Make | Model | Problem | Solution | Date |
| | | |
Found: 70
|
Ferguson | A36R | Width int | Dry joints cap CP18 | 14-09-04 |
Grundig | A3106 | No luminance. | Dirty contact on pin 11 of IC2594. | 14-09-04 |
Mitsubishi | CT21A3STX | Pattern obliterates sound/pic - ok via scart | C9, 13, 21 & 26 0µ47 in IF unit | 14-09-04 |
Mitsubishi | CT21A3STX | SOUND MUTES INT | Q1A1 ON DET PCB Pt No 260P543050 | 14-09-04 |
Mitsubishi | CT25A3STX | `Dead & no st/by led | C906 10µ 50v hi esr, Q552 2SD1878 leaky - used 2SD1555 in lieu | 14-09-04 |
Mitsubishi | CT25A3STX | Dead - keeps blowing LOPTrs | Dry joint on wire link near LOPTr | 14-09-04 |
Mitsubishi | Euro 12 CT25A3STX | No Txt, Nicam & wide pic | IC702 EEPROM corrupted - check caps in pri C906/909 & sec of psu when resetting EEPROM | 14-09-04 |
NordMende | 3543A 3543A | Pairs of lines on picture | IC TDA4610 . | 14-09-04 |
Panasonic | Alpha 3 | AFTER 5mins PIC + SOUND DISAPPEAR | STUCK IN RESET C1251 10nF | 14-09-04 |
Panasonic | Alpha 3 | Black diagonal lines across pic - very int | D329 zener diode was leaky MA4068 - stabilises supply to TDA4670 IC302 | 14-09-04 |
|
Panasonic | Alpha 3 | Bright flyback lines across top of screen - very int | Fit kit TZSEN001 consisting of replacement scan coil and FOP chip | 14-09-04 |
Panasonic | Alpha 3 | Colour varies - blue content reduces - int | C352 330pF ceramic cap decoupling Q366 emitter | 14-09-04 |
Panasonic | Alpha 3 | Dark blank raster - no sound. | C1251 ( 10nf ) leaky , main microcontroller & memory chips. | 14-09-04 |
Panasonic | Alpha 3 | Dark blank raster with no sound or display | No micro activity - dis serial & clock lines to Txt panel to elliminate this cct; set works when this was done - IC3507 was faulty (MAB8461PW13S) | 14-09-04 |
Panasonic | Alpha 3 | Dark pic getting worse with time | Q355 2SC3311 on crt base leaky (black level ref) | 14-09-04 |
Panasonic | Alpha 3 | Dead - blows R822 4R7 5W & R555 LOP fusible | Line drive wfm dist - C501 0µ1cap in line osc stage leaky | 14-09-04 |
Panasonic | Alpha 3 | Dead - LOPTr leaky | Also check R567 1A fuse feeding LOP stage for o/c | 14-09-04 |
Panasonic | Alpha 3 | Dead - R555 fusible res o/c in LOP stage feed | LOPTx | 14-09-04 |
Panasonic | Alpha 3 | DEAD APART FROM BUZZING NOISE | R555 FUSIBLE RESISTOR OC IF EHT TOO HIGH AFTER REPLACING SUSPECT LOPT | 14-09-04 |
Panasonic | Alpha 3 | Dead with LED flickering at sw on | Q823 conducting as opto was turned on; Q825 was sw on because C822 0µ01 ceramic cap leaky | 14-09-04 |
Panasonic | Alpha 3 | Dead. | R555 HT feed o/c. | 14-09-04 |
Panasonic | Alpha 3 | E-W bowing with no control effect | Check TDA8145 IC701 & R708 & L701 also 0µ01 50v decoupling cap to pin 1 IC701 | 14-09-04 |
Panasonic | Alpha 3 | Fault Notes: Panasonic Alpha 3 Chassis | See TV Mag July 1994 | 14-09-04 |
Panasonic | Alpha 3 | Field collapse | C400 10n 50v connected to pin 2 TDA2579A tbase chip | 14-09-04 |
Panasonic | Alpha 3 | Goes dark with no sound when heated | C1251 10nF was leaky in micro reset cct | 14-09-04 |
Panasonic | Alpha 3 | Goes off aft 3 hours - flashes & shuts down | Check heatsink clip on IC891 | 14-09-04 |
Panasonic | Alpha 3 | GREEN AND RED "GLITCHES" ACROSS SCREEN , TEXT DISP | C649 ( 120pf ) PIN 3 IC302 PIC TRANSIENT | 14-09-04 |
Panasonic | Alpha 3 | INT DIAGONAL BLACK/WHITE STRIPES | D329 ZENER Pt No MA4068 | 14-09-04 |
Panasonic | Alpha 3 | Int loss of sound & pic | Dry joints prescaler chip inside tuner | 14-09-04 |
Panasonic | Alpha 3 | INT LOSS OF TUNING | DRY JOINTS ON PRESCALER IC IN TUNER | 14-09-04 |