Dicas Reparação
Modelo - Chassis STRAV1010
Pesquisa: STRAV1010 Enviar Dica Resolvida
Resultados 11
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV1010 | INOPERABLE - NO RELAY CLICK | Inoperative and no relay click. Found input transformerT-901 open (part number 1-448-517-21). Unit still is inoperable. Foundstop line low. Pulled plug and stop normal at power PCB. Traced short tostop pin at IC-404. Lifted pin and unit worked. | ||
| Sony | STRAV1010 | NO POWER, UNIT DEAD | Keeps blowing fuses F-801 and F-802 when plugged in andpowered on. Driver transistors Q-765 and Q-766 in output stage defective.Checked B+ and B- but all the transistors in the circuit turned out ok. | ||
| Sony | STRAV1010 | NO SURROUND OUTPUT | No surround sound output. The technician replaced, IC-658,same input on pin No. 3 no output on pin No. 6. | ||
| Sony | STRAV1010 | LOW LEVEL HUM | Low level hum. Also pertains to serial numbers 807558 and804110. | ||
| Sony | STRAV1010 | DISTORTED AUDIO IN ONE CHANNEL | Unit had distorted audio in one channel only after about twohours of undisturbed playing (any source input). Problem was mostnoticeable in dolby and hall but was there in all modes. Found R-581 atthe input to the dolby board was not installed at the fa | ||
| Sony | STRAV1010 | ERROR IN SCHEMATIC AND PARTS LIST FOR Q-721 | The schematic and the parts list show this transistor as aPNP, 2SA1841. In reality this is an NPN, 2SC-1841 in the set. Pleaseexplain is this an error and should a correction be made? -HQ COMMENTS: The service manual has a misprint. If you reference | ||
| Sony | STRAV1010 | HI-FI SERVICE BULLETIN NO. 118 NEEDS CLARIFICATION | Hi-Fi service bulletin No. 118 needs clarification. Themeasurement conditions need to be more clearly defined. We do need ameans of checking relative surround sound levels. -HQ COMMENTS: The signal to be fed into the CD input would come from anaudio s | ||
| Sony | STRAV1010 | MISSING ADJUSTMENT PROCEDURES FOR AMP BIAS CURRENT | The service manual has no adjustment procedures. I referredto Supp.#1 for STR-AV1000 and it says 0.01mV within 30 seconds after poweris turned on, equalling 100uA bias current. The STR-AV920/1020 S/M says4mV within 30 seconds after the power is turned | ||
| Sony | STRAV1010 | NO SURROUND OUTPUT OR LOW SURROUND OUTPUT | Customer complains of no output from the rear surround outputsor low output. Other complaint is that the surround output varries inlevel. Sometimes there is much output and other times during same programthere is no output. -HQ COMMENTS: The output to | ||
| Sony | STRAV1010 | NO VOLUME IN SURROUND SPEAKERS | Actually, when stereo signal applied to CD or other inputs,surround speakers worked. FM not going into stereo mode. Mono FM causedno sound in surround speakers on all modes except simulated. FM mono dis-tortion level very high. | ||
| Sony | STRAV1010 | PART NUMBER FOR TOP CABINET STRAV910/1010 | Part number is missing from manual/retrieved from Tokyo. Thepart number is 4-925-039-11. |