Dicas Reparação
Modelo - Chassis KV2080R
Pesquisa: KV2080R Enviar Dica Resolvida
Resultados 10
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2080R | NO AUDIO, REPLACED IC-102 | Unit has no audio. | ||
| Sony | KV2080R | CHANNEL SELECT STAYS ON "0", REPLACE IC-102 | When set is turned on, it cannot be changed from channel 0.When trying to change channels, there wasn't any memory clock signal onpin 40 of IC-101 or pin 16 of IC-102. Disconnected pin 16 of IC-102 andyou could change channels. | ||
| Sony | KV2080R | SHUTDOWN, OPEN R507 | When the unit was first turned on, unit would shutdown. | ||
| Sony | KV2080R | CONVERGENCE, REPLACE Q706 ON "C" BOARD | Unable to converge (RED). Looking at a cross hatch, red wouldnot converge, also looked little out of focus. Blue and green were ok.Servicer had already replaced picture tube. Changed H-STAT, did not help.Changed (RED) driver transistor, resolved probl | ||
| Sony | KV2080R | SNOWY PICTURE ON #8 AND 10, REPLACED ANT BLOCK | The set had a snowy picture on channels 8 and 10 only. Allother channels worked fine. We found the problem to be the antennaswitch block. | ||
| Sony | KV2080R | HI PITCH SQUEALING, REPLACE L1507 | L1507 causing an objectionable Hi pitch squeal. | ||
| Sony | KV2080R | SET DEAD, REPLACE FBT & Q1503 | Set came in dead, found Q1503 shorted, replaced. New oneshorted, found waveform looking like this on collector on second replace-ment with 40VDC applied and 9.8VDC applied to horiz. oscillator.Replaced flyback, at same voltage above waveform looked like | ||
| Sony | KV2080R | POP IN SOUND, VALUE CHANGES | With external amplifier/speaker pop in sound when changingchannels. -HQ COMMENTS: To fix the problem make the following component changes:C1461, C1462 from 1u/50V to 4.7u/50V (P/N 1-124-192-00)R1461, R1464 from 22kohm to 1kohm/1/6W (P/N 1-247-831-00). | ||
| Sony | KV2080R | SOUND LEVEL TOO LOW, CIRCUIT CHANGE | Customers are complaining that the sound output level at thespeakers is too low. | ||
| Sony | KV2080R | AUDIO NOISE, ADD CAPACITORS | Annoying high pitch sounds from audio (not horiz squeal).Hisses and high freq from audio may be because our audio does stretchtowards the high end and TV sound is just not that good. |