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MHC-GRX5/RX66
SERVICE MANUAL
US Model Canadian Model
MHC-RX66
E Model Australian Model
MHC-GRX5
· HMC-GRX5/RX66 are composed following models. As for the service manual, it is issued for each component model, then, please refer to it. COMPONENTS MODEL NAME FOR MHC-GRX5/RX66
MHC-GRX5 COMPACT DISC DECK RECEIVER SYSTEM SPEAKER SYSTEM HCD-GRX5 MHC-RX66 HCD-RX66
SS-J50
PARTS LIST
Part No. Description
ACCESSORIES & PACKING MATERIALS ******************************** 1-475-572-11 1-501-374-11 1-501-659-11 1-769-306-11 3-862-005-11 COMMANDER, STANDARD (RM-SR5) ANTENNA, LOOP ANTENNA (FM) CORD, SPEAKER (2m) MANUAL, INSTRUCTION (ENGLISH) · Abbreviation CND : Canadian model EA3 : Saudi Arabia model HK : Hong Kong model IA : Indonesia model MX : Mexican model
MY SP TH TW
: Malaysian model : Singapore model : Thai model : Taiwan model
3-862-005-21 MANUAL, INSTRUCTION (FRENCH, SPANISH) (E, EA3, MY, SP, MX) 3-862-005-31 MANUAL, INSTRUCTION (FRENCH) (CND) 3-862-005-41 MANUAL, INSTRUCTION (CHINESE) (E, EA3, MY, SP, HK, IA, TW) 3-862-005-51 MANUAL, INSTRUCTION (ARABIC) (EA3) 4-991-151-21 COVER, BATTERY (for RM-SR5)
MINI Hi-Fi COMPONENT SYSTEM
MICROFILM
Sony Corporation
9-922-754-11
Home A&V Products Company
98B051643-1D Printed in Japan © 1998. 2 Published by General Engineering Dept. (Shibaura)
HCD-GRX5/RX66
SERVICE MANUAL
US Model Canadian Model
HCD-RX66
E Model Australian Model
HCD-GRX5
HCD-GRX5/RX66 is the Amplifier, CD player, Tape Deck and Tuner section in MHC-GRX5/RX66.
Photo: HCD-RX66
Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. "DOLBY" and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.
Model Name Using Similar Mechanism HCD-H991AV CD Section CD Mechanism Type Base Unit Type Optical Pick-up Type TAPE DECK Section Model Name Using Similar Mechanism Tape Transport Mechanism Type CDM38L-5BD29AL/ CDM38LH-5BD29AL BU-5BD29AL KSS-213D/Q-NP NEW TCM-230AWR1/ 230PWR1
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS: (U.S.A. model only) POWER OUTPUT AND TOTAL HARMONIC DISTORTION: with 6 ohm loads both channels driven, from 70 - 20,000 Hz; rates 60 watts per channel minimum RMS power, with no more than 0.9% total harmonic distortion from 250 milliwatts to rated output. Amplifier section Canadian model: Continuous RMS power output (reference) 60 + 60 watts (6 ohms at 1 kHz, 10% THD) Total harmonic distortion less than 0.07% (6 ohms at 1 kHz, 45 W) Other models: The following measured at AC 110, 220 V 50/60 Hz DIN power output (rated) 50 + 50 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 65 + 65 watts (6 ohms at 1 kHz, 10% THD) The following measured at AC 120, 240 V 50/60 Hz DIN power output (rated) 60 + 60 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 75 + 75 watts (6 ohms at 1 kHz, 10% THD) Peak music power output (reference) 1000 watts Inputs MD/VIDEO IN: (phono jacks) MIX MIC: (phone jack)
voltage 450 mV, impedance 47 kilohms sensitivity 1 mV, impedance 10 kilohms
Continued on next page
MINI Hi-Fi COMPONENT SYSTEM
MICROFILM
Specifications (continued)
Outputs MD/VIDEO OUT: (phono jacks) PHONES: (stereo phone jack) SPEAKER: SUPER WOOFER: CD player section System Laser Laser output voltage 250 mV, impedance 1 kilohms accepts headphones of 8 ohms or more accepts impedance of 6 to 16 ohms Voltage 1 V, impedance 1 kilohm
General Power requirements North American models: Mexican model: Australian, and Israel models: Thai model: Other models:
120 V AC, 60 Hz 120 V AC, 50/60 Hz 220 - 240 V AC, 50/60 Hz 220 - 240 V AC, 50/60 Hz 110 - 120 V or 220 - 240 V AC, 50/60 Hz
Frequency response Wavelength Signal-to-noise ratio Dynamic range CD OPTICAL DIGITAL OUT (Square optical connector jack, rear panel) Wavelength 600 nm Output Level -18 dBm Tape player section Recording system Frequency response (DOLBY NR OFF)
Compact disc and digital audio system Semiconductor laser (=780nm) Emission duration: continuous Max. 44.6 µW* *This output is the value measured at distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. 2 Hz - 20 kHz (±0.5 dB) 780 -790 nm More than 90 dB More than 90 dB
Power consumption U.S.A. model: Canadian model: Other models: Dimensions (w/h/d)
140 watts 120 watts 140 watts Approx. 280 × 335 × 380 mm (111/8 × 131/8 × 15 in.)
Mass U.S.A. model: Canadian model: Other models: Supplied accessories:
Approx. 8.8 kg (19 lbs. 6 oz.) Approx. 8.4 kg (18 lbs. 8 oz.) Approx. 9.4 kg (20 lbs. 12 oz.) AM loop antenna (1) Remote RM-SR5 (1) Batteries (2) FM lead antenna (1) Speaker cords (2) Front speaker pads (8)
Wow and flutter
4-track 2-channel stereo 40 - 13,000 Hz (±3 dB), using Sony TYPE I cassette 40 - 14,000 Hz (±3 dB), using Sony TYPE II cassette ±0.15% W.Peak (IEC) 0.1% W.RMS (NAB) ±0.2% W.Peak (DIN)
Design and specifications are subject to change without notice.
Tuner section FM stereo, FM/AM superheterodyne tuner
FM tuner section Tuning range Antenna Antenna terminals Intermediate frequency AM tuner section Tuning range North American models:
87.5 - 108.0 MHz FM lead antenna 75 ohm unbalanced 10.7 MHz
530 - 1,710 kHz (with the interval set at 10 kHz) 531 - 1,710 kHz (with the interval set at 9 kHz) 531 - 1,602 kHz (with the interval set at 9 kHz) 5.95 - 17.90 MHz (with the interval set at 5 kHz) 531 - 1,602 kHz (with the interval set at 9 kHz) 530 - 1,710 kHz (with the interval set at 10 kHz) 5.95 - 17.90 MHz (with the interval set at 5 kHz) AM loop antenna External antenna terminal 450 kHz
Middle Eastern models: MW: SW: Other models: MW:
SW: Antenna Antenna terminals Intermediate frequency
2
SECTION 1 SERVICING NOTES
TABLE OF CONTENTS 1. 2. SERVICING NOTES ............................................... 3 GENERAL
Location of Controls ....................................................... 6 Setting the Time .............................................................. 7 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. 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 the 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. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
3. 4. 5. 6.
DISASSEMBLY ......................................................... 8 TEST MODE .............................................................. 11 MECHANICAL ADJUSTMENTS ....................... 13 ELECTRICAL ADJUSTMENTS
DECK Section ................................................................. 13 CD Section ...................................................................... 16
7. DIAGRAMS ................................................................. 18 7-1. Block Diagram CD MECHANISM DECK Section .......................... 19 7-2. Block Diagram TAPE DECK Section ................................................ 21 7-3. Block Diagram MAIN Section ........................................................... 23 7-4. Block Diagram DISPLAY/KEY CONTROL/POWER SUPPLY Section ........................................................................ 25 7-5. Printed Wiring Boards CD Section ......................... 29 7-6. Schematic Diagram CD Section ............................... 31 7-7. Printed Wiring Board CD MOTOR Section ............ 33 7-8. Schematic Diagram CD MOTOR Section .............. 35 7-9. Printed Wiring Board TAPE DECK Section ........... 37 7-10. Schematic Diagram TAPE DECK Section .............. 39 7-11. Printed Wiring Board LEAF SW Section ............... 41 7-12. Schematic Diagram LEAF SW Section .................. 41 7-13. Printed Wiring Board MAIN Section ...................... 43 7-14. Schematic Diagram MAIN Section (1/4) .................................................. 45 7-15. Schematic Diagram MAIN Section (2/4) .................................................. 47 7-16. Schematic Diagram MAIN Section (3/4) .................................................. 49 7-17. Schematic Diagram MAIN Section (4/4) .................................................. 51 7-18. Printed Wiring Board PANEL Section .................... 53 7-19. Schematic Diagram PANEL Section ....................... 55 7-20. Printed Wiring Board CD-SW Section .................... 57 7-21. Schematic Diagram CD-SW Section ...................... 57 7-22. Printed Wiring Board HP Section ........................... 59 7-23. Schematic Diagram HP Section .............................. 59 7-24. Printed Wiring Board POWER AMP Section ......... 60 7-25. Schematic Diagram POWER AMP Section ............ 61 7-26. Printed Wiring Board TRANSFORMER Section ........................................ 63 7-27. Schematic Diagram TRANSFORMER Section ........................................ 64 7-28. IC Pin Function Description ........................................... 68 8. 9. EXPLODED VIEWS ................................................ 73 ELECTRICAL PARTS LIST ............................... 82
This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.
Laser component in this product is capable of emitting radiation exceeding the limit for Class 1. The following caution label is located inside the unit.
CAUTION : INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL : VORSICHT VARO!
USYNLIG LASERSTRÅLING VED ÅBNING NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDGÅ UDSAETTELSE FOR STRÅLING.
: UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNET UND SICHEREITSVERRIEGELUNG ÜBERBRÜCKT. NICHT DEM STRAHL AUSSETZEN. : AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN. VARNING : OSYNLING LASERSTRÅLING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD. BETRAKTA EJ STRÅLEN. ADVERSEL : VIGYAZAT!
USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES. UNNGÅ EKSPONERING FOR STRÅLEN.
: A BURKOLAT NYITÁSAKOR LÉZERSUGÁRVESZÉLY! KERÜLJE A BESUGÁRZÁST!
LÁTHATATLAN
3
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.
MODEL IDENTIFICATION Back Panel
PART No.
SAFETY CHECK-OUT After correcting the original service problem, perform the following safety check 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.
MODEL PART No. 4-996-725-0 4-996-725-1 4-996-725-2 4-996-842-0 4-996-842-1 4-996-842-2 4-996-842-3 4-996-842-4 4-996-842-5 4-996-842-7
LEAKAGE TEST 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 lowvoltage 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 2 V AC range are suitable. (See Fig. A)
RX66: US model RX66: Canadian model GRX5: Thai and Israel models GRX5: E model GRX5: Malaysia, Singapore and South African models GRX5: Saudi Arabia and Taiwan models GRX5: Hong Kong model GRX5: Australian model GRX5: Mexican model GRX5: Indonesian model
To Exposed Metal Parts on Set
0.15 µF
1.5 k
AC voltmeter (0.75 V)
Earth Ground
Fig. A. Using an AC voltmeter to check AC leakage.
4
HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF.
1 Remove the Case.
3 Pull-out the disc tray. 2 Turn the cam to the direction of arrow.
NOTE FOR INSTALLATION (ROTARY ENCODER)
BU cam Note:When attaching the Base unit, Insert the section A into the groove of BU cam.
Section A Groove
Note:When attaching the BU cam, engage the Rotary encoder switch as shown in the figure.
5
SECTION 2 GENERAL
LOCATION OF CONTROLS
1 2 3 4
5 ! !§ !¶ !· !ª @º @¡ @TM !TM !£ @£ !¢ 6 7 8 9 !º !¡
1 2 3 4 5 6 7 8 9 !º !¡ !TM !£ !¢ ! !§ !¶ !· !ª @º @¡ @TM @£
I /u (Power) button DISC 1 to 3 buttons and indicators DISC SKIP/EX-CHANGE button 6 (CD) button CD disc tray CD, ^ button and indicator TUNER, BAND button r REC button and indicator P PAUSE button and indicator HI-DUB button CD SYNC button FILE SELECT button SURROUND button KARAOKE PON/MPX button TAPE B, 9 and ( buttons and indicators TAPE A, 9 and ( buttons and indicators FUNCTION button MIC LEVEL knob MIX MIC jac DISPLAY/DEMO button CLOCK/TIMER SET button TIMER SELECT button p button
@¢
#º #¡ #TM #£ @¶ #¢ # #§ @· @ª @ @§
@¢ @ @§ @¶ @· @ª #º #¡ #TM #£ #¢ # #§ #¶ #· #ª $º $¡ $TM $£
Fluorescent indicator tube ENTER/NEXT button and indicator GROOVE button and indicator VOLUME konb PHONES jack DBFB button Remote sensor FLASH button NON-STOP button and indicator LOOP button EDIT, DIRECTION button PLAY MODE, DOLBY NR button REPEAT button § button (deck A) Tape deck A , 0 button and indicator JOG dial +, ) button and indicator Tape deck B § button (deck B)
#¶
#·
#ª
$º
$¡
$TM
$£
6
7
SECTION 3 DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
CASE
2 screw (CASE3 TP2) (3 × 12)
6 case 1 three screws (BVTP3 × 8)
3 two screws (CASE3 TP2) (3 × 8) 4 5 4 3 two screws (CASE3 TP2) (3 × 8)
2 screw (CASE3 TP2) (3 × 12)
FRONT PANEL SECTION
1 Turn the cam to the direction of arrow A. 4 loading panel 3 two claws A
9 screw (BVTP3 × 10)
5 wire (flat type) (15 core) (33 cm) (CN106) 2 Pull-out the disc tray.
9 screw (BVTP3 × 10) 8 connector (CN109) 7 wire (flat type) (17 core) (CN107) 6 wire (flat type) (13 core) (23 cm) (CN201)
0 three screws (BVTT3 × 6)
8
TAPE MECHANISM DECK SECTION (TCM-230AWR1/TCM-230PWR1)
3 three screws (BVTP3 × 8)
4 two screws (BVTP3 × 8 ) 2 Open the cassette lids.
5 tape mechanism deck section (TCM-230AWR1/ TCM-230PWR1) 1 Push the cassette lids.
CD MECHANISM DECK SECTION (CDM38L-5BD29AL/CDM38LH-5BD29AL)
3 two screws (BVTP3 × 8)
2 wire (flat type) (19 core) (CN105) 4 CD mechanism deck section CDM38L-5BD29AL CDM38LH-5BD29AL
Note: The CD mechanism deck will fall if three screws are removed. Support it by hand, then remove three screws.
1 two connectors (CN103, CN104)
9
MAIN BOARD
Abbreviation AUS : Australian EA4 : Israel MY : Malaysia TW : Taiwan E2 : 120 V AC Area in E model HK : Hong Kong SAF : South African E3 IA SP : 240 V AC Area in E model : Indonesian : Singapore EA3 : Saudi Arabia MX : Mexican TH : Thai
3 four screws (BVTP3 × 8) 2 wire (flat type) (13 core) (14 cm) (CN102) (GRX5: E2, EA4, TH, MX, AUS/RX66) wire (flat type) (15 core) (14 cm) (CN102) (GRX5: E3, EA3, MY, SP, IA, HK, TW, SAF) 1 connector (CN11)
6 MAIN board
4 two screws (BVTP3 × 6)
5 connector (CN101)
10
SECTION 4 TEST MODE
[MC Cold Reset] · The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons p , [ENTER/NEXT], and I/u simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [CD Delivery Mode] · This mode moves the pickup to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press I/u button to turn the set ON. 2. Press [LOOP] button and I/u button simultaneously. 3. A message "LOCK" is displayed on the fluorescent indicator tube, and the CD delivery mode is set. [MC Hot Reset] · This mode resets the set with the preset data kept stored in the memory. The hot reset mode functions same as if the power cord is plugged in and out. Procedure: 1. Press three buttons p , [ENTER/NEXT], and [DISC 1] simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [Sled Servo Mode] · This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pickup. Procedure: 1. Press I/u button to turn the set ON. 2. Select the function "CD". 3. Press three buttons p , [ENTER/NEXT] , and § simultaneously. 4. The Sled Servo mode is selected, if "CD" is blanking on the fluorescent indicator tube. 5. With the CD in stop status, press ) + button to move the pickup to outside track, or 0 button to inside track. 6. To exit from this mode, perform as follows: 1) Move the pickup to the most inside track. 2) Press three buttons in the same manner as step 2.
Note: · Always move the pickup to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. · Do not run the sled motor excessively, otherwise the gear can be chipped.
[Change-over of AM Tuner Step between 9 kHz and 10 kHz] · A step of AM channels can be changed over between 9 kHz and 10 kHz. Procedure: 1. Press I/u button to turn the set ON. 2. Select the function "TUNER", and press [TUNER/BAND] button to select the BAND "AM". 3. Press I/u button to turn the set OFF. 4. Press [ENTER/NEXT] and I/u buttons simultaneously, and the display of fluorescent indicator tube changes to "AM 9 k STEP" or "AM 10 k STEP", and thus the channel step is changed over. [LED and Fluorescent Indicator Tube All Lit, Key Check Mode] Procedure: 1. Press three buttons p , [ENTER/NEXT], and [DISC 2] simultaneously. 2. LEDs and fluorescent indicator tube are all turned on. Press [DISC 2] button, and the key check mode is activated. 3. In the key check mode, the fluorescent indicator tube displays "K 1 J0 V0". Each time a button is pressed, "K" value increases. However, once a button is pressed, it is no longer taken into account. "J" value increases like 1, 2, 3 ... if rotating [JOG] knob in "+" direction, or it decreases like 0, 9, 8 ... if rotating in "" direction. "V" value increases like 1, 2, 3 ... if rotating [VOLUME] knob in "+" direction, or it decreases like 0, 9, 8 ... if rotating in "" direction. 4. To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord.
11
[Aging Mode] This mode can be used for operation check of CD section and tape deck section. · If an error occurred: The aging operation stops and display status. · If no error occurs: The aging operation continues repeatedly. 1. Operating Method of Aging Mode 1) Set disc in DISC1 tray. 2) Load the tapes recording use into the decks A and B respectively. 3) Press three buttons p , [ENTER/NEXT], and [DISC SKIP/EX-CHANGE] simultaneously. 4) The aging mode is activated, if a CD roulette mark on the fluorescent indicator tube is blinking. 5) To exit from the aging mode, press I/u button to turn the set OFF. 2. Operation Sequence · During the aging mode in the following sequence to below. · Starting the CD section aging for function set "CD", starting the TAPE section (deck A) aging for function set "TAPE A" or "TAPE B". (Set another function is no work.) CD (disc1) (12 minutes) Deck A (About 13 minutes Deck B 20 seconds maximum) 3. Aging mode in CD section 1) Display state · No error occurs display
4. Aging mode in Tape Deck section 1) Display state · No error occurs Display action now · Error occurred Display action last time
NO. Display action 1 2 3 4 5 6 7 8 9 10 TAPE A AG-1 TAPE A AG-2 TAPE A AG-3 TAPE A AG-4 TAPE A AG-5 TAPE B AG-1 TAPE B AG-2 TAPE B AG-3 TAPE B AG-4 TAPE B AG-5 Action contents Rewind the TAPE A FWD play the TAPE A F.F. the TAPE A REV play the TAPE A Rewind the TAPE A Rewind the TAPE B FWD play the TAPE B F.F. the TAPE B REV play the TAPE B Rewind the TAPE B Final timing The top of tape 3 minutes playing First either 20 minutes or the end of tape 3 minutes playing The top of tape The top of tape 3 minutes playing First either 20 minutes or the end of tape 3 minutes playing The top of tape
2) Operation during Aging Mode In the aging mode, the program is executed in the following sequence. (1) Rewind is executed up to the top of tape. (2) A tape on FWD side is played for 3 minutes. (3) FF is executed up to either made for 20 minutes or the end of tape. (4) A tape is reversed, and the tape on REV side is played for 3 minutes. (5) Rewind is executed up to the top of tape. (6) Steps 1 through 5 are executed for the other deck. (7) Change to CD section aging.
[*][*] 1 @ @
Note: [*][*] : a letter "CD" and the remainder time (minute) alternately. (remainder time start from 12 minute) @ @ : track number in access.
· Error occurred
NO. 1 2 3 4 5 6 7 8 Display Main factor NO DISC ERR Not set disc in DISC1 FOCUS1 ERR Focus does not work FOCUS2 ERR Focus does not work after the disc rotate as usual GFS ERR FBIAS ERR TABLE ERR TRAY ERR GFS error Error in to the focus bias adjustment CD tray lotate does not work Tray (include BD) move does not work
SENSOR ERR Disc sensor sens DISC1 is no disc
2) Operation during aging Mode In the aging mode, the program is executed in the following sequence. (1) The disc tray turns to select a disc1. (2) A disc is chucked. (3) TOC of disc is read. (4) The pickup accesses to the track 1, and playing 2 seconds. (5) The pickup accesses to the last track, and playing 2 seconds. (6) Steps 1 through 5 are repeated about 12 minutes. (7) Change to deck section aging.
12
SECTION 5 MECHANICAL ADJUSTMENTS
Precaution 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement
Mode FWD FWD back tension REV REV back tension FF/REW FWD tension REV tension Torque meter CQ-102C CQ-102C CQ-102RC CQ-102RC CQ-201B CQ-403A CQ-403R Meter reading 31 to 71 g · cm (0.43 0.98 oz · inch) 2 to 6 g · cm (0.02 0.08 oz · inch) 31 to 71 g · cm (0.43 0.98 oz · inch) 2 to 6 g · cm (0.02 0.08 oz · inch) 71 to 143 g · cm (0.98 1.99 oz · inch) 100 g or more (3.53 oz or more) 100 g or more (3.53 oz or more)
SECTION 6 ELECTRICAL ADJUSTMENTS
DECK SECTION
0 dB=0.775 V
1. Demagnetize the record/playback head with a head demagnetizer. 2. Do not use a magnetized screwdriver for the adjustments. 3. After the adjustments, apply suitable locking compound to the parts adjust. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. 5. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.) 6. The adjustments should be performed for both L-CH and RCH. 7. Switches and controls should be set as follows unless otherwise specified. · Test Tape
Tape P-4-A100 WS-48B P-4-L300 Signal 10 kHz, 10 dB 3 kHz, 0 dB 315 Hz, 0 dB Used for Azimuth Adjustment Tape Speed Adjustment Level Adjustment
Record/Playback Head Azimuth Adjustment
DECK A
DECK B
Note: Perform this adjustments for both decks
Procedure: 1. Mode: Playback
test tape P-4-A100 (10 kHz, 10 dB) main board CN301 Pin 3 (L-CH) Pin 1 (R-CH) level meter set main board CN301 Pin 2 (GND) +
13
2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
Tape Speed Adjustment
DECK B
Note: Start the Tape Speed adjustment as below after setting to the test mode. In the test mode, the tape speed is high during pressing the [HI-DUB] button.
L-CH peak Output level
within 1dB within 1dB
Screw position
R-CH peak L-CH peak R-CH peak
Procedure: 1. Turn the power switch on. 2. Press the p button, [ENTER/NEXT] button and [DISC 3] button simultaneously. (The "VOLUME" on the fluorescent indicator tube will blink while in the test mode.) To exit from the test mode, press the I/u button. Mode: Playback
test tape WS-48B (3 kHz, 0 dB) set frequency counter + main board CN301 (Pin 3 : L-CH) (Pin 1 : R-CH)
Screw position
3. Mode: Playback
test tape P-4-A100 (10 kHz, 10 dB) L-CH MAIN board CN301 set R-CH pin 1 waveform of oscilloscope
pin 3 pin 2 L R
oscilloscope
V
H
in phase 45 ° good
90 ° 135 ° 180 ° wrong
1. Insert the WS-48B into the deck B. 2. Press the · button on the deck B. 3. Press the [HI-DUB] button in playback mode. Then at HIGH speed mode. 4. Adjust RV1001 on the LEAF SW board do that frequency counter reads 6,000 ± 180 Hz. 5. Press the [HI-DUB] button. Then back to NORMAL speed mode. 6. Adjust RV1002 on the LEAF SW board so that frequency counter reads 3,000 ± 90 Hz. Adjustment Location: LEAF SW board Playback level Adjustment DECK A Procedure: Mode: Playback
test tape P-4-L300 (315 Hz, 0 dB) set
DECK B
4. After the adjustments, apply suitable locking compound to the pats adjusted. Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).
level meter +
main board CN301 (Pin 3 : L-CH) (Pin 1 : R-CH)
Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301 (L-CH) and RV401 (R-CH) so that adjustment within adjustment level as follows. Adjustment Level: CN301 PB level: 301.5 to 338.3 mV (8.2 to 7.2 dB) level difference between the channels: within ±0.5 dB Adjustment Location: AUDIO board
forward reverse
14
REC Bias Adjustment DECK B Procedure: INTRODUCTION When set to the test mode performed in Tape Speed Adjustment, when the tape is rewound after recording, the "REC memory mode" which rewinds only the recorded portion and playback is set. This "REC memory mode" is convenient for performing this adjustment. During recording, the input signal FUNCTION will automatically switch to VIDEO. (If do not operation of stopped from recording complete, and press 0 button then rewind to recording start position.) 1. Press [FUNCTION] button to select VIDEO. (This step is not necessary if the above test mode has already been set.) 2. Insert a tape into deck B. r 3. After press [ REC] button, press P button, then recording start. 4. Mode: Record
MD/VIDEO (AUDIO) IN 1) 315 Hz 50 mV (23.8 dB) 2) 10 kHz attenuator
4. Mode: Record
MD/VIDEO (AUDIO) IN 315 Hz, 50 mV (23.8 dB) 600 blank tape CS-123 set
AF OSC
attenuator
5. Mode: Playback
recorded portion set level meter +
CN301 (Pin 3 : L-CH) (Pin 1 : R-CH)
AF OSC
600
set
blank tape CN-123
6. Confirm playback the signal recorded in step 3 become adjustable level as follows. If these levels do not adjustable level, adjustment the RV301 (L-CH) and RV351 (R-CH) on the MAIN board to repeat steps 4 and 5. Adjustable level: CN301 PB level: 47.2 to 53.0 mV (24.3 to 23.3 dB) Adjustment Location: MAIN board
[MAIN BOARD] (Component Side)
5. Mode: Playback
recorded portion set level meter +
RV301 L REC LEVEL 1 3 CN106 CN301 RV351 R
CN301 (Pin 3 : L-CH) (Pin 1 : R-CH)
CN107
6. Confirm playback the signal recorded in step 3 become adjustable level as follows. If these levels do not adjustable level, adjustment the RV341 (L-CH) and RV441 (R-CH) on the AUDIO board to repeat steps 4 and 5. Adjustable level: Playback output of 315 Hz to playback output of 10 kHz: ±1.0 dB Adjustment Location: AUDIO board REC Level Adjustment DECK B Procedure: INTRODUCTION When set to the test mode performed in Tape Speed Adjustment, when the tape is rewound after recording, the "REC memory mode" which rewinds only the recorded portion and playback is set. This "REC memory mode" is convenient for performing this adjustment. During recording, the input signal FUNCTION will automatically switch to VIDEO. (If do not operation of stopped from recording complete, and press 0 button then rewind to recording start position.) 1. Press [FUNCTION] button to select VIDEO. (This step is not necessary if the above test mode has already been set.) 2. Insert a tape into deck B. r 3. After press [ REC] button, press P button, then recording start.
[AUDIO BOARD] (Component Side)
RV441 RV401 RV301 L R R L IC602 RV341 L R
CN601
RV311 RV411
PB LEVEL REC BIAS DECK B
[LEAF SW BOARD] (Component Side)
TAPE SPEED
(NORMAL) (HIGH) RV1002 RV1001 CN1001
PB LEVEL DECK A
15
CD SECTION
Note: 1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10 M impedance. 4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.
E-F Balance (Traverse) check (Without remote commander)
oscilloscope BD board TP (TEO) TP (VC) +
S Curve Check
oscilloscope BD board TP (FEO) TP (VC) +
Procedure: 1. Connect oscilloscope to test point TP (FEO). 2. Connect between test point TP (FOK) and GND by lead wire. 3. Turn Power switch on. 4. Put disc (YEDS-18) in and turned Power switch on again and actuate the focus search. (Actuate the focus search when disc table is moving in and out.) 5. Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confirm peak to peak level within 3±1 Vp-p.
S-curve waveform
symmetry
Procedure: 1. Connect oscilloscope to test point TP (TEO) on BD board. 2. Turned Power switch on. Press [FUNCTION] button to select CD. 3. Put disc (YEDS-18) in to play the number five track. 4. Press the p button, [ENTER/NEXT] button and ^ button simultaneously several times to fluorescent indicator tube display "SHUFFLE" is blink. (The sledding servo is turned OFF.) 5. Check the level B of the oscilloscope's waveform and the A (DC voltage) of the center of the Traverse waveform. Confirm the following: A × 100 = less than ±7 (%) B
Traverse waveform Center of the waveform
B 0V A (DC voltage) symmetry
A B
within 3 ± 1 Vp-p
level: 500 ± 100 mVp-p
6. After check, remove the lead wire connected in step 2.
Note: · Try to measure several times to make sure than the ratio of A : B or B : A is more than 10 : 7. · Take sweep time as long as possible and light up the brightness to obtain best waveform.
6. Press the p button, [ENTER/NEXT] button and ^ button simultaneously several times to fluorescent indicator tube display "SHUFFLE" is OFF. (The sleding servo is turned ON.) Confirm the C (DC voltage) is almost equal to the A (DC voltage) is step 5.
Traverse waveform
RF Level Check
BD board TP (RF) TP (VC)
oscilloscope
+
0V Sled servo OFF Sled servo ON
C (DC voltage)
Procedure: 1. Connect oscilloscope to test point TP (RF) on BD board. 2. Turned Power switch on. 3. Put disc (YEDS-18) in and playback. 4. Confirm that oscilloscope waveform is clear and check RF signal level is correct or not.
Note: Clear RF signal waveform means that the shape "" can be clearly distinguished at the center of the waveform.
· FR signal
VOLT/DIV: 200 mV TIME/DIV: 500 ns
level: 1.3 ± 0.3 Vp-p
16
Adjustment Location:
[BD BOARD] (Conductor Side)
RF VC
CNU101
FOK IC101 IC I02
TEO GND FEO
IC103
CNU102
17
SECTION 7 DIAGRAMS
· Circuit Boards Location
TRANSFORMER board ENCAPSULATED COMPONENT CD-SW board
MAIN board
PANEL board
HP board
POWER AMP board
SENSOR board
MOTOR (TURN) board
CONNECTOR board
BD board
MOTOR (SLIDE) board
AUDIO board LEAF SW board
18
HCD-GRX5/RX66
7-1. BLOCK DIAGRAM CD MECHANISM DECK Section
DIGITAL SIGNAL PROCESSOR, CLV SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER IC103 PD1 I-V AMP 4 DETECTOR PD2 I-V AMP A D 5 I-V AMP 1 2 FOCUS OK COMPARATOR FOK FOCUS OK AMP SERVO AUTO SEQUENCER DATA CLK XLT LOCK XRST SENS1 C.OUT SENS2 22 20 21 19 23 25 24 26 DATO 15 CLKO 17 XLTO 16 27 39 PD2 + 38 PD1 RF SUMMING AMP RFO RFI 33 32 RF ASYI ASYO FOK SUB-CODE PROCESSOR ERROR CORRECTOR DIGITAL OUT DOUT 71 ASYMMETRY CORRECTION FILTER
39 42 38 40 FILO CLTV PCO FILI
44 46 47
DIGITAL PLL
INTERNAL BUS
EFM DEMODULATOR
PCMD BCK LRCK C2PO RFCK WDCK
52 54 50 63 62 49
D/A INTERFACE
PCMDI 53 SERIAL BCKI 55 INPUT LRCKI INTERFACE 51
OVER SAMPLING DIGITAL FILTER NOISE SHAPER
EMPHI
B
C
AOUT1 84 85 AIN1 LOUT1 86 CD-L
F 10 E 6 RF AMP, FOCUS/TRACKING SERVO IC101 (1/2) MIRR AMP DEFECT AMP TTL IIL IIL DATA REGISTER
TTL IIL
16K RAM
IIL TTL
SEIN 13 CNIN 14
DIGITAL CLV XRST MON MDP MDS LOCK XROF
CPU INTERFACE SQSO SQCK SENS DATA CLOK XLAT SCOR SBSO EXCK SPOD
TIMING LOGIC XTAI XTAO CKO
CLOCK GENERATOR C4M
BUFFER LOUT2 93 R-CH
OPTICAL PICK-UP (KSS-213D/Q-NP)
FOCUS ERROR AMP
FEO
1
2
FEI
FOCUS PHASE COMPENSATION
FEO
6
100
26 27 28 29 64
8 7 9 10 12 11 75 76 77 21
6
89
90
70
FE BIAS
40 S101 (LIMIT) SYSTEM CONTROLLER IC501 (1/3) 57 XRST
X101 16.9344MHz TEI TRACKING PHASE COMPENSATION TAO
41 42 LASER DIODE
F E I-V AMP
TRACKING TEO 45 ERROR AMP
47
13
ON : When the optical pick-up is inner position.
A
(Page 23)
PD
LD
AUTOMATIC POWER CONTROL Q101
36
LD
LD AMP
PD AMP
PD 37
SQ-DATA-IN SQ-CLK (D-OUT ON/OFF) SENS CD-DATA 73 SENS2 CD-CLK XLT SCOR
34 36 74 47 48 58 18
OPTICAL TRANSCEIVER IC381 IC381 CD DIGITAL OUT OPTICAL
DISC-SENS 75 9 MUTE 2-AXIS DEVICE (TRACKING) (FOCUS) TBL-SENS 76 OUT4A 16 OUT4B 15 TRACKING COIL DRIVE IN4A 27
LEVEL SHIFT Q701
DISC SENSOR IC703
DISC TRAY SENSOR IC702 S801 (OPEN/CLOSE DET) CLOSE
OUT3A 18 OUT3B 17
FOCUS COIL DRIVE
IN3B
26
24
BUFFER
22, 23
OP OUT
OP+, OP
OUT-OPEN 81 OPEN ENC1 80 ENC2 79 ENC3 78 4 ROTARY 2 ENCODER S811 3
05
FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE IC102 OUT2A IN2A SLED 11 6 12 OUT2B MOTOR DRIVE SLO SLED AMP SLP
M102 (SLED)
M
16
14
DISC TRAY SLIDE MOTOR DRIVE IC801 FIN 10 RIN 2 OUT1 OUT2
M101 (SPINDLE)
M
OUT1A 13 IN1B SPINDLE OUT1B 3 MOTOR DRIVE 14
SLED SERVO IC101 (2/2)
LOAD-OUT 63 LOAD-IN 64
MOTOR DRIVE
7 4
M
M801 (DISC TRAY SLIDE)
· SIGNAL PATH : CD PLAY
DISC TRAY TURN MOTOR DRIVE IC701 IN1 3 IN2 6 OUT1 OUT2
AIN2
EMPH 72 GFS 61 WFCK 74 GTOP 58
AOUT2 95 94
23
PWM & INTEGRATOR
73
: DIGITAL OUT
TBL-L 60 TBL-R 61
MOTOR DRIVE
7 2
M
M701 (DISC TRAY TURN)
19
20
HCD-GRX5/RX66
7-2. BLOCK DIAGRAM TAPE DECK Section
DECK PROCESS DECK A/B SELECT, PB/REC EQ AMP, DOLBY NR AMP, ALC, AMS IC301 HRP1 (PLAYBACK) L-CH PB EQ AMP (DECK A) IC611 RV311 R-CH R-CH PB LEVEL (L) (DECK A) 48 46 AIN (L) BIN (L) 120 R-CH DOLBY PASS 70 DOLBY NR AMP CIRCUIT PB OUT (L) 40 PB-L
· SIGNAL PATH : PLAYBACK (DECK A) : PLAYBACK (DECK B)
B
(Page 23)
: RECORD
+
REC OUT (L) L.P.F. ROUT (L) ALC RIN (L) ALC (L) ALC IN (L) EQ IN (L) REC EQ AMP EQ OUT (L) 36
HRP2 (1/2) (RECORD/PLAYBACK) L-CH
BIAS (N) 33 BIAS (C) 32 BIAS (M) 31 PB EQ AMP (DECK B) IC601 RV301 PB LEVEL (L) (DECK B)
BIAS CONTROL CIRCUIT
BUFFER MAOUT 28 27 MSIN AMS CIRCUIT MSOUT 26
43 44
35
34
39
38
A 120/70 B NORM/CROM ALC ON/OFF PB A/B NORM/HIGH BIAS ON/OFF RM ON/OFF NR ON/OFF REC/PB/PASS LM ON/OFF
RV301 REC LEVEL (L) (DECK B) REC-L
R-CH
R-CH
17 19 15 16 18 20 22 23 24 25
C
(Page 24)
REC/PB SWITCHING IC602 3 R-CH 1 R-CH
S1004 (DECK A 120/70)
4
S1008 (DECK B 120/70)
2 C331, L331 BIAS TRAP SL1 TRIGGER PLUNGER DECK A RV441 REC BIAS (R) (DECK B) RV341 REC BIAS (L) (DECK B) ROTATION DETECT SENSOR (DECK A) IC1001 ROTATION DETECT SENSOR (DECK B) IC1002 TRIGGER PLUNGER DRIVE (DECK A) Q333, 334 TRIGGER PLUNGER DRIVE (DECK B) Q331, 332 SL2 TRIGGER PLUNGER DECK B RV1001 TAPE SPEED (HIGH) CAPSTAN MOTOR CONTROL SWITCH Q1001 RV1002 TAPE SPEED (NORMAL)
R-CH
Q335
REC BIAS SWITCH Q623 HRP2 (2/2) (ERASE) BIAS OSC T621 BIAS OSC Q621, 622
B+ (A+7V) 97 TC-RELAY 99 94 93 92 90 89 88 87 ALC-ON/OFF PB-A/B EQ-H/N BIAS REC-MUTE NR-ON/OFF R/P-PASS TC-MUTE 31 AMS-IN
26 A-SHUT
27 B-SHUT
84 A-TRG
83 B-TRG
82 CAP-M-H/L CAPM-CNT1P 17 CAPM-CNT2P 77 CAPM-CNT1M 85 CAPM-CNT2M 86 CAPSTAN MOTOR DRIVE Q336 339 CAPSTAN MOTOR DRIVE Q340 343
A-PLAY-SW
B-PLAY-SW
95
96
98
A-HALF
28
05 S1002 S1001 (DECK A PLAY) (DECK B PLAY)
S1003 (DECK A HALF)
S1006 (DECK B HALF)
B-HALF
SYSTEM CONTROLLER IC501 (2/3)
M
M1 (CAPSTAN)
S1005 (DECK A REC)
S1009 (DECK B REC)
21
22
HCD-GRX5/RX66
7-3. BLOCK DIAGRAM MAIN Section
(Page 22) REC-L
C
L J101 (2/2) MD/VIDEO (AUDIO) OUT
· SIGNAL PATH : CD PLAY : TAPE PLAY : RECORD : TUNER (FM/AM) : MIC INPUT
J751 MIX MIC MIC AMP IC750 (1/2) RV750 MIC LEVEL R-CH MIC AMP IC750 (2/2)
R-CH
R
+
GRAPHIC EQUALIZER CONTROL, ELECTRICAL VOLUME IC101 2 58 REC A2 57 REC B2 GRAPHIC EQUALIZER CONTROL CIRCUIT VOL IN2 VOLUME CONTROL 40
LINE AMP IC191 MUTING Q191
J191 SUPER WOOFER
J421 PHONES
A
(Page 20)
CD-L
B
(Page 22)
PB-L
IN B2 68 IN C2 67 IN A2 69 IN D2 66
VOL OUT2
MIC IN
INPUT SELECT
SOUND CONTROL CIRCUIT
+
F OUT2
42
41
BASS BOOST CONTROL CIRCUIT
BUF OUT2
36 MUTING Q113
POWER AMP IC801
-1
-2 R-CH
+ +
TM401 RY401
L
L R J101 (1/2) MD/VIDEO (AUDIO) IN R-CH
R-CH
+
CPU INTERFACE COMMAND
R
R-CH
R-CH
KEY IN1 KEY OUT
KEY IN2
MUTING CONTROL SWITCH Q575
SPEAKER IMPEDANCE USE 6 16
DATA CLOCK LATCH
BB B2, BB A2
33 32 34
60 5 75
38, 39 FEED BACK SWITCH Q112 D141
OVER LOAD DETECT Q801
RELAY DRIVE Q431 PROTECTOR Q435, 436 OVER LOAD DETECT SWITCH Q432, 437
ANTENNA FM 75
FM/AM TUNER UNIT
+
R-CH SPEANA MIXING AMP IC102 DBFB CONTROL SWITCH Q111 R-CH
+
R-CH
FM ANT FM ANT
ST-L ST-R
D843
+
R-CH
AM ANT ST-MUTE STEREO AM ANT TUNED AM ST-DIN ST-DOUT ST-CLK ST-CE (Page 25)
R-CH
D F G H
SPEANA
+
(Page 25) DATA, CLK R-CH (Page 26) POWER
DC DETECT SWITCH Q433, 434 +5V
(Page 26)
CD-POWER
RESET SIGNAL GENERATOR IC502
MUTING CONTROL SWITCH Q571, 572
RESET
E
(Page 25)
68 65 66 67 69 70 72 52 51 3
DATA CLK
X501 5MHz
X502 32.768kHz
RESET SWITCH Q501
46
5
55 56
2
10
11
13
14
100
1
16
15
6
CD-POWER
DBFB-H/L
XT1
ST-CE ST-CLK ST-DIN ST-DOUT TUNED STEREO ST-MUTE
LINE-MUTE
IIC-DATA IIC-CLK
STK-MUTE
AC-CUT
POWER
M62442-DATA M62442-CLK M62442-LATCH
SYSTEM CONTROLLER IC501 (3/3)
05
23
24
F-RELAY
XT2
X2
X1
RESET
HCD-GRX5/RX66
7-4. BLOCK DIAGRAM DISPLAY/KEY CONTROL/POWER SUPPLY Section
FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL IC601
POWER
G H
(Page 23)
CD-POWER
F
(Page 23)
DATA, CLK
DATA CLK
24 SDA 23 SCL 54 69, 72 70, 77 73
FLUORESCENT INDICATOR TUBE FL601
(Page 23)
E
(Page 24)
RESET
10 RESET
SEG1 SEG24
CD MECHANISM DECK SECTION B+
BAND-PASS FILTER IC603 F01 F02 F03 F04 4 LINE IN L+R 13 RST 18 31 SPEANA RESET S604 610, 614 625, S631 642, 656 659 KEY-0 KEY-3 26 29 B+ SWITCH Q601, 602 32 L+R 17 16 15 14 34 35 36 37 SPEANA-1 SPEANA-2 SPEANA-3 SPEANA-4
B+ SWITCH Q907, 908
GR13 53 GR2 GR12 42 52
SWITCHING Q621
AUDIO D+5V
B+ SWITCH Q905, 906 D507
D914
D
(Page 23)
SPEANA
D+5V SWITCHING Q620 SYSTEM CONTROLLER (IC501) B+ +5V REGULATOR IC902
GR1 41
D501, 502
+7V (CD M+7V) D+5V Q603 L.SEL 25
+7V REGULATOR IC901
REGULATOR CONTROL SWITCH Q903 +7V REGULATOR Q901, 902, 913
+7V LED1, LED5 LED8, LED13 LED15
79, 3 6, 16 18
REMOTE CONTROL RECEIVER IC602
TC, PANEL, AUDIO LED DRIVE Q604, 608 610, Q613 615, 618 D610, 612, 621 625, D631 633, 651, 652 7V REGULATOR Q914, 951, 952 RECT D901 904
POWER TRANSFORMER T11
33 SIRCS
7V
LED9, LED10
11, 12
S601 (JOG DIAL)
ROTARY ENCODER S601 ROTARY ENCODER S602
21 JOG-A 22 JOG-B
D613, 616 618
CAPSTAN MOTOR DRIVE CIRCUIT, TRIGGER PLUNGER DRIVE CIRCUIT B+
S602 VOLUME
19 VOL-A 20 VOL-B
+10V (FM/AM TUNER UNIT B+)
+10V REGULATOR Q909
+12V REGULATOR IC903
RECT D907, 908
X-OUT
30V FL DRIVER (IC601)
8
9
30V REGULATOR Q910
X-IN
RECT D909, 910
Except E, Saudi Arabia, Hong Kong, Singapore, Taiwan, Indonesia models
05
X601 8MHz
TO FLUORESCENT INDICATOR TUBE (FL601) POWER AMP (IC801)
VF1 VF2 B+ B VOLTAGE SELECT SWITCH S11 S11 VOLTAGE SELECTOR E, Saudi Arabia, Hong Kong, Singapore, Taiwan, Indonesia models AC IN RECT D800
25
26
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ¢ · : internal component. · C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. · · · · · Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié. Note on Printed Wiring Boards: · X : parts extracted from the component side. p : parts mounted on the conductor side. · ® · : Through hole. · b : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Pattern face side: (Side B) Parts face side: (Side A) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.
· Waveforms BD Section
1 IC101 #£ (RF O) (PLAY MODE) 6 IC103 ^TM (RFCK)
MAIN Section
1 IC501 !¡ (X1)
1.3 Vp-p
5 Vp-p
4.4 Vp-p
135 µs
2 IC101 2 (FEI) (PLAY MODE) 7 IC103 &¢ (WFCK)
200 ns
2 IC501 !¢ (XT1)
· Indication of transistor.
C These are omitted. Q B E
·
· ·
·
U : B+ Line. V : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. Circled numbers refer to waveforms. Signal path. F : FM f : AM E : PB (DECK A) d : PB (DECK B) G : REC (DECK B) J : CD c : digital out Abbreviation AUS : Australian model. CND : Canadian model. E2 : 120 V AC Area in E model. E3 : 240 V AC Area in E model. EA3 : Saudi Arabia model. EA4 : Israel model. HK : Hong Kong model. IA : Indonesian model. MX : Mexican model. MY : Malaysia model. SAF : South African model. SP : Singapore model. TH : Thai model. TW : Taiwan model.
Q B C E These are omitted.
0.5 Vp-p
5 Vp-p
2.2 Vp-p
135 µs
3 IC101 $¶ (TEI) (PLAY MODE) 8 IC103 *ª (XTAI)
30.6 µs
PANEL Section
3 IC601 9 (X-IN)
0.2 Vp-p
2.6 Vp-p
3.6 Vp-p
16.9344 MHz
4 IC103 @¶ (MDP)
126 ns
2.5 Vp-p
7.8 µs 5 IC103 ^º (XPCK)
5 Vp-p
230 µs
27
28
HCD-GRX5/RX66
7-5. PRINTED WIRING BOARD CD Section · See page 18 for Circuit Boards Location. · See page 27 for Note on Printed Wiring Boards.
· Semiconductor Location Ref. No. Location
IC101 IC201 IC501 Q101 C-5 B-5 C-6 C-3
MAIN BOARD CN105
(Page 43)
29
30
HCD-GRX5/RX66
7-6. SCHEMATIC DIAGRAM CD Section · See page 28 for Waveforms. · See page 65 and 66 for IC Block Diagrams. · See page 27 for Note on Schematic Diagram.
(Page 45)
MAIN BOARD CN105
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
31
32
HCD-GRX5/RX66
7-7. PRINTED WIRING BOARDS CD MOTOR Section · See page 18 for Circuit Boards Location. · See page 27 for Note on Printed Wiring Boards.
(Page 43)
MAIN BOARD CN104
(Page 43)
MAIN BOARD CN103
33
34
HCD-GRX5/RX66
7-8. SCHEMATIC DIAGRAM CD MOTOR Section · See page 67 for IC Block Diagrams. · See page 27 for Note on Schematic Diagram.
MAIN BOARD CN104
(Page 45)
MAIN BOARD CN103
(Page 45)
35
36
HCD-GRX5/RX66
7-9. PRINTED WIRING BOARD TAPE DECK Section · See page 18 for Circuit Boards Location. · See page 27 for Note on Printed Wiring Boards.
(Page 43)
MAIN BOARD CN106
37
38
HCD-GRX5/RX66
7-10. SCHEMATIC DIAGRAM TAPE DECK Section · See page 67 for IC Block Diagrams. · See page 27 for Note on Schematic Diagram.
MAIN BOARD CN106
(Page 49)
39
40