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There are currently no product reviews.
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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!
IF INITIAL READING IS NOT CARRIED OUT (WITH DISC)
Does disc motor Rotate? YES Is HF waveform output? IC401 pin22 Does PN404 pin2 voltage change when open/close? YES NO Is IC400 pin38 voltage transmitted?
3V
NO
CN401 connector defective.
NO IC400 Defective.
0V
YES Check the change of SL +, SL - Voltage. (IC802 pin 13, 14)
1.2V 0V 0.8V
NO
IC402 Defective.
YES PICK-UP defective.
Does laser light? YES Is FA+ waveform output at IC402 pin3? focus coil drive wareform. YES Is TE waveform output at IC401 pin11? TRACKING ERROR wareform. YES Is rotation normal?
NO
A
YES Is HF signal normal without dropout? YES
IC401 defective. PICK-UP defective.
NO
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