Dicas Reparação
Modelo - Chassis KV2145R
Pesquisa: KV2145R Enviar Dica Resolvida
Resultados 22
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2145R | DARK PICTURE, RESOLDER R054 | Raster goes dark with sound bars, sound normal, then normalpicture jumps back. Found R054 mounted on the print side, cold soldered. | ||
| Sony | KV2145R | H TEARING & FLASHING, RESOLDER ANODE LEAD | R067 on MF board overheats. Noticed intermittent horizontaltearing and flashing across screen. Found anode lead which is a plug intype, was not making firm contact. | ||
| Sony | KV2145R | NO VIDEO/SOUND, REPLACED PRESCALER | No video - no sound. | ||
| Sony | KV2145R | DARK PICTURE, REPLACED BRT CONTROL | Unit loses brightness (goes black) intermittently. VoltageOK, TP49 goes low whenever problem occurred. Found brightness controlshorting to its case. | ||
| Sony | KV2145R | NO PICTURE, FBT | Set kept shorting out the horizontal output transistor. | ||
| Sony | KV2145R | NO SOUND, BROKEN LEAD ON OUTPUT TRANSFORMER | No sound. Inspection revealed broken wire from secondaryof sound output transformer to solder lug, right at the lug. | ||
| Sony | KV2145R | NO VHF, BT981 PRESCALER | No VHF low and high band, very intermittent. |