| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 1 | Dead STR54041 blown | Q801 & Q802 (both 2SD965). C808 (10mFd 50V) also replaced | ||
| Panasonic | Alpha 1 | Dead or int start up - chan display only | HT to STR54041 - chip faulty | ||
| Panasonic | Alpha 1 | Dead - no psu output | D851 HT rect s/c C2408M | ||
| Panasonic | Alpha 1 | Dead - fuse Ok. | IC801 STR54041M chopper control IC. | ||
| Panasonic | Alpha 1 | Dead - display only | Q801 &Q802 2SD956/R Tr's leaky | ||
| Panasonic | Alpha 1 | Dead | Q802 2SD965R st/by sw tr in psu s/c | ||
| Panasonic | Alpha 1 | Dead | Q551 2SD14441 Line output transistor s/c R567 1 amp fuse link o/c D854 R2KL s/c, C808 10ufd in power supply sending ht up to 190 volts | ||
| Panasonic | Alpha 1 | Dead | Q802 SBY SWITCH 2SD965R | ||
| Panasonic | Alpha 1 | Dark defocussed bars moving down screen | CRT low emission - minimise by adj of A1s | ||
| Panasonic | Alpha 1 | Colour - flashing bright blue. | IC801. | ||
| Panasonic | Alpha 1 | BLOWS LINE TRANSISTOR | LINE DRIVER TX DRY JOINTED | ||
| Panasonic | Alpha 1 | Blank raster with no sound, st/by led perm on | IC1203 micro MAB8461PT134 faulty - no SDA data pin 2 & pull up only 1.3v - lifting pin restored 4.8v | ||
| Panasonic | Alpha 1 | blank raster - no if noise | TDA4505M-N3 jungle chip faulty | ||
| Panasonic | AC-1 | Int shuts down aft sw on with LED flashing | C857 470µ 25v in relay supply | ||
| Panasonic | 33A1 | INT SOUND | C1206 - 1000mfd ( DECOUPLES 5v RAIL ) |