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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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AVR-1905 Denon receiver amp fooled me
Symptom: does not switch on. Will switch on unpredictably once every
50 tries. Digital 5volts is always available. Clock oscillator can be observed at the syscons pins only if other vertical boards are plugged in. Grounds for digital and analogue seem to be floating. Display may either be blank or have some leds glowing. The first time i powered up it worked. I gave an estimate. Now i'm fooled. Ever since then it switched on just once. Help. What role does the 6ch input board play in the syscons clock oscillator (a 12 Mhz 3 legged ceramic resonnator). Jango |
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