Dicas Reparação
Modelo - Chassis KV20HFR
Pesquisa: KV20HFR Enviar Dica Resolvida
Resultados 4
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV20HFR | NO CHARACTER DISPLAY/PICTURE IS NORMAL, REPLACE C-135 | No osc on pin 48 and pin 49. Replaced IC-101 and Q-114.Still no osc and pin 50 of IC-101 was 2.8V instead of 5.4V. Scopedvertical pulse back and found poor signal to Q-114 via C-135. Found C-135open. | ||
| Sony | KV20HFR | DISPLAYED ONE CHANNEL ONLY, REPLACE IC-501 | The unit displayed one channel only and when you changedchannels, you loose all channels. | ||
| Sony | KV20HFR | MISSING PART NUMBER, SONY EMBLEM 4-374-115-01 | Is a part number available for the (Sony) emblem, glued to thebezel assembly? -HQ COMMENTS: The part number for the Sony emblem for the KV-2080R is4-374-115-01. | ||
| Sony | KV20HFR | SHUTDOWN, REPLACE REG IC681 | After warm up 20 min. unit would shut down (power relay wouldopen contacts). Shorted return side of relay coil to ground and measuredbase of Q602 found 0.2VDC, traced problem B+ regulator, found Pin 1 ofDM-36 reading 0.6VDC S/B 1.4VDC. |