MITSUBISHI TV Repair: Common Faults and Solutions.
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Results: 1346
Results: 1346
MITSUBISHI Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| MITSUBISHI | EE4 CT21M5BT | Reverts to st/by aft 15mins with a sqeal | Ht was too high at 137v, due to r954 (120k in this set) going high | ||
| MITSUBISHI | EE4 -M5 MODELS | To enter service mode | Press & release s701 next to aerial socket, then press "9" on hset within 5 secs. buttons 2 & 8 select adj code, buttons 4 & 6 adj data value. button 1 cancels written data, button 0 stores data into eeprom see article tv jan 99 for more details | ||
| MITSUBISHI | EE4 | Trips once at sw on - ok on dummy load | Tea5101b rgb o/p chip ic660 s/c | ||
| MITSUBISHI | EE4 | Service mode accessing | Press the service switch (s701, next to the aerial socket) and then button 9 within 5 seconds press the * button to toggle between the vcj or option adjustment display. press buttons 2 or 8 to increase or decrease the adjustment code number. press buttons 6 or 4 to increase or decrease data value. after the adjustments, press 0 to write the adjustment data to the eeprom.to cancel a change, press button 1 and all data adjusted since the last eeprom write will be reset.tun 0 option settings for ct25av1bs = sat 1, aud 10, ats 1, std 1, sys 1, av1 2, eex -, spk 1, eep -, abg 02, a1 02, al 00, adk 15, mnp 70, txt -, fft 1, vol 74, hyp 1, scp 20, fmp 23 | ||
| MITSUBISHI | EE4 | Dead or int dead - brief flash of green led at sw on | Dry joints opto isol pc951 | ||
| 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. | ||
| MITSUBISHI | EE3 CT25AV1BDS | Herringbone pattern, flashing lines etc with no pic for 5 minutes. picture then slowly appears | C956 470uf 6.3v | ||
| MITSUBISHI | EE3 | Low contrast, smeary, f back lines | R686 on crt base (1k8) | ||
| MITSUBISHI | EE3 | Long time to come on | C955 2200µ for 11.5v supply | ||
| MITSUBISHI | EE3 | Lock up & memory problems | Replace c955, c702 & r3d68 also change value of r702, r213 & r214 to 1k ¼w | ||
| 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 | ||
| MITSUBISHI | EE3 | Green led lit - no other activity | Ht secondary supplies ok- no line drive. ic702 eeprom may need reprog | ||
| 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 | ||
| MITSUBISHI | EE3 | Dead- initially long time to come on | C914 47µ 35v, c955 1000µ 16v | ||
| MITSUBISHI | EE3 | Dead apart from flashing red/green leds | C955 1000µ 16v | ||
| MITSUBISHI | EE3 | Dead - q552 s/c due to high ht | C914 47µ 35v o/c | ||
| MITSUBISHI | EE3 | Dead - lop tr s2055n leaky then no line dr | Q551 fully conducting, q501 jc501-r u/s | ||
| 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 | ||
| 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 | ||
| MITSUBISHI | EE3 | Crushed whites | Q952 8v reg dry joints |