Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KVX2521U | Int loss of pic & sound | 12v supply lost when pcb flexed - Q608 front/centre of pcb dry joints | ||
| Sony | KVX2521U | High pitched buzz from rh spkr | Dry joints audio o/p chip | ||
| Sony | KVX2521U | Field lin - streched top, compressed bottom | C531 680µ low cap | ||
| Sony | KVX2521 | Red, green, blue lines appear across top of screen after time - worse on txt | C531(680uf / 25v) | ||
| Sony | KVX2521 | Int bright blank raster, all normal settings at max & no chan store | T807 10mH coil int o/c - must use correct coil SEME order-code TPAR2419 £5.74 | ||
| Sony | KVX2512U | FRAME FOLDOVER | REPLACE C531/532 NEAR FRAME O/P IC | ||
| Sony | KVX25121U | Stuck on chan 11 | fault cleared when front panel removed/replaced - jamming button? | ||
| Sony | KVX2182U BE3 | St/by only | Memory chip IC002 sm on board A pt no 8-759-334-20 is probable cause | ||
| Sony | KVX2182U | Goes to st/by with rustle of eht & click at sw on | LOPTr - 2SC4927 (S/C B/E) & replaced LOPTx - HR7337 (Primary winding shorted). | ||
| Sony | KVX2172U | Int cuts out | IC72 Sony Part 8759118427. | ||
| Sony | KVX2172U | Field top foldover | FOP chip | ||
| Sony | KVX2172 | Only selects chan 3 - when other chan selected reverts to chan 3 aft few secs | ST24C16 EAROM corrupted - replace chip and set up | ||
| Sony | KVX2162U | Sound int | Dry joints Xtal X1101 on Nicam sub panel | ||
| Sony | KVX2162U | Shuts down aft 5 mins | s/c between heater/cathode of crt when heated - can be measured on meter | ||
| Sony | KVX2162 etc | Field o/p faults/led flashing 13 times | After chip replacement, if geometry still not right check serv mode |