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Modelo - Chassis KV2786R
Pesquisa: KV2786R Enviar Dica Resolvida
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2786R | LOSS VERTICAL DEFLECTION, REPLACED TUNER AND R540 | Unit displayed a horizontal line at the center of thepicture.(When G2 was turned up) There was also no sound. | ||
| Sony | KV2786R | PICTURE DARK, REPLACE R-504 | Picture very dark. Voltage at pins 24, 25, 26 of IC-301 was.8VDC at normal brightness and contrast level adjustments. All othervoltages on this IC were as per service manual. Q-305, ABL-1, was off,with a 9V DC on collector Q-304, ABL-2, was off about | ||
| Sony | KV2786R | SERVICE MANUAL ERROR, IC-1112 AND IC-1113 | The parts IC-1112 and IC-1113 are labelled wrong in the S/M.But are correct in the parts list of the manual. Both are marked asSN74LS04. But one is a buffer the other a flip-flop. If the wrong partis used the P-I-P function will not work. | ||
| Sony | KV2786R | SNOW IN PICTURE, S/M ERROR AND WRONG TYPE IC-1112 INSTALLED | SNOW in picture. IC1112 could not pass signal. It had beenreplace by a servicer with the wrong part. P/N in S/M is incorrect.It is for an invertor (IC1113) not a FF, which is what servicer installed. -HQ COMMENTS: We will issue a S/B. | ||
| Sony | KV2786R | P IN P HEIGHT ADJUSTMENT, NO ADJUSTMENT EXIST | When viewing a program which has lettering on the screen ontop or bottom, the picture on the main screen will be OK. But the P-Pportion will cut off the lettering. Is there a height adjustment whichcan be done only on the picture in picture section? - |