Make | Model | Problem | Solution | Date |
| | | |
Found: 167
|
Alba | CTV4808 11AK19E3 | No tuning but tuning bar moves | Q501 BF240 - BC548C works in this position | 14-09-04 |
Bush | 2571NTX 11AK19E3 | Narrow pic with no E-W corr adj | R629 safety res 2R7 1/2w feeding BUK444 o/c - C630 dry joint caused it | 14-09-04 |
|
Bush | 2863NTX 11AK19E3 | Dead with HT of 16v - ok on dummy load | Supply to 5v reg missing - R867 0R33 o/c | 14-09-04 |
Bush | 2872NTX 11AK19-E3 | Dead | R870n 0R22 in psu o/c due to C833 arcing against chopper Tr heatsink | 14-09-04 |
Bush | 2876NTX 11AK19E3 | Blank raster with 2 blue, 2 green, then 2 red, thin horizontal lines, approx. one third down screen | R 704, 100R o/c. Supply to pin 6 of frame I/C TDA 8351 caused by bad joint
on L602 | 14-09-04 |
Goldstar | WE32Q101P | Front touch key pad inoperative | Micro IC01 has to be replaced with upgraded version 01S0750011A. EEPROM settings also need adj which reqs service remote 6710V00036Y | 14-09-04 |
Granada | C51ME3 | No drive to blue gun of tube | Feedback/bias resistor R922 100Kohm o/c | 14-09-04 |
Loewe | E3000 | Dead - burnt comps in psu | D630 22R, D630 gp sw diode | 14-09-04 |
Lowe | E3000 | Attempts to start but goes into prot mode (not st/by) | Dis HT from LOP stage restores HT - BA157, feeding the 27Volts, from the loptx was shorted, | 14-09-04 |
Mitsubishi | CT21AV1B EE3 | Dead - psu fault | Q952 s/c D957 s/c Z953 o/c - mod kit 8VREG-KIT available if Q952 u/s | 14-09-04 |
Mitsubishi | CT21AV1B EE3 | Dead with green LED lit | PSU running but no line drive - mod = C702 from 1000mfd to 10mfd 25v, check C955 is 3300mfd 16v. Replace R702, 213, 214 with 1k 1/4w | 14-09-04 |
Mitsubishi | CT25AV1 EE3 | Dead - LOPTr leaky | TEA2031A E/W corr chip s/c | 14-09-04 |
Mitsubishi | CT25AV1 EE3 | Dead - no line drive | Q501 JC501-R faulty - 2SC1815 used as replacement | 14-09-04 |
Mitsubishi | CT25AV1BD EE3 | Blank raster with no sound or osd | No 8v - fit kit 8vREG-KIT from SEME | 14-09-04 |
Mitsubishi | CT25AV1BD EE3 | Dead - Green LED lit | change C702 to 10uf & C955 to 3300uf also change R702 R213 & R214 from 220R to 1k & reset eeprom | 14-09-04 |
Mitsubishi | CT25AV1BD EE3 | Dead - LOPTr s/c | TEA2031A E/W chip IC551 faulty, R510 100R 2w overheating due to L501 6800uH shorted turns | 14-09-04 |
Mitsubishi | CT25AV1BDS EE3 | Int blows LOPTr at sw on from cold & lack of height/int contrast from cold | C956 6.3V 470uF in 5V supply. | 14-09-04 |
Mitsubishi | CT25AV1BS EE3 | Blank raster with sound | Vid signal enters pin 42 IC201 but no o/ps - eventually found due to no 12v crt base - R514 0R82 1/2w safety res o/c | 14-09-04 |
Mitsubishi | CT25AV1BS EE3 | Dead - off with burning smell - green LED perm lit | CSD3 470n 400v o/c - looks stressed cause of trouble. Also R510 100R 1/2w o/c - also replaced TEA2031A | 14-09-04 |
Mitsubishi | CT25AV1BS EE3 | Field collapse | TDA8171 & R516 0R82 1/2w o/c | 14-09-04 |
Mitsubishi | CT25AV1BS EE3 | No E/W or width control (after CSD3 470n replaced) | L504 burnt & shorted windings - rewound with 493 turns - also check TDA2013A E/W chip | 14-09-04 |
Mitsubishi | CT25AVBDS EE3 | Int sw on/ off - G LED lights but no pic/sound (no line drive) | C956 470uF 6.3v in secondary power supply circuit, close to IC951 | 14-09-04 |
|
Mitsubishi | EE3 | Bank raster/no sound - OSD ok | Z953 1.6A cct prot. Has been uprated to 3.15A in sets incorporating sat Rx | 14-09-04 |
Mitsubishi | EE3 | Crushed whites | Q952 8v reg dry joints | 14-09-04 |
Mitsubishi | EE3 | Dead | AVN5-KIT is available when Q552 has gone s/c - includes R713 1k, R726 5k6, Q552 2SD1556, Q901 S2000N, R508 3k9 5w, R991 4R7 10w, D909 RD3.0FB2 zener, an additional cap C720 22pf | 14-09-04 |
Mitsubishi | EE3 | Dead | Cct prot o/c - uprated to 3.15A from 2A also could be start up res R915 15R 2W, R922, R921 & R902 22k 2w | 14-09-04 |
Mitsubishi | EE3 | Dead - LOP tr S2055N leaky then no line dr | Q551 fully conducting, Q501 JC501-R u/s | 14-09-04 |
Mitsubishi | EE3 | Dead - Q552 s/c due to high hT | C914 47µ 35v o/c | 14-09-04 |
Mitsubishi | EE3 | Dead apart from flashing red/green LEDs | C955 1000µ 16v | 14-09-04 |
Mitsubishi | EE3 | Dead- initially long time to come on | C914 47µ 35v, C955 1000µ 16v | 14-09-04 |