Panasonic SJ-MJ88 User Manual

ORDER No.AD0101008C2Portable MD PlayerSJ-MJ88MD unit: RAE1611Z Mechanism SeriesColour(S)...Silver TypeAreasEB...Great

- Check the P.C.B. as shown below.10

5.2. Replacement for the lock unit, open knob and intermediate cabinet- Follow the (Step 1) - (Step 3) of item 5.1.11

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5.3. Replacement for the disc cover ass’y- Follow the (Step 1) - (Step 3) of item 5.1.- Follow the (Step 1) - (Step 3) of item 5.2.15

5.4. Replacement for the traverse motor- Follow the (Step 1) - (Step 3) of item 5.1.16

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SPECIFICATIONSSpecifications AudioSystem:MiniDisc digital audio systemLaser:Semiconductor laser (=780 nm)Sampling frequency:44.1 kHzCoding:Adaptive

5.5. Replacement for the optical pickup- Follow the (Step 1) - (Step 3) of item 5.1.- Follow the (Step 1) - (Step 5) of item 5.4.20

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6. Measurements and AdjustmentsNote:After replacing the main components (optical pickup or traverse motor, etc.) of mechanism unit block, change to th

3. Laser power meter (LE8010 or compatible meter)4. Remote controller6.2. Laser power adjustment, Off-set automatic adjustment, Playback-only disc/mag

Adjustment mode DisplayLaser power adjustment T0EOff-set automatic adjustment T1EMagneto-optical disc automatic adjustment T2EPlayback-only disc autom

- Laser diode in the optical pickup may be destroyed by the static electricity generated in your clothes or body. Be especially careful with the stati

4. Press the key of the remote controller (“LD ” changes to “LP ” of the LCD).5. Set the laser power at 600 W±10% by using VOL+ and VOL- key of th

Panasonic alkaline:About 70 hoursBoth together:About 88 hours ChargerInput:AC120-240 V (EG) / AC 230-240V (EB), 50 Hz 4WOutput:DC 340mA (EG)/DC 350m

Fig. 930

6.2.3. Off-set automatic adjustment1. Remove the mechanism unit from the disc cover. Then move the optical pickup to the center, and attach the mechan

4. Press key (“AOK ” or “ANG ” changes to “T2E ”).5. After the adjustment is finished, remove the disc.6.2.5. Playback-only disc automatic adjustmen

Main unit’s keys LCD display position and lettersAfter the third key is pressed, the second digit displayed will change from “ ” to “O ”.VOL+ After

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- Carrying case...1 pc.(RFC0056-K)For EB area- Charger...

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8. Schematic Diagram Notes8.1. Type Illustration of IC's, Transistors and Diodes41

8.2. Schematic Diagram NotesThis schematic diagram may be modified at any time with the development of new technology.Notes: S201:Volume control swi

Voltage and signal line: Positive voltage line: Playback signal line9. Schematic Diagram10. Printed Circuit Board Diagram11. Block Diagram12. Terminal

Pin No.Mark I/O DivisionFunction1 LDO O LD amp. output terminal2 LDIN I LD amp. reverse input terminal3 APCPD I Photo diode light quantity det. input

24Pin No.Mark I/O DivisionFunction25 ADIP O ADIP signal output terminal26 NC — Not used, open2728 RFSWHL I Reflectance H/L switching signal input term

Pin No.Mark I/O DivisionFunction1 RVDD 3 I Power supply to internal DRAM2 RVDD 18 O Voltage regulator output terminal (Connects to internal DRAM suppl

Pin No.Mark I/O DivisionFunction19 RVDD 1 I Power supply to internal DRAM20 RVSS 2 — GND to internal DRAM21 FODP O Focus drive (+) PWM signal output t

terminal for EFM PLLPin No.Mark I/O DivisionFunction45 ADIP I ADIP signal input terminal46 PEAK I Servo ADC input terminal47 BTOM48 BAT49 GAIRAN50 MON

12.3. IC201 (MN101C32GAE): SYSTEM CONTROLPin No.Mark I/O DivisionFunction1 VREF- — AD reference input (-) (connected to GND)2 (AN0)REM KEYI Remote con

3. Operating Instructions4. Handling Precautions for Traverse DeckThe laser diode in the traverse deck (optical pickup) may break down due to potentia

Pin No.Mark I/O DivisionFunction22 SSDR I Read data input terminal for CPU interface23 SSCLK O Clock output terminal for CPU interface24 BUZZER O Conf

Pin No.Mark I/O DivisionFunction51 BATT CHK LED— Battery check LED drive output terminal (Not used, open)52 JITTER OK— Process inspection output termi

Pin No.Mark I/O DivisionFunction77 PC O 4-ch. driver standby output terminal (L:Standby)78 STBY2 O FD/TR coil power supply control output terminal79BA

Pin No.Mark I/O DivisionFunction1 IN1R I H bridge 1 reverse input terminal2 IN2F I H bridge 2 forward input terminal3 IN2R I H bridge 2 reverse input

Pin No.Mark I/O DivisionFunction18 SPUIN I SPIN detection comparator (U-phase) input terminal19 SPVIN I SPIN detection comparator (V-phase) input term

Pin No.Mark I/O DivisionFunction40 SLVM2 I Stepping power unit’s power supply 241 SLVOUT O Stepping motor (V) output terminal42 SLPG1 — Stepping power

Pin No.Mark I/O DivisionFunction62 H1FOUT O H bridge 1 forward output terminal63 H1PG1 — H bridge 1 power unit’s GND 164 IN1F I H bridge 1 forward inp

- Replacement parts will be supplied for Battery Carrying Case (RFA0475-Q) without Rechargeable Battery Ass’y.- To your customers, delivery Rechargeab

safety.*Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are

Ref. No. Part No. Part Name & Description Pcs Remarks13-5 RMX0156-1 STOPPER RUBBER 114 RJR0195-2 BATTERY SHAFT 115 RAF2000A-M OPTICAL PICKUP 1 1

Fig. 1Fig. 24.2. Grounding for electrostatic breakdown prevention1. Human body grounding6

Ref. No. Part No. Part Name & Description Pcs RemarksC308 ECUENA104KBQ 10V 0.1U 1 F1G1A104A014C309-11 ECUENC333KBQ 16V 0.033U 3 F1G1C333A004C318 E

Ref. No. Part No. Part Name & Description Pcs RemarksPCB1 REP3063A-M MAIN P.C.B.ASS’Y 1 (RTL)Q1 2SB1295-6-TB TRANSISTOR 1 B1ADKB000001Q5 XP152A12C

Ref. No. Part No. Part Name & Description Pcs RemarksR507 EXB24V100JX 1/16W 10 1R509 ERJ2GEJ221X 1/4W 220 1 ERJ2RMJ221XR512 ERJ3GEYJ225V 1/16W 2.2

Use the anti-static wrist strap to discharge the static electricity from your body. (as shown in Fig. 3 )2. Work table groundingPut a conductive mater

5. Operation Checks and Component Replacement Procedures- This section describes procedures for checking the operation of the major printed circuit bo

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