Panasonic Repair Tips
Search: panasonic
Results: 2911
Results: 2911
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
ALPHA 3
|
Green and red "glitches" across screen , text disp | C649 ( 120pf ) pin 3 ic302 pic transient | ||
| PANASONIC |
ALPHA 3
|
Goes off aft 3 hours - flashes & shuts down | Check heatsink clip on ic891 | ||
| PANASONIC |
ALPHA 3
|
Goes dark with no sound when heated | C1251 10nf was leaky in micro reset cct | ||
| PANASONIC |
ALPHA 3
|
Field collapse | C400 10n 50v connected to pin 2 tda2579a tbase chip | ||
| PANASONIC |
ALPHA 3
|
Fault notes: panasonic alpha 3 chassis | See tv mag july 1994 | ||
| PANASONIC |
ALPHA 3
|
E-w bowing with no control effect | Check tda8145 ic701 & r708 & l701 also 0µ01 50v decoupling cap to pin 1 ic701 | ||
| PANASONIC |
ALPHA 3
|
Dead. | R555 ht feed o/c. | ||
| PANASONIC |
ALPHA 3
|
Dead with led flickering at sw on | Q823 conducting as opto was turned on; q825 was sw on because c822 0µ01 ceramic cap leaky | ||
| PANASONIC |
ALPHA 3
|
Dead apart from buzzing noise | R555 fusible resistor oc if eht too high after replacing suspect lopt | ||
| PANASONIC |
ALPHA 3
|
Dead - r555 fusible res o/c in lop stage feed | Loptx | ||
| PANASONIC |
ALPHA 3
|
Dead - loptr leaky | Also check r567 1a fuse feeding lop stage for o/c | ||
| 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) |