Dicas Reparação
Modelo - Chassis STRAV460
Pesquisa: STRAV460 Enviar Dica Resolvida
Resultados 11
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV460 | 60HZ HUM ON FM ONLY | 60Hz hum on FM only. Q-804 was shorted. In addition, D-811which is a zener on the base of Q-804 was shorted on this unit. | ||
| Sony | STRAV460 | REMOTE REPLACEMENT | Customer wants replacement for RM-S760 remote. These unitsare no longer available. Is there a replacement for this model? -HQ COMMENTS: The replacement is RM-S520. The part number isA-4372-026-A. | ||
| Sony | STRAV460 | EVERY SEGMENT OF THE DISPLAY LIGHTS AT ONCE | Customer complained of intermittently every segment in displaywould light up at turn on. No functions would work. Turning on/off wouldclear it up. | ||
| Sony | STRAV460 | NO OUTPUT WHEN IN TUNER MODE/NO STATION MEMORY | All functions worked except no audio output when in tunermode. Unit would tune all stations but stereo indicator never came on.Found Pin 15 IC202 (MPX) was about 2.5V all times. Lifted D204 and audiocame up and stereo indication returned. Found IC301 | ||
| Sony | STRAV460 | VOLUME CHANGES ARE NOT LINEAR | Volume changes are erratic and jumpy when trying to changelevels with volume controls. Tried changing IC601 to no avail. All otheroperations are OK. I have seen similar problems on model TA-AX520amplifiers also. This is a constant problem. -HQ COMME | ||
| Sony | STRAV460 | NO AM/FM | Customer complained of intermittent AM-FM. Unit had no AM-FMwhen examined. | ||
| Sony | STRAV460 | NO DISPLAY, NO SOUND; ONLY STANDBY LED ON | IC301 could not be reset. | ||
| Sony | STRAV460 | TV INTERFERENCE | The unit would produce TV interference between the time whensystem power was applied and the speaker relay engaged. This was pickedup by units several feet away. | ||
| Sony | STRAV460 | PREMATURE SHUTDOWN | Normal operation at low volume, protection operates at 20dBlevel. Memory disappears. C801 leaked electrolyte onto PCB. | ||
| Sony | STRAV460 | PART # IS IN ERROR | Part # listed in service manual on page 56 is in error.Should be 8-749-940-36. At the present time KC NPC is not substitutingcorrect P/N and servicer is being told that this is an invalid part #. -HQ COMMENTS: The P/N in S/M is incorrect as you pointed | ||
| Sony | STRAV460 | BACKGROUND NOISE | In FM mode after 45 to 90 minutes there is excessive back-ground noise. Also, the sensitivity seems to have decreased. -HQ COMMENTS: If the problem is in the FM, I would suggest you wouldheat-test Q101 RF amp. Also check the transistor mechanically, o |