Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDXR7 | INCORRECT PART NUMBER FOR IC351 | Schematic correct, page 47 (IC351) incorrect, page 50 (IC351)correct. INCORRECT PART CORRECT PART 8-759-200-47 8-759-203-91 TC40H365P TC40H365F -HQ COMMENTS: A S/B is being issued. | ||
| Sony | KV8100 | P/N MISSING FOR CHANNEL SWITHCES | Customer wants to replace channel switches. Schematic showsRef. #does not list parts. -HQ COMMENTS: The P/N for S2201-S2214 switches is 1-553-329-00 (see CTVS/B 146). | ||
| Sony | KV1920 | EXCESSIVE HIGH VOLTAGE | Excessive high voltage. | ||
| Sony | STRAV360 | WRONG P/N FOR PLL CHIP | Wrong P/N in manual for PLL chip (CX7925/CX7925B). | ||
| Sony | SLHF900 | P/N FOR UPPER REAR PANEL | We ordered Ref. #76 and received the UV ant. switch, we alsoassumed the block cosmetic plastic panel would come with it (it didnWe located a part # from the damaged plate which is 3-691-780-00 whichisn -HQ COMMENTS: The part number you seek is 3-691-782 | ||
| Sony | STP7J | RESET PROBLEMS | When powered on, sometimes display is messed up. ResettingIC603, Pin 7 would restore operation. | ||
| Sony | ITA500 | RING LEVEL | Customer complains that ring level is too low. This is thesecond complaint on this unit. | ||
| Sony | ITA600 | LOCK-UP OF PHONE LINE CAUSED BY ITA-600 | Unit passed all telephone analyzer tests. However, whenconnected to the phone line, intermittent lock-up occurred, i.e. phonegave busy signal and other phones on the same line could not be used. Ahigh pitch whistle was heard and no dial tone was presen | ||
| Sony | EVC8U | DISTORTED VIDEO | Video looked very cloudy - no high freq. | ||
| Sony | KV25XBR | DEAD | RGB and sleep light on, power up and would shut down. Usinglowered line voltage set would run. Looked at H. out and found ringingwaveform. Found one of damper diodes with very high leakage. | ||
| Sony | KX2501 | H SQUEAL AND MISCONVERGENCE, REPLACED HVR AND L504 | Unit had H squeal. Also, found when unit was cold, it hadmisconvergence on edges of CRT. After the unit warmed up, convergence wasOK. | ||
| Sony | KV2649RX | SNOWY PICTURE, NO CHANNEL LIGHT, REPLACED HPT | High band good, no low band or cable. No channel readout.Found had no -30 volts, HPT open. | ||
| Sony | CCDM8U | NO COLOR DURING RECORDING | The recording contained no color. Found problem caused by nosubcarrier clock input at pin 17 of the ED-11 board. Traced problem to apoor solder connection at IC771 on the VC-4 board. Resoldering the pinsrestored normal operation. When camera section | ||
| Sony | SLHF550 | AUDIO LINE OUTPUTS LOW IN NORMAL E-E MODE | The audio line outputs were down 15dB in the normal E-E mode.We found the problem to be caused by a defective IC501 on the SA-10 board. | ||
| Sony | SLHFR30 | INTERMITTENT LOSS OF VERTICAL SYNC | Critical or intermittent vert sync. |