Dicas Reparação
Modelo - Chassis
Pesquisa: Enviar Dica Resolvida
Resultados 81378
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF45 | INTERMITTENT OPEN PS503 | The CCDF45 was intermittently blowing PS503, similar but notexactly the same as bulletin 164. | ||
| Sony | KPR53XBR15 | DISTORTED AUDIO AFTER 20 MINUTES, REPLACED THE X3 BOARD | It was intermittent after about twenty minutes and audio wasdistorted in both channels. | ||
| Sony | KPR46XBR15 | LOSING PICTURE AND SOUND, REPLACED THE TUNER | On the main picture, there is intermittent video and audio. | ||
| Sony | KPR46CX25 | REGISTRATION DRIFT, REPLACED Q551, AND Q552 | A technician in Costa Mesa informed me of three sets that hehas been repairing in the last several months because of a convergencedrift. Depending on on which color drifts, red, green or blue (Q551/Q552for red, Q553/Q554 for green, Q555/Q556 for blue) t | ||
| Sony | SPPA60 | UNIT GRABS A LINE AS SOON AS POWERED UP - CHANGE Q-9. | The unit would grab the line as soon as the power wassupplied. I checked the voltage at the base of Q9 and found it was0 volts then I checked the voltage on the collector of Q9 and found it wasalso 0 volts. I found Q9 to have a short from emitter to co | ||
| Sony | ITD10 | LOW DIAL TONE ON THE SPEAKERPHONE - REFLOW C-347 | The unit had a low dial tone on the speakerphone. I foundC347 was cold soldered. | ||
| Sony | SPP57 | NO RING NOR PAGE - REPLACE SW-501, P/N 1-571-377-11 | The unit would not ring or page. I found SW501 was always inan off position no matter what position the switch was in. | ||
| Sony | SPP57 | NO LINE LED - REPLACE D-9, P/N 8-719-029-97 | The unit would grab a line, but line LED would not light. D9(Line LED) had proper voltage to light. Eventually, I found D9 was open. | ||
| Sony | SPPA20 | HANDSET DID NOT RECEIVE - REPLACE FT502, P/N 1-239-459-11 | The handset did not receive. I found FT502 was open. | ||
| Sony | SPP75 | NO TALK- ERROR BEEPS - REPLACE Q-551, P/N 8-729-821-27 | When the talk button was pressed on the handset, the unitwould not scan through the channel LED's but LED 1 and 2 would blink alongwith five error beeps. The handset was not transmitting during the test.I found Q551 open which is the TX switch to supply | ||
| Sony | SPP95 | NO TALK- ERROR BEEPS - REPLACE Q-551, P/N 8-729-821-27 | When the talk button is pressed on the handset, the unit wouldnot scan through the channel LED's but LED 1 and 2 would blink along withfive error beeps. The handset was not transmitting while in test. Ifound Q551 to be open which is the TX switch to su | ||
| Sony | ITD200 | NO TONE DIAL - REFLOW C-334 | The unit would not tone dial. I found C334 open (coldsoldered). | ||
| Sony | CDPC315 | INTERMITTENT OPEN AND NO OPEN DISK SKIP (RESOLDER M701) | The unit intermittently opened, and there was no disk skip.Upon diagnosis of unit, I found a cold solder joint on the negativeterminal of the table motor M701. | ||
| 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 | SPP85 | NO TALK/ERROR BEEPS - REPLACE Q-551, P/N 8-729-821-27 | When the talk button was pressed on the handset, the unitwould not scan through the channed LED's but LED 1 and 2 would blink alongwith five error beeps. The handset was not transmitting while in test. Ifound Q551 to be open, which is the TX switch to |