| Make | Model | Problem | Solution | Date |
| | | |
| Found: 25
|
| Panasonic | Alpha 2M TX21MD3 | Dead, relay clicking for three or four minutes, then works o/k | C807 & C806 ( 100uF 50 volt ) in power supply primary | 14-09-04 |
| Panasonic | Euro 2 TX21MD1 | No signals | dry joints tuner | 14-09-04 |
| Panasonic | Euro 2 TX21MD1 | No sigs | Dry joints 82R sm resistors in tuner | 14-09-04 |
| Panasonic | Euro 2 TX21MD3 | No sound - same on scart | Replaced IC1203 (24C16 Eprom) | 14-09-04 |
| Panasonic | Euro 2L TX21MD1 | White snow effect on screen on high brightness | IC601 VDP3108A digi sigs proc chip | 14-09-04 |
| Panasonic | Euro 4 TX21MD4 | R/C int | Q852 (2SC1383QRS), which was going o/c intermittently. It
provides a standby 5 volt supply. | 14-09-04 |
| Panasonic | EURO2L TX21MD1 | coloured lines on top | D454 (ERA1502V3) D456 (MA2160BLFS) IN FRAME O/P | 14-09-04 |
| Panasonic | EURO2L TX21MD1 | flyback lines on the top | C456 220UF 50V NEAR FRAME IC | 14-09-04 |
| Panasonic | EURO2L TX21MD1 | OK from cold, after 1-2 hours pic goes off, set trips then goes to stby | NICAM IC2101 MSP3410 ON TUNER/IF MODULE | 14-09-04 |
| Panasonic | EURO2L TX21MD1 | varying height | DJ ON R464 IN THE FRAME AREA | 14-09-04 |
|
|
| Panasonic | TX21MD | Pixelation | VDP IC - available as a kit from SEME | 14-09-04 |
| Panasonic | TX21MD | RGB lines at top of screen | 16v zener s/c | 14-09-04 |
| Panasonic | TX21MD1 | Col line at top of pic | Check TDA8175) + D456
16v zener (MA2160B) + C456 (220uF 50v) and/or the "mod kit". | 14-09-04 |
| Panasonic | TX21MD1 | Field bounce | Replace EROM IC1203 part number X24C0803AF, if fault still present
then replace EPROM part number 27C010-800SA | 14-09-04 |
| Panasonic | TX21MD1 | Int reverts to st/by | EAROM 8 legged device but replacement will only work properly with latest version of software ic | 14-09-04 |
| Panasonic | TX21MD1 | No sound or pic - tapping tuner may briefly cure | sm resistors x 2 820R in tuner dry joints or fell off! | 14-09-04 |
| 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 | Z4 TX21M1T/BK | Blanking from LHS with ragged edges | 10µ 250v on main pcb rear edge | 14-09-04 |