Make | Model | Problem | Solution | Date |
| | | |
Found: 159
|
Alba | CTV734 | CHANNEL LIGHTS NO HT | D806 SC ( POWER SUPPLY ) | 14-09-04 |
Amstrad | WSTV7328NF 11AK19 | Narrow with E-W bowing | R629 10R o/c - check for dry joints on caps | 14-09-04 |
|
B & O | 7730 | Int colour | Resolder joints to edge conn on IF panel | 14-09-04 |
B & O | 7730 | No sync & weak video | Tr1 BC547C on AV/Scart pcb leaky | 14-09-04 |
Bush | 1473T | Dead - off with flash | BUZ77B chopper s/c; R805 330k hi res at 570k; R889 0R47 o/c & replaced TDA4605-2 & C831 1µ 50v as a precaution | 14-09-04 |
Bush | 1473T | To enter serv mode on "11AK08" version (printed on front edge of chassis) | 1 Press vol- on the keypad
2 Press 'prog' on the handset
3 Press '--' on the handset 4 Press TV on the handset (That's the one with the blank screen on it) Use prog + & - to select parameters and vol + & - to alter values. The red button stores and the exit with 'TV' | 14-09-04 |
Bush | 1473T 11AK08 | Line tearing | C818 (47MFD 160VW), +B line smoothing capacitor (high ESR). | 14-09-04 |
Bush | 1473T 11AK08 | Pic int smeary or dissappears | Dry joint PL901 earth wire on crt base panel | 14-09-04 |
Bush | 1473T 11AK20 | Field collapse | R709 sm 10k adjacent to FOP chip not properly soldered in | 14-09-04 |
Bush | WS6673 11AK19P5 | Dead - check for dry joints | Also replaced LOPTr which then produced 1" line scan - D622 BY228 leaky & R629 2R7 o/c. There's a mod for psu (11DYC19P) to fit heatsink for diode that burns up | 14-09-04 |
Bush | WS6673 11AK19P5 | Dead - D823 blown (not shown on cct) | When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr | 14-09-04 |
Bush | WS6673 11AK37 | Width excessive | C622 12nF 350v s/c | 14-09-04 |
Bush | WS6673SIL | Trips with LOPTr 2SD2579 s/c | Check dry joints C626 flyback cap & measure its value 12nF 2kv | 14-09-04 |
Bush | WS7673 | E/W faulty | Dry joints C630 caused R629 44R to go o/c | 14-09-04 |
Bush | WS7673SIL | Dead | D002 dry joints, chopper FET s/c, L801 o/c | 14-09-04 |
Contec | KTN3732 | Dist sound/low vol | R125 36k o/c by af o/p tfmr | 14-09-04 |
Dantax | 7300 | LED goes Green then Red after 1/4 sec | check CL 23 for dry joint (behind LOPTx) | 14-09-04 |
Ekco | 731 | No green. | R458 ( 39k ) | 14-09-04 |
Ferguson | M6373GCT TX91G | No or intermittent TeleText | Check for dry joints on IX02 Reg IC on the small Text pcb. | 14-09-04 |
Ferguson | M7073GH | Bright white pic with poor focus | Altering focus control affects amplitude of video at crt cathodes - CRT faulty | 14-09-04 |
Ferguson | T5173 | Washed out pic like duff crt | RT43 68k on crt base hi Res | 14-09-04 |
Ferguson | TX91 Thomson 10MH73B 10MG73B | dead | SMD TF21 near LOPTx not soldered in factory | 14-09-04 |
|
Ferguson | TX91 Thomson 10MH73B 10MG73B | dead on 12V supply (car supply) | RD09, RD19 22R 0.5W fusible | 14-09-04 |
Ferguson | TX92 M7073GH | Changes chans on its own | Dry joints IR01 micro | 14-09-04 |
Goldstar | PC73A | Flyback lines at top of screen when cold | FR359 10R fusible o/c | 14-09-04 |
Grundig | CUC73 | WON'T START UP | D663 SC | 14-09-04 |
Grundig | CUC7301 | Blown psu caused by R661 220R going hi res | also replaced IC630 UC3842, T665 MJFS8004, D663 3v6 Zener | 14-09-04 |
Grundig | CUC7301 | Dead | Dry joint C669 blows T665 & IC630 | 14-09-04 |
Grundig | CUC7301 | Dead | C669 1000pf dry joints & burnt; MJF18004 T665 s/c; ZD663 had 25R reverse resistance, D624/621 1N4007 mains rects s/c & UC3842AN faulty | 14-09-04 |
Grundig | CUC7301 | Dead - Chopper T665 blown plus - | IC630, D633 3v6 zener, D662 BA157, bridge rects D621-4 1N4007, R661 220R, R663 18R, 3 x sm diodes under psu sect, dry joints C669 | 14-09-04 |