| Make | Model | Problem | Solution | Date |
| | | |
| Found: 561
|
| Mitsubishi | CT2155STX | herringbone pattern | C920 470µ 25v | 14-09-04 |
| Mitsubishi | CT2155STX | Herringbone patterning | Check dry joints IF module, or caps around 12v reg IC902 & caps in psu pri | 14-09-04 |
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| Mitsubishi | CT2155STX CT215 | PATTERNING ON PIC FROM COLD | C920 ( 470uF ) C925 ( 10uF ) & D/J around IC902 | 14-09-04 |
| Mitsubishi | CT21A2 | WHINE ON NICAM RECEPTION ONLY | LINK C3346 & C3342 CATHODES | 14-09-04 |
| Mitsubishi | CT21A2STX | Dead - Q901 s/c. | Fit mod kit ( wVe 77901 ) R901 , D908 , Q901 , C908 to 2700pf , C966. | 14-09-04 |
| Mitsubishi | CT21A2STX etc | Dead - LOPTr Q522 s/c | C905 (470µF, 35V), C906 (47µF, 50V), C909 (2.2µF, 50V) and C920 (100µF, 25V).Note that the transistor type varies with screen size, With a 21in. tube it's type
2SD1877, part no, 260P606010; with a 25in, tube it's type 2SD1878 (part no, 260P607010)
while with a 29in. CRT it's type 2SD1879 (part no. 260P608010), | 14-09-04 |
| Mitsubishi | CT21A3STX | Pattern obliterates sound/pic - ok via scart | C9, 13, 21 & 26 0µ47 in IF unit | 14-09-04 |
| Mitsubishi | CT21A3STX | SOUND MUTES INT | Q1A1 ON DET PCB Pt No 260P543050 | 14-09-04 |
| Mitsubishi | CT21A5STX | Int start up/switches off | Dry joint Q954 - also check C905/914 & other dry joints | 14-09-04 |
| Mitsubishi | CT21A5STX | PATTERN ON SCREEN | REPLACE C957 AND C959 | 14-09-04 |
| Mitsubishi | CT21A5STX | Slow start up | C906 47µ 50v hi esr | 14-09-04 |
| Mitsubishi | CT21AV1 CT25AV1 | Failure of Q552 | Order & fit AVM5KIT | 14-09-04 |
| Mitsubishi | CT21AV1 CT25AV1 | Tuning drift mainly at top end of band | Add ( 180K ) & Diode ( IN4148 ) in series cathode of diode to 5V pin 6 Tuner & res to Tuning Voltage line pin 2 | 14-09-04 |
| Mitsubishi | CT21AV1B | Line collapse | R910 100R 1w, C901 (marked as C5D3) 470n 400v & resolder dries in the area | 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 | CT21AV1BS | col level int | Q704 JC501 blanking tr on main pcb | 14-09-04 |
| Mitsubishi | CT21AV1BS | Dead | All psu o/ps ok but no line drive - IC ST24C08 memory IC | 14-09-04 |
| Mitsubishi | CT21AV1BS | St/by only | C955 2200µ sec psu hi esr | 14-09-04 |
| Mitsubishi | CT21M1BM | Int stuck in standby. | Drys on CF701 Xtal , on/around IC701. | 14-09-04 |
| Mitsubishi | CT21M1BM | RED LED LIT BUT WONT COME ON | DRY JOINTS ON CF701 4Mhz CRYSTAL ON PINS 28 AND 29 IC701 | 14-09-04 |
| Mitsubishi | CT21M1BM | Sides of pic moving in & out | C906 in psu - also check other caps in psu | 14-09-04 |
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| Mitsubishi | CT21M1BM CT25M1 | POPPING NOISE IN STBY WORKS OK WHEN ON | Q951 Q952 OR DRYS ON CONNECTOR PB , R954 , R974 , R985 | 14-09-04 |
| Mitsubishi | CT21M1TX | Field chip int blows | C909 2µ2 in psu int causing excess HT | 14-09-04 |
| Mitsubishi | CT21M1TX | STARTS + SHUTS DOWN IMMEDIATELY | OPTOCOUPLER PC951 OR D905 , R905 | 14-09-04 |
| Mitsubishi | CT21M1TX | Unstable pic on dark scenes | C906 47µ 25v in psu | 14-09-04 |
| Mitsubishi | CT21M1TX | Unstable pic when cold | C905 470µ 25v in pri psu | 14-09-04 |
| Mitsubishi | CT21M3STX | LOW HT | Q953 JC501 Pt No 260P543050 | 14-09-04 |
| Mitsubishi | CT21M3TX | No signals | R702 22k in 33v line o/c | 14-09-04 |
| Mitsubishi | CT21M3TX | No store tune & r/c responses spurious | X24C04P eeprom & check caps in psu - used SDA2516 in lieu | 14-09-04 |