Make | Model | Problem | Solution | Date |
| | | |
Found: 561
|
Mitsubishi | CT25AV1BS | No sound - pic ok | reset eeprom settings from infomation provided by Darren Hoskin & Graham Cooke | 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 | CT25AVIBDS | Slow startup. | Change C955 ( 2200uf ) | 14-09-04 |
Mitsubishi | Ct25B2STX | buzz on sound - flat pic | 0.47µ 50v electrolytic in if and dry joints in if | 14-09-04 |
Mitsubishi | CT25B2STX | Dead - Q901 s/c. | Fit mod kit ( wVe 77901 ) R901 , D908 , Q901 , C908 to 2700pf , C966. | 14-09-04 |
Mitsubishi | CT25B2STX | Field collapse | IC451 TDA8178S - if TDA8171 used mod reqd | 14-09-04 |
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Mitsubishi | CT25B2STX | Field collapse - replacement of FOP chip | When replacing failed IC451 TDA8178S check elects in field & psu ccts; note TDA8178 nla - use TDA8171 & mod kit usually supplied with it | 14-09-04 |
Mitsubishi | CT25B2STX | FIELD COLLAPSE , NO 30V RAIL | IC551 ( EW ) & R976 , ALSO CHECK Z551 | 14-09-04 |
Mitsubishi | CT25B2STX | FRAME COLLAPSE | REPLACE IC451 | 14-09-04 |
Mitsubishi | CT25B2STX | Nicam dropout with crackling | Dry joints IF unit | 14-09-04 |
Mitsubishi | CT25B2STX | No sound | Format EEPROM as per manual | 14-09-04 |
Mitsubishi | CT25B2STX | Several attempts reqd to sw on & HT high initially | C909 2.2uF in primary of PSU. | 14-09-04 |
Mitsubishi | CT25B2STX | Smeary video esp when cold | Check/replace caps in IF can | 14-09-04 |
Mitsubishi | CT25B3STX | Field o/p IC have short life | Fit MITSIKIT1 & check C906 47µ 50v, C909 change from 2µ2 to 10µ, D907 3v 1w zener & C960/956 1000µ 35v, C452 220µ 35v & dry joints around crt yoke & scan coils plug | 14-09-04 |
Mitsubishi | CT25B3STX | No E-W corr | IC551 TEA2031 | 14-09-04 |
Mitsubishi | CT25B3STX | Pic blanks out into a small square | replaced C965,C970,C987,C974,C718. | 14-09-04 |
Mitsubishi | CT25M1 | Juddering raster | C906 4µ7 25v chopper dr cap | 14-09-04 |
Mitsubishi | CT25M1STX | BLANK/NO VIDEO | Q702 JC501 | 14-09-04 |
Mitsubishi | CT25M1TX | Dead - psu working | crack in print coll of lop tr - also change C906 47µ, C905 470µ | 14-09-04 |
Mitsubishi | CT25M1TX | Field roll int & bent verts | C906 47µ 25v in psu | 14-09-04 |
Mitsubishi | CT25M1TX | HORIZONTAL LINES ON SCREEN AND WHISTLING | C956 2200uF 16v | 14-09-04 |
Mitsubishi | CT25M1TX | INT BLANK SCREEN+NO SOUND | IC2A2 Q2A2 AUDIO ONLY Q104 | 14-09-04 |
Mitsubishi | CT25M1TX | INT LOSS OF S/V , CHECK FOR VIDEO IP. AND OP. AT AV | IF THERES AN OP. WITH SCART BUT NOT RF , SUSPECT Q2A2 JC501-QR PtNo 266P064010 IF NO PIC BUT SOUND OK CHANGE Q104 JC501. IF U | 14-09-04 |
Mitsubishi | CT25M1TX | LOW CONTRAST AND FLYBACK LINES | Check for 2.9V at pin 7 IC251 if low Q704 u/s | 14-09-04 |
Mitsubishi | CT25M1TX | MOTOR BOATING IN STANDBY | REPLACE Q951 IN POWER SUPPLY | 14-09-04 |
Mitsubishi | CT25M1TX | Motorboating type hum from spkrs in st/by | Q951 leaky in PSU sec | 14-09-04 |