Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KP5040 | TEST SIGNAL INTERFERENCE, INSTALL CAP | Cross hatch bleed through on KP-5040. Bar pattern when view-ing a weak incoming active channel. This condition sometimes can be moreeasily observed by setting the TV line switch S907 to the line position.In this configuration a faint bar can be seen ru | ||
| Sony | KP5040 | PICTURE DISTORTION (OSCILLATION), ADD CAP | Oscillation (snivet) down center of screen noticed on set inclose proximity. Also had white horizontal lines similar to ignitionnoise. | ||
| Sony | KP5040 | COLOR DISTORTION, REPLACED IC3301 AND CRT | Red very weak, unable to set gray scale. Bias wrong onpicture tube. Changed IC3301 corrected bias, but red picture tube bad,had to change it too. | ||
| Sony | KP5020 | INCORRECT CONVERGENCE | All three colors would not center properly. Found D5501shorted on DA board. Also schematic is labelled wrong, voltage afterresistor R5597 should read +5 volts but schematic indicates +12Vdc onDA board. | ||
| Sony | KX2501 | NO COLOR, REPLACED IC1302 | No color under any input, faint retrace lines in black andwhite picture. Sometimes flickering of colored snow but out of colorsync. | ||
| Sony | KV9000 | TV WOULD NOT COME ON | TV would not always come on. Found C508 intermittently open. | ||
| Sony | KV2648R | COLOR CONFETTI ON B/W, ADJ CV301 | Color confetti on B/W telecast. | ||
| Sony | KV2648R | NO PICTURE, REPLACED F601, Q602 AND Q603 | This unit keeps on blowing F601 and Q602. Isolated problemon the F board by disconnecting the 135V B+ and supplying a separateexternal B+ (TP92 was the ground return) to the A board. This makes theA board work. HV normal but no raster. Then by using | ||
| Sony | KV2648R | NO MANUAL OPERATION, REPLACE C4038 | You cannot turn set on or off by manual button. Set wouldwork OK with remote. I found no logic high at Pin 33, IC4001. CapacitorC4038 was shorted on MZ board. | ||
| Sony | KV2648R | BOTTOM OF SCREEN BLANK OUT, REPLACED CX841 | Bottom and left side area of the screen blanked out. FoundCX841 defective. | ||
| Sony | KV2647R | BLACK LINE ON THE SCREEN, REPLACE V OUT IC502 | After set would warm up a black line about 3/8 inch (veryfaint) would appear in the center of screen. | ||
| Sony | KV2647R | NO OPERATION, H OUT Q-502 | No sound, no picture. Found horizontal output shorted. | ||
| Sony | KV2643R | VERTICAL BARS ON THE SCREEN, REPLACED C539 | Vertical bars on left side of screen. Almost like ringing.Horizontal spike riding on B+. | ||
| 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 | KV1943R | INTERMITTENT SOUND, REPLACED T207 | Sound intermittently goes dead. Troubleshooting indicatesthat the sound is not passing through the IF section. Isolated problemto T207. |