Panasonic Repair Tips
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Results: 2900
Results: 2900
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
TX2482
|
Dead - loptr s/c | Replaced loptr, r567 1a cct prot o/c, 1r2 2w resistor from s3 on sec of smps trfmr (27v driver supply) | ||
| PANASONIC |
TX21V2
|
Trips at sw on - eht comes up briefly | Str54041-m in psu faulty | ||
| PANASONIC |
TX21V2
|
Low ht 60v | Check balls | ||
| PANASONIC |
TX21V1RE
|
Initial eht rustle then chan no only | Psu ok on bulb, l303 10mh 12v feed coil to citac etc o/c | ||
| PANASONIC |
TX21S3T
|
Whistle only | Dist line drive wfrm - pin 9 ic601 only 3.7v (8v); d861 1ss133t-77 hi res | ||
| PANASONIC |
TX21S3T
|
Service mode entering | Select chanel 60 set sharpness to minimum press timer on remote at the same time as the down arrow on the front of the set - press store after each adj to store | ||
| PANASONIC |
TX21S3T
|
No sound - ok thro scart i/p | No o/p from ic601 - chip faulty | ||
| PANASONIC |
TX21S3T
|
Negative picture with agc overload on tuner pictures ok from scart | Replace eeprom (store previous data values and then enter into new chip | ||
| PANASONIC |
TX21S3T
|
Lack of height | Adj in service mode | ||
| PANASONIC |
TX21S3T
|
Dead & buzzing | D861 faulty - checks ok out of cct | ||
| PANASONIC |
TX21S3T
|
Dead - no ht to ic601 | Check d861 for o/c | ||
| PANASONIC |
TX21S1T/BH
|
To tune press "f" button on front of set | Until "tuning" shows - then press "^" key. you can enter chan no. by prefixing with "c". then select pos with chan up/down keys & press "s" to store. exit by pressing "f" key | ||
| PANASONIC |
TX21S1T
|
Brightness increases over time causing trip | Loptx had faulty a1 sect | ||
| PANASONIC |
TX21MD3
|
Tripping slowly | Line driver transformer (t501, pt no.5270103200) s/c | ||
| PANASONIC |
TX21MD3
|
Blank screen with small white dashes. osd, txt & sound ok | Ic601 (vdp3108appa1) | ||
| PANASONIC |
TX21MD1, TX21AD2, TX25MD1,
TX28LD1, TX25AD1, TX25AD1DP,
TX29AD1, TX29AD1DP
|
Black & white vert lines - replace vdp3108 | Orig ic601 nla - use kit tzs9ek002-2, which includes eeprom with nec software changes to use vdp3108appa1 | ||
| PANASONIC |
TX21MD1 EURO2
|
Int sw to st/by on bright scenes | Change earom ic1203 x24c0803af and the matching updated eprom ic1202 27c010-800sa. if you do not change the eprom there is an afc problem with the picture constantly wavering about and the set will not lock onto channels in the tuning mode. | ||
| PANASONIC |
TX21MD1
|
Tuning int when disturbance tested | 2 x 82r sm res in the tuner, in line with pins 3 & 5 of ic type mt02b. you will find that any or all of the 4 connections to these resistors are dry jointed. | ||
| PANASONIC |
TX21MD1
|
Snowy effect on bright parts of pic only | Big chip ic601 vdp3108a | ||
| PANASONIC |
TX21MD1
|
Slow start up & int sound | Msp ic on tuner/nicam pcb |