Dicas Reparação
Modelo - Chassis STRAV920
Pesquisa: STRAV920 Enviar Dica Resolvida
Resultados 22
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV920 | NO AUDIO - RE-CONNECTED VOLUME/BALANCE BOARD | No audio out, found that the volume board was not fullyplugged in to volume balance board. | ||
| Sony | STRAV920 | ONE CHANNEL DISTORTED - IC701 DEFECTIVE. | Left channel has no signal. I found IC701 defective, R754and R704 getting hot. | ||
| Sony | STRAV920 | DISPLAY OUT BUT OPERATION OK - FAULTY SOLDER R202,203,242 | The unit had no display, however, operation was normal.Tapping around the left front part of the unit caused the display toflash. | ||
| Sony | STRAV920 | STATIC ON RIGHT CHANNEL | Unit makes a popping noise when switching functions and a lotof static on right channel. | ||
| Sony | STRAV920 | SEVERAL FUNCTION KEYS DO NOT OPERATE | Keys in row would not operate Video 2, Tuner, 6, 5, 4 andEqualizer. Also DRLC would not operate in any mode. | ||
| Sony | STRAV920 | PROTECTOR ON | Protector on after resoldering connections on rear board(IC-731 and IC-781 legs). | ||
| Sony | STRAV920 | UNIT IN PROTECTION | Pin 47 IC-502 (Protection In) should be +5 volts. Measuredline voltage is 1.5 volts. Lifting pin voltage on pin remains 1.5 volts. | ||
| Sony | STRAV920 | OUTPUT TRANSISTORS SHORTING | The output transistors shorting collector to ground. This isdue to a combination of a paper insulator and the metal tab of thetransistor (collector case) ripping the paper and shorting to ground.This has been attributed to overtightening of the mounting | ||
| Sony | STRAV920 | ONE CHANNEL INTERMITTENT | One channel plays intermittently. | ||
| Sony | STRAV920 | DRLC DOES NOT TURN OFF | DRLC does not function and unit does not function correctly. | ||
| Sony | STRAV920 | SURROUND SOUND SHUTS DOWN ON LEFT CHANNEL | The left channel of the surround sound amplifier would quitafter about 10 minutes of operation. The output IC (IC-731) was runningvery hot. We found the problem to be caused by an open decoupling capaci-tor C-739. | ||
| Sony | STRAV920 | PROTECT LIGHT COMES ON INTERMITTENTLY - NO AUDIO | Protection light would come on at times - no audio. | ||
| Sony | STRAV920 | INCORRECT PART NUMBER Q-755 AND Q-756 | Part numbers for these transistors are incorrect in theservice manual. Part numbers in the service manual are for STRAV-910.STRAV-920 uses 2SC3856 and 2SA1492. Please advise correct part numbersfor these parts or confirm that STRAV-910 parts are correc | ||
| Sony | STRAV920 | NO AUDIO OR STATIC IN DRLC CIRCUIT/SURROUND CIRCUIT | The past week I have seen a few units with the same problem.Unit may be intermittent. Rear channels - static in rear or unit is inprotection. These problems are caused by open solder connection on therear output ICs - May have caused the IC to short. | ||
| Sony | STRAV920 | RECEIVERS OUTPUTS DAMAGED AT INITIAL TURNON | Dealer unpacked units to put on display. At initial turn on,units outputs were damaged. Technician found burrs around screwholes where output transistors attach to heatsink, this made a hole in theinsulator and short collector to ground. |