| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 2 TX28W2 | Tries to start 3 times then dead | Loptx - focus volts too high - replace | ||
| Panasonic | Alpha 2 TX28W2 | Dead - blows R555 HT supply fusible | Q366 2SC3311 s/c, Q352 2SC4714 s/c on the CRT and D551 s/c (used BYD33J) in +200V supply | ||
| Panasonic | Alpha 2 TX24T1 | Squeal from psu only with LED lit | Check for 25v at D852 if missing then check for bad joints at chopper transformer | ||
| Panasonic | Alpha 2 | Whistling int | Dry joints LOPTx overwind | ||
| Panasonic | Alpha 2 | Video int disappears | IC2601 M51326P AV sw chip - to check, remove chip & jumper I/P pin 5 & O/P pin12 | ||
| Panasonic | Alpha 2 | Video disappears int sound OK | link pins 5 & 12 of IC2601 if pic returns IC u/s | ||
| Panasonic | Alpha 2 | Txt absent | C3517 10nF pin 15 IC3501 leaky | ||
| Panasonic | Alpha 2 | Txt drifts across pic/flashing | C3511 220pf in 6Mhz phase cct leaky | ||
| Panasonic | Alpha 2 | Tuning int | R171 10k in tuning voltage line int | ||
| Panasonic | Alpha 2 | Tuning goes off with ticking | Chopper chip STR54041 | ||
| Panasonic | Alpha 2 | Tuning erratic & chans disappear | C15 2µ2 | ||
| Panasonic | Alpha 2 | Teletext - white bars over teletext | Mod | ||
| Panasonic | Alpha 2 | STUCK IN SBY IN THE RESET LINE TO MICRO. REMOVE R8 | CHECK C1251 10nf | ||
| Panasonic | Alpha 2 | Sound dist from 1 chan | C2442/1 100pF leaky | ||
| Panasonic | Alpha 2 | SHUTS DOWN WHEN WARM | ON3105 D811 OPTOCOUPLER ( LINK PINS 3 AND 4 TOGETHER TO PROVE ) |