Dicas Reparação
Modelo - Chassis KV1722
Pesquisa: KV1722 Enviar Dica Resolvida
Resultados 5
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1722 | DEAD | Starter transistor, Q604 would not turn off after start up,so R631 would overheat and burn out. | ||
| Sony | KV1722 | PICTURE BLANKING | This unit was in full blanking. The B+ regulator was workingfine. We found the 11V zener off the base of Q606 (EVP-1) to bedefective. The zener threshold was approx. 5V. | ||
| Sony | KV1722 | Q510 FAILURE, REPLACED DAMPER D517 | Intermittent failure of GCS (Q510). The technician complainedthat all voltages waveforms etc. were in order. Yet this set would veryintermittently blow the horiz. output Q510. Careful examination revealedthe solder land on D517 (damper) to be loose. | ||
| Sony | KV1722 | SET FAILS AFTER A FEW DAYS, REPLACED R569 | Intermittently this unit would fail after servicing for astart circuit problem anywhere from one week to two months later. Theunit had been in 7 times in the last 6 months. After running for aconsiderable time under a heat lamp the voltage at the colle | ||
| Sony | KV1722 | PART RELIABILITY | SG-613 supplied was installed by service station. Partfailed immediately. Cones on part are not correct for use in Sonytelevision. Construction of part is different in appearance to partssupplied by Kansas City. Code on part: OK-H. -HQ COMMENTS: In |