Text preview for : sony_MDS-M9_service_manual.pdf part of Sony MDS-M9 MDS-M9 MiniDisc Deck part of DHC-MD7 Service Manual



Back to : sony_MDS-M9_service_manua | Home

MDS-M9
SERVICE MANUAL
US Model Canadian Model E Model Tourist Model

MDS-M9 is the Mini disc deck section in DHC-MD7.

US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism MD Mechanism Type Base Unit Type Optical Pick-up Type

MDS-302 MDM-2B MBU-2 KMS-210A/J-N

SPECIFICATIONS

MiNi DiSC DECK
MICROFILM

--1--

TABLE OF CONTENTS 1. SERVICE NOTE ........................................................... 4 2. GENERAL .................................................................... 6 3. TEST MODE
3-1. 3-2. 3-3. 3-4. Setting the Test Mode ......................................................... 11 Exiting the Test Mode ........................................................ 11 Basic Operations of the Test Mode .................................... 11 Selecting the Test Mode ..................................................... 11 3-4-1. Operating the Continuous Playback Mode .............. 11 3-4-2. Operating the Continuous Recording Mode ............ 12 3-4-3. Non-Volatile Memory Mode .................................... 12 Functions of Other buttons ................................................. 12 Test Mode Displays ............................................................ 13 Meanings of Other Displays ............................................... 13 Precautions for Use of Test Mode ...................................... 13

MODEL IDENTIFICATION -- BACK PANEL --

Parts No.

PARTS No. US,Canadian model Other model 4-977-679-3 4-977-679-2

3-5. 3-6. 3-7. 3-8.

4. ELECTRICAL ADJUSTMENTS
4-1. 4-2. 4-3. 4-4. 4-5. 4-6. 4-7. 4-8. 4-9. Precautions for Checking Laser Diode Emission ............... 14 Precautions for Use of optical pickup (KMS-210A) .......... 14 Precautions for Adjustments ............................................... 14 Creating MO Continuously Recorded Disc ........................ 14 Temperature Compensation Offset Adjustment ................. 15 Laser Power Adjustment ..................................................... 15 Traverse Adjustment ........................................................... 16 Focus Bias Adjustment ....................................................... 17 Error Rate Check ................................................................ 17 4-9-1. CD Error Rate Check ............................................... 17 4-9-2. MO Error Rate Check .............................................. 17 4-10. Focus Bias Check ............................................................... 17 4-11. Adjusting Points and Connecting Points ............................ 18

5. DIAGRAMS
5-1. 5-2. 5-3. 5-4. 5-5. 5-6. 5-7. 5-8. 5-9. 5-10. 5-11. 5-12. Circuit Boards Location ..................................................... 19 Block Diagrams .................................................................. 20 Printed Wiring Board -- RF Section -- ............................. 26 Schematic Diagram -- RF Section -- ............................... 29 Schematic Diagram -- Digital Section -- ......................... 33 Printed Wiring Board -- Digital Section -- ...................... 37 Printed Wiring Board -- Power Section -- ....................... 41 Schematic Diagram -- Power Section -- .......................... 42 Schematic Diagram -- Panel Section -- ............................ 45 Printed Wiring Board -- Panel Section -- ......................... 45 IC Block Diagrams -- Digital Section -- .......................... 48 IC Pin Functions · IC101 RF Amplifier (CXA1981AR) ............................... 49 · IC121 Digital signal processor, digital servo processor, EFM/ACIRC encoder/decoder (CXD2535BR) ............... 50 · IC201 System Control (M37610MD-067FP) ................. 53 · IC271 Shock-Proof Memory Controller, ATRAC Encoder/ Decoder (CXD2536R) ....................... 56 · IC301 A/D Converter (CXD8566M) ............................... 58 · IC701 Display control, LED drive .................................. 59

6. EXPLODED VIEWS
6-1. 6-2. 6-3. 6-4. Front Panel Section ............................................................ 60 Chassis Section ................................................................... 61 Mechanism Deck Section (MDM-2B) ............................... 62 Base Unit Section (MBU-2) ............................................... 63

7. ELECTRICAL ADJUSTMENT ................................. 64 --2--

Laser component in this product is capable of emitting radiation exceeding the limit for Class 1. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. This caution label is located inside the unit.

SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. LEAKAGE The AC leakage from any exposed metal part to earth Ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microampers). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers' instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The "limit" indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC range are suitable. (See Fig. A)

CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing · Keep the temperature of soldering iron around 270°C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering.

To Exposed Metal Parts on Set

0.15µF

1.5k

AC voltmeter (0.75V)

Earth Ground

Fig. A. Using an AC voltmeter to check AC leakage.

SAFETY-RELATED COMPONENT WARNING !! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ!! LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

--3--

SECTION 1 SERVICE NOTE
Power Supply During Servicing This unit is not able to operate on its own because it does not have its own power supply. During servicing, connect to other units. Power is supplied when the SYSTEM POWER button of the amplifier (TA-M7) is turned ON. If the other units are not available, use a service box (PFJ-1) and jig (J-2501-078-A). In this case, press the p button, r REC button, and DISPLAY button simultaneously to turn on the power. [Connection Diagram]

SERVICE BOX (PFJ-1) JIG (J-2501-078-A) POWER SW Unit (MDS-M9)

FH-E939, 838, 937 CDP/TC

CN904 17P Connector cable 17P (Provided with PFJ-1)

CN902 7P Connector cable 7P (Provided with unit)

CN101 SYSTEM CONTROL

KEY/Fluorescent Indicator Tube/LED Check Mode Press the p button, r REC button, and SHUFFLE button simultaneously to turn on the key/Fluorescent indicator tube/LED check mode. During the check mode, press any button or rotate the SELECTOR knob to proceed onto the next step. 1 LED all-lit mode (displays KEY/FL/LED.) 2 Fluorescent indicator tube all lit mode 3 CHECK 1 lit mode (partially lit) 4 CHECK 2 lit mode (Partially lit) 5 Key check mode (Displays JOG = 0, KEY = 0) Note 1) When the three buttons pressed to enter the LED all lit mode are released together, the LED all lit mode will remain on. When released separately, the next Fluorescent indicator tube all lit mode will be set. Note 2) The LEDs will light up sequentially after the all lit mode each time the buttons are pressed or the SELECTOR knob is rotated. Note 3) In the key check mode, each time the button is pressed, the "KEY =" number on the Fluorescent indicator tube increases. When the SELECTOR knob is rotated, the "JOG =" number on the Fluorescent indicator tube increases in the + direction and decreases in the = direction. Note 4) To end the above mode, remove the amplifier AC plug or turn OFF the PFJ-1 POWER switch. Input Switching by Multiple Pressing The desired input switching can be performed by the following multiple pressing. p button, r REC button, and REPEAT button : Digital-in p button, r REC button, and CONTINUE button : Analog-in N N N N

--4--

Forced Reset Switch The switch on the power board (S101) is the forced reset switch for IC201. Press it for about one second after turning on the power after disassembling and assembling the unit again.

· Parts Location [POWER BOARD] -- Component side --

CN104 CN102

S101

Note for replacement of IC121 and IC171 on the BD board IC121 on the BD board of this unit has modified from CXD2535AR to CXD2535BR due to an improvement. Some contents of nonvolatile memory in the IC171 are modified according to this modification. When replacing IC171, the previous contents for IC121 (CXD2535AR) are written as an initialized value from the system control IC. (When replacing IC171, turn the power on once to write an initialized value.) In case the IC171 on the BD board is replaced, which uses CXD2535BR to IC121, see the following procedure to rewrite the contents of nonvolatile memory. As for replacement of IC121, use CXD2535BR to rewrite the contents of IC171. Table Comparison between CXD2535AR and CXD2535BR regarding the contents of nonvolatile memory
ADDRESS 15 2D 2E CXD2535AR 90 33 33 CXD2535BR 93 1A 1A

How to rewrite the nonvolatile memory 1 Press the p button, EDIT/NO button and REPEAT button at the same time when the POWER of set is turned OFF (Be sure to release the three buttons at the same time.) 2 Turn the SELECTOR knob to be displayed "EEP MODE". If the ENTER/YES button is pressed, the display will be changed to "EEP @@". ( : Address, @@ : data) 3 Turn the SELECTOR knob to be displayed "EEP 15 @@". 4 If the SELECTOR knob is pressed, "EEP 15 @@ > @@" will be displayed. So turn the SELECTOR knob to be displayed "EEP 15 @@ > 93". 5 Pressing the ENTER/YES button, "Complete!" is displayed once, "EEP 15 93" is displayed, and the data is rewritten. 6 As for the address 2D and 2E, rewrite each of them to "1A" following the steps 3 to 5 as well. 7 After the all modification are complete, press the EDIT/NO button to be displayed "EEP MODE". 8 Press the REPEAT button. In case a disc is unloaded, the display "STANDBY" will be go on and off, then unplug the power plug. In case a disc is loaded, "STANDBY" is displayed once and the disc is ejected. After that, unplug the power plug from an outlet to be out from the EEP rewriting mode. Note : The modification in the contents of nonvolatile memory is not reflected if the power is not turned off once.

--5--

SECTION 2 GENERAL

This section is extracted from instruction manual.

--6--

--7--

--8--

--9--

-- 10 --

SECTION 3 TEST MODE
3-1. Setting the Test Mode
Press the STOP (p) button, EDIT/NO (NO) button and REPEAT button at the same time when the POWER of set is turned OFF. (Be sure to release the Three buttons at the same time.)

3-2. Exiting the Test Mode
1. Press the REPEAT button. 2. In case a disc is unloaded, the display "STANDBY" will go on and off. In case a disc is loaded, the "STANDBY" is displayed once and the disc is ejected. 3. Unplug the power plug from an outlet.

3-3. Basic Operations of the Test Mode
All operations are performed using the SELECTOR knob, ENTER/YES (YES) button, and EDIT/NO (NO) button. The functions of these buttons are as follows.
Function SELECTOR knob YES button NO button Contents Changes parameters and modes Proceeds onto the next step. Finalizes input. Returns to previous step. Stops operations.

3-4. Selecting the Test Mode
Eight test modes are selected by turning the SELECTOR knob.
Display TEMP ADJUST LDPWR ADJUST EFBAL ADJUST FBIAS ADJUST FBIAS CHECK CPLAY MODE CREC MODE EEP MODE Contents Temperature compensation offset adjustment Laser power adjustment Traverse adjustment Focus bias adjustment Focus bias check Continuous playback mode Continuous recording mode Non-volatile memory mode

For detailed description of each adjustment mode, refer to 4. Electrical Adjustments. If a different adjustment mode has been selected by mistake, press the NO button to exit from it. The EEP MODE is not used in servicing. If set accidentally, press the NO button immediately to exit it. 3-4-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode 1 Set the disc in the unit (either MO or CD). 2 Rotate the SELECTOR knob and display "CPLAY MODE". 3 Press the YES button to change the display to "CPLAY IN". 4 When access completes, the display changes to "C1 = AD = ". Note : The " " displayed are arbitrary numbers. 2. Changing the parts to be played back 1 Press the YES button during continuous playback to change the display to "CPLAY MID", "CPLAY OUT". When pressed another time, the parts to be played back can be changed. 2 When access completes, the display changes to "C1 = AD = ". Note : The " " displayed are arbitrary numbers. 3. Ending the continuous playback mode 1 Press the NO button. The display will change to "CPLAY MODE". 2 Press the EJECT button and remove the disc. Note 1 : The playback start addresses for IN, MID, and OUT are as follows. IN 40h cluster MID 300h cluster OUT 700h cluster

-- 11 --

3-4-2. Operating the Continuous Recording Mode 1. Entering the continuous recording mode 1 Set the MO disc in the unit. 2 Rotate the SELECTOR knob and display "CREC MODE". 3 Press the YES button to change the display to "CREC IN". 4 When access completes, the display changes to "CREC ( )" and REC lights up. Note : The " " displayed are arbitrary numbers. 2. Changing the parts to be recorded 1 When the YES button is pressed during continuous recording, the display changes to "CREC MID", "CREC OUT" and REC goes off. When pressed another time, the parts to be recorded can be changed. 2 When access completes, the display changes to "CREC ( )" and REC lights up. Note : The " " displayed are arbitrary numbers. 3. Ending the continuous recording mode 1 Press the NO button. The display changes to "CREC MODE" and REC goes off. 2 Press the EJECT button and remove the disc. Note 1 : The recording start addresses for IN, MID, and OUT are as follows. IN 40h cluster MID 300h cluster OUT 700h cluster Note 2 : The NO button can be used to stop recording anytime. Note 3 : During the test mode, the erasing-protection tab will not be detected. Therefore be careful not to set the continuous recording mode when a disc not to be erased is set in the unit. Note 4 : Do not perform continuous recording for long periods of time above 5 minutes. Note 5 : During continuous recording, be careful not to apply vibration. 3-4-3. Non-Volatile Memory Mode This mode reads and writes the contents of the non-volatile memory. It is not used in servicing. If set accidentally, press the NO button immediately to exit it.

3-5. Functions of Other buttons
Function P ¢ p ) 0 r REC SCROLL PROGRAM DISPLAY Contents Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF. Stops continuous playback and continuous recording. The sled moves to the outer circumference only when this is pressed. The sled moves to the inner circumference only when this is pressed. Turns recording ON/OFF when pressed during continuous playback. Switches between the pit and groove modes when pressed. Switches the spindle servo mode (CLVS and A). Switches the display when pressed.Returns to previous step. Stops operations.

Note : The erasing-protection tab is not detected during the test mode. Recording will start regardless of the position of the erasing-protection tab when the r REC button is pressed.

-- 12 --

3-6. Test Mode Displays
Each time the DISPLAY button is pressed, the display changes in the following order. MODE displaynError rate displaynAddress display 1. MODE display Displays "TEMP ADJUST", "CPLAY MODE", etc. 2. Error rate display Error rates are displayed as follows. C1 = AD = C1 = : Indicates C1 error AD = : Indicates ADER 3. Address display Addresses are displayed as follows. s= (MO pit and CD) h= h= a= (MO groove) h = : Header address s = : SUBQ address a = : ADIP address is displayed when the address cannot be read.

3-7. Meanings of Other Displays
Display ¢ P REC CD SYNC TRACK DISC LEVEL SYNC STEP SHUFFLE Contents Light During continuous playback Tracking servo OFF Recording mode ON CLV LOCK Pit High reflection CLV-S ABCD adjustment completed Focus auto gain successful Tracking auto gain successful Focus auto gain successful Tracking auto gain failed STOP Tracking servo ON Recording mode OFF CLV UNLOCK Groove Low reflection CLV-A Off Blinking

3-8. Precautions for Use of Test Mode
1 As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it. Even if the EJECT button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating. Therefore, it will be ejected while rotating. Always press the NO button first before pressing the EJECT button. 2 The erasing-protection tab is not detected in the test mode. Therefore, when modes which output the recording laser power such as continuous recording mode and traverse adjustment mode, etc. are set, the recorded contents will be erased regardless of the position of the tab. When using a disc that is not to be erased in the test mode, be careful not to enter the continuous recording mode and traverse adjustment mode.

-- 13 --

SECTION 4 ELECTRICAL ADJUSTMENTS
4-1. Precautions for Checking Laser Diode Emission
To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eye-sight.

4-3. Precautions for Adjustments
1) When replacing the following parts, perform the adjustments and checks with ® in the order shown in the following table.
Optical Pick-up 1. Temperature compensation offset adjustment 2. Laser power adjustment 3. Traverse adjustment 4. Focus bias adjustment 5. Error rate check BD Board IC171 D101 ® IC101, IC121, IC191

4-2. Precautions for Use of optical pick-up (KMS-210A)
As the laser diode in the optical pick-up is easily damaged by static electricity, solder the laser tap of the flexible board when using it. Before disconnecting the connector, desolder first. Before connecting the connector, be careful not to remove the solder. Also take adequate measures to prevent damage by static electricity. Handle the flexible board with care as it breaks easily.

G

®

®

® ® ® ®

G ® ® ®

G G G G

® ® ® ®

laser tap

Optical pick-up flexible board

2) Set the test mode when performing adjustments. After completing the adjustments, exit the test mode. 3) Perform the adjustments in the order shown. 4) Use the following tools and measuring devices. · MD test disc (CD) TDYS-1 (Parts No. 4-963-646-01) · Laser power meter LPM-8001 (Parts No. J-2501-046-A) · Oscilloscope · Digital voltmeter · Thermometer 5) When observing several signals on the oscilloscope, etc., make sure that VC and Ground do not connect inside the oscilloscope. (VC and Ground will become short-circuited.)

4-4. Creating MO Continuously Recorded Disc
* This disc is used in focus bias adjustment and error rate check. The following describes how to create a MO continuous recording disc. 1. Insert a MO disc (blank disc) commercially available. 2. Rotate the SELECTOR knob and display "CREC MODE". 3. Press the YES button and display "CREC IN". 4. Press the YES button again to display "CREC MID". "CREC (0300)" is displayed for a moment and recording starts. 5. Complete recording within 5 minutes. 6. Press the NO button and stop recording . 7. Press the EJECT button and remove the MO disc. The above has been how to create a continuous recording data for the focus bias adjustment and error rate check. Note : · Be careful not to apply vibration during continuous recording.

-- 14 --

4-5. Temperature Compensation Offset Adjustment
Save the temperature data at that time in the non-volatile memory as 25 °C reference data. Note : 1. Usually, do not perform this adjustment. 2. Perform this adjustment in an ambient temperature of 22 °C to 28 °C. Perform it immediately after the power is turned on when the internal temperature of the unit is the same as the ambient temperature. 3. When D101 has been replaced, perform this adjustment after the temperature of this part has become the ambient temperature. Adjusting Method : 1. Rotate the SELECTOR knob and display "TEMP ADJUST". 2. Press the YES button and select the "TEMP ADJUST" mode. 3. "TEMP = " and the current temperature data will be displayed. 4. To save the data, press the YES button. When not saving the data, press the NO button. 5. When the YES button is pressed, "TEMP = SAVE" will be displayed for some time, followed by "TEMP ADJUST". When the NO button is pressed, "TEMP ADJUST" will be displayed. Specifications : The "TEMP = " should be within "E0 - EF", "F0 - FF", "00 - 0F", "10 - 1F" and "20 - 2F".

4-6.

Laser Power Adjustment
Laser power meter

Connection :

Optical pick-up objective lens Digital voltmeter

BD board TP (I + 5V) TP (IOP)

Adjusting Method : 1. Set the laser power meter on the objective lens of the optical pick-up. (When it cannot be set properly, press the 0 button or ) button and move the optical pickup.) Connect the digital volt meter to TP (IOP) and TP (I+5V). 2. Rotate the SELECTOR knob and display "LDPWR ADJUST". (Laser power : For adjustment) 3. Press the YES button twice and display "LD $ 4B = 3.5 mW". 4. Adjust RV102 of the BD board so that the reading of the laser power meter becomes 3.4 +0.1 mW. ­0 5. Press the YES button and display "LD $ 96 = 7.0 mW". (Laser power : MO writing) 6. Check that the laser power meter and digital voltmeter readings satisfy the specified value. Specification : Laser power meter reading : 7.0 ± 0.3 mW Digital voltmeter reading : Optical pick-up displayed value ± 10% (Optical pick-up label)
KMS

210A 27X40 B0825
Iop = 82.5 mA in this case Iop (mA) = Digital voltmeter reading (mV)/1 ()

7. Press the YES button and display "LD $ 0F = 0.7 mW". (Laser power : MO reading) 8. Check that the laser power meter at this time satisfies the specified value. Specification : Laser power meter reading : 0.70 ± 0.1 mW 9. Press the NO button and display "LDPWR ADJUST', and stop laser emission. (The NO button is effective at all times to stop the laser emission.)

N

-- 15 --

4-7. Traverse Adjustment
Connection :
Oscilloscope

11. Rotate the SELECTOR knob until the waveform of the oscilloscope moves closer to the specified value. In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (Traverse Waveform)
A

BD board TP (TEO) TP (VC)

Adjusting method : 1. Connect an oscilloscope to TP (TEO) and TP (VC) of the BD board. 2. Load a MO disc (any available on the market). 3. Press the 0 button or ) button and move the optical pick-up outside the pit. 4. Rotate the SELECTOR knob and display "EFBAL ADJUST". 5. Press the YES button and display "EFBAL MO-W". (Laser power WRITE power/Focus servo ON/tracking servo OFF/ spindle (S) servo ON) 6. Adjust RV101 of the BD board so that the waveform of the oscilloscope becomes the specified value. (MO groove write power traverse adjustment) (Traverse Waveform)

VC B Specification A = B

A VC B Specification A = B

12. Press the YES button, display "EFB = SAVE" for a moment and save the adjustment results in the non-volatile memory. Next "EFBAL CD" is displayed. The disc stops rotating automatically. 13. Press the EJECT button and remove the MO disc. 14. Load the test disc TDYS-1. 15. Press the YES button and display "EFB = CD". Servo is imposed automatically. 16. Rotate the SELECTOR knob so that the waveform of the oscilloscope moves closer to the specified value. In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (Traverse Waveform)

A

7. Press the YES button and display "EFB = $ MO-R". (Laser power : MO reading) 8. Rotate the SELECTOR knob so that the waveform of the oscilloscope becomes the specified value. (When the SELECTOR knob is rotated, the of "EFB- " changes and the waveform changes.) In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (MO groove read power traverse adjustment) (Traverse Waveform)
A VC B Specification A = B

VC B Specification A = B

17. Press the YES button, display "EFB = $ SAVE" for a moment and save the adjustment results in the non-volatile memory. Next "EFBAL ADJUST" is displayed. 18. Press the EJECT button and remove the test disc TDYS-1. Note 1 : Data will be erased during MO reading if a recorded disc is used in this adjustment. Note 2 : If the traverse waveform is not clear, connect the oscilloscope as shown in the following figure so that it can be seen more clearly.
Oscilloscope

9. Press the YES button, display "EFB = $ SAVE" for a moment and save the adjustment results in the non-volatile memory. Next "EFBAL MO-P" is displayed. 10. Press the YES button and display "EFB = $ MO-P". The optical pickup moves to the pit area automatically and servo is imposed.

330 k TP (TEO) TP (VC) 10pF

-- 16 --

4-8. Focus Bias Adjustment
Adjusting Method : 1. Load a continuously recorded disc (Refer to "4-4. Creating MO Continuously Recorded Disc".). 2. Rotate the SELECTOR knob and display "CPLAY MODE". 3. Press the YES button twice and display "CPLAY MID". 4. Press the NO button when "C1 = AD = " is displayed. 5. Rotate the SELECTOR knob and display "FBIAS ADJUST". 6. Press the YES button and display " / a = ". The first four digits indicate the C1 error rate, the two digits after [/] indicate ADER, and the 2 digits after [a =] indicate the focus bias value. 7. Rotate the SELECTOR knob in the clockwise direction and find the focus bias value at which the C1 error rate becomes 220. 8. Press the YES button and display " / b = ". 9. Rotate the SELECTOR knob in the counterclockwise direction and find the focus bias value at which the C1 error rate becomes 220. 10. Press the YES button and display " / c = ". 11. Check that the C1 error rate is below 50 and ADER is 00. Then press the YES button. 12. If the "( )" in " ( )" is above 20, press the YES button. If below 20, press the NO button and repeat the adjustment from step 2 again. 13. Press the NO button and press the EJECT button to remove the continuously recorded disc. Note 1 : The relation between the C1 error and focus bias is as shown in the following figure. Find points a and b in the following figure using the above adjustment. The focal point position C is automatically calculated from points a and b. Note 2 : As the C1 error rate changes, perform the adjustment using the average vale.
C1 error 220

4-9. Error Rate Check
4-9-1. CD Error Rate Check Checking Method : 1. Load a test disc TDYS-1. 2. Rotate the SELECTOR knob and display "CPLAY MODE". 3. Press the YES button twice and display "CPLAY MID". 4. "C1 = AD = " is displayed. 5. Check that the C1 error rate is below 20. 6. Press the NO button, stop playback, press the EJECT button, and remove the test disc. 4-9-2. MO Error Rate Check Checking Method : 1. Load a continuously recorded disc (Refer to "4-4. Creating MO Continuously Recorded Disc".). 2. Rotate the SELECTOR knob and display "CPLAY MODE". 3. Press the YES button twice and display "CPLAY MID". 4. "C1 = AD = " is displayed. 5. If the C1 error rate is below 50, check that ADER is 00. 6. Press the NO button, stop playback, press the EJECT button, and remove the continuously recorded disc.

4-10. Focus Bias Check
Change the focus bias and check the focus tolerance amount. Checking Method : 1. Load a continuously recorded disc (Refer to "4-4. Creating MO Continuously Recorded Disc".). 2. Rotate the SELECTOR knob and display "CPLAY MODE". 3. Press the YES button twice and display "CPLAY MID". 4. Press the NO button when "C1 = AD = " is displayed. 5. Rotate the SELECTOR knob and display "FBIAS CHECK". / c = ". 6. Press the YES button and display " The first four digits indicate the C1 error rate, the two digits after [/] indicate ADER, and the 2 digits after [c =] indicate the focus bias value. Check that the C1 error is below 50 and ADER is 00. 7. Press the YES button and display " / b = ". Check that the C1 error is not below 220 and ADER is not above 00 every time. 8. Press the YES button and display " / a = ". Check that the C1 error is not below 220 and ADER is not above 00 every time. 9. Press the NO button, next press the EJECT button, and remove the continuously recorded disc. Note 1 : If the C1 error and ADER are above 00 at points a or b, the focus bias adjustment may not have been carried out properly. Adjust perform the beginning again.

Focus bias value (F. BIAS) b c a

-- 17 --

4-11. Adjusting Points and Connecting Points
[BD BOARD] (Component side)

D101

IC191

[BD BOARD] (Conductor side)

(IOP) (I + 5V)

IC101 RV101 IC171 RV102 (VC)

(TEO)

IC121

-- 18 --

5-12. IC PIN FUNCTION
· IC101 RF Amplifier (CXA1981AR) Pin No. 1 2 to 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47, 48 VC A to F FI FO PD APCREF TEMPI GND AAPC DAPC TEMPR XRST SWDT SCLK XLAT VREF TENV THLD VCC TFIL TE TLB CSLED SE ADFM ADIN ADAGC ADFG AUX FE FLB ABCD BOTM PEAK RFAGC RF ISET AGCT RFO MORFI MORFO I, J Pin Name I/O O I I O I I I -- O O O I I I I O O I -- I O I I O O I I O O O I O O O I O I I O I O I Function Middle point voltage (2.5V) generation output pin Input of signal from optical block detector F operation amplifier input F operation amplifier output Front monitor. Connected to photo diode Input pin for setting laser power Temperature sensor connection pin Ground pin APC LD amplifier output pin Not used (Opened) Temperature sensor reference voltage output pin Input of reset signal from system controller (IC201). Reset: "L" Input of write data signal from system controller (IC201) Input of clock signal from system controller (IC201) Input of latch signal from system controller (IC201) Reference voltage output. Not used in this unit (Opened) Not used (Opened) Not used (Connected to VC) Power supply pin (+5V) Not used (Opened) Output of tracking error signal to CXD2535BR (IC121) Input pin of add signal to tracking error Sled error LPF pin Output of sled error signal to CXD2535BR (IC121) ADIP FM signal output Inputs ADIP FM signal by AC coupling Connection pin of external capacitor for ADIP AGC Output of ADIP dual FM signal to CXD2535BR (IC121) (22.05 kHz ± 1 kHz) Output of auxiliary signal to CXD2535BR (IC121) Output of focus error signal to CXD2535BR (IC121) Not used (Opened) Output of light amount signal to CXD2535BR (IC121) Output of bottom hold signal of light amount signal to CXD2535BR (IC121) Output of peak hold signal of light amount signal to CXD2535BR (IC121) Connection pin of RF AGC circuit external capacitor Output of playback EFM RF signal to CXD2535BR (IC121) Internal circuit constant setting pin. 22 kHz BPF center frequency (Fixed at "H") Inputs RF signal by AC coupling Output pin of RF signal Inputs MO RF signal by AC coupling Output pin of MO RF signal Input of signal from optical block detector

-- 49 --

· IC121 Digital signal processor, digital servo processor, EFM/ACIRC encoder/decoder (CXD2535BR) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 FS256 FOK DFCT SHCK SHCKEN WRPWR DIRC SWDT SCLK XLAT SRDT SENS ADSY SQSY DQSY XRST TEST4 CLVSCK TEST5 DOUT DIN FMCK ADER REC DVSS DOVF DODT DIDT DTI DTO C2PO BCK LRCK XTAO XTAI MCLK XBCK DVDD WDCK RFCK Pin Name I/O O O O O I I I I I I O O (3) O O O I I O I O I O O I -- I I O I O (3) O O O O I O O -- O O Function 11.2896 MHz clock output (MCLK). Not used in this unit (Opened) Output of FOK signal to system controller (IC201) Outputs "H" when focus is set Outputs defect ON/OFF switching signal to CXD2536R (IC271) Outputs track jump detection signal to system controller (IC201) Track jump detection enable input. Not used in this unit. (Fixed at "H") Inputs laser power switching signal from system controller (IC201) Not used in this unit. (Fixed at "H") Inputs write data signal from system controller (IC201) Inputs serial clock signal from system controller (IC201) Inputs serial latch signal from system controller (IC201) Outputs write data signal to system controller (IC201) Outputs internal status (SENSE) to system controller (IC201) ADIP sync signal output. Not used in this unit (Opened) Output subcode Q sync (SCOR) to system controller (IC201) Outputs "L" every 13.3 msec. Outputs "H" at all most mostly Outputs digital-in U-bit CD format subcode Q sync (SCOR) to system controller (IC201). Outputs "L" every 13.3 msec Outputs "H" at all most mostly Inputs reset signal from system controller (IC201). Reset: "L" Test input (Fixed at "L") Not used in this unit (Opened) Test input (Fixed at "L") Digital audio signal output pin (For optical output) Not used in this unit Digital audio signal input pin (For optical input) ADIP FM demodulation clock signal output ADIP CRC flag output. "H":Error Input of recording/playback switching signal from system controller (IC201) Recording: "H". Playback: "L" Ground pin (Digital) Digital audio output validity flag input pin. (Fixed at "L") Input pin of 16bit data for digital audio output from CXD2536R (IC271) Output pin of 16bit data for digital audio input to CXD2536R (IC271) Input pin of recording audio data signal from CXD2536R (IC271) Output pin of playback audio data signal to CXD2536R (IC271) Outputs C2PO signal to CXD2536R (IC271). (Output indicating data error status) Playback: C2PO ("H"). Digital recording: D.In-Vflag. Analog recording: "L" Outputs bit clock signal (2.8224 MHz) to CXD2536R (IC271) (MCLK) Outputs L/R clock signal (44.1 kHz) to CXD2536R (IC271) (MCLK) System clock (512 fs=22.5792 MHz) signal output. Not used in this unit (Opened) Input of system clock (512fs=22.5792 MHz) signal input from CXD2536R (IC271) MCLK clock (22.5792 MHz) signal output Pin 32 (BCK) inversion output Power supply pin (+5V) (Digital) WDCK clock (88.2 kHz) signal output (MCL) RFCK clock (7.35 kHz) signal output (MCLK)

-- 50 --

Pin No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

Pin Name WFCK GTOP GFS XPLCK EFMO RAOF MVCI TEST2 DIPD DVSS DICV DIFI DIFO AVDD ASYO ASYI BIAS RFI AVSS CLTV PCO FILI FILO PEAK BOTM ABCD FE AUX1 VC ADIO TEST3 AVDD ADRT ADRB AVSS SE TE AUX2 DCHG APC

I/O O O O O O O I I O (3) -- I (A) I (A) -- O I (A) I (A) I (A) -- I (A) O (3) I (A) O (3) I (A) I (A) I (A) I (A) I (A) I (A) I (A) -- I (A) I (A) -- I (A) I (A) I (A) I (A) I (A) WFCK clock (7.35 kHz) signal output

Function (Playback: EFM decoder PLL. Recording: EFM encoder PLL) "H": Opens playback EFM frame sync protection window Not used in this unit (Opened) "H": Playback EFM sync and interpolation protection timing match Not used in this unit (Opened) EFM decoder PLL clock output (98 fs=4.3218 MHz) Falling edge and EFM signal edge match EFM signal output (Recording) Internal RAM overflow detection signal output (decoder monitor output) Outputs "H" when the disc rotation exceeds ± 4F jitter margin during playback Not used in this unit (Opened) Digital-in PLL oscillation input. Not used in this unit (Opened) Test pin (Fixed at "L") Digital-in PLL phase comparison output Internal VCO: (Frequency: Low n "H"). External VCO: (Frequency: Low n "L") Ground pin (Digital) Digital-in PLL internal VCO control voltage input Filter input when digital-in PLL internal VCO is used Power supply pin (+5V) (Analog ) Playback EFM full-swing output (L=VSS, H=VDD) Playback EFM asymmetry comparate voltage input Playback EFM asymmetry circuit constant current input Inputs playback EFM RF signal from CXA1981AR (IC101) Ground pin (Analog ) Decoder PLL master clock PLL VCO control voltage input Decoder PLL master clock PLL phase comparison output Decoder PLL master clock PLL filter input Decoder PLL master clock PLL filter output Inputs peak hold signal for light amount signal from CXA1981AR (IC101) Inputs bottom hold signal for light amount signal from CXA1981AR (IC101) Light amount signal from CXA1981AR (IC101) Input of focus error signal from CXA1981AR (IC101) Input of auxiliary signal from CXA1981AR (IC101) Input of middle point voltage (+2.5V) from CXA1981AR (IC101) Test input (Fixed at "L") Power supply pin (+5V) (Analog) A/D converter operation range upper limit voltage input (Fixed at "H") A/D converter operation range lower limit voltage input (Fixed at "L") Ground pin (Analog) Input of sled error signal from CXA1981AR (IC101) Input of tracking error signal from CXD1981AR (IC101) Auxiliary input pin 2. Not used in this unit. (Fixed at "L") Connected to Ground pin Laser APC input. Not used in this unit (Fixed at "L")

O (A) Filter output when digital-in PLL internal VCO is used

O (A) A/D converter input signal monitor output

-- 51 --

Pin No. 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

Pin Name TEST1 ADFG TS25 LDDR TRDR TFDR FFDR DVDD FRDR FS4 SRDR SFDR SPRD SPFD DCLO DCLI XDCL OFTRK COUT DVSS

I/O I I I O O O O -- O O O O O O O I O O O --

Function Test pin (Fixed at "L") Input of ADIP dual FM signal from CXA1981AR (IC101) (22.05 kHz ± 1 kHz) (TTL Schmidt input) Test pin (Fixed at "L") Laser APC signal output Tracking servo drive signal output (­) Tracking servo drive signal output (+) Focus servo drive signal output (+) Power supply pin (+5V) (Digital) Focus servo drive signal output (­) 176.4 kHz clock signal output (MCLK) Sled servo drive signal output (­) Sled servo drive signal output (+) Spindle servo drive signal output (­) Spindle servo drive signal output (+) Not used in this unit (Opened) Not used in this unit (Fixed at "H") Not used in this unit (Opened) Off track signal output Traverse count signal output Ground pin (Digital)

* (3) of I/O is 3-state output, (A) is analog output.

-- 52 --

· IC201 System Control (M37610MD-067FP) Pin No. 1 2 3 4 to 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26, 27 28 29 30 31 32 33 34 35 36 37, 38 39 40 41 42 43 44 45 to 47 Pin Name C.SET1 C.SET2 KEY3 KEY 2 to KEY 0 -- XINT SENS SHCK AUBK S/A BEEP SW REC/OTHER BEEP F. BIAS/C2 GND (CNVSS) SYSTEM RST XIN T XOUT T GND XIN XOUT +5V STB MIC SW BUS OUT -- LED 2 LED 1 LED 0 C1 ADER NC MASTER/SLAVE JOG 1, JOG 0 SDA SCL POWER DOWN REMOCON SQSY DQSY -- I/O I I I I I I I I I O I O O I -- I I O -- I O -- O I O O O O O I I I I I I/O O I I I I O Data signal input/output with the backup memory (IC171) Clock signal output to the backup memory (IC171) Power down detection input. Normally, "H" is input. Remote control signal input. Not used in this unit (Fixed at "H") ATP addressing or subcode Q sync (SCOR) input from CXD2535BR (IC121). "L" is input every 13.3 msec. Normally "H". Digital-in U-bit CD format subcode Q sync (SCOR) input from CXD2535BR (IC121). "L" is input every 13.3 msec. Normally "H". Not used in this unit (Fixed at "L") Not used in this unit (Fixed at "L") Not used in this unit (Fixed at "H") Not used in this unit (Fixed at "L") Interrupt status input from CXD2536R (IC221) Internal status (SENSE) input from CXD2535BR (IC121) Track jump signal input from CXD2535BR (IC121) Not used in this unit (Fixed at "L") Not used in this unit (Opened) Not used in this unit (Fixed at "L") Not used in this unit (Opened) Not used in this unit (Fixed at "L") Ground pin System reset signal input "L" is input for several hundreds msec after the power supply activation, then it is changed to "H". Not used in this unit. (Fixed at "L") Ground pin Clock input (8MHz) Clock output (8MHz) Power supply (+5V) Strobe signal output to the power supply circuit. ON: "H", standby: "L". Not used in this unit (Fixed at "L") Function

-- 53 --

Pin No. 48 49 50 51 52 53 54 55 56 57 58 59, 60 61 62 63 64 65 66 67 68 69 70 71, 72

Pin Name -- SCLK SWDT SRDT -- FLCLK FLDATA FLCS -- TEST 0 TEST 1 -- AFAST SLOW LDON PIT/GRV FOK MON LOCK WRPWR DIG RST DA RST SCMD 1, SCMD 0

I/O I O O I I O O O I I O I I I O I I I O O O O O Not used in this unit (Fixed at "L") Not used in this unit (Fixed at "L") Not used in this unit (Fixed at "L") Clock signal output to the serial bus

Function

Write data signal output to the serial bus Read data signal input from the serial bus

Reset signal output to CXD2536R (IC221)

Laser ON/OFF control output. "H": Laser ON. Pit/groove detection input. "H" is input for the playback-only disc or TOC area. Not used in this unit. (Fixed at "L") FOK signal input from CXD2535BR (IC121) "H" is input when focusing. Not used in this unit. (Pull down when input.) Not used in this unit. (Pull down when output.) Laser power switching signal output to the optical block and CXD2535BR (IC121) Reset signal output to CXD1981AR (IC101) and CXD2535BR (IC121) and motor driver (IC151). Reset: "L". Reset signal output to the D/A converter (IC341), A/D converter (IC301). Reset: "L". Serial command control mode output to CXD2536R (IC221) Laser modulation switching signal output Playback power: "L", stop: "H". Recording power: 0.5S

73

MOD

O

2S

74 75 76 77 78 79 80

REC/PB WR/MN SCTX XLATCH DALAT DF MUTE AMUTE

O O O O O O O

Record/playback switching signal output to CXD2535BR (IC121). Recording: "H", playback: "L". Write/monitor mode switching signal output to CXD2536R (IC221) Write data transfer timing output to CXD2536R (IC221) Also serves as ON/OFF output of the magnetic head. Latch signal output to the serial bus Latch signal output to the D/A converter (IC341). Not used in this unit (Fixed at "L") Line out muting output

-- 54 --

Pin No. 81 82 83 84 85 86 87 88 89 90 91 92 93 to 96 97 98 99 100 LDIN

Pin Name LDOUT REC-SW PLAYSW OUTSW PROTECT REFLECT LIMIT IN 232C.4 232C.3 232C.2 232C.1 -- AVSS (AGND) VREF (+5V) TIMER REC/PLAY INPUT SELECT

I/O O O I I I I I I O I I O O -- I I I

Function Loading motor (M191) control output*1 Detection input from the chucking-in switch (S193). When chucking: "L". Detection input from the loading-in switch (S191). When the magnetic head is lowered: "L", others: "H". Detection input from the loading-out switch (S192). When loaded out: "L", others: "H". Recording-protect claw detection from the protect detection switch (S102-1). When protected: "H". Disc reflection rate detection from the reflect detection switch (S102-2). Disc with lower reflection rate: "H". Detection from the limit-in switch (S101). Sled limit-in: "L". UART data transmission request signal output to display control (IC701). UART data transmission request signal input from display control (IC701). UART data input from display control (IC701). UART data output to display control (IC701). Not used in this unit (Fixed at "L") Ground pin Reference voltage input (+5V) Timer recording/playback/OFF switching input. Not used in this unit (Fixed at "L") Select signal input from input signals (analog/digital input). Analog input: "L", digital input: "H". Not used in this unit (Fixed at "L")

* 1 Loading motor control Operation Pin LDIN 82 pin LDOUT 81 pin IN "H" "L" OUT "L" "H" BRAKE "H" "H"

-- 55 --

· IC271 Shock-Proof Memory Controller, ATRAC Encoder/Decoder (CXD2536R) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 to 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 to 47 VDD SWDT SCK XLAT SRDT SENSE SCMD0 SCMD1 XINT RCPB WRMN TX VSS SICK IDSL XILT XRST TS0 to TS3 EXIR SASL SNGLE VSS AIRCPB XRQ ADTO ADTI XALT ACK AC2 LCHST EXE MUTE OSCO OSCI VSS ATT F86 DOUT ADIN ABCK ALRCK SA2 to SA0 Pin Name I/O -- I I I O/Z O/Z I I O I I I -- I I I I I I I I -- O I/O I/O I/O I/O I/O I/O I/O I/O I/O O I -- I/O O O I O O O Power supply pin (+5V) Input of write data signal from system controller (IC201) Input of serial clock signal from system controller (IC201) Input of serial latch signal from system controller (IC201) Output of read data signal to system controller (IC201) Output of internal status (SENSE) to system controller (IC201) Input of serial command control mode from system controller (IC201) (Fixed at "H") Output of interrupt status to system controller (IC201) Recording/playback switching input. Not used in this unit (Fixed at "L") Input of write/monitor mode switching signal (Fixed at "L") Input of write data transmission timing from system controller (IC201) Also used as magnetic field head ON/OFF output Ground pin Chip reservation pin (Fixed at "L") Chip reservation pin (Fixed at "H") Input of reset signal from system controller (IC201). Reset: "L" Test pin (Fixed at "L") Chip reservation pin (Fixed at "L") Block selection in single use. "L": ATRAC. "H": RAM controller (Fixed at "L") Normally fixed at "L. Fixed at "H" when used as ATRAC or RAM controller for single. (Fixed at "L") Ground pin Output pin of ATRAC and external audio block recording/playback mode signal. Not used in this unit (Opened) ATRAC I/F XRQ signal input/output pin. Not used in this unit (Opened) ATRAC decode data signal input/output pin. Not used in this unit (Opened) ATRAC encode data signal input/output. Not used in this unit (Opened) ATRAC I/F XALT signal input/output pin. Not used in this unit (Opened) ATRAC I/F ACK signal input/output pin. Not used in this unit (Opened) ATRAC I/F error data signal input/output pin. Not used in this unit (Opened) ATRAC I/F Lch start data signal input/output pin. Not used in this unit (Opened) ATRAC I/F EXE signal input/output pin. Not used in this unit (Opened) ATRAC I/F MUTE signal input/output pin. Not used in this unit (Opened) Clock output (45 MHz) Clock input (45 MHz) Ground pin ATRAC I/F ATT signal input/output pin. Not used in this unit (Opened) ATRAC block 11.6 msec timing signal output pin. Not used in this unit (Opened) Output of monitor/decode audio data signal to D/A converter (IC341) Input of recording signal from A/D converter (IC301) Output of bit clock signal to A/D and D/A converters (IC301, IC341) Output of L/R clock to A/D and D/A converters (IC301, IC341) Address signal output. Not used in this unit (Opened) Function

* O/Z: In case of no output data, it becomes high impedance.

-- 56 --

Pin No. 48, 49 50 51 52 to 55 56 to 60 61 62 63 64 65 66 67 68, 69 70, 71 72 to 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

Pin Name A11, A10 VSS VDD A03 to A00 A04 to A08 XOE XCAS VSS XCS A09 XRAS XWE D1, D0 D2, D3 D4 to D6 VSS D7 ERR EXTC2R BUSY EMP FUL EQL MDLK CPSY CTMD0 CTMD1 SPO VSS MDSY LRCK BCK C2PO DATA DIDT DODT DIRCPB MIN SPOSL MCK VSS

I/O O -- -- O O O O -- O O O O I/O I/O I/O -- I/O I/O I O O O O O O O O O -- O I I I I/O I O O I I O -- Ground pin Power supply pin (+5V)

Function Address signal output. Not used in this unit (Opened)

Output of address signal to RAM (IC272) Output of output enable control signal to RAM (IC272) Output of column address strobe signal to RAM (IC272) Ground pin Output of chip select signal to RAM (IC272). Not used in this unit (Opened) Output of address signal to RAM (IC272) Output of row address strobe signal to RAM (IC272) Output of read/write control signal to RAM (IC272) Input/output pin of data signal to/from RAM (IC272) Data signal input/output pin. Not used in this unit (Opened) Ground pin Data signal input/output pin. Not used in this unit (Opened) Input/output pin of error (C2PO) data to external RAM. Not used in this unit (Opened) External RAM selection input for error data writing ("H": External RAM). (Fixed at "L") RAM access BUSY signal output. Not used in this unit (Opened) EMPTY or immediately before FULL of ATRAC data (When DSC=ASC+1: "H"). Not used in this unit (Opened) FULL or immediately before EMPTY of ATRAC data (When ASC=DSC+1: "H"). Not used in this unit (Opened) ATRAC data EMPTY (When DSC=ASC: "H"). Not used in this unit Indicates recording/playback data main/sub ("H": Sub, Linking: "L": Main). Not used in this unit Interpolation sync signal output. Not used in this unit DSC counter mode output. Not used in this unit Output of system clock (512fs=22.5792 MHz) signal to CXD2535BR (IC121) Ground pin Main data sync detection signal output. Not used in this unit Input of L/R clock signal from CXD2535BR (IC121) (44.1 kHz) Input of bit clock signal from CXD2535BR (IC121) (2.8224 MHz) Input of C2PO signal from CXD2535BR (IC121) (Shows data error status) Playback:C2PO ("H"). Digital recording: D.In-Vflag. Analog recording: "L" Recording:Output of recording audio data signal to CXD2535BR (IC121) Playback:Input of playback audio data signal from CXD2535BR (IC121) Input of digital audio input 16-bit data from CXD2535BR (IC121) Output of digital audio output 16-bit data to CXD2535BR (IC121) Disc drive and EFM encoder/decoder recording/playback mode output. Not used in this unit Input of defect ON/OFF switching signal from CXD2535BR (IC121) Pin 87 (SPO) input/output switching input pin ("L":IN. "H":OUT). (Fixed at "H") RAM controller internal master clock output pin. Not used in this unit Ground pin

-- 57 --

· IC301 A/D Converter (CXD8566M) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name AINL+ AINL­ VREFIN AVDD AVss ANAPD HPBYP MODE2 OSFL DIGPD TEST CMODE SMODE LRCK BCK DATA FSYNC DVDD DVss 256FSI OSFR MODE1 NC VLOGIC LGND VREFO AINR­ AINR+ I/O I I I -- -- I I I O I I I I I/O I/O O I/O -- -- I O I -- -- -- O I I Lch analog (+) input Lch analog (­) input Reference voltage input (+3.2V) Modulator analog power supply (+5V) Modulator analog Ground Modulator power down. "H": Normal operation, "L": Power down. (Fixed at "H") Test pin. (Fixed at "L") Mode setting. (Fixed at "L") Lch overflow flag output (Not used in this unit) (Opened) Decimation filter power down. "H": Normal operation, "L": Power down/reset Test pin. (Fixed at "L") Master clock selection. "H": 384fs, "L": 256fs. (Fixed at "L") Mode setting. (Fixed at "L") Master mode: LRCK output, slave mode: LRCK input Master mode: BCK output, slave mode: BCK input DATA output Master mode: FSYNC output, slave mode: FSYNC input Decimation filter power supply (+5V) Decimation filter Ground Master clock input (256fs) Rch overflow flag output (Not used in this unit) (Opened) Mode setting. (Fixed at "L") Not used in this unit (Opened) Modulator logic power supply (+5V) Modulator logic Grund Reference voltage output Rch analog (­) input Rch analog (+) input Function

-- 58 --

· IC701 Display control, LED drive Pin No. 1 to 3 4 5, 6 7 8 9 10 11 12 13 14 15 16 to 26 27 28 to 31 32 33 34 to 51 52 53 to 58 59 60 61 62 63, 64 65 to 67 68 69 70 71 72 73 74 75 76 to 78 79, 80 -- AVss -- AVREF1 RXD TXD CTS RTS SDATA SCK CS RST-OUT -- LED1 LED2 to LED5 -- Vss -- -- -- P-OFF RESET BUS-IN BUS-OUT EN-IN GND VDD X2 X1 GND -- GND AVDD AVREF0 KEY1 to KEY3 -- Pin Name I/O -- -- -- -- I O I O O O O O -- I I -- -- -- O -- O I I O I -- -- I O -- -- -- -- -- I -- Ground pin (A/D converter) Not used in this unit (connected to ground) Reference voltage input to D/A converter (+5V) UART data input from system controller (IC201) UART data output to system controller (IC201) UART data transmission request signal input from system controller (IC201) UART data transmission request signal output to system controller (IC201) Serial data output to Fluorescent tube driver (IC702) Serial clock output to Fluorescent tube driver (IC702) Chip select signal output to Fluorescent tube driver (IC702) Reset signal output to Fluorescent tube driver (IC702) Not used in this unit (connected to ground) Not used in this unit (Opened) LED drive "L": Active Not used in this unit (connected to ground) Ground pin Not used in this unit (connected to ground) Attenuate ON/OFF output "L": ­6 dB attenute Not used in this unit (connected to ground) Forced reset output to system controller (IC201) Reset signal output "L": Active AU BUS signal input AU BUS signal output Encoder input Ground pin Power supply pin (+5V) Main clock (5 MHz) Ground pin Not used in this unit (Opened) Ground pin Power supply pin (+5V) (A/D converter) Reference voltage input to A/D converter (+5V) Key input Not used in this unit (connected to ground) Function Not used in this unit (connected to ground)

-- 59 --

SECTION 6 EXPLODED VIEWS
NOTE: · Items marked "*" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. · The mechanical parts with no reference number in the exploded views are not supplied. · Hardware (# mark) list and accessories and packing materials are given in the last of this parts list. · Abbreviation CND : Canadian model HK : Hong Kong model SP : Singapore model. JE : Tourist model The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.

6-1. FRONT PANEL SECTION 21

22

#11

18 17 16 18

15 12 5

FL

14 701 18 13 11 10 9 8 23 7 20 19

21

6

1

3

4

#7

2

Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13

Part No. 4-977-668-01 4-979-353-01 4-977-680-01 4-977-677-01 4-977-667-01 4-962-708-01 X-4946-465-1 4-977-676-01 4-977-672-01 4-933-134-01

Description WINDOW (FL) FILTER (MD) KNOB (JOG) INDICATOR (DIGITAL) PANEL, FRONT EMBLEM (4-A), SONY BUTTON (PLAY) ASSY INDICATOR (JOG) BUTTON (EJECT) SCREW (+PTPWH M2.6X6)

Remark

Ref. No. 14 15 16 17 18 * 19 * 19 * 20 21 * 22 * 23 FL701

Part No.

Description

Remark

4-969-213-01 LEVER (LID) 4-972-652-01 SPRING, TORSION X-4945-295-1 4-977-671-01 4-951-620-01 A-4699-001-A A-4699-005-A 4-977-695-01 3-363-099-01 4-970-927-61 4-955-901-01 1-517-461-11 BRACKET (LEVER) ASSY BUTTON (MODE) SCREW (2.6X8), +BVTP PANEL BOARD, COMPLETE (SP,HK,JE) PANEL BOARD, COMPLETE (US,CND) HOLDER (FL) SCREW (CASE 3 TP2) CASE CUSHION (FL) INDICATOR TUBE, FLUORESCENT

4-977-669-01 LID (CARTRIDGE) 4-978-356-01 SPRING (LID), TORSION 3-681-678-00 WASHER, SLIT

-- 60 --

6-2. CHASSIS SECTION

#9

#9

#9

#9

#9

#9

58 56
MDM-2B

60 57

53

55
not supplied not supplied

#7 #7

54

#9 (US, CND)

62
#7

59

61
#9

not supplied

52

#7 #7

51

Ref. No. 51 52 * 53 * 53 * 54 * 54 55 56

Part No. 4-977-699-11 4-965-822-01 4-977-679-21 4-977-679-31 A-4699-002-A

Description

Remark

Ref. No. 57 * 58 * 58 59 60 61 62

Part No.

Description

Remark

LEG (F) FOOT PANEL, BACK (SP,HK,JE) PANEL, BACK (US,CND) DIGITAL BOARD, COMPLETE (SP,HK,JE)

1-776-168-11 WIRE (FLAT TYPE) (21 CORE) A-4699-000-A POWER BOARD, COMPLETE (SP,HK,JE) A-4699-004-A 1-775-925-11 4-962-641-01 4-969-237-01 3-703-044-26 POWER BOARD, COMPLETE (US,CND) WIRE (FLAT TYPE) (10 CORE) SCREW (+PSWTT 3X8) LID (CHASSIS) LABEL, CAUTION (US,CND)

A-4699-006-A DIGITAL BOARD, COMPLETE (US,CND) 1-776-417-11 WIRE (FLAT TYPE) (18 CORE) 1-776-416-11 WIRE (FLAT TYPE) (30 CORE)

-- 61 --

6-3. MECHANISM DECK SECTION (MDM-2B) 136 108 107 139 138 109 114 139 106 101 102 103 104 105 115
#2

110 111 112

#10

not supplied

138 101

113

#4

#4

137

135 116 118

not supplied

123

102 102 103 119 120
#6

not supplied

103 102 103 121

117 141
M191

124

122
MBU-2B #9 #6 #1 #9 #9 not supplied #6

134 133 130 132 128

125 126 127 140 131

not supplied

129 130 130

#8
Ref. No. 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 * 116 117 118 119 120 * 121 Part No. 4-983-100-01 4-967-671-01 4-967-673-01 4-967-668-01 4-967-667-01 4-967-655-01 X-4945-069-1 4-967-656-01 4-968-919-31 4-967-637-01 4-967-638-01 4-968-273-01 4-968-272-01 4-967-654-01 4-957-794-01 X-4945-068-1 4-967-669-01 4-967-670-01 4-967-657-01 4-970-710-01 Description COLLAR (DAMPER) INSULATOR (MD) SPRING, COMPRESSION SPRING (UDL), TORSION LEVER (UDL) GEAR (BD-B) CAM ASSY BELT (BD) WASHER, STOPPER LEVER (SLM) SPRING (SLM), TORSION SPRING (OWH), TORSION LEVER (OWH) GEAR (BD-A) PULLEY (GEAR 1) BASE (BD) ASSY LEVER (UDR) SPRING (UDR), TORSION LEVER (DOOR) SPRING, COMPRESSION Remark Ref. No. * 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 * 137 138 139 140 141 M191 Part No. 1-653-412-11 A-4660-647-I X-4946-378-1 4-968-919-11 4-967-646-01 4-967-645-01 4-977-450-01 4-967-639-01 4-968-919-01 4-967-641-01 4-967-642-01 4-967-643-01 4-967-644-01 4-967-664-01 4-968-919-21 X-4945-872-1 4-972-910-01 4-968-919-41 A-4660-953-B Description MOTOR BOARD BRACKET (LVO) ASSY HOLDER ASSY WASHER, STOPPER SPRING (SHT), TORSION LEVER (SHT) SPRING (LM), TORSION LEVER (LM) WASHER, STOPPER LEVER (L) SPRING (L), TORSION LEVER (LS) SPRING (LS), TORSION SPRING, TENSION WASHER, STOPPER SLIDER (M) ASSY SCREW (2.6X18), +B WASHER, STOPPER HOLDER COMPLETE ASSY BOARD, COMPLETE Remark

1-653-411-11 DETECTION SW BOARD

4-971-743-02 SPRING, TENSION A-4660-646-A MOTOR ASSY (LOADING)

-- 62 --

6-4. BASE UNIT SECTION (MBU-2)
S102 #5 #5

152
HR901

#3

not supplied

not supplied #3

M102

not supplied

157

154

#5

155 151
M101

156
The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié. Description SHAFT (OP) OPTICAL PICK-UP KMS-210A/J-N HEAD, OVER LIGHT (RF322-74A) MOTOR ASSY (SLED) CHASSIS ASSY, BU (SPINDLE) Remark

153
Ref. No. 151 152 * 153 154 155 Part No. 4-967-679-01 4-967-675-01 A-4673-174-A 4-967-676-01 4-967-677-01 Description SPRING (OP), LEAF GEAR (SL-A) BD BOARD, COMPLETE GEAR (SL-B) GEAR (SL-C) Remark Ref. No. 156 ! 157 HR901 M101 M102 S102 Part No. 4-967-678-01 8-583-009-11 1-500-304-21 A-4660-651-A A-4660-650-A

1-762-148-11 SWITCH, PUSH (2 KEY) (REFLECT/PROTECT)

-- 63 --

BD
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié. When indicating parts by reference number, please include the board name. Ref. No. * Part No. Description

SECTION 7 ELECTRICAL PARTS LIST
· Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. · Items marked "*" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. · RESISTORS All resistors are in ohms METAL: Metal-film resistor METAL OXIDE: Metal Oxide-film resistor F : nonflammable · SEMICONDUCTORS In each case, u: µ , for example: uA...: µ A..., uPA...: µ PA..., uPB...: µ PB..., uPC...: µ PC..., uPD...: µ PD... Remark Ref. No. C152 C155 C160 C161 C163 C164 C166 C167 C169 C170 C171 C175 C176 C177 C178 C181 C182 C183 C184 C185 C186 C191 C192 C193 C194 Part No. · CAPACITORS uF : µ F · COILS uH : µ H · Abbreviation CND : Canadian model HK : Hong Kong model SP : Singapore model JE : Tourist model * NOTE For replacement of IC121 and IC171 on the BD board, refer to the service note on page 5.

Description 0.1uF 6.8uF 10uF 10uF 0.01uF 0.01uF 0.001uF 0.1uF 10uF 10uF 0.1uF 0.1uF 10PF 10PF 0.1uF 10uF 0.1uF 0.1uF 22uF 0.001uF 0.1uF 22uF 0.1uF 1uF 100uF 20% 20% 20%

Remark 25V 20V 10V 10V 50V 50V 50V 25V 16V 16V 25V 25V 50V 50V 25V 16V 25V 25V 8V 500V 25V 16V 25V 16V 6.3V

A-4673-174-A BD BOARD, COMPLETE ******************* < CAPACITOR > C101 C102 C103 C104 C105 C106 C107 C108 C109 C111 C112 C113 C114 C115 C116 C117 C119 C121 C122 C123 C124 C125 C126 C127 C128 C129 C130 C131 C132 C133 C134 C135 C136 C141 C142 C143 C144 C151 1-104-913-11 1-163-038-91 1-104-913-11 1-104-913-11 1-164-232-11 1-163-275-11 1-164-232-11 1-164-232-11 1-163-037-11 1-164-004-11 1-164-232-11 1-107-682-11 1-163-038-91 1-107-682-11 1-163-019-00 1-164-004-11 1-104-913-11 1-126-395-11 1-164-232-11 1-163-038-91 1-163-038-91 1-104-760-11 1-107-682-11 1-163-038-91 1-164-232-11 1-107-823-11 1-163-251-11 1-104-760-11 1-107-682-11 1-163-017-00 1-163-038-91 1-163-038-91 1-126-206-11 1-163-038-91 1-163-251-11 TANTAL. CHIP CERAMIC CHIP TANTAL. CHIP TANTAL. CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL. CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP 10uF 0.1uF 10uF 10uF 0.01uF 0.001uF 0.01uF 0.01uF 0.022uF 0.1uF 0.01uF 1uF 0.1uF 1uF 0.0068uF 0.1uF 10uF 22uF 0.01uF 0.1uF 0.1uF 0.047uF 1uF 0.1uF 0.01uF 0.47uF 100PF 0.047uF 1uF 0.0047uF 0.1uF 0.1uF 100uF 0.1uF 100PF 100PF 100PF 10uF 20% 20% 20% 16V 25V 16V 16V 50V 50V 50V 50V 25V 25V 50V 16V 25V 16V 50V 25V 16V 16V 50V 25V 25V 50V 16V 25V 50V 16V 50V 50V 16V 50V 25V 25V 6.3V 25V 50V 50V 50V 16V

1-163-038-91 CERAMIC CHIP 1-104-916-11 TANTAL. CHIP 1-104-601-11 1-104-601-11 1-164-232-11 1-164-232-11 1-163-275-11 1-163-038-91 1-104-913-11 1-104-913-11 1-163-038-91 1-163-038-91 1-163-227-11 1-163-227-11 1-163-038-91 1-104-913-11 1-163-038-91 1-163-038-91 1-107-836-11 1-164-611-11 1-163-038-91 1-126-395-11 ELECT CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL. CHIP TANTAL. CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL. CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP ELECT

5%

5%

20% 20%

10% 10%

0.5PF 0.5PF 20%

10% 10% 10% 10% 20% 20%

20% 10% 20%

1-163-038-91 CERAMIC CHIP 1-164-346-11 CERAMIC CHIP 1-126-206-11 ELECT CHIP < CONNECTOR >

20%

10% 10%

10% 5% 10% 10% 5%

CN101 CN102 CN103 CN104

1-766-508-11 1-766-510-21 1-766-509-21 1-766-898-21

CONNECTOR, FFC/FPC (ZIF) 22P CONNECTOR, FFC/FPC 30P CONNECTOR, FFC/FPC 18P HOUSING, CONNECTOR(PC BOARD)4P < DIODE >

20% 5% 5% 5% 20%

D101 D155 D161 D181 D183

8-719-988-62 8-719-031-17 8-719-421-15 8-719-033-60 8-719-033-60

DIODE DIODE DIODE DIODE DIODE < IC >

1SS355 1SS322-TE85L MA8027-L F1P2STP F1P2STP

1-163-251-11 CERAMIC CHIP 1-163-251-11 CERAMIC CHIP 1-104-913-11 TANTAL. CHIP

IC101 IC102

8-752-072-68 IC CXA1981AR 8-759-243-19 IC TC7SU04F

-- 64 --

BD
Ref. No. IC121 IC121 IC122 IC151 IC171 IC172 IC181 IC182 IC191 Part No. Description Remark Ref. No. R116 R117 R120 R121 R122 R123 R124 R125 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R139 R140 R141 R142 R143 R144 R145 R146 R147 R148 R150 R151 R154 R155 R158 R161 R162 R163 R164 R165 R166 R167 R169 R170 R171 R172 R174 R176 R178 R181 R182 R183 R186 R187 Part No. 1-216-069-00 1-216-113-00 1-216-025-91 1-216-097-91 1-216-295-91 1-216-037-00 1-216-025-91 1-216-025-91 1-216-053-00 1-216-037-00 1-216-041-00 1-216-073-00 1-216-097-91 1-216-129-00 1-216-037-00 1-216-053-00 1-216-041-00 1-216-025-91 1-216-017-91 1-216-017-91 1-216-295-91 1-216-073-00 1-216-073-00 1-216-025-91 1-216-121-91 1-216-037-00 1-216-025-91 1-216-045-00 1-216-295-91 1-216-097-91 1-220-262-11 1-220-262-11 1-216-121-91 1-216-057-00 1-216-057-00 1-216-057-00 1-216-045-00 1-216-097-91 1-220-250-11 1-216-065-00 1-219-724-11 1-216-073-00 1-216-073-00 1-216-065-00 1-216-065-00 1-216-065-00 1-216-065-00 1-216-073-00 1-216-089-91 1-216-089-91 Description METAL CHIP 6.8K METAL CHIP 470K METAL GLAZE 100 METAL GLAZE 100K CONDUCTOR, CHIP (2012) METAL CHIP METAL GLAZE METAL GLAZE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL GLAZE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL GLAZE METAL GLAZE METAL GLAZE 330 100 100 1.5K 330 470 10K 100K 2.2M 330 1.5K 470 100 47 47 5% 5% 5% 5% Remark 1/10W 1/10W 1/10W 1/10W 8-752-375-06 IC CXD2535AR *NOTE 8-752-375-36 IC CXD2535BR * NOTE 8-759-243-19 IC TC