MITSUBISHI TV Repair: Common Faults and Solutions.


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Search: MITSUBISHI
Results: 1346

MITSUBISHI Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
MITSUBISHIC28D7B
No soundIc3a1 ic3a2 and ic3b1. it is always the middle one that goes s/c and blows z902 which then removes the 28v supply to these ics. you can check which one is s/c by unsoldering pin 9 of each ic one at a time and the check for s/c across plug de which is the 28v supply
MITSUBISHIC28C7B
No sound or pic, ht at 145v & green led flashingQ501 jc501r line dr tr leaky - pt no mits260p748030
MITSUBISHIC28C7B
No soundNicam pcb pt no 921c216005
MITSUBISHIC28C7B
No soundFaulty nicam pcb
MITSUBISHIC28C7B
No picture - sound okC655 0µ015 2kv leaky
MITSUBISHIC28C7B
Int col & blows q552 loptrDry joints earth links grounding c607 & pin 30 ic201 jungle chip
MITSUBISHIC28AV18
No sound aft customer had been trying to "tune"Reprog eeprom - sound setting should be either 10 or 2 if 10 is not poss
MITSUBISHIC2857B
Dead with st/by light flashingAll psu sec volts ok - line dr at loptr base dist - q501 faulty (ok tested out of cct)
MITSUBISHIC25M2TX
Field collapseAn5521 fop chip & c454 100µ 35v hi esr
MITSUBISHIC25D7B
Slow start up, no txt, juddering pic & vol slowEeprom faulty pt no mits274p747010 & change ic701 pt no mits274p755050
MITSUBISHIC25D7B
No surround sound - when selecting in menu it shows "off" & can't be turned back onSoftware bug - select special menu & ensure "standard tv" is set to "off", sw off for 30 secs. sw back on & surround sound can now be set
MITSUBISHIC25D7B
No surround soundSelect special menu,ensure "standard tv" is "off" switch off for 30 secs
MITSUBISHIC25C7B
No pic aft 5-10 mins - sound okDry joints xtal resonator x701
MITSUBISHIC25C7B
Int no green looks like crtReplace ic660 on crt base
MITSUBISHIC25C7B
Int no green aft 30 minsIc660 tea50101b on crt base
MITSUBISHIC25C7B
Frame collapse and no soundReplace z551, d507, and ic551
MITSUBISHIC25C7B
Field collapse & no soundZ551 o/c due to d507 s/c & ic551 e/w chip s/c pin 6
MITSUBISHIC25C7B
Dead - green led fast flashing - after psu repairQ901, q552, d909 s/c, r991 o/c, c914 47µ low cap & q501 leaky
MITSUBISHIC25C7B
Col flashes on screen, col sat varies - intDry joint chroma xtale 601 and 602
MITSUBISHIC25A4STX EURO 4
Dead , line op transistor sc.Replace c906 47uf 63v , r901 4r7 10w q901 , ic901 , d907 , d908 ( both rd3.ofb1 ) and c975 47uf 63v.