Dicas Reparação
Modelo - Chassis KV1770R
Pesquisa: KV1770R Enviar Dica Resolvida
Resultados 8
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1770R | IC-301 | 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). Also,when using CX-20193 as substitute for original CX-20 | ||
| Sony | KV1770R | UNIT IS DEAD | Found IC301 bad, ordered CX20082 by S/M, unit worked but hadno sync or color. Found the IC being used in the unit different fromwhat was in the manual. IC being used CX20192 S/M CX20082. ReplacedCX20192, unit works OK. P/N in manual is 8-752-008-20 w | ||
| Sony | KV1770R | NO SYNC | No sync. | ||
| Sony | KV1770R | INTERMITTENT FUNCTION | I could not turn the set on or off. | ||
| Sony | KV1770R | WAVY VERTICAL BARS, LEFT SIDE OF SCREEN | With antenna connected, wavy stripes similar to those causedby cable ingress appear on left side of screen. With no antenna, signalis snowy and weak, but shows no evidence of vertical artifacts. HIT asswas replaced, with no effect. Cable assohmmeter. | ||
| Sony | KV1770R | FLYBACK ARCING | The flyback burned a hole through the side and shorted outthe horiz. output transistor. | ||
| Sony | KV1770R | H.V. SHUT DOWN | The unit would go into HV shutdown at approx. 100V appliedAC. Found R559/hold down to be cold soldered. | ||
| Sony | KV1770R | POOR PURITY | The screen had a strange green hazel color to it. It appearedlike a chroma problem but a little experimenting revealed a problem withthe CRT. It was not possible to achieve anything close to correct purity. |