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 2 | Blank raster - no tuning | C2612 10µ non pol cap dry joints at pin 5 ic2601 tv/av sw ic | ||
| PANASONIC | ALPHA 2 | Black line on rh side of pic | Check dry joints line dr trfmr before loptr bites dust! | ||
| PANASONIC | ALPHA 2 | Analogue bars not locked - pic ok | C3511 220pf connected to pin 24 pulse gen chip on txt panel leaky | ||
| PANASONIC | ALPHA 2 | After 4hrs r567 blows and q551 very hot | C502 dry jointed | ||
| PANASONIC | ALPHA 2 | After 1hr text flashes on screen . text loses sync | C3511 10nf | ||
| PANASONIC | ALPHA 1W | No sound or picture - squealing from psu. | D854 s/c , if still no good suspect loptx. | ||
| PANASONIC | ALPHA 1W | No colour | Don't make a mistake | ||
| PANASONIC | ALPHA 1W | Loud wine but no picture. | R851 ( 1.2r fusible ) go's high. | ||
| PANASONIC | ALPHA 1W | Field collapse | Tda4505m faulty - use tda4505e & change r112 from 1m5 to 470k & r113 from 22k to 470k | ||
| PANASONIC | ALPHA 1W | Dead | No 12v supply to line osc pin 7 ic101 from 12v reg ic851 - d855 o/c | ||
| PANASONIC | ALPHA 1W | Cogging on verts | C808 10µ50v | ||
| PANASONIC | ALPHA 1W | Chan ind lit with whistle and nothing else | No line drive traced to ic101 tda4505-m1 jungle chip | ||
| PANASONIC | ALPHA 1 TXC74 | Width lacking | Q753 2sd762 o/c | ||
| PANASONIC | ALPHA 1 TXC71 | Sound noisy - ok thro scart | C2401 dry joint on av/tuning/control board | ||
| PANASONIC | ALPHA 1 TX3 | Line whisle with cogging verts | Str54041m - also check elects | ||
| PANASONIC | ALPHA 1 TX2482 | Line foldover then dead with loptr 2sd1441 s/c | Check for dry joints line dr trfmr & loptx | ||
| PANASONIC | ALPHA 1 | Whistling d854 s/c (rm2) | C808 10mfd 63v in psu o/c replace rm2 | ||
| PANASONIC | ALPHA 1 | Tuning - drift. | Ic801. | ||
| PANASONIC | ALPHA 1 | Tripping with field collapse | R7000 180k & r7005 150k start up res on side panel | ||
| PANASONIC | ALPHA 1 | Tripping | D854 sr2kn avalanche diode s/c due to c808 10µ 50v low cap (could also be str54041m chopper chip) it is advisable to change both |