| Make | Model | Problem | Solution | Date |
| | | |
| Found: 1049
|
| Panasonic | Alpha 3 | Stuck in standby. | LOPTX | 14-09-04 |
| Panasonic | Alpha 3 | The Panasonic Alpha 3 Chassis | See TV Mag Mar-Jun 1994 | 14-09-04 |
| Panasonic | Alpha 3 | Txt - no pages but header present or jumping Txt | C3511 220pF ceramic cap on Txt panel leaky | 14-09-04 |
| Panasonic | Alpha 3 | Txt poor with missing lines & corrupt | C3507 100pF leaky to pin 9 IC3501 | 14-09-04 |
| Panasonic | Alpha 3 Alpha 3 | No sound - dark blank raster. | C1251 ( 10nf ) leaky , main microcontroller & memory chips. | 14-09-04 |
| Panasonic | Alpha 3 TX25W2 | Txt fault - header unstable & unsync in mix mode | C3511 220pF on board H (connected to pin 24 timing of SAA5231 IC3501) | 14-09-04 |
| 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 | Alpha 4 | Blank raster - sound ok - same on scart; on Txtshows "P100" at the top left and "*** TXT ***" flashing at the
bottom centre of the screen. | Replace IC3002 (M52472P) on the "H" panel. | 14-09-04 |
| Panasonic | Alpha 4 | Blank screen - OSD OK | 9v supply to IF proc chip IC101 low at pin 41. R170 56R hi res | 14-09-04 |
|
|
| Panasonic | Alpha 4 | Crackle from lh speaker | R2081 10k sm cracked | 14-09-04 |
| Panasonic | Alpha 4 | Field - height increases when heated with twitching | C402 0µ33 mylar cap leaky in ramp gen cct | 14-09-04 |
| Panasonic | Alpha 4 | Field cramp & buzz on sound | TDA3654 fop chip | 14-09-04 |
| Panasonic | Alpha 4 | Inside the Panasonic Alpha 4 Chassis | See TV Mag June - Sept 1995 | 14-09-04 |
| Panasonic | Alpha 4 | int lines across pic | UHF tuner faulty | 14-09-04 |
| Panasonic | Alpha 4 | No pic - sound ok | R539 10 ohms fuse resistor in supply to line driver transistor O/C. | 14-09-04 |
| Panasonic | Alpha 4 | OSD consist of black boxes only - pic & Txt ok | C3304 0µ01 leaky & R3309 820R hi res | 14-09-04 |
| Panasonic | Alpha 4 | Shuts down at sw on with a splutter - HT only 60v | LOPTx | 14-09-04 |
| Panasonic | Alpha 4 | Won't power up - works if pins 3 & 4 of opto shorted | Q890 2SC3311-R leaky | 14-09-04 |
| Panasonic | Alpha 4 TX25X1 | No pic - sound ok | TDA3654 FOP I.C. and 800mA fuse next to it | 14-09-04 |
| Panasonic | Alpha 4 TX25X1 | PSU o/ps die aft brief period at sw on with field coll noticed | VDP3108-A-29 vid/deflect proc chip - NLA. Fit replacement kit with alternative chip | 14-09-04 |
| Panasonic | Alpha 4 TX25X1 | Stuck in st/by perm | STR56041M PSU chip brought back life to psu but FOP chip & Audio O/P chips both faulty as well as IC1213 micro which, when replaced, gave no sync - IC501 TDA2579B also faulty | 14-09-04 |
| Panasonic | Alpha2 TX21T1 | dead | IC801 STR51424M | 14-09-04 |
| Panasonic | Alpha2 TX21V1 | int. low or no sound from right speaker, also crackling | C2441 100pF LEAKY | 14-09-04 |
| Panasonic | Alpha2 TX24T1 | loss of sync, no sound | IC3501 SAA5231 FAULTY (VIDEO PROCESSOR ON H BOARD) | 14-09-04 |
| Panasonic | Alpha2 TX25T2 | black lines across screen | R469 470R o/c | 14-09-04 |
| Panasonic | Alpha2 TX25T2 | dead | LOPTr Q551 S/C, C808 10uF 50v | 14-09-04 |
| Panasonic | Alpha3 TX25A2X | no teletext | C3517 100nF 50V LEAKY (ECQV1H104J2) | 14-09-04 |
| Panasonic | Anubis B | Stuck in demo mode | Sw on mains whilst depressing "Vol" & "Prog+" on set | 14-09-04 |
| Panasonic | CN516 | Dead - in prot mode | When prot mode disabled, only scan bottom 1/3rd of screen due to D412 27v zener MA4270H s/c | 14-09-04 |