Panasonic TV Repair: Common Faults and Solutions.
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Results: 2880
Results: 2880
Panasonic Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC | ALPHA 4 | Int lines across pic | Uhf tuner faulty | ||
| PANASONIC | ALPHA 4 | Inside the panasonic alpha 4 chassis | See tv mag june - sept 1995 | ||
| PANASONIC | ALPHA 4 | Field cramp & buzz on sound | Tda3654 fop chip | ||
| PANASONIC | ALPHA 4 | Field - height increases when heated with twitching | C402 0ยต33 mylar cap leaky in ramp gen cct | ||
| PANASONIC | ALPHA 4 | Crackle from lh speaker | R2081 10k sm cracked | ||
| PANASONIC | ALPHA 4 | Blank screen - osd ok | 9v supply to if proc chip ic101 low at pin 41. r170 56r hi res | ||
| PANASONIC | ALPHA 4 | Blank raster - sound ok - same on scart; on txtshows "p100" at the top left and "*** txt ***" flashing at the bottom centre of the screen. | Replace ic3002 (m52472p) on the "h" panel. | ||
| PANASONIC | ALPHA 3 TX28A2X | E-w bowing | R751 33r o/c | ||
| PANASONIC | ALPHA 3 TX28A2 | Txt lines at top of pic | C454 ( 4.7 uf; c455 ( 100 uf ) and frame output i.c. an5521 | ||
| PANASONIC | ALPHA 3 TX25W2 | Txt fault - header unstable & unsync in mix mode | C3511 220pf on board h (connected to pin 24 timing of saa5231 ic3501) | ||
| PANASONIC | ALPHA 3 ALPHA 3 | No sound - dark blank raster. | C1251 ( 10nf ) leaky , main microcontroller & memory chips. | ||
| PANASONIC | ALPHA 3 | Txt poor with missing lines & corrupt | C3507 100pf leaky to pin 9 ic3501 | ||
| PANASONIC | ALPHA 3 | Txt - no pages but header present or jumping txt | C3511 220pf ceramic cap on txt panel leaky | ||
| PANASONIC | ALPHA 3 | The panasonic alpha 3 chassis | See tv mag mar-jun 1994 | ||
| PANASONIC | ALPHA 3 | Stuck in standby. | Loptx | ||
| PANASONIC | ALPHA 3 | St/by only | Q825 opto driver hard on. removing r843 which links base of tr to micro power on/off pin produced a blank raster. micro reset line stuck at 2v instead of 5v - c1251 10nf was leaky | ||
| PANASONIC | ALPHA 3 | Red & green 'gliches' across screen int | Ok in txt mode - c649 120pf faulty - pin 3 ic302 transient improvement chip | ||
| PANASONIC | ALPHA 3 | R822 4r7 10w surge limiter blown , when replaced r | Replace c501 0.1uf | ||
| PANASONIC | ALPHA 3 | Poor focus - adj focus varies brill | Internal leak in crt between a1 and focus electrodes | ||
| PANASONIC | ALPHA 3 | No tuning memory | Chip select signal from pin 53 of micro to memory chip missing - l1209 o/c |