Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | BE3D KV32WF1U | Serrated line at top & bottom of screen | Fit improved line driver trfmr pt no 1-437-090-31 | ||
| Sony | BE3D KV32WF1U | DEAD WITH POWER SUPPLY SCREAMING | REPLACE LINE O/P TRANSISTOR Q802 | ||
| Sony | BE3D KV32WF1 | NO SOUND | REPLACE IC1200, PS602, Q1200 AND Q1201 | ||
| Sony | BE-3D KV29X1U | no pic, rainbow effect if A1 increased | 9V supply high at 11.6V, replace IC606 LM2940T-9-0 | ||
| Sony | BE-3D KV29F3U | poor CRT purity | replace C632 as the degaus relay is not energising | ||
| Sony | BE-3D KV29F3U | int sound muting, locking up and no tuning memory | NVM IC2 975933420 | ||
| Sony | BE-3D KV29F2U | no sound from cold for 30 min | replace IC3 875947773 | ||
| Sony | BE-3D KV29F2U | green flyback lines, then goes dead within 10 sec | Q707 BF423 leaky on CRT | ||
| Sony | BE3D KV29F2U | Height excessive varies with pic content then collapses aft 3 mins shuts down with LED flashing error 2 | IC606 LM2940CT 9V regulator s/c from input to output in PSU secondary, thus the +9V line was high and varied with picture content. | ||
| Sony | BE-3D KV28WS2U | vol goes up or down on its own, channels wipe out of memory, unusual characters on LHS | int lockup of IC3, replace with new software type (IC3 TMS27PC0200-15 software 15FMBW706 or later, part number 875945310) | ||
| Sony | BE-3D KV28WS2U | no sound | D613 FMN-G12S o/c (871905838) | ||
| Sony | BE-3D KV28WS2U | no pic, sound Ok | no line drive, R870 1R 1W o/c | ||
| Sony | BE-3D KV28WS2U | int no remote | IR receiver IC900 894179051 | ||
| Sony | BE-3D KV28WS2U | buzzing on sound, IC260 gets hot | resolder earth pin on plug CN303 | ||
| Sony | BE3D KV28WS2U | St/by only LED flashes error code 2 | LOPTx can be cause, confirmed by measuring volts coll Q606 in prot cct. If it rises to 11v LOPTx faulty (should be 0v) - then enter serv mode & disable prot (see other entry). |