| Make | Model | Problem | Solution | Date |
| | | |
| Found: 29
|
| 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 |
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| 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 |
| Mitsubishi | EE3 | Dead; 2A fuse blown violently & chopper Q901 s/c | Replace Q901 S2000N, IC901 TEA2261, Opto coupler PC951 TCDT1124G. Check D909 zener RD3.0FB2 & R908 0R33 2w & R909 0R22 2w | 14-09-04 |
| Mitsubishi | EE3 | Green LED lit - no other activity | HT secondary supplies ok- no line drive. IC702 EEPROM may need reprog | 14-09-04 |
| Mitsubishi | EE3 | grey scale varies | CRT bias request bit could not be set to 00 with G2 control - not IC201 dec/tbase gen chip.Cured by replacing TEA5101 RGB o/p chip & diodes D655/6/7 1N4148 on crt base | 14-09-04 |
| Mitsubishi | EE3 | Lock up & memory problems | Replace C955, C702 & R3D68 also change value of R702, R213 & R214 to 1k ?w | 14-09-04 |
| Mitsubishi | EE3 | long time to come on | C955 2200µ for 11.5v supply | 14-09-04 |
| Mitsubishi | EE3 | Low contrast, smeary, f back lines | R686 on crt base (1k8) | 14-09-04 |
| Mitsubishi | EE3 CT25AV1BDS | Herringbone pattern, flashing lines etc with no pic for 5 minutes. Picture then slowly appears | C956 470uF 6.3V | 14-09-04 |
| Mitsubishi | EE3W | Service mode access | Press MENU, 2, 3, 5, 7 to access service mode, then press * (star key). Use 2 & 8 to navigate up and down the options, 4 & 6 to alter values. Press 0 (zero) to memorise new value & the info turns red to denote "saved". Finally go to standby to exit menu. | 14-09-04 |