Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1943R | BLANKING - VERT PROBLEMS, REPLACED C529 | Set was stretched on bottom three inches of screen. The topfour inches were fine but there was a black vertical bar that was aboutone inch wide on the left and widened to three inches on the right side.It was blacked out in this one area only. Adjustin | ||
| Sony | MLV1100 | SERVICE MANUAL CORRECTION | No audio output. I found out that the S/M and the unit aretotally different. For example, on the S/M audio output IC has 14 pinsbut looking at it I can have only 12 pins. | ||
| Sony | STRVX4 | MISSING PART NUMBER - C803 | I need the part numbers for the filter caps designated C803,C804 in the service manual. See Page 35 Section Q4. They filter thebridge diodes output. I have a unit S/N 860295 which had both capacitorsexhibit leakage on the main power board. Sample inc | ||
| Sony | KV1554R | SMOKING R613 | As soon as master power switch S901 was turned on, R613 wouldsmoke. TV also would not start up when power switch S001 was pushed.Bridging RY601 contacts stopped resistor from smoking, and set appearedto work normally. | ||
| Sony | XRM10 | ERRORS IN MOUNTING DIAGRAMS OF SERVICE MANUAL | Page 17 (former type) and Page 29 (new type) have numerouswire label errors and wiring errors. I noticed these when recently I hadto reconstruct a burned out wire bundle. See attached sheet. Note thatCNJ321 (I have labeled it for its jack color) can b | ||
| Sony | KV1916 | BOARD SHOWING WRONG DIRECTION FOR A DIODE | Set came in damaged by lightening. Audio circuit was wipedout so servicer replaced all components in audio circuit. After finishingvolume was wide open and would not turn down. | ||
| Sony | KV25XBR | NO SOUND, REPLACED IC103 | No sound when in the TV mode, found no switching (high, low)on IC103, Pins 36 and 37. | ||
| Sony | KV2657R | VERTICAL ROLLING | After set warms up (approx. 1 to 2 hours), set would havevertical problems, rolling and eventually vertical collapse. | ||
| Sony | BMC220 | TENSION REGULATOR ARM P/N | Need part # for tension regulator arm shown on page 100 ofS/M. -HQ COMMENTS: Part number is X-3681-493-2. This information is coveredin S/B 221 (12/6/85). | ||
| Sony | KV25XBR | NO RASTER - LOCKED IN SLEEP MODE AND RGB MODE | No raster, set locked in sleep mode and RGB mode. | ||
| Sony | KV2680R | VERTICAL JITTER WHEN HOOKED UP TO SATELLITE, SHORT R-859 | Vertical jitter when hooked up to a satellite. | ||
| Sony | KV1747R | NO TUNING | No tuning. -HQ COMMENTS: We sent you the area waveforms which should be helpfulin troubleshooting. You should be getting sinewave W at Pin 1/CP003from local oscillator in the tuner. Its amplitude should approx. 70mV.It gets amplified by IC006 to 0.7Vp | ||
| Sony | TAAX205 | WRONG PART NUMBER - IC301 | Wrong part number for STK4191 in S/M, should be 8-749-941-91. -HQ COMMENTS: We will issue a S/B. | ||
| Sony | SL5000 | DRUM OR CAPSTAN SERVO INSTABILITY | A large number of the 5000 series Betamax using the solidelectrolytic capacitors in servo circuits are having problem. The mostcommon failures are C007/C008/C010/C011/C016/C044/C050/C054/C063 on SS-9board. | ||
| Sony | SL8200 | AC MOTOR | The AC motor became very noisy. Replaced it with the oneP/N 8-839-018-00. This AC motor was turning backwards. P/N 8-839-018-00is replaced by 8-839-018-10. P/N A-6737-079-A fixed the problem. TheP/N from S/B No. 14 could also be used. -HQ COMMENTS: |