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HHB MDP500 PORTABLE MINIDISC RECORDER

SERVICE MANUAL

2

PORTADISC MDP500 MiniDisc Recorder

CONTENTS

SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. This appliance is classified as a CLASS 1 LASER product, the CLASS 1 LASER product marking is on the rear of the unit inside the battery compartment. This equipment fully complies with 21 CFR 1040.10 and 1040.11 CAUTION: Invisible laser radiation when the unit is disassembled, avoid exposure to beam.

CONTENTS
1. DISASSEMBLY INSTRUCTIONS . . . . . . . . 5-12 Removing The Top & Bottom Panels . . . . . . . . . . 5-6 Removing The Front Panel . . . . . . . . . . . . . . . . . 7-8 Removing The Main CPU Circuit Board . . . . . . . . . . 9 Removng The MD Mechanism . . . . . . . . . . . . . . 10 Removing The Analog Main & Sub Circuit Boards 11-12 2. BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . 13 3. CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Supply CPU Board . . . . . . . . . . . . . . . . Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . Analog Output & Digital Coax I/O . . . . . . . . . . . 4. PCB LAYOUTS . . . . . . . . . . . . . . . . . . . . CPU PCB Component Side . . . . . . . . . . . . . . . CPU PCB Solder Side . . . . . . . . . . . . . . . . . . . Analog Main Solder Side . . . . . . . . . . . . . . . . Analog Main Component Side . . . . . . . . . . . . . Analog Sub PCB Solder Side . . . . . . . . . . . . . . Analog Sub PCB Component Side . . . . . . . . . . Front Panel PCB Parts Side . . . . . . . . . . . . . . Front Panel PCB Solder Side . . . . . . . . . . . . . . Deck Panel PCB . . . . . . . . . . . . . . . . . . . . . . 15-21 . . 15 . . 17 . . 19 . . 21 24-33 . . 24 . . 25 . . 28 . . 29 . . 32 . . 33 . . 35 . . 35 . . 37 Focus Bias Adjustment . . . . . . . . . . . . . . . . . 45-46 Error Rate Confirmation . . . . . . . . . . . . . . . . . . . 46 Creating A Continuously Recorded Test Disc . . . . . 47 7. IC INFORMATION . . . . . . . . . . . . . . . . . . 49-50 8. PARTS LIST . . . . . . . . . . . . . . . . . . . . . . Main Frame . . . . . . . . . . . . . . . . . . . . . . . . CPU Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . Analog Main Unit . . . . . . . . . . . . . . . . . . . . . Analog Sub Unit . . . . . . . . . . . . . . . . . . . . . . 51-53 51-52 . . 52 . . 53 . . 53

9. IDENTIFICATION OF PARTS . . . . . . . . . . . 55-58 Top Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 10. TECHNICAL DATA . . . . . . . . . . . . . . . . . . . 59

5. RESET INFORMATION . . . . . . . . . . . . . . . . . 39 6. TEST MODE & ALIGNMENT . . . . . . . . . . Entering Test Mode . . . . . . . . . . . . . . . . . . . . Switch Test Mode . . . . . . . . . . . . . . . . . . . . . Mechanism Alignment Test Mode . . . . . . . . . . Tools For Alignment . . . . . . . . . . . . . . . . . . . . Button Operation During Alignment Test Mode . The Alignment Modes . . . . . . . . . . . . . . . . . . Test Mode Displays . . . . . . . . . . . . . . . . . . . . Temperature Compensation Offset Adjustment . Laser Power Adjustment . . . . . . . . . . . . . . . . Traverse Adjustment . . . . . . . . . . . . . . . . . . . 41-47 . . 41 . . 41 . . 41 . . 42 . . 42 . . 42 . . 43 . . 43 . . 44 44-45

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4

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder
Removing The Top And Bottom Panels
Instructions are best carried through in the following order: a) b) Slide off the plastic battery cover Remove the 4 screws (A) ~ fig.1

fig.1 c) Remove the 2 screws (B) ~ fig.2

fig.2

5

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder

d)

Remove the 2 screws (C) ~ fig.3

fig.3 e) Remove the top panel. Caution: Disconnect speaker connector (D) before fully separating the top panel from the machine ~ fig.4

fig.4 f) Remove the bottom panel

6

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder
Removing The Front Panel
a) b) Remove the dual concentric record level knob (A) by pushing through from behind the front panel ~ fig.5 Remove the phone level knob (B)~ fig.5

fig.5

c)

Remove 2 screws (C) ~ fig.6

fig.6

7

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder

d)

Remove 2 screws (D) ~ fig.7

fig.7 e) Lift tab (F) ~ fig.6, then remove the front panel. Caution: Disconnect ribbon cable (1) before fully separating the front panel from the machine ~ fig.8

fig.8

8

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder
Removing The Main CPU Circuit Board
a) b) c) Remove 4 screws (A) ~ fig.9 Remove the SPDIF optical protector plugs if connected Lift up the CPU board carefully as the board is still attached by several cables

fig.9 d) Disconnect 8 cables (1 - 8) and remove the board ~ fig.10

fig.10

9

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder
Removing The MD Mechanism
a) Remove 4 screws (A) ~ fig.11

fig.11 b) c) Ensure cables (3) and (4) are disconnected ~ fig.10 Lift out the MD mechanism

10

DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder
Removing The Analog Main & Sub Circuit Boards
a) Remove 4 screws (A) ~ fig.12

fig.12 b) c) d) e) f) g) Disconnect the XLR input cables, (9) and (10) ~ fig.13 Remove the Analog Sub pcb Remove 2 screws (B) to remove the metal shield plate ~ fig.12 Remove the Record Level Pot locking nut and washer (C) ~ fig.13 Disconnect cable, (11) ~ fig.13 Remove 3 screws (D) ~ fig.13

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DISASSEMBLY INSTRUCTIONS
PORTADISC MDP500 MiniDisc Recorder

fig.13 h) Remove 5 screws (E) ~ fig.14 i) j) Remove the connector side panel (F) ~ fig.14 Lift out the Analog Main pcb.

fig.14

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PORTADISC MDP500 MiniDisc Recorder

BLOCK DIAGRAM

13

PORTADISC MDP500 MiniDisc Recorder

CPU

15

POWER SUPPLY CPU BOARD
PORTADISC MDP500 MiniDisc Recorder

17

PORTADISC MDP500 MiniDisc Recorder

ANALOG INPUTS

19

ANALOG OUTPUT & DIGITAL COAX I/O
PORTADISC MDP500 MiniDisc Recorder

21

CPU PCB COMPONENT SIDE
PORTADISC MDP500 MiniDisc Recorder

24

CPU PCB SOLDER SIDE
PORTADISC MDP500 MiniDisc Recorder

25

ANALOG MAIN SOLDER SIDE
PORTADISC MDP500 MiniDisc Recorder

28

ANALOG MAIN COMPONENT SIDE
PORTADISC MDP500 MiniDisc Recorder

29

ANALOG SUB PCB SOLDER SIDE
PORTADISC MDP500 MiniDisc Recorder

32

ANALOG SUB PCB COMPONENT SIDE
PORTADISC MDP500 MiniDisc Recorder

33

FRONT PANEL PARTS & SOLDER SIDE
PORTADISC MDP500 MiniDisc Recorder

35

PORTADISC MDP500 MiniDisc Recorder

DECK PANEL PCB

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38

RESET INFORMATION
PORTADISC MDP500 MiniDisc Recorder

There are 4 types of reset function which may be used to eliminate abnormal behaviour in the Portadisc. If having implemented all the 4 reset types, and the MDP500 has not returned to normal behaviour, then investigate the possibility of a fault or misalignment in the machine. The four reset types are listed below: 1) F1 +F2 reset. Resets factory defaults 2) F1 +F3 reset. Resets factory defaults, user set-ups, clock 3) Power reset. Remove all power from machine. Remove external dc supply and batteries. Re-connect power and power on. 4) System reset. Remove bottom panel. Locate and press SW1 on the main pcb.

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40

TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder
Entering Test Mode
There are two test modes. 1) Switch Test Mode 2) Mechanism Alignment Test Mode When ejecting a disc, always ensure that the disc has stopped rotating by pressing STOP In addition, please be aware . that the record protection tab on a mini-disc is not detected in test mode, therefore it is possible to overwrite recorded material.

Switch Test Mode
Hold down the F1 and Display buttons whilst simultaneously pressing the power switch. The Portadisc will appear to have booted up in normal operation mode. Wait for about 5 seconds then press the Mark button. The MDP500 has now entered 'SWITCH Test Mode'. This enables the engineer to check the operation of each of the switches on the machine. Each button has a unique test code as listed in the following table: BUTTON F1 F2 F3 LIGHT DISPLAY INPUT MARK SYSTEM SETUP RECORD CODE K03 K09 K0B K01 K10 K12 K07 K05 K04 K08 BUTTON PAUSE KEYHOLD OPEN EDIT AMS BACK AMS FFWD << PLAY >> STOP CODE K02 K13 K10 K11 K0F K0E K0C K0D K0A K06

To exit from 'SWITCH Test Mode', press the POWER button until POWER DOWN appears in the display.

Mechanism Alignment Test Mode
Hold down the F1 and Display buttons whilst simultaneously pressing the power switch. The Portadisc will appear to have booted up in normal operation mode. Wait for about 5 seconds then press the STOP button. Then press the LIGHT button. TEMP ADJUST will be displayed. Exit Alignment test mode by pressing SETUP then powering down. Note: The above procedures should be followed exactly otherwise spurious display information may result.

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TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder
Tools For Alignment
Oscilloscope; MD-LPM1 laser power meter; voltmeter; Sony test disc TDYS-1; Continuously recorded disc (see end of this section for details on how to create one of these discs).

Button Operation During Alignment Test Mode
BUTTON AMS BACK OPEN AMS FFWD PLAY >> STOP FUNCTION Cycles back through the various alignment pages and used to adjust parameter values Ejects the disc Cycles FFWD through the various alignment pages and used to adjust parameter values Spindle servo ON Used to manually traverse the sled assembly towards the outer diameter Stops rotation of the disc. This should always be pressed before ejecting the disc. Also turns off laser. Used to manually traverse the sled assembly towards the inner diameter Toggles between the various test mode displays (see below) YES NO

<< DISPLAY F1 F3

The Alignment Modes
Select the alignment mode by using the AMS BACK and FFWD buttons. Enter the alignment mode by pressing F1. Exit the alignment mode by pressing F3. ALIGNMENT MODE TEMP ADJUST LDPWR ADJUST LDPWR CHECK EFBAL ADJUST FBIAS ADJUST FBIAS CHECK CPLAY MODE CREC MODE EEP MODE DESCRIPTION Temperature compensation offset Laser Power adjustment Laser Power check Traverse adjustment Focus Bias adjustment Focus Bias check Continuous playback mode Continuous record mode Do not use

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TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder
Test Mode Diisplays
The display button is used to toggle through the following display pages: a) Alignment Mode b) Error rate display c) Address display d) Auto gain display e) IVR display

The Auto gain and IVR displays are not used during servicing. 1. Error Rate Display C1 = XXXX AD = XX C1 indicates the data error rate AD indicates the address error rate 2. Address display h = header address; s = sub-code Q channel address; a = ADIP (address in pre-groove) address. If '----' is displayed, then the address can not be read. The header address (h) is the unique address of each data block and is contained within the data itself. The sub-code Q channel (s) contains the address information extracted from the sub-code data. This should be the same as the header address. The ADIP address (a) is the unique address pre-stamped on a recordable disc using modulated wobble. 3. Auto Gain Display AG F=XX T=XX F indicates acquired Focus Auto Gain value T indicates acquired Tracking Auto Gain value

Temperature Compensation Offset Adjustment
This adjustment saves the temperature data as a 25oC reference for the alignment process. · It is not necessary to perform this alignment unless the laser assembly is replaced · Perform this adjustment just after turn on in an ambient temperature of between 22 to 28oC. a) b) c) Use the AMS buttons to locate the TEMP ADJUST page, then press F1 to select. Ensure that TEMP = XX where XX falls within the range 'E0-EF', 'F0-FF', '00-0F', '10-1F', '20-2F'. Press F1 to SAVE (SAVE will briefly be displayed) or press F3 to exit without saving.

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TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder
Laser Power Adjustment
This adjustment requires the use of a laser power meter. It is highly recommended that the SONY MD-LPM1 Mini-disc Laser Power Meter (Part No. 9-948-310-40) is used for this adjustment as it allows for more accurate and reliable adjustment. This meter is built in to a minidisc case so that the meter can be loaded using the MD loading mechanism. a) b) c) d) Insert the laser power meter. Use the << and >> buttons to position the laser so that it is approximately in the middle of the photo sensor of the power meter. Use the AMS buttons to locate the LDPWR ADJUST page, then press F1 to select. The display should show 'LD 0.9mW $XX'. Use the AMS buttons to adjust for a laser power of between 0.80 to 0.96mW. Press F1 to save. The display should now show 'LD 7.0mW $XX'. Use the AMS buttons to adjust for a laser power of between 6.8 to 7.2mW. Press F1 to save. Note: Do not perform the emission with 7mW for more than about 15 seconds continuously. The display should now return to the LDPWR ADJUST page. Use the AMS buttons to locate the LDPWR CHECK page. Press F1 to cycle through the various powers and check that the readings are correct. Press F3 to exit.

e)

Traverse Adjustment
a) Connect 1 channel of an oscilloscope to TE (Tracking error) and VC (Voltage reference for servo).

The location of the TE and VC test points are shown in the following diagram:

44

TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder

b)

Load a recordable 74 mini-disc into the machine and use the << or >> buttons to move the optical lens to about the middle of the disc. Use the AMS buttons to locate the EFBAL ADJUST page, then press F1 to display 'EFBAL MO-R'. Press F1 again to turn on the laser, focus servo and spindle servo. 'EFB = XX MO-R' will be displayed. Use the AMS buttons to adjust for minimum tracking offset so that A = B as shown in the picture below.

c) d)

e) f)

Press F1 to save the adjustment setting. The display will then show 'EFBAL MO-P'. Press F1 again to turn on the laser, focus servo and spindle servo. 'EFB = XX MO-P' will be displayed. Use the AMS buttons to adjust for minimum tracking offset so that A = B as shown in the picture above. Press F1 to save the adjustment setting. The display will then show 'EFBAL MO-W'.

g)

h) Press F1 again to turn on the laser, focus servo and spindle servo. 'EFB = XX MO-W' will be displayed. Use the AMS buttons to adjust for minimum tracking offset so that A = B as shown in the picture above. Caution: This adjustment sets the tracking offset during the record process, therefore do not use any disc where you want to preserve the data. i) j) k) Press F1 to save the adjustment setting. The display will then show 'EFBAL CD'. Load test disc TDYS-1 or a pre-mastered high quality disc (CD pits and lands). Press F1 again to turn on the laser, focus servo and spindle servo. 'EFB = XX CD' will be displayed. Use the AMS buttons to adjust for minimum tracking offset so that A = B as shown in the picture above. Press F1 to save the adjustment setting. The display will then show 'EFBAL ADJUST'.

l)

m) Eject the disc.

Focus Bias Adjustment
a) b) c) d) e) Load a 'continuously recorded disc'. Refer to 'Creating a Continuously Recorded Disc' below. Use the AMS buttons to locate the CPLAY MODE page. Press F1 to display CPLAY MID. As soon as 'C1 = XXXXAD =XX' is displayed, press F3. Use the AMS buttons to locate the FBIAS ADJUST page. Press F1 to display 'XXXX/XX a=XX'. The first 4 digits indicate the C1 error rate, the next 2 digits indicate ADER (address error rate) and the a=XX indicates the focus bias value. Use the forward AMS button to adjust for a focus bias value which produces an average C1 error rate of 220. The C1 error rate will vary quite considerably. Press the F1 button to save and to display 'XXXX/XX b=XX'.

f)

g)

45

TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder

h) Use the backward AMS button to adjust for a focus bias value which produces an average C1 error rate of 220. i) j) k) Press the F1 button to save and to display 'XXXX/XX c=XX'. Check that the C1 error rate is less than 50 and ADER is less than 2. Press the F1 button to save and to display 'XX-XX-XX (XX)'. If the (XX) value is more than 20, then press F1. If the (XX) value is less than 20, press F3 and repeat the adjustment from step (b).

The relationship between the C1 error rate and the focus bias values a, b and c are shown in the graph below.

Error Rate Confirmation
1. CD (Pre-mastered) Error rate check a) b) c) d) e) Load test disc TDYS-1 Use the AMS buttons to display the CPLAY MODE Press F1 to display CPLAY MID. The display will change to show the C1 error rate. C1 error rate should be below 20. Press F3 to stop.

2. MO Error rate check a) b) c) d) e) Load a continuously recorded disc. Use the AMS buttons to display the CPLAY MODE Press F1 to display CPLAY MID. The display will change to show the C1 and ADER error rates. C1 error rate should be below 50 and ADER below 2. Press F3 to stop.

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TEST MODE & ALIGNMENT
PORTADISC MDP500 MiniDisc Recorder
Creating A Continuously Recorded Test Disc
A continuously recorded disc should only be created using a well-aligned machine. This disc is required for performing focus and error rate checks and adjustments. 1. Insert a fresh blank disc. 2. Use the AMS buttons to locate the CREC MODE page. 3. Press F1 to display CREC MID. The display will show the starting address of '0300' and recording will commence automatically. 4. After 5 minutes, press F3 to stop recording. 5. Press OPEN to eject the disc.

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PORTADISC MDP500 MiniDisc Recorder

IC INFORMATION

AK4520A 20Bit ADC/DAC

74HC4052 Analogue Multiplexer/Demultiplexer Function Table

CONTROL INPUT B A 0 0 1 1 0 1 0 1

COMMON OUTPUTS X Y X0 X1 X2 X3 Y0 Y1 Y2 Y3

IH = Inhibit, When IH is low, outputs are ON.

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PORTADISC MDP500 MiniDisc Recorder

IC INFORMATION

74HC4066 CMOS Quad Bilateral Switch

BA3308F ALC

NJM2360

50

PORTADISC MDP500 MiniDisc Recorder

PARTS LIST

Main Frame
No. 1/1 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 1/10 1/11 1/12 1/13 1/14 1/15 1/16 1/17 1/18 1/19 1/20 1/21 1/22 1/23 1/24 1/25 1/26 1/27 1/28 1/29 1/30 1/31 1/32 1/33 1/34 1/35 1/36 1/37 1/38 1/39 1/40 1/41 1/42 1/43 Part Name Front Panel (ABS) Battery housing (ABS) Battery Cover (ABS) Connector panel (ABS) Knob,Headphone-Level Knob, Rec-Level[R] Knob, Rec-Level[L] Knob-Rec Keytop-Pause Keytop-Power Keytop-S-(a) light,mark Keytop-S-(b) disp, syst Keytop-S-(c) input, set Keytop-F F1-F3 Keytop-Deck (play etc) Knob-Lock LCD-Display window Cover-Top (ABS) Cover-Top (silicon) Cover-MD slot (ABS) Chassis, complete Cover-Upper Cover-Bottom Bracket-Deck Bracket-Analog sub pcb Bracket-Record VR Bracket-Deck PCB Bracket Lock (1) Bracket Lock (2) Terminal (1) Battery + Terminal (2) Battery Screw mech retaining O Ring P3 - mech Bushing - mech Bracket-Speaker Rubber Foot Screw MD slot - selftap Screw top cover - selftap Screw batt term - selftap Screw front panel PCB -st Screw lock bracket - selftap Screw case top / bott - black Screw XLR panel - black Part Code 40-031-01 43-055-01 43-056-02 44-015-02 51-047-04 51-048-14 51-049-14 51-050-14 51-051-14 51-052-04 51-053-04a 51-053-04b 51-053-04c 51-054-03 51-055-02 51-056-03 55-011-04 58-010-02a 58-010-02b 58-011-13 41-016-11 43-053-02 43-054-22 46-040-13 46-041-03 46-042-04 46-044-03 46-045-04 46-046-04 59-079-03 59-080-04 59-083-04 Dia 2.5mm C30NG79-1 46-043-04 TM182-816 2 off RH M3x6 8 off RH M3x5 2 off RH M3x5 5 off RH M2.6x6 4 off CS M2x6 4 off CS M3x6 5 off RH M2.6x8 No. 1/44 1/45 1/46 1/47 1/48 1/49 1/50 1/51 1/52 1/53 1/54 1/55 1/56 1/57 1/58 1/59 1/60 1/61 1/62 1/63 1/64 1/65 1/66 1/67 1/68 1/69 1/70 1/71 1/72 1/73 1/74 1/75 1/76 1/77 1/78 1/79 1/80 1/81 1/82 1/83 1/84 1/85 1/86 Part Name Screw top / bott rear - black Screw battery case Screw PCB & brackets Screw screen -ext jack Screw front panel Screw LCD PCB AC Adapter 100-230 Volt Rechargeable Battery Battery caddy Soft case & strap Instruction Manual MD Mechanism Electro Capacitor, C0 LCD Module CN5 Conn CN6 socket conn XLR Connector Speaker CPU PCB UNIT complete ANALOG MAIN PCB UNIT ANALOG SUB PCB UNIT FRONT KEY PCB UNIT TOP KEY PCB UNIT EXT DC PCB bare DC INPUT JACK CN102 (2-pin conn) PHONE LEVEL PCB bare Gang VR400 (monitor level) CN402 (6-pin conn) FRONT KEY PCB bare Slide Switch REC SW2 Tact Switch 11 of LED (red) record LED (yellow) pause LED (green) charge Connector TOP KEY PCB bare Tact Switch 9 off CN9 (7-pin conn) Cable CN401-2 phones level Cable CN8-9 CPU - Deck Key Cable CN102-103 Ext DC I/p Cable CN403-speaker Part Code 4 off CS M2.6x6 4 off RH M3x6 21 off RH M3x4 4 off RH M2.6x6 4 off CS M2.6x4 4 off RH M2x6 MDP500ACADA MDP500B MDP500BC MDP500CASE MDP500OPMAN KMK-260AAA ECOS1CP153BB L2462B1J000 AXP416618 AXM116215 XLM-3-31-PCS S36G04K-3 91-113-00 91-114-00 91-115-00 91-116-00 91-117-00 01-129-04 LGP6531-0400 53253-0210 01-128-04 RK097121T 53253-0610 01-126-03 SSST010600 PT-007-C12B TLR-226 TLY-226 TLG-226 52806-1610 01-127-04 PT-007-C12B 53253-0710 08-044-04 08-046-04 08-047-04 08-048-04

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PORTADISC MDP500 MiniDisc Recorder

PARTS LIST

Main Frame (continued)
No. 1/87 1/88 1/89 1/90 1/91 1/92 1/93 Part Name Cable CN101-battery CN104-C0 (capacitor) Cable CN200, 201-XLR Cable CN6-LCD FFC Cable CN1 to mech FFC Cable CN2 to mech FFC Cable CN10 to CN11 Part Code 08-049-04a 08-049-04b 08-050-04 08-051-04 UL20624-19 UL20624-16 UL20624-16 No. 2/33 2/34 2/35 2/36 2/37 2/38 2/39 2/40 2/41 2/42 No. 2/1 2/2 2/3 2/4 2/5 2/6 2/7 2/8 2/9 2/10 2/11 2/12 2/13 2/14 2/15 2/16 2/17 2/18 2/19 2/20 2/21 2/22 2/23 2/24 2/25 2/26 2/27 2/28 2/29 2/30 2/31 2/32 Part Name CPU board 4 layer IC8 (microprocessor) IC1 IC2 IC3 IC4 IC5 IC9 IC10 IC11 (Optical RX) IC12 (Eeprom software) IC13 (Optical TX) IC14 IC100 IC101, 102 IC103 IC104 IC105, 106 IC118 Q100, 102 Q101 D1,2,3,4,102, 107 D5, D7,D8 D100,101,103-105,109 USB Socket Mini DIN Socket (remote) IC Socket 28 way CN1 (19-way conn) CN2, CN10 (16-way conn) CN6 (16-way conn) CN7 (20-way conn) CN8 (7-pin conn) Part Code 01-123-03 TMP90CM37F UDA1325H TC74HC00F TC74LVX4245FS TC74HC153F AT24C16N-10SI TC74HC373F NJU6355EM TORX173 M27C256B-12FI TOTX173 TC7S14F S80760AN-JQ-T1 NJM2360M MAX1627ESA NJU7201U50 LM2940CT-5.0 NJU7201U32 2SJ525 2SC4116Y 1SS272 1SS383 U1GWJ44 USB-212-T TCS7588-01-201 AXS 102811K 52806-1910 52806-1610 AXL216801 Z-282-20FD 53253-0710 2/53 2/54 2/43 2/44 2/45 2/46 2/47 2/48 2/49 2/50 2/51 2/52 Part Name CN12 (4-way conn) CN101 - 104 (2-pin conn) Slide charge switch (SW100) Tact reset switch (SW1) Back up Battery Crystal 22.5792MHz Crystal 48 MHz Crystal 32.768 MHz X3 (12.228M) Resonator Toroidal Coil, T100 L9, L101, 102 470 uH L104 33uH L105, 107, L109 1mH L106 100mH Chip Coil Chip Coil L1, 4 47uH L2 3.3uH Part Code Z-282-04FD 53253-0210 SS324F-B12H6.5 PT-007-C12B Ml2020/H1B HCM49S HC-49/US FTS-26 12.2MTJOC4 TF0804S-201Y1R6 RCH875 471K RCH875 330K RCH875 102K RCH875 101K LQH3C470K04 LQG21N3R3K BLM21A601F

CPU Unit

Chip EMIFIL L3, 5, 6, 7, 8

Resistor metal oxide 20W 2W R101RS14AB3D E Capacitor 6.3V 47u C14,24 0J-UTCXM470M E Capacitor 16V 100u C39,41, 49,100,108,110,115,117-9 1C-UTES101M E Capacitor 50V 47u C109,113 1H-UTES470M E Cap 6.3V 1000u C111,114 OJ-UTESM102M

52

PORTADISC MDP500 MiniDisc Recorder

PARTS LIST

Analog Main Unit
No. 3/1 3/2 3/3 3/4 3/5 3/6 3/7 3/8 3/9 3/10 3/11 3/12 3/13 3/14 3/15 3/16 3/17 3/18 3/19 3/20 3/21 3/22 3/23 3/24 3/25 3/26 3/27 3/28 3/29 3/30 3/31 3/32 Part Name ANALOG MAIN PCB IC209, 210 IC211, 212 IC213 IC214 IC215 IC217 IC218, 403 IC400 (AD/DA) IC401 IC402 IC404 IC405 Q204-208, 210 Q400-407 Q408 D202, 203 Audio Pin Jack Line OP Audio Pin Jack Dig I/O Headphone Jack CN203 (12-way conn) CN204 (4-pin conn) CN400 (20-pin conn) CN401 (6-pin conn) CN403 (2-pin conn) Record Lvl Pot. VR200 Toroidal Coil, T400 Chip EMIFIL, L400-406 Inductor, L407,408 470uH E Cap 10V 220u C441-2 E Cap 6.3V 10u C443,445 E Cap 6.3V 100u C267,268 411,412,415,420,450 OJ-UTCXM101M Part Code 01-124-03 NJM2068M NJM2121M BA3308F TC74HC4094F NJM2122M TC74HC4066F TC74HC4052F AK4520A-VF NJM4580ED TC74HCU04F NJM3414M NJM2073M 2SC4116Y 2SC4213B 2SA1163 1SS272 LPR6520 LPR6520 S-G4617 #3 LPC-12FDS HKP-04M1 HKP20M1 53253-0610 53253-0210 RK0972220 TF0804S-201 BLM21A601F RCH875 471K 1A-UTCX221M OJ-UTCXS100M

Analog Sub Unit
No. 4/1 4/2 4/3 4/4 4/5 4/6 4/7 4/8 4/9 4/10 4/11 4/12 4/13 4/14 Part Name ANALOG SUB PCB IC200 IC201, 203, 216 IC202, 204, 207, 208 IC205, 206 Q200, 201 Q202, 203 D200, 201 RL200, 201 Relay Condenser Mic. CN200, 201 (Inputs) CN202 (12-pin conn) E Cap 50V 100u C207,208 Part Code 01-125-04 NJM2110M NJM2122M TC74HC4052F TC74HC4094F 2SA1163 2SC4116Y 1SS272 ATQ219SA KUB2823 5530-03A LPC-12T5M 1H-UTES101M

E Cap 50V 22u C205-6,212-5 IH-UTCXM220M

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PORTADISC MDP500 MiniDisc Recorder

TOP PANEL

1

BATTERY COMPARTMENT This cover slides off (from right to left in this view) and underneath is the battery caddy, holding 8 x AA batteries. KEYHOLD Use this button to avoid any accidental operation during recording. Each time you press the button for more than two seconds, the hold function changes from `Key Hold ON' to `Key Hold OFF' and vice versa. The following buttons can still operate even when the keyhold function is on: KEY HOLD, LIGHT, MARK, DISPLAY and POWER. The remote control connection will not be affected by this function; i.e., it is always enabled. OPEN Press this button to eject the MD disc. This function is disabled during recording. EDIT Use this button to enter the different edit modes. AMS Use the button to move back one or more tracks and the button to move forward one or more tracks. These buttons are also used in editing and naming.

6

REWIND Rewinds the track during playback. PLAY Use this button to start playing back the track. FAST FORWARD Fast forwards the track during playback. STOP Use this button to stop the playback or recording operation. RECORD VOLUME CONTROL Dual concentric control for independent left and right level adjustment. INTERNAL MONO MICROPHONE MONITOR SPEAKER SHOULDER STRAP ATTACHMENT POINTS

7

2

8

9

10

3

11 12

4

13

v v

5

v v

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PORTADISC MDP500 MiniDisc Recorder

FRONT PANEL

14

PHONE LEVEL Adjusts the volume level for the headphones and monitor speaker. The control will pop out if you press it. The monitor speaker will not function during recording or when the headphones are connected. INPUT Changes the following input related settings: · Input source: MIC, LINE, DIGITAL, INT MIC, OFF · Options for MIC: MIC-Att, BASSCUT, LIMITER, PHANTOM · Options for LINE: LIMITER · Options for DIGITAL: COAXIAL, OPTICAL, USB input connections DISPLAY Changes the display menu through disc time, level margin, time & date. LIGHT Illuminates the display back light for a few seconds. Hold it down for more than two seconds in order for it to be continuously lit. Press it again to switch off the light. MARK Marks the track number manually during record mode and play/pause mode. SYSTEM Changes the following system settings: REC MODE, TRACK-INCREMENT, THRESHOLD LEVEL, AUTO-START/CUT, AUTO-PAUSE, PRE-RECORD, HEADPHONE MONITOR, OVERWRITE MODE, REPEAT MODE, DIGITAL OUTPUT and AUTO POWER DOWN. SETUP Changes the following setup options: OPEN SETUP , SAVE SETUP CLOCK/DATE SETUP DATE FORMAT, , , PEAK HOLD METER and DISPLAY CONTRAST. Use this button to save and recall set-ups. OPEN SETUP consists of five user set-ups, which can be used to store all the menu settings on the recorder, and three recording presets MIC REC, LINE REC and DIGI REC.

21

15

REC LEVEL Adjusts the analog recording level manually for mic and line inputs. This control does not affect the signal level when the AGC function is set to `ON'. The outer control adjusts the left hand channel and the inner control adjusts the right hand channel. A friction lock between the two controls allows them to move together but also be adjusted individually. RECORD Slide this button to the right to enter record mode. POWER Press this button for one second to power ON and press for more than one second then release to power OFF. This button does not turn the power off during recording and TOC operations. F1, F2, F3 Selects the parameters according to the corresponding set-up functions on the display above. LCD DISPLAY Shows level metering, disc information, timing information and all the menu select and control displays. REC LEVEL LOCK Mechanically locks the REC LEVEL knob position in order to avoid accidental adjustment. Slide this button up to lock. REC INDICATOR This LED will light up red in record mode and blink in record pause mode. BAT CHG INDICATOR This LED will light up green when charging the NiMH rechargeable batteries. PAUSE INDICATOR This LED will light up yellow in pause mode. PAUSE BUTTON Use this button to pause the record or playback operation. Pressing this button before pressing the record button will put the recorder into record pause mode, ready for recording.

22 23

16

24

17

25

18

26

19

27

28

20

29 30

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PORTADISC MDP500 MiniDisc Recorder

SIDE PANELS

31 32

PHONES SOCKET 1/4" jack socket for headphone connection. LINE OUT LEFT AND RIGHT CONNECTORS (Unbalanced RCA phono.) To send analog output signals to other equipment. COAXIAL I/O CONNECTORS (Unbalanced RCA phono.) SPDIF digital coaxial connectors. MIC/LINE CONNECTORS (Balanced XLR.) To connect either MIC or LINE inputs. REMOTE CONNECTOR Parallel remote control connector.

36 37 38 39

USB CONNECTOR USB interface port for a compatible computer. OPTICAL I/O CONNECTORS (TOSlink.) SPDIF digital optical connectors. BATTERY COMPARTMENT DC INPUT CONNECTOR To connect the standard accessory AC adaptor, or an optional car adaptor. DC12-14V. MINIDISC SLOT A disc must be inserted into this slot with the arrow on the disc casing facing into the recorder. SHOULDER STRAP ATTACHMENT POINTS

33

34

40

35

41

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PORTADISC MDP500 MiniDisc Recorder

LCD DISPLAY

42-3

LEVEL INDICATOR The bar meter shows the audio level in playback and record. (42) left hand channel (43) right hand channel. RECORD/PLAYBACK MODE INDICATOR The icons indicate pause, play and record modes.

45

DISPLAY MODE INDICATOR Displays the track number, record/play time, remaining time, total recorded time, level margin, date and time. BATTERY INDICATOR Indicates the battery capacity remaining or whether the unit is connected to an external power source (DC IN).

44

46

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PORTADISC MDP500 MiniDisc Recorder

TECHNICAL DATA
Unbalanced line output Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono Output level . . . . . . . . . . . . . . . . +8dBu @ 0dBFS into >10k

GENERAL Format . . . . . . . . . . . . . . . . . . . MiniDisc digital audio system Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MiniDisc

Recording method . . . . . . . . Magnetic field variation overwrite Reading method . . . . . . . . . . . . . . Non contact optical pickup Laser . . . . . . . . . . . Semiconductor laser (wavelength 780nm) Record/playback time Stereo mode . . . . . . . . . . . . . . . . . . . . . . . 80 minutes max Mono mode . . . . . . . . . . . . . . . . . . . . . . . 160 minutes max Rotation speed . . Approx 400-900rpm Constant Linear Velocity Sampling frequency . . . . . . . . . . . . . . . . . . . . . . . . 44.1kHz (with internal SRC to cater for 32kHz and 48kHz source signals) Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATRAC Ver 4.5 Modulation system . . . . . . EFM (Eight to Fourteen Modulation) Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Power requirement . . . . . . . . . . . . . . . . . . . . . . 12-14V DC Power consumption . . . . Approx 4.5W record, 3.5W playback Weight with batteries . . . . . . . . . . . . . . . . . 2.0kg / 4lbs 7oz Weight without batteries . . . . . . . . . . . . . 1.8kg / 3lbs 15oz Dimensions (WxHxD) . . 225 x 57 x 180mm/10 x 2.2 x 7.1 ins Internal speaker power . . . . . . . . . . . . . . . . . . . . . . 250mW Coaxial digital output . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF AUDIO Frequency response . . . . . . . . . . . . . 10Hz to 20kHz, - 0.5dB Wow & flutter . . . . . . . . . . . . . . . . . Below measurable limits Signal to noise ratio (playback) . > 89dB bandwidth 22Hz to 22kHz Dynamic range (line input) . . . . . . . . . . . . . . . . . . . . > 96dB Microphone EIN . . . . . . . . . . . . . . . . . . > 122dB A-weighted THD & N @ 1kHz ref 0dBFS . < 0.02% bandwidth 22Hz to 22kHz USB (Ver 1) input / output Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Type B I/O CONNECTIONS Analog connectors Balanced mic/line input Connector type . . XLR 3: Pin 2 + Hot; pin 3 - Cold; Pin 1 Ground Mic input level for 0dBFS (level control at max) . . . . . . -52dBu Line input level for 0dBFS (level control at max) . . . . . . . -2dBu Phantom power (mic inputs) . . . . . . . . . . . . . . . . +48V, 7mA ACCESSORIES The following accessories are included as standard . . . . . . . . . . Soft case, carrying strap, battery caddy with 8 x NiMH rechargeable batteries, spare battery caddy, AC adaptor/charger, HHB MD80 MiniDisc, operating instructions, quick reference guide Interface . . . . . . . . . . . . . . . . . . . . . . Windows 98/2000, Mac OS Optical digital output . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF Connector type . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOSlink Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono Output impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Output level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V p-p Optical digital input . . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF Connector type . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOSlink Digital connectors Coaxial digital input . . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono Input impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Input level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V p-p Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parallel Connector type . . . . . . . . . . . . . . . . . . . . . . . 8-pin mini DIN Headphone output Connector type . . . . . . . . . . . . . . . . . . . . . 1/4" stereo jack Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mW

NOTE: The specifications and design of this product are subject to change without notice, due to improvements. US patents 4,790,016 and 4,914,701 and foreign equivalents licensed from Dolby Laboratories Licensing Corportation.

Published by HHB Communications Ltd. Copyright © 2001 HHB Communications Ltd. All rights reserved.

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HHB Communications Ltd · 73-75 Scrubs Lane, London NW10 6QU, UK Tel: 020 8962 5000 · Fax: 020 8962 5050 · E-Mail: [email protected] HHB Communications USA LLC · 1410 Centinela Avenue, Los Angeles, CA 90025-2501, USA Tel: 310 319 1111 · Fax: 310 319 1311 · E-Mail: [email protected] HHB Communications Canada Ltd · 260 King Street East, Toronto, Ontario M5A 4L5, Canada Tel: 416 867 9000 · Fax: 416 867 1080 · E-Mail: [email protected]