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 | EURO 4Z | Dead - z902 650ma cct prot o/c & 5v reg o/c | Caused bt s/c across 5v rail - ic7704 mab8461-w115 on txt pcb | ||
| MITSUBISHI | EURO 4Z | Buzz on chan change & no mono sound | 6mhz resonator x3 in if module | ||
| MITSUBISHI | EURO 4Z | Broad horiz black bands at sw on | C922/923 100µ 5v smoothers | ||
| MITSUBISHI | EURO 4Z | Black lines , poor sync, no txt (until warm) | C959, 962 100µ | ||
| MITSUBISHI | EURO 4 | Won't store chans - prev stored ones ok | No -30v to eeprom - comes from st/by tfmr - had o/c winding | ||
| MITSUBISHI | EURO 4 | Severe patt at sw on | C920 470µ 25v | ||
| MITSUBISHI | EURO 4 | Rolling / excessive width | Ht hi at 180v; c908 10µ 100v -40v reservoir cap u/s | ||
| MITSUBISHI | EURO 4 | Poor video/luma/flaring | Glue can cause tis problem - scrape off | ||
| MITSUBISHI | EURO 4 | Poor ht reg on bright scenes | C908 10µ 100v; c909 47µ 50v both 105deg | ||
| MITSUBISHI | EURO 4 | Pic int fades out | Dry joint pin 9 of socket to crt base | ||
| MITSUBISHI | EURO 4 | No tuning memory or signals - can be tuned in but not stored | No -30v at pin 2 ic702 tuning memory chip; standby trnfmr t951 had o/c sec winding which was possible to repair - also could be c958/c562 | ||
| MITSUBISHI | EURO 4 | No start up | R975 o/c; q951 s/c | ||
| MITSUBISHI | EURO 4 | No sound/pic - ht ok | No line drive as line dr trfmr dry joints | ||
| MITSUBISHI | EURO 4 | No raster - sound ok - field collapse | No 24v to fop chip ic401 an5521 at pin 27, r563 0r82 safety res o/c - chip also suspect | ||
| MITSUBISHI | EURO 4 | Int luminance with parts of pic breaking up | Ic602 tda4565 virtually no o/p pin 11 - chip faulty | ||
| MITSUBISHI | EURO 4 | Ht varies with brightness & corrugated verts | R913 hi res contact at mounting lugs; ht = 110v for 51cm | ||
| MITSUBISHI | EURO 4 | Horizontal lines and streaks | C920 470µ in 15v supply line or c908 10µ 100v or c925 10µ 25v | ||
| MITSUBISHI | EURO 4 | Dead - high ht of 190v (156v) & loptr s/c | Check c908 10µ 100v & ic901 str59041 & c909 47µ 50v | ||
| MITSUBISHI | EURO 4 | Dead - fuse o/c | Str59041 s/c caused by leaky jc501r power sw tr (use 2sc1815 in lieu) | ||
| MITSUBISHI | EURO 4 | Dead | Loptx s/c between pins 2 & 7 |