Dicas Reparação
Modelo - Chassis STRAV1020
Pesquisa: STRAV1020 Enviar Dica Resolvida
Resultados 20
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV1020 | ONE CHANNEL NO AUDIO - REPLACED -12V REGULATOR IC881 | Unit arrived with one channel dead. IC701 was defective.Replacing the IC didnt fix the problem. Found IC881 was oscillating. | ||
| Sony | STRAV1020 | GOES INTO PROTECT, REAR CH ONLY PLAYS ONE CH - RESLDR SUR IC | Going into protect. I feel the grounds on the stereo werethe problem. The problem of the surround was the surround amp IC had ringcracks. Display out. | ||
| Sony | STRAV1020 | IT HAS NO DISPLAY, NO POWER RELAY - Q812 SHORTED | On power supply board, Q812 shorted. Unit has no display,relay won't kick on. | ||
| Sony | STRAV1020 | WITH POWER ON, DISPLAY SHOWS DRLC, L501 FAULTY, 1-410-521-11 | This is the second time the unit has been in with the sameproblem. Last time, I replaced the system control IC502 and it came backafter a month. After the power is on, nothing works except the DRLCdisplay. | ||
| Sony | STRAV1020 | INTERMITTENT PROTECT CIRCUIT - FAULTY SOLDER CONNECTION | Unit would intermittently go into protect mode. Also appliesto serial number 815336. This has happened with 20 units. | ||
| Sony | STRAV1020 | REPLACEMENT PART FOR TUNER BOARD HAS DIFFERENT CONNECTORS | The Tuner Board received from KCP has different connectortypes for CNJ1, CNJ2 and CNJ4. The old type Tuner board has femalepush-in type connectors which connect to the male push-in type connectorson the Main PCB. The new type Tuner board received from | ||
| Sony | STRAV1020 | TUNER BLEED THROUGH | Tuner bleed through while listening to another source (ie, CD,DAT, Phono, Tape). This is most noticeable during a quiet passage or be-tween tracks when the volume is at a high level. The problem appears tobe IC-606 and IC-607, the analog switch LC-7822 | ||
| Sony | STRAV1020 | NO SURROUND OUTPUT AT ALL; A AND B OK | Had signal going to IC-504, nothing coming out. | ||
| Sony | STRAV1020 | UNIT IN PROTECT MODE | Unit in protect mode. | ||
| Sony | STRAV1020 | OPENS 5.15A FUSES INTERMITTENTLY - NO AUDIO OUT | Unit came in with all front panel lights lit and no audio.Replaced F-852 - 851 unit played for two days and fuses opened again. | ||
| Sony | STRAV1020 | LEFT CHANNEL DISTORTED AT HIGHER VOLUME | Left channel distorted only at higher volume. Found thatRT-701 bias control had no response on bias adjustment at all. Checkingfound that R-713 10 Ohm resistor was open. | ||
| Sony | STRAV1020 | NO SOUND OUT EXCEPT IN DOLBY MODE | The unit would only pass sound out in dolby mode. Found thatQ-327 collector was not switching even though its base was. Original partwas a 2SC3400 the parts list listed a DTC124ES for Q-327. Put in newtransistor did not help. Then replaced Q-328, IC- | ||
| Sony | STRAV1020 | UNIT IN PROTECT MODE | Unit was in Protect Mode. IC-731 was found shorted and wasreplaced. This did not restore operation. The protect circuittransistors, Q-721, Q-722 and Q-723 were also all shorted. | ||
| Sony | STRAV1020 | RECEIVERS OUTPUTS DAMAGED AT INITIAL TURN ON | 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 inthe insulator and short collector to ground. | ||
| Sony | STRAV1020 | LOW LEVEL BUZZ IN AUDIO | Low level buzz in one channel that appeared and disappeared asvolume control was turned up. Was not present at maximum volumeunaffected by balance control. Sounded like a ground problem. |