Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Sony | BE-5 KV21X1U | striations on LHS | R820 3.3k fusible, located on the RHS of the LOPTx, blue in colour, between 2 coils (R820 is not marked on CCT) | ||
Sony | BE-5 KV21X1U | int. sync, picture patterning | replace SMD C341 | ||
Sony | BE-5 KV21X1U | dead | Q802 S2000N (872903385), do not use S2000A as it will fail in a short time | ||
Sony | BE-5 KV21X1U | dead | IC600 STRS6707 (874992499), D603 RD6.8ESB2 (871910997), R601 (120296211), R605 (121636411), Q601 2SC3852A (872902504) | ||
Sony | BE5 KV21X1U | Int dead | Dry joints R651 - under plastic frame | ||
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 |