Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18940
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | BE5 KV20WS1B | Poor start up from cold in st/by | Increase value of C623 from 56 to 220µ | ||
| Sony | BE5 21X4U | Dead with 4 flashes from LED | Check T801on primary side for O/C, part number 1-437-090-31 | ||
| Sony | BE5 | St/by only - LED flashes 10X | LOPTx HR7762 | ||
| Sony | BE5 | St/by still produces small pic | Q603 2SC2389S st/by tr | ||
| Sony | BE5 | Dead - all psu o/ps low & falling | IC601 SE135N error amp chip | ||
| Sony | BE-4A KVM2171U | no text, excessive width, poor grey scale | NVM corruption. Replace IC002 new type ST24C02FB6 (875937032). Change C0255 from 47uF to 1000uF, add 5.6V zener from pin 8 IC002 (cathode) to earth, tighten earth spring around CRT in the shape of U | ||
| Sony | BE-4A KVM2171U | frame collapse | R622 (HT feed) o/c, R814 0.47R safety (frame feed) o/c | ||
| Sony | BE4A KVM2171U | Luma low, poor sync, field up at bottom & E/W bowing | OK when heated - C627 100uF 10V in the 5 volt rail, high ESR, Off pin 8 of IC603 | ||
| Sony | BE4A KVM2171U | Field collapse | R814 0R47 o/c | ||
| Sony | BE4A KV25T1U | Corrugations and poor EHT stability | LOPTx | ||
| Sony | BE-4A KV21T3U | volume goes to max, no remote or front control functions | Micro gets hot, replace Micro part no 875947506 | ||
| Sony | BE-4A KV21T3U | no pic (blank video) | D722 (871999133) o/c on CRT | ||
| Sony | BE-4A KV21T3U | blank raster with flyback lines | A1 voltage too high, replace LOPTx | ||
| Sony | BE4A Chassis | Frame collapse. Replaced frame output chip, but picture geometry was not OK. The voltage at pin 8 of MC44007P chip measured low. | If picture Geometry after replacing Vertical outp. Chip is not in order, replace also MC44007P. (Replaced also STR-S5706 in case an overvoltage caused the fault) | ||
| Sony | BE4A Chassis | Frame collapse. Replaced frame output chip, but picture geometry was not OK. The voltage at pin 8 of MC44007P chip measured low. | If picture Geometry after replacing Vertical outp. Chip is not in order, replace also MC44007P. (Replaced also STR-S5706 in case an overvoltage caused the fault) |