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- SERVICING NOTE
- GENERAL
- DISASSEMBLY
- Case and Front Panel Assembly
- Bracket (T), (L) and (R)
- BD Board
- SUB Chassis
- Shutter Assembly
- Over Write Head
- Slider Complete Assembly
- TEST MODE
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- Circuit Boards Location
- Block Diagrams
- Waveforms
- Printed Wiring Board — BD Section
- Schematic Diagram — BD Section
- Schematic Diagram — Main Section
- Printed Wiring Board — Main Section
- Printed Wiring Board — Panel Section
- Schematic Diagram — Panel Section
- Printed Wiring Board — HP Section
- Schematic Diagram — HP Section
- IC Block Diagrams
- IC Pin Functions
- EXPLODED VIEWS
- Case and Main Board Section
- Front Panel Section
- Mechanism Deck Section (1) (MDM - 3A)
- Mechanism Deck Section (2) (MDM - 3A)
- ELECTRICAL PARTS LIST
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This manual is perfect! Just what I needed. Thanks!
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This manual was very clear and complete, the prices can't be beat, great to have older manuals available!
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Doubted for buy this manual as it is my first order here and at not have cover image, I assumed would haven't. However, within 24 hs, already possessed the link to download it. The manual are scanned correctly and have all what is needed. Includes adjustments and diagrams of all circuits. Very satisfied.
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Really good quality, аll readable.! Wonderful work shop. I recommend to all!
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Good quality service manual.The scheme is on A3 format and very readable.Thank you
SECTION 1 SERVICING NOTE
JIG FOR CHECKING BD BOARD WAVEFORM
The special jig (J-2501-124-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be performed are shown as follows. I+3V IOP TEO VC RF : : : : : For measuring IOP (Check the deterioration of the optical pick-up laser) For measuring IOP (Check the deterioration of the optical pick-up laser) TRK error signal (Traverse adjustment) Reference level for checking the signal RF signal (Check jitter)
Mechanism deck VC TEO IOP I + 3V CN110 RF
Jig (J-2501-124-A)
FORCED RESET
The system microprocessor can be reset in the following way. Use these methods when the unit cannot be operated normally due to the overrunning of the microprocessor, etc. Method : Disconnect the power plug, short-circuit the land of RESET.
[MAIN BOARD] (Conductor Side)
CN303 Short land IC401 TP (RESET)
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