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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.
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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
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Excellent quality on these manuals. Same as having the original printed manual and incredibly useful when doing a custom install like me. Keep it up on the good work.
Power Amplifier TROUBLESHOOTING
SYMPTOM No audio (POWER LED is off) No audio (PROTECT LED flashes every 4 sec.) No audio (PROTECT LED is on) LIKELY CAUSE No voltage at BATT+ or REM terminals, or bad or no ground connection DC voltage on amplifier output SOLUTION Check voltages at amplifier terminals with VOM Amplifier may need service; see enclosed warranty card for service information Make sure amplifier cooling is not blocked at mounting location; verify speaker-system impedance is within specified limits (see �Specifications� on the next page) Check vehicle charging system for defective voltage regulator Check INPUT LEVEL setting; see previous page Check vehicle charging system for defective voltage Check INPUT LEVEL setting; or check speaker wires for shorts or grounds Remove speaker leads one at a time to locate shorted speaker or wire, then repair Check speaker connections for proper polarity
PX300.4
Amplifier is overheated
No audio (PROTECT and POWER LEDs flash) I-E/OPT LED is on all times (not flashing) No audio (PROTECT LED is on) Distorted audio
Voltage less than 9V on BATT+ connection
Amplifier is being overdriven Voltage more than 16V or less than 8.5V on BATT+ connection regulator Input sensitivity is not set properly, or amplifier or source unit is defective Short circuit in speaker or wire
Distorted audio and PROTECT LED flashes Music lacks �punch�
Speakers are not connected properly
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