| Make | Model | Problem | Solution | Date |
| | | |
| Found: 28
|
| Panasonic | Alpha 2 TX28W2 | Dead - blows R555 HT supply fusible | Q366 2SC3311 s/c, Q352 2SC4714 s/c on the CRT and D551 s/c (used BYD33J) in +200V supply | 14-09-04 |
| Panasonic | Alpha 2 TX28W2 | Tries to start 3 times then dead | Loptx - focus volts too high - replace | 14-09-04 |
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| Panasonic | Alpha 3 TX28A2 | Txt lines at top of pic | C454 ( 4.7 uF; C455 ( 100 uF ) and frame output I.C. AN5521 | 14-09-04 |
| Panasonic | Alpha 3 TX28A2X | E-W bowing | R751 33R o/c | 14-09-04 |
| Panasonic | Euro 1 TX28W3 | Dead - no o/p from psu - pri 300v only | Check R628 470k, R626/627 560k, C622 100µ 25v & IC611 TDA4601 | 14-09-04 |
| Panasonic | Euro 1 TX28W3 | Service mode entering | In audio menu, bass max/treble min, then press vol
down on TV & TEXT REVEAL on hset. Use red & green to select, yellow & blue to adjust - store on TV | 14-09-04 |
| Panasonic | Euro 2 TX28MD3 | Dead apart from relay clicking at 1Hz | C807 100µ 25v in PSU pri | 14-09-04 |
| Panasonic | Euro 2L TX28LD1/B | White screen with vert black thin lines from cold - ok if IC601 heated | IC601 VDP3108-25 luma/chroma proc chip | 14-09-04 |
| Panasonic | Euro 2L TX28LD1 | Field collapse | TDA8175-3 FOP chip & D456 MA2160 - chips in short supply replace it with a TDA8177. Mod kit Part no TZS9EK026-1 from SEME | 14-09-04 |
| Panasonic | Euro 4 TX28PK2 | Trips with relay chattering after few mins | In overvolts mode - 150v HT gone high due to R872 dry joint | 14-09-04 |
| Panasonic | Euro 7 TX28MDMk1C/M | White raster , no OSD - sometimes G with FB Lines - very int | Replaced micro SDA5450C48 (34 UKP) | 14-09-04 |
| Panasonic | EURO2L TX28LD1 | distorted, displaced chroma | IC601 VDP3108APPA1 | 14-09-04 |
| Panasonic | EURO2L TX28LD1 | pic smearing on highlights, going green and magenta at either side of highlight | replace IC601 VDP3108-29 and set-up video levels and A1 voltage | 14-09-04 |
| Panasonic | EURO2L TX28LD1 | severe overscan, pic appears upside down | wrong type of IC451 used, use from Panasonic | 14-09-04 |
| Panasonic | EURO2L TX28LD1 | stuck in stby | R558 120k o/c in beam limiter circuit off LOPTx | 14-09-04 |
| Panasonic | EURO2M TX28MD3 | blows mains fuse every 2-3 months | replace PTC 232266296319, also mains lead connector may come loose and arc (part no TSX8E0017) | 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 | TX28A2X | Sound low & dist with crackle after using Svideo skt | sound switching IC 301 type M52472P | 14-09-04 |
| Panasonic | TX28LD1/B Euro2L | St/by LED flashes on/off - no sounde/pic | disconnected Q502 [surface mount BC847B] which shorts the Hor drive from IC601 down to ground in an inhibit condition. If the line stage now cycles in time with the LED, coming on in brief pulses and producing a blank raster replace IC601 VDP3108-25 | 14-09-04 |
| Panasonic | TX28LD1/M | STUCK IN STANDBY | CHECK R558 120K FOR O/C | 14-09-04 |
| Panasonic | TX28MD3 | BLOWS MAINS FUSE | REPLACE POSISTOR AND POWER CORD | 14-09-04 |
| Panasonic | TX28PK10E | No G | L351 delay line leaky. Part No ELB4C070B. | 14-09-04 |
|
|
| Panasonic | TX28PK3 Euro 4 | Locked Mode displayed at sw on then reverts to st/by | IC7066 Eprom U/S | 14-09-04 |
| Panasonic | TX28W3 | Dead | C623 100µ 50v | 14-09-04 |
| Panasonic | TX28W3 | Pulsing on & off | check ribbon cable to front drawer | 14-09-04 |
| Panasonic | TX28X1 | Line foldover | D560 MA165 s/c | 14-09-04 |
| Panasonic | TX28X1 | Trips off aft a sec - ok on dummy load | C567 1800pf cracked & leaky | 14-09-04 |
| Panasonic | TX28X1DP | Int signals | Dry joints tuner | 14-09-04 |