Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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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 | HST201 | VOLUME GOES UP BY ITSELF AND TAPE DECK IS INOPERABLE | Volume goes up by itself as soon as unit is turned on and tapedeck is inoperable. Found C-910 open. | ||
| Sony | KV27XBR95S | FUSE INSIDE SPEAKER BOX PART NUMBER, 1-518-645-11 | Part number for the fuse (lamp) inside the speaker box ismissing from the service manual. -HQ COMMENTS: The part number is 1-518-645-11. | ||
| Sony | SPP57 | NO RECEIVE IN HANDSET | Handset did not receive in either channel. Found neithercrystal to be vibrating so proceeded to check IC-601. IC-601/pins 1 and2 ohmed at 31K and seemed low. Also applies to serial numbers 241446 and62480. | ||
| Sony | KPR53XBR15 | SPOT ON THE PHOSPHOR OF THE CRT, OPEN R-898 (N BOARD) | Spot on the CRT Phosphor. | ||
| Sony | KPR53EXR15 | SPOT ON THE PHOSPHOR OF THE CRT, OPEN R-898 (N BOARD) | Spot on the CRT phosphor. | ||
| Sony | KPR46XBR15 | SPOT ON THE PHOSPHOR OF THE CRT, OPEN R-898 (N BOARD) | Spot on the CRT Phosphor. | ||
| Sony | KPR46EXR15 | SPOT ON THE PHOSPHOR OF THE CRT, OPEN R-898 (N BOARD) | Spot on the CRT phosphor. | ||
| Sony | KR41EXR95 | SPOT ON THE PHOSPHOR OF THE CRT, OPEN R-898 (N BOARD) | Spot on the CRT Phosphor. | ||
| Sony | SPP57 | NO TALK | Base wouldn't receive. This problem was caused by IC-2 beingdefective, therefore, preventing the RF signal from being demodulated andpassed to next stage. Voltages were low on IC-2/pins 1 and 2. Alsopertains to serial number 24919. | ||
| Sony | SPP57 | RANGE DEFECT | Unit had severe range distortion. B & K analyzer proved thattramsmit and receive were weak in handset. After further investigation, Ifound L-601 was cold soldered (could pull one lead out of board). Thisprevented RF signal from using the antenna for t | ||
| Sony | SPP57 | DISTORTED AUDIO | Unit had distorted audio and also a range problem. Tracedproblem to a cold solder L-602 which was not even through the board. Alsopertains to serial numbers 55764 and 24275. | ||
| Sony | SPP75 | NO TONE DIAL OR NO MICROPHONE | Unit would not tone dial and no microphone out to telco.checked pin 22 of IC-1 and found side tone signal traces through pin 26 ofIC-1 down to R-320. Found R-320 open. Also pertains to serial numbers1351970 and 1086517. | ||
| Sony | KPR53EX35 | SPOTS ON CRTS, OPEN R-519 | Spot on the phosphor of all three CRTs. | ||
| Sony | KPR53EX30 | SPOTS ON THE CRT'S, OPEN R-519 | Spot on the phosphor of all three CRTs. |