Panasonic Repair Tips
Search: panasonic
Results: 2900
Results: 2900
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
ALPHA 3
|
Dead - blows r822 4r7 5w & r555 lop fusible | Line drive wfm dist - c501 0µ1cap in line osc stage leaky | ||
| PANASONIC |
ALPHA 3
|
Dark pic getting worse with time | Q355 2sc3311 on crt base leaky (black level ref) | ||
| PANASONIC |
ALPHA 3
|
Dark blank raster with no sound or display | No micro activity - dis serial & clock lines to txt panel to elliminate this cct; set works when this was done - ic3507 was faulty (mab8461pw13s) | ||
| PANASONIC |
ALPHA 3
|
Dark blank raster - no sound. | C1251 ( 10nf ) leaky , main microcontroller & memory chips. | ||
| PANASONIC |
ALPHA 3
|
Colour varies - blue content reduces - int | C352 330pf ceramic cap decoupling q366 emitter | ||
| PANASONIC |
ALPHA 3
|
Bright flyback lines across top of screen - very int | Fit kit tzsen001 consisting of replacement scan coil and fop chip | ||
| PANASONIC |
ALPHA 3
|
Black diagonal lines across pic - very int | D329 zener diode was leaky ma4068 - stabilises supply to tda4670 ic302 | ||
| PANASONIC |
ALPHA 3
|
After 5mins pic + sound disappear | Stuck in reset c1251 10nf | ||
| PANASONIC |
ALPHA 2W TX25T2
|
Field - height excessive with top foldover | R469 150r o/c (under white ceramic res by loptx) | ||
| PANASONIC |
ALPHA 2W TX25T2
|
Shuts down shortly aft sw on b4 raster appears - chan ind remains | Being told to sw off by micro - lift link r1245 to disable - d1315 ma700 leaky | ||
| PANASONIC |
ALPHA 2W TX24W1
|
Bright red pic (or blue/green) | Check relevant peaking coil on crt base (l351, 352, 353) | ||
| PANASONIC |
ALPHA 2W TX24T1
|
No pic | R390 120k 1/2w on crt base | ||
| PANASONIC |
ALPHA 2W TX24T1
|
Bright raster with fb lines | D551 cooked - mounted just to the left of loptx under r557 [6.8Ω 1w] - also replace c554 10µ 250v | ||
| PANASONIC |
ALPHA 2W
|
Squealing. | 2sd1441 may check ok , drys on line driver transformer. | ||
| PANASONIC |
ALPHA 2W
|
Squeal at sw on then dead except chan ind | Q551 lop tr s/c; d854 over volts s/c; r564 fusible o/c - check c808 10µ 63v & ic801 str54041m & dry joints | ||
| PANASONIC |
ALPHA 2W
|
Screaming psu only | Ht 175v (158v) - r567 o/c, c808 10µ 50v leaky | ||
| PANASONIC |
ALPHA 2W
|
Powers up but shuts down , prog no remains , short | L303 oc | ||
| PANASONIC |
ALPHA 2W
|
Poor washed out pic , normal sound . may be just bl | C626 10nf - decoupling pin 19 tda3505 | ||
| PANASONIC |
ALPHA 2W
|
Pic pulling to right | Dry joints line dr tfmr | ||
| PANASONIC |
ALPHA 2W
|
Non lin top of field scan or portion missing | R469 underneath r551 10r 7w - could be either 150r, 270r or 470r 1w |