| Make | Model | Problem | Solution | Date |
| | | |
| Found: 1049
|
| Panasonic | TX21MD1 | Reverts to st/by when cold & int sound | MSP ic on tuner/nicam pcb | 14-09-04 |
| Panasonic | TX21MD1 | slow start up & int sound | MSP IC on tuner/NICAM pcb | 14-09-04 |
| Panasonic | TX21MD1 | Snowy effect on bright parts of pic only | BIG chip IC601 VDP3108A | 14-09-04 |
| 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. | 14-09-04 |
| 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. | 14-09-04 |
| 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 | 14-09-04 |
| Panasonic | TX21MD3 | Blank screen with small white dashes. OSD, Txt & sound ok | IC601 (VDP3108APPA1) | 14-09-04 |
| Panasonic | TX21MD3 | Tripping slowly | Line Driver Transformer (T501, pt no.5270103200) s/c | 14-09-04 |
| Panasonic | TX21S1T | Brightness increases over time causing trip | LOPTx had faulty A1 sect | 14-09-04 |
| Panasonic | TX21S1T/BH | To tune press "F" button on front of set | Until "tuning" shows - then pres "^" 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 | 14-09-04 |
|
|
| Panasonic | TX21S3T | Dead - no HT to IC601 | Check D861 for o/c | 14-09-04 |
| Panasonic | TX21S3T | Dead & buzzing | D861 faulty - checks ok out of cct | 14-09-04 |
| Panasonic | TX21S3T | Lack of height | Adj in service mode | 14-09-04 |
| 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 | 14-09-04 |
| Panasonic | TX21S3T | No sound - ok thro scart I/p | No o/p from IC601 - chip faulty | 14-09-04 |
| 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 | 14-09-04 |
| Panasonic | TX21S3T | Whistle only | Dist line drive wfrm - Pin 9 IC601 only 3.7v (8v); D861 1SS133T-77 hi res | 14-09-04 |
| Panasonic | TX21V1RE | Initial EHT rustle then chan no only | PSU ok on bulb, L303 10mH 12v feed coil to CITAC etc o/c | 14-09-04 |
| Panasonic | TX21V2 | LOW HT 60V | CHECK LOPTY | 14-09-04 |
| Panasonic | TX21V2 | Trips at sw on - EHT comes up briefly | STR54041-M in psu faulty | 14-09-04 |
| 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) | 14-09-04 |
| Panasonic | TX2482 | No sound - OSD & SCART I/p OK | TDA4505M (used TDA4505E + mod). | 14-09-04 |
| Panasonic | TX24A1 | No sound/vis - chan no. displayed | IC801 STR54041 - & check dry joints | 14-09-04 |
| Panasonic | TX24T1 | Blank unfocussed raster? - sound ok | L353 on crt base | 14-09-04 |
| Panasonic | TX25A2X | NO TEXT | CHECK C3517 100NFD50V | 14-09-04 |
| Panasonic | TX25AD1/DP | No pic - only 3 hor lines across screen 10cm separation | 1st dis pins 4&5 of Earom(24CO706A) & check if field comes back.It did along with E-W errors which proves FOP chip ok so replace VDP3108 kit part no TZS9EK002-2 | 14-09-04 |
| Panasonic | TX25AD1DP | DARK PICTURE WITH SPARKING | CHECK BRIGHTNESS CONTROL ON CRT BASE | 14-09-04 |
| Panasonic | TX25AD1DP | IF EEPROM IS REPLACED AND SET SWITCHES TO "0" AND NORMAL SETTINGS WILL NOT MEMORISE | PRESS STATUS ON REMOTE AND FUNCTION DOWN ON TV | 14-09-04 |
| Panasonic | TX25AD2DP | DEAD NO STANDBY LIGHT | TRY REPLACING IC1801 | 14-09-04 |
| Panasonic | TX25AD2DP | DEAD WITH RED LED PULSING | RL6101 COULD BE BURNT UP | 14-09-04 |