Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KVX2572UB | LED flashes 13 times at sw on | Indicates field fault - s/c field o/p chip on –15v supply | ||
| Sony | KVX2562U | St/by led flashes continually at sw on | R681 o/c causing no 15.5v to IC681 or 9v to Y/C proc etc | ||
| Sony | KVX2562U | Flashing pic | Dry joints reg Ics near front of pcb | ||
| Sony | KVX2552U | Hum bar effect in background - ok on scart | Dry joint on reg near front of pcb over plastic support pillar that needs cutting to gain access | ||
| Sony | KVX2532U | Nicam dropout | Adj orange variable cap on Nicam board | ||
| 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. |