| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 2 | BLOWS LINE TRANSISTOR | LINE DRIVER TX DRY JOINTED | ||
| Panasonic | Alpha 2 | Blank raster, no sound & unlocked chan no | No 12v on A panel due to R2420 0R68 o/c | ||
| Panasonic | Alpha 2 | Blank raster - no tuning | C2612 10µ non pol cap dry joints at pin 5 IC2601 TV/AV sw IC | ||
| Panasonic | Alpha 2 | Black line on RH side of pic | Check dry joints line dr trfmr before LOPTr bites dust! | ||
| Panasonic | Alpha 2 | Analogue bars not locked - pic ok | C3511 220pf connected to pin 24 pulse gen chip on Txt panel leaky | ||
| Panasonic | Alpha 2 | AFTER 4hrs R567 BLOWS AND Q551 VERY HOT | C502 DRY JOINTED | ||
| Panasonic | Alpha 2 | AFTER 1hr TEXT FLASHES ON SCREEN . TEXT LOSES SYNC | C3511 10nF | ||
| Panasonic | Alpha 1W | No sound or picture - squealing from PSU. | D854 s/c , if still no good suspect LOPTX. | ||
| Panasonic | Alpha 1W | NO COLOUR | TDA3562A | ||
| Panasonic | Alpha 1W | Loud wine but no picture. | R851 ( 1.2R fusible ) go's high. | ||
| Panasonic | Alpha 1W | Field collapse | TDA4505M faulty - use TDA4505E & change R112 from 1M5 to 470k & R113 from 22k to 470k | ||
| Panasonic | Alpha 1W | Dead | No 12v supply to line osc pin 7 IC101 from 12v reg IC851 - D855 o/c | ||
| Panasonic | Alpha 1W | Cogging on verts | C808 10µ50v | ||
| Panasonic | Alpha 1W | Chan ind lit with whistle & nothing else | No line drive traced to IC101 TDA4505-M1 jungle chip | ||
| Panasonic | Alpha 1 TXC74 | Width lacking | Q753 2SD762 o/c |