Dicas Reparação PANASONIC
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | U2 | Sound - level affected by contrast control. | C857 ( 47u f ) | ||
| Panasonic | U2 | No picture - CRT cut off. | 2x zeners 6.2v in regulator base cct. | ||
| Panasonic | U2 | No brightness. | BU208. | ||
| Panasonic | U2 | Lines/interference on pic | C854 o/c | ||
| Panasonic | U2 | Frame - top foldover if adj A1 control. | Frame IC TDA1106. | ||
| Panasonic | U2 | Field collapse | Q403 (Darlington tr) 2SD837 - BD645 works | ||
| Panasonic | U1 | Sound - no sound or raster. | R810. | ||
| Panasonic | U1 | No raster - EHT ok. | D818. | ||
| Panasonic | U1 | No colour - intermittent. | Intermittent customer colour control. | ||
| Panasonic | U1 | Int field collapse | Dry joints Trs 454 & 455 | ||
| Panasonic | U1 | Dead | Q801 BU326 chopper tr faulty - checked ok on meter | ||
| Panasonic | TXW28R4DP Euro4 | Sound dist from lh speaker | sound processor IC2102 MSP3410D part number MSP3410DPOB4 | ||
| Panasonic | TXW28R4DP Euro4 | No sigs - snow only on screen | leaky SMD transistor marked "BR" inside IF section of the tuner. I used MSB1218ART1 | ||
| Panasonic | TXW28R4DP Euro4 | Blnk raster - no OSD | Microprocessor IC1101 part number SDA5450C48 (30 UKP +VAT). | ||
| Panasonic | TXW28R4DP | Sw off aft 15 secs - sound & pic ok | R558 120k by LOPTx fback from beam lim to prot cct |