| Make | Model | Problem | Solution | Date |
| | | |
| Found: 415
|
| Diamond | DM002 Daewoo 24PF | Dead | TOP214, D12 1N4148, D819 18v zener on main board & fuse | 14-09-04 |
| Ferguson | TX90AE | Dead - RL24 burnt out and CP27 scorched | replaced and CL26 dry joints | 14-09-04 |
|
|
| Goodmans | 2066TS Daewoo | St/by only after EHT comes up | I901 TDA6103Q U/S. | 14-09-04 |
| Goodmans | 206NS Daewoo CP380 | Short/dark pic | Enter service mode to adj - special handset reqd R-305VC - buy, beg or borrow! | 14-09-04 |
| Goodmans | 215N Daewoo CP365 | Dark pic & EHT crackling | C811 & C813 100µ 50v, C812 1µ 50v cured high hT. C414 22µ 160v in LOP virtually o/c replacement cured dark pic & check C304 220µ 35v, C303 1000µ 35v near FOP chip | 14-09-04 |
| Goodmans | 285NS (Daewoo) | To set up height | Reqs special handset | 14-09-04 |
| Goodmans | 285NS Daewoo CP775 | Dead - faint tick from psu | Q401 2SD1880 LOPTr s/c, D406 BYW95C s/c - both caused by LOPTx faulty (HR7927) | 14-09-04 |
| Goodmans | 285NS Daewoo GB2898ST | Buzz on sound at low level | resolder fop chip heatsink | 14-09-04 |
| Goodmans | TVC14VP Daewoo CP310 | Dead with mains fuse o/c | Chopper tr, TDA4601 & C811 100µ | 14-09-04 |
| Goodmans | TVC202TS Daewoo | Dead | D809 HER308G leaky. | 14-09-04 |
| Goodmans | TVX201T Daewoo | No sigs & patt | CC554 10pf leaky sm in IF | 14-09-04 |
| Hitachi | C2121T Daewoo | Squealing with no sound/pic | Burning smell coming from IC301 TDA8356 FOP chip which was faulty | 14-09-04 |
| Mitsubishi | C14M7B Daewoo | Field collapse | Replace IC 301 TDA8356, & replace smoothing cap C309(47uF) with 22uf (ECEA 2A220)160 Volts. Across legs of capacitor fit a 0.1uF (ECQM2A104J),and the link marked R420 replace with 2R2/.5W safety resistor (ERQICI2HCJ2R2). Also check supply rail diode.(Part numbers are Panasonic BTW) | 14-09-04 |
| Panasonic | TX14GV1 Daewoo CP421 | Relay clicking No sound or vision | Check C840 47mfd and I807 TOP210PFI | 14-09-04 |
| Panasonic | Z185 TX14B4T Daewoo CP185 | Blank raster - OSG OK | Replace EAROM IC702 & C832; C863 in power supply; kit TZS9EK021(3 pence from SEME!) | 14-09-04 |
| Philips | G90AE | Blank raster - text Ok. | C2569 ( 33nf ) o/c. | 14-09-04 |
| Philips | G90AE | Blank raster - Txt OK | pin 7 TDA3561A was -ve instead of 3.4v; C2560 33nF o/c | 14-09-04 |
| Philips | G90AE | Blank raster & no sound | TDA5850 | 14-09-04 |
| Philips | G90AE | Blank raster , no sound , no OSD. | IC TMP47C434N-3555 IC7720. | 14-09-04 |
| Philips | G90AE | Blank raster with no sound. OSD or response to R/C | IC7720 reset line pin 33 stuck at 2v - chip had internal leak TMP47C434N-3555 | 14-09-04 |
| Philips | G90AE | BLANK SCREEN NO SOUND | RESET AT 2v IC7720 PIN 33 IF DROPS WHEN PIN 33 ISOLATED REPLACE IC TMP47C434N-3555 | 14-09-04 |
| Philips | G90AE | Blocks/Wrong OSD-indication | Disconnect pins 2 and 3 IC 7800 (TXT-uP), set functions normally.
Replace IC 7800 (MAB 8461P/W196; 4822 209 62479).
Mount metal shielding 4822 466 82783 on uP (IC 7720) with earth to jumper 9711. | 14-09-04 |
|
|
| Philips | G90AE | Characters wrong | Replace IC 7820 (SAA 5243P/E; 4822 209 30556) and
replace IC 7800 (MAB 8461P/W196; 4822 209 62479) | 14-09-04 |
| Philips | G90AE | Cogging effect | C2630 47µ 160v HT res cap also change C2631 smoother | 14-09-04 |
| Philips | G90AE | Dark picture - no remote commands. | Replace IC 7720. | 14-09-04 |
| Philips | G90AE | Dead | D6617 6v2 zener s/c; R3668 150R sm dry joint | 14-09-04 |
| Philips | G90AE | Dead - BIT11AF chopper s/c fit repair kit | Pt no 4822 310 20496 tells you to fit 2 x 1N5061. Connect in series between chopper tr base - emitter (anode to base) | 14-09-04 |
| Philips | G90AE | Dead - blows BUT11AF chopper even with kit fitted | o/c between pin 18 of chopper tfrmr & D6645 due to o/c sm link 3645 | 14-09-04 |
| Philips | G90AE | Dead - Full HT 95v with 120v ac I/p | HT reduces as mains I/p is increased - D6653 BAS32 in psu sec s/c | 14-09-04 |
| Philips | G90AE | Dead - mains fuse shattered | BUT11AF s/c - fitted repair kit & dry joint R3610 24k; 3 x BZV55/F33 6657/8/9 s/c sm. MAKE SURE SET IS NOT IN ST/BY WHEN CHECKING- IF SW OFF OIN ST/BY WILL COME BACK ON IN ST/BY | 14-09-04 |