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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
There are currently no product reviews.
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
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Very clear copy of the philips service manual. Fast delivery. Thank you very much
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Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
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Clear and complete service manual. Easy now to restore my old Kenwood KD-1500.
Thanks a lot.
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)
—5—
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