Panasonic Repair Tips
Search: panasonic
Results: 2900
Results: 2900
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
ALPHA 1
|
Tda4505m-n3 replacement by tda4505e | Change r113 from 22k to 470k; r112 1m5 to 470k & re-align afc as nec | ||
| PANASONIC |
ALPHA 1
|
Squealing. | Line drive transformer. | ||
| PANASONIC |
ALPHA 1
|
Screams | Ht=20v lop tr 2sd1439 leaky cp567 1a cct prot o/c | ||
| PANASONIC |
ALPHA 1
|
Replacing tda4505m-n3 with tda4505e | Change r113 from 22k to 470k; r112 from 1m5 to 470k; align afc for optimum pic | ||
| PANASONIC |
ALPHA 1
|
Replacement of tda4505m-n3 | You can use cheaper tda4505e if r113 changed from 22k to 270k, r112 from 1m2 to 470k & re-align afc coil | ||
| PANASONIC |
ALPHA 1
|
Remote commands int ignored | Dry joint x3505 xtal on txt pcb | ||
| PANASONIC |
ALPHA 1
|
Reduced top frame after a few minutes. | Scan coils! | ||
| PANASONIC |
ALPHA 1
|
Raster - blanking out. | Ic801. | ||
| PANASONIC |
ALPHA 1
|
Q551 keeps blowing | Check dry-joints on line output transformer | ||
| PANASONIC |
ALPHA 1
|
Plain blank raster & no sound , no osd sync - ok via rear sockets. | Replace ic101 ( tda4505m ) in side can middle of chassis. | ||
| PANASONIC |
ALPHA 1
|
Pic goes in from rh side with black line across centre | Dry joints field o/p chip | ||
| PANASONIC |
ALPHA 1
|
Pic brightens & drops with dist field scan when heated | Scan coils faulty - reqs replacement of crt as they are bonded | ||
| PANASONIC |
ALPHA 1
|
Off - safety res r851 2r2 o/c when replaced loud buzz | When base of line driver tr lifted buzzing stops. no line drive replaced tda4505m-n3 jungle chip (must be correct suffix) | ||
| PANASONIC |
ALPHA 1
|
No sound/pic off air or via scart | Ic2601 m51320p av sw chip - to check, remove chip & jumper i/p & o/p pins | ||
| PANASONIC |
ALPHA 1
|
No sound or picture - squealing. | Line drive transformer. | ||
| PANASONIC |
ALPHA 1
|
No pic/sound - chan ind lit, psu whining | C808 hi esr, r567 pt no tsf19102 (fuse) - used 1.4a wickman | ||
| PANASONIC |
ALPHA 1
|
Not cabbage | Replace sub carrier trimmer and adj; check pal delay line by subst | ||
| PANASONIC |
ALPHA 1
|
Loptr q551 int blows | Check dry joints line dr trfmr & r567 1a fusible resistor | ||
| PANASONIC |
ALPHA 1
|
Lines with whistle | C808 10µ 63v | ||
| PANASONIC |
ALPHA 1
|
Lack of height - lin ok | Fit 3r3 resistor across r461 to increase height |