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Modelo - Chassis
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Resultados 81420
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1711 | INTERMITTENT VERTICAL AND DISTORTED PICTURE | Vertical intermittent. Pix moves up, changes linearity andshakes. | ||
| Sony | KV1547R | VHF TUNING DRIFT AND UHF NO TUNING | Unit displayed several problems: on VHF high and low channelswould drift, sound would mute, unable to get UHF, not all UHF numberswould display. Found CATV switch intermittent. With switch in thenormal position 2.4VDC would appear on IC001 Pin 39 (sho | ||
| Sony | KV1354R | DARK PICTURE, REPLACED C-556 AND R-557 | This unit had a dark picture caused by C556 shorting andopening R557 in the 800V line. | ||
| Sony | KV1331 | DARK PICTURE, REPLACED D-513, R-557 | This unit had a dark picture. | ||
| Sony | KV1222RS | TURN OFF BY ITSELF WHEN WARM, REPLACED C005 | Set would turn off by itself. Could not turn on nor enterremote functions when warm. Could flex board and unit would act up.Found problem to be C005 was missing from board. | ||
| Sony | KP5040 | INTERMITTENT NO VERTICAL DEFLECTION, REPLACED Q951 | Intermittently the green picture would fold over at the topand sometimes loose all vertical deflection. When this happened, theset would blank all three CRTs. Cooling the vertical drive transistorQ5529 would restore proper operation. This was very mis | ||
| Sony | FD30A | NO VIDEO AND RETRACE LINES ON THE RASTER, REPLACED R409 | Picture has retrace lines, raster OK, no video. | ||
| Sony | KV2670R | DEAD SET, OPEN RELAY | Set could not be turned on at time of delivery. Servicer hasnot received service manual as yet and requested my help. Inspectionrevealed that the relay would not close. Relay winding was open. | ||
| Sony | KV2670R | NO PICTURE, H OUT Q-504 | Several units have had the horiz. output transistor Q504fail shortly after initial turn on. The devices seem to fail of theirown accord. We can find no other problem. Suggest replacement with asturdier device. | ||
| Sony | KV2643R | SHUTDOWN AFTER TWO MINUTES, REMOVED JW-54 | Unit would play for about 2 min. and then shut down. Puttingunit on variac at 90VAC, unit would play. | ||
| Sony | KV2101 | INTERMITTENT HIGH-PITCH NOISE, H LIN COIL L-803 | Intermittent high-pitch noise. | ||
| Sony | KV1917 | INTERMITTENT SHUT DOWN | Intermittent shutdown. | ||
| Sony | FD30A | NO AUDIO, OPEN GROUND BETWEEN G AND K BOARD | No audio. | ||
| Sony | KX2501A | DEAD SET, REPLACED D1514 | The power supply was whistling and there was no picture orsound. We found D1514 in the high voltage regulator to be shorted. Thispresented about 30 ohms to the 140V line. The fuse never opened. | ||
| Sony | KV2648R | HEAVY ARCING, RESOLDERED BROKEN ETCH | When set was turned on, heavy arcing would occur around theflyback. Servicer had replaced the flyback, which did not help. Foundground etch near T503 was open. This caused the flyback return to beopen. We discovered this by connecting the osc. ground |