Panasonic Repair Tips
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Results: 2900
Results: 2900
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
Z7 TX21S3
|
Stuck in stby | No 2.6v to pin 31 ic1201(micro), r1218 o/c fusible 560k 0.5w part no. ero50pkf5603 | ||
| PANASONIC |
Z7 TX21JT
|
Reverts to st/by after a couple of hrs & keeps cutting out when sw back on | Eeprom vots had dropped to 2.3v (5v) due to d1202 going o/c - check other diodes in eeprom supply line also | ||
| PANASONIC |
Z7 TX14S3T
|
Wont find chans in chan search, those already tuned in are off tune & dist. tall, flat & greyscale off in av mode | Eeprom part number xl24co20-aa cured the faults. caused by dry joint on loptx earth tag corrupting eeprom. go into"self check" mode. done by pressing status button on the remote & v down on set. shows opt o2 on screen.can't store pp until done | ||
| PANASONIC |
Z7 TX14S3
|
Distorted pic and sound, appears to have no sync | Eprom ic1205 (xl24d02paa1) | ||
| PANASONIC |
Z7 TX14S3
|
Dead, stby led is low | 5v stby rail only 2v, d1202 o/c (1n4150t77) | ||
| PANASONIC |
Z7 TX14S3
|
Blank raster, sound ok | R560 300k o/c | ||
| PANASONIC |
Z7 TC21S3R
|
Switched to 16:9 mode | Corrupt eeprom (no option code) , replace micro ic1201 and earom ic1205, initialise by pressing status key on remote, followed by 'v' button on tv | ||
| PANASONIC |
Z7 TC14S3R/T
|
Stuck in stby | Micro ic1201 in protect due to no +2.6v on pin31, r1218 620k 0.5w o/c | ||
| PANASONIC |
Z7 TC14S3R
|
Weak neg pic - as tho in wrong system | Eeprom ic1205 pt no xl24d02p-aa1 corrupted - needs self checking once fitted | ||
| PANASONIC |
Z7 TC14S3R
|
Self check proc | Press f button & vol - button on set & status on r/c at same time. when complete sw off set then on again & retune | ||
| PANASONIC |
Z7
|
Service mode access | Select chan 60, set sharpness to min, press timer on remote at the same time down arrow on front of set. press str after each adj to store | ||
| PANASONIC |
Z7
|
Screams at sw on, relay operates trip & led just blinks | D861 o/c in psu (8v feed to pin 9 ic601) cct diag mistake - anode d861 connects to pin 1 ic851 not 852 | ||
| PANASONIC |
Z7
|
No sound - ok with sound i/p via scart | Fm sound i/p ok at pin 2 ic601 m52778sp-a but no o/p at pin 47 - chip duff | ||
| PANASONIC |
Z7
|
Flashing led at sw on & no start up | Replace o/c r811 (220k 0.5w) in power supply. | ||
| PANASONIC |
Z7
|
Dead except from whistle from psu | No line drive - d861 start up supply for ic601 o/c | ||
| PANASONIC |
Z5 TX21S1T/R
|
Tripping - runs ok if loaded with a 60w lamp | Q803 2sd1272qlb leaky | ||
| PANASONIC |
Z5 TX21S1T
|
Pic shifted to right with line foldover & col instability | Tda8361n4 | ||
| PANASONIC |
Z5 TX21S1T
|
Frame collapse | R521 8.2r 2w gone high or o/c (loptx pin 8) part no. erq2gjp8r2 | ||
| PANASONIC |
Z5 TX21S1T
|
Dead with tripping noise | No line drive, 8v supply to ic601 is low because r821 330k o/c | ||
| PANASONIC |
Z5 TX14S3T
|
Service mode access | Select ch60 "and set sharpness to minimum." press off timer on remote as well as v down on tv. use v up & down to step through functions. press +/- to alter values. press store button after each adjustment is made to exit press norm button. |