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Detailed schematic diagram, manual for professionals
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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!
TROUBLESHOOTING
2. SYSTEM CIRCUIT
A. LED DISPLAY
No LED display.
Is 5V obtained at IC701 pin # 9, 25? YES
NO Check L703, pin#6 of PJ701
NO Oscillation at IC701 pin #1? Exchange IC701.
YES NO
Is there KEY/SEG signal?
Check PCB
YES NO KEY output at PORT of IC701? Check IC 701 pin #6, 7, 8
YES NO SEG output at PORT of IC701? Check IC 701 pin # 10-12,14,15
Exchange IC701.
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