Dicas Reparação PANASONIC
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 2 | Set bursts into life then goes into StBy leaving 3 | L303 ( 10uH ) o/c in 12V circuit | ||
| Panasonic | Alpha 2 | Servicing the Alpha 2 Chassis | See TV Mag July 1997 & Dec 1998 | ||
| Panasonic | Alpha 2 | Reference oscillator bars across screen. | C642 ( 10nF ) leaky. | ||
| Panasonic | Alpha 2 | Red pic aft short while of operation | C353 220pF on CRT base leaky | ||
| Panasonic | Alpha 2 | Red content smeary & critical to set | Peaking coil in red o/p cct hi res | ||
| Panasonic | Alpha 2 | Q552 ( 2SD1441 ) s/c | Check for D/J on line drive TX T531 | ||
| Panasonic | Alpha 2 | POOR TEXT PERFORMANCE | C3507 100pf PIN 9 IC3501 | ||
| Panasonic | Alpha 2 | POOR EW | L752 SC | ||
| Panasonic | Alpha 2 | POOR CONTRAST | R562 ( 130K ) OPEN | ||
| Panasonic | Alpha 2 | PICTURE LOOKS OFF TUNE | IC101 DEMODULATOR COIL SHORTED TURNS | ||
| Panasonic | Alpha 2 | PICTURE GOES RED | Usually D/J on CRT base but check C353 220pF LEAKY | ||
| Panasonic | Alpha 2 | Picture bowed in from sides. | Small yellow C754 ( 180pf ) connected to base of Q751. | ||
| Panasonic | Alpha 2 | Pic int disappears or almost disappears to leave black screen | C626 10nF 50v ceramic cap pin 19 TDA3505 | ||
| Panasonic | Alpha 2 | OSD & bar graphs unlocked Text erratic | C3511 ( 220nF ) pin 24 IC3501 or C3517 ( 0.01uF ) | ||
| Panasonic | Alpha 2 | No Text OK in Mix No bar graphs | C3526 ( 10nF ) decouples TDA3505 |