Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sharp | C1421 7PS | LINE JITTER | R308 820k | ||
Sharp | C1421 | St/by only - comes on briefly at sw on | OK on 110v ac mains - STR40090 faulty | ||
Sharp | C1421 | Sound low | L301 in if unit | ||
Sharp | C1421 | Fback lines | HT to RGB only 72v (180v) - C620 4µ7 250v & R620 22R | ||
Sharp | C1421 | Dead with no st/by relay energising | No volts reset pin 11 of micro IC1002; D607 zener s/c | ||
Sharp | C1420H | No tuning - sound or channel change. | Channel change button. | ||
Sharp | C1420H | No start up | STR40090 | ||
Sharp | C1420H | No sound, chan change or tuning | Chan change button dropped to bits | ||
Sharp | C1420H | No sound, chan change or tuning | Chan change button had dropped to bits | ||
Sharp | C1420H | Int hum on vision sometimes negative pic | Tuner u/s | ||
Sharp | C1420H | Int hum bar on pic & int negative pic | Tuner int - replaced at MCES | ||
Sharp | C1420 | Int trip esp on bright pic | Check R623 1M2 & LOPTx | ||
Sharp | C1420 | Dead with fuse shattered & STR40090 s/c | Arcing between tracks on pcb between R711 & R721/R711 & C708/L705 junction | ||
Sharp | C1420 | DEAD FUSE GONE + STR40090 US | REPLACE ABOVE + CLEAN FLUX FROM AROUND R711 , 721 C708 + L705 | ||
Sharp | C1420 | Dead - fuse blown. | Flux on PCB - see Tv mag. |