Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Mitsubishi | CT21M1BM CT25M1 | POPPING NOISE IN STBY WORKS OK WHEN ON | Q951 Q952 OR DRYS ON CONNECTOR PB , R954 , R974 , R985 | ||
Mitsubishi | CT21M1BM | Sides of pic moving in & out | C906 in psu - also check other caps in psu | ||
Mitsubishi | CT21M1BM | RED LED LIT BUT WONT COME ON | DRY JOINTS ON CF701 4Mhz CRYSTAL ON PINS 28 AND 29 IC701 | ||
Mitsubishi | CT21M1BM | Int stuck in standby. | Drys on CF701 Xtal , on/around IC701. | ||
Mitsubishi | CT21AV1BS | St/by only | C955 2200µ sec psu hi esr | ||
Mitsubishi | CT21AV1BS | Dead | All psu o/ps ok but no line drive - IC ST24C08 memory IC | ||
Mitsubishi | CT21AV1BS | col level int | Q704 JC501 blanking tr on main pcb | ||
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 | ||
Mitsubishi | CT21AV1B EE3 | Dead - psu fault | Q952 s/c D957 s/c Z953 o/c - mod kit 8VREG-KIT available if Q952 u/s | ||
Mitsubishi | CT21AV1B | Line collapse | R910 100R 1w, C901 (marked as C5D3) 470n 400v & resolder dries in the area | ||
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 | ||
Mitsubishi | CT21AV1 CT25AV1 | Failure of Q552 | Order & fit AVM5KIT | ||
Mitsubishi | CT21A5STX | Slow start up | C906 47µ 50v hi esr | ||
Mitsubishi | CT21A5STX | PATTERN ON SCREEN | REPLACE C957 AND C959 | ||
Mitsubishi | CT21A5STX | Int start up/switches off | Dry joint Q954 - also check C905/914 & other dry joints |