Dicas Reparação
Modelo - Chassis KV2681R
Pesquisa: KV2681R Enviar Dica Resolvida
Resultados 7
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2681R | IC-301 CHIP SUBSTITUTION, CX-20129 TO CX-20193 | The original IC-301: CX20129, part number 8-752-012-90 wastemporarily not available. Tried using CX20193 but picture was rollingvertically. Can this chip be used as a substitute? References: Seeservice bulletin CTV0236 and 24. -HQ COMMENTS: When usin | ||
| Sony | KV2681R | IC-301 SUB., SEE SB CTV0236 AND TVP0025 | When replacing IC-301, the substitute part does not work. -HQ COMMENTS: We have two service bulletins which pertain to the above.Please refer to service bulletin No. CTV0236 and TVP0025 (CSV-1). | ||
| Sony | KV2681R | SET LOCK UP AT TURN ON, REPLACE R-611 ON A BOARD | Set would turn on and off at power switch only. No otherfunction would work. On the X board the only problem that we could findwas no clock on VIP chip IC031. Chip and crystal had been replaced. | ||
| Sony | KV2681R | NO SOUND, REPLACE T-1104 ON X BOARD | Set had no sound. After considerable time spent in tryingto isolate defective part, I determined T1104 had to be open. Bridgingit with a 0.05 capacitor restored sound. By the way, it was very diffi-cult to trace audio to determine where the problem wa | ||
| Sony | KV2681R | DEAD, RESOLDER T-501G | Dead. Set does not turn on at all. No signal at base ofhoriz. out. Q504. However, there is signal at Q503 collector. | ||
| Sony | KV2681R | NO RASTER/SOUND, HI VOLTAGE OK, LEAKY C-049 ON X BOARD | Set could be turned on, H.V. would come on but no raster, nosound. Found no reset at Pin 18 of IC031 on X board. This is thesecond set I have worked on with this problem and the same part wasdefective. | ||
| Sony | KV2681R | DEAD, REPLACE T-501 AND Q-504 | Unit was dead due to one leg of T501 was shorted to groundwhich in turn took out the H. output transistor. |