Dicas Reparação PANASONIC
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 1 | No sound/pic off air or via scart | IC2601 M51320P AV sw chip - to check, remove chip & jumper I/P & O/P pins | ||
| Panasonic | Alpha 1 | No sound or picture - squealing. | Line drive transformer. | ||
| Panasonic | Alpha 1 | No pic/sound - chan ind lit, psu whining | C808 hi esr, R567 pt no TSF19102 (fuse) - used 1.4A Wickman | ||
| Panasonic | Alpha 1 | No col | Replace sub carrier trimmer and adj; check PAL delay line by subst | ||
| Panasonic | Alpha 1 | LOPTr Q551 int blows | Check dry joints line dr trfmr & R567 1A fusible resistor | ||
| Panasonic | Alpha 1 | Lines with whistle | C808 10µ 63v | ||
| Panasonic | Alpha 1 | Lack of height - lin ok | Fit 3R3 resistor across R461 to increase height | ||
| Panasonic | Alpha 1 | Lack of col at top of pic whilst playing pre-recs | Change C604 from 0µ047 to 0µ33 | ||
| Panasonic | Alpha 1 | Int flicks off tune with momentary bright blue raster | Chopper chip IC801 | ||
| Panasonic | Alpha 1 | High HT (128 instead of 119v) | C808 10µ 50v hi esr | ||
| Panasonic | Alpha 1 | Height reduced to 1 inch | IC451 TDA3653A, C554 10µ 250v hi esr | ||
| Panasonic | Alpha 1 | Grey Scale poor with weak Blue | D306 on B o/p from decoder - used 1N4148 | ||
| Panasonic | Alpha 1 | flashes 1 col brightly then off with squeal | o/c coil on crt base | ||
| Panasonic | Alpha 1 | Field - Txt lines at top of pic | C455 100µ 35v hi esr | ||
| Panasonic | Alpha 1 | Dead. | 2SD965R standby switching transistor Q802 s/c. |