Dicas Reparação
Modelo - Chassis STRAV770X
Pesquisa: STRAV770X Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV770X | UNIT WILL NOT TURN OFF/NO REMOTE RESPONSE - REPL D202 | Unit remained on after pressing power switch. Also, remotewould not turn off unit. | ||
| Sony | STRAV770X | RT. CHANNEL LEVEL METER LOW - C660 CHANGED VALUE | Unit had low level display of right channel signal, althoughsignal was OK. Input to IC602 pin 5 was normal but pin 7 had significantlylower output than pin 1 (left out). IC did not resolve problem. | ||
| Sony | STRAV770X | INCORRECT ORIENTATION OF CNP801 ON STANDBY BOARD | The Standby Boards received from WRPC have differentorientations on CNP801. Which orientation is correct? | ||
| Sony | STRAV770X | UNIT INOPERATIVE - Q812 FAULTY, 8-729-119-79 | The unit was inoperative, it would not come on at all. | ||
| Sony | STRAV770X | NO AUDIO OUTPUT - F852 & F851 FAULTY, CNB731 SHORTED | Fuses F852 and 851 would blow when the speaker selector switchwas turned to the off position. I found +20 volts on the surround relaylines of CNB731 on the surround Amp Board. Upon further inspection, Ifound B+ and surround relay line of CNP732 shorted | ||
| Sony | STRAV770X | TAPE MONITOR LIGHT ALWAYS LIT - RESOLDER IC502 ON MAIN BOARD | When unit is powered up, the tape monitor light stays onconstantly. | ||
| Sony | STRAV770X | BALANCE IS UNEQUAL BETWEEN CHANNELS - IC631, 8-759-634-58 | Balance between left and right channels was off after input,but before adaptor plugs. Traced problem to IC-631 on Tone board. | ||
| Sony | STRAV770X | DRLC MAIN APPEARS ON DISPLAY - NO AUDIO, REPLACE IC502 | DRLC Main appears on display even when the unit is turned off.This results in no audio. | ||
| Sony | STRAV770X | BUZZ NOISE IN SURROUND CHANNEL | Servicer verified complaint of buzz noise in Surround. Hecould measure 60mVpp of spikey signal on speaker output with volumeminimum and 12OmV at volume 12 o'clock. Replaced IC-731 with no help.Noted that simulated mode was worse. | ||
| Sony | STRAV770X | NO AM AUTO STOP WHILE SCANNING - ADJUST RV-22 (CORRECTION 2) | AM keeps scanning. | ||
| Sony | STRAV770X | DISTORTION IN SURROUND MODES | Considerable amount of distortion in all modes of surround. | ||
| Sony | STRAV770X | UNIT TURNS ON BUT NO AUDIO AND NO DISPLAY | Unit is on with no audio and no display. B+ and B- are ok. |