Make | Model | Problem | Solution | Date |
| | | |
Found: 94
|
Granada | C14BA2 | off burning smell | Q902 leaky | 14-09-04 |
LG | CI14B50F 11.1 | St/by only - no line dr | No 12v supply to line dr trfmr Tr101. Check back from pin 15 chopper trfmr - R410 0R1 o/c & dry joints chopper trfmr | 14-09-04 |
Mitsubishi | CP1424B | Vertical ringing on left hand side of screen. | Poor earth connection to C905 ( 33uf ) in PSU. | 14-09-04 |
Mitsubishi | CT2004B | Frame - height varing. | VR401 , IC401 ( HA11414 ) , F572 high. | 14-09-04 |
Mitsubishi | CT2124BM | Dead | C964 100µ50v o/c | 14-09-04 |
Mitsubishi | CT2124BM | Dead | C962 100µ & C974 10µ in -30v supply6had leaked & corroded adjacent print, also C965 220µ leaky in 12v supply | 14-09-04 |
Mitsubishi | CT2124BM | Loss of tuning memory | check IC702 for 5v at pin1 & -30v at pin 2. If missing check back to psu, if ok replace chip. | 14-09-04 |
MITSUBISHI | CT2124BM | NOT SWITCHING ON FROM COLD | REPLACE C964 100MFD50V | 14-09-04 |
Panasonic | TX14B3T Z375 chassis | Field collapse noticed when A1s advanced | IC301 TDA8456 - also do following mod - change C309 to 22µ 100v, add 0µ01 across R310 & fit 2R2 1w in place of jumper R420 | 14-09-04 |
Panasonic | TX14B4T | No signals found when tuning | Earom replacement IC702 24C14 & mod kit fitted | 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 |
Panasonic | Z185 TX14BT | Tuning absent | Replace eeprom 24C16 with new reprogrammed chip | 14-09-04 |
Sanyo | CE28WN4B | Excess height & E-W faulty | Fit mod kit B10H04N1C or B10H04D0L if Dolby Pro Logic set | 14-09-04 |
Sanyo | CE28WN4B | Int Cuts out with LED flashing (prot mode) | To disable prot mode dis R648 - after a while crt heaters went out due to dry joint | 14-09-04 |
Sanyo | CE28WN4B | St/by only with LED flashing | R620 120k hi res | 14-09-04 |
Sanyo | EB6-A28 CE28WN4-B-01 | Service mode access | Push green fastext key while pushing prog down key on front of set. To adjust geometry make sure pic size is set to "Full" before starting, select "Wide" under options & select parameter using prog + & - adj with vol + & - and switch off to store. Mod kit available from SEME for this fault | 14-09-04 |
SEG | TVC2554B | Dead - LOPTr BU808DXI s/c | C125 47uF 16V Loptr: replace with BU808DFI | 14-09-04 |
Sharp | 14B | st/by only | vid proc IC801 TDA8362 u/s - line osc section dead | 14-09-04 |
Sharp | 4BS-B | lop tr blown replacement overheats | line drive incorrect. 5v supply at IC2801 low - IC751 KA7805PI faulty | 14-09-04 |
Sharp | 4BSA | Int trip with front LED flashing | D602 1N4936 in psu | 14-09-04 |
Sharp | 4BSA DV5161H | int. goes to stby | resolder blue tuning cap C610 near LOPTx | 14-09-04 |
Sharp | 4BSA DV5161H | unstable line output from cold, no teletext | EEPROM IC1002 (CHIX1463CJHA), Q1010 BC338 o/c B-E, R604 3k3 0.33W o/c | 14-09-04 |
Sharp | 4BSC | Dead after initial HT supply rise | IC600 forms part of trip cct. R645 1R 1W safety res o/c | 14-09-04 |
Sharp | 4BSC | EHT dies away at sw on | R465 1R o/c supply to field chip usually - 12v reg this time | 14-09-04 |
Sharp | 4BSC | Trips int with burning smell - brief field coll noticed | IC500 fop chip burnt, C506 100µ 25v faulty | 14-09-04 |
Sharp | 4BSC 66AS05H | blank raster, OSD ok | SMD Q400 2SC2412/BC848 s/c (video buffer transistor) | 14-09-04 |
Sharp | 4BSC 66AS05H | Dead | Lop tr Q600 2SD1546 u/s. Line drive wfm at C607 cramped - Q606 2SC2412 sm leaky | 14-09-04 |
Sharp | 4BSC 66AS05H | Dead - LOPTr 2SD1546 failed | Replacement only lasted days - IC800 MC44002P line drive pin 12 only 1v instead of 3v - chip faulty. Also check state of Q601 2SC2271 dr tr & Q606 pre driver tr | 14-09-04 |
Sharp | 4BSC 66AS05H | Dead - no line drive | IC800 MC44002 jungle chip faulty | 14-09-04 |
Sharp | 4BSC 66AS05H | Dead with ticking | LOPTr s/c due to dry joints scan coil plug | 14-09-04 |