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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2602 | vertical JITTER, REPLACED C511 | After 5 to 10 minutes on, vertical jitter is noticed andbecomes increasingly severe. Sometimes a brighter line is apparent acrosscenter of screen (slight folding). Found C511 2.2ufd at 20V tantalumcapacitor very slightly leaky (100k). | ||
| Sony | KV9000 | vertical DISTORTION WITHOUT VIDEO | vertical collapse under no signal condition. Set appeared tohave proper vertical waveforms when receiving off the air broadcast, butwhen no station present only a thin line, this indicated oscillatorfailure or no self-sustaining ability. | ||
| Sony | KV2647R | NO vertical SYNC DURING CHANGING CH., WRONG VALUE R580 | vertical sync loss when changing channels, OK when scenefades out before a commercial. | ||
| Sony | KV1217 | vertical FOLDOVER, REPLACED C524 | vertical foldover with blanking spot on right upper corner andjittery picture. Found C524 installed backwards during manufacturing. | ||
| Sony | KV2602 | vertical FOLDOVER, REPLACED IC502 | vertical foldover at bottom. All voltages around IC501 andIC502 checked good except Pin 5 of IC502 which was very low, waveformswere distorted. | ||
| Sony | KV2647R | vertical FOLDOVER, C508 | Set has severe vertical foldover on top of screen. |