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 | CT25A4STX CT29A | Dead , no line drive , check for momentary very low | Requires feedback from line stage or will shut down. o.c. pin , check for very low amplitude pulse , on scope , replace drive tran | ||
| MITSUBISHI | CT25A4STX | No sound, text or nicam | Fit ic702 kit | ||
| MITSUBISHI | CT25A4STX | Impurity - degaussing faulty | Replaced o/c q903 jc501r - used bc639 in lieu (same pin out) - in degaussing relay driver. | ||
| MITSUBISHI | CT25A4STX | Dead | Replace tea2261, d909 and q552 | ||
| MITSUBISHI | CT25A4STX | Buzzing on lh speaker only | C909 - increase to 1000µ | ||
| MITSUBISHI | CT25A3STX | Dead - keeps blowing loptrs | Dry joint on wire link near loptr | ||
| MITSUBISHI | CT25A3STX | `dead & no st/by led | C906 10µ 50v hi esr, q552 2sd1878 leaky - used 2sd1555 in lieu | ||
| MITSUBISHI | CT25A2STX | Sometimes trips when brought out of sby ( ht risin | C609 47mfd | ||
| MITSUBISHI | CT25A2STX | No go red led comes on then green led then both go | D909 4.3v zener | ||
| MITSUBISHI | CT25A2STX | Dead-int. | Q501 low gain | ||
| MITSUBISHI | CT25A2STX | Dead - q901 s/c. | Fit mod kit ( wve 77901 ) r901 , d908 , q901 , c908 to 2700pf , c966. | ||
| MITSUBISHI | CT25A2STX | Cuts out at sw on - ht high at 180v (145v) - will come on eventually | C906 47µ 63v in base q901 (overvolts prot) | ||
| MITSUBISHI | CT25A2STX | Cuts off totally 5 seconds after switch on keep pressing | Measure h.t if rises up to 180v then back to 145v replace c906 ( 47uf ) | ||
| MITSUBISHI | CT25A2STX | Colour sub-caier off speed | C604 open | ||
| MITSUBISHI | CT2555TX | Wavy lines at sw on - clear when heated | C920 470µ 25v in reg stage next to large heatsink | ||
| MITSUBISHI | CT2555STX | Very weak luma with flaring. | Clean glue off luma /chroma board & reconnect gap left in tracks. | ||
| MITSUBISHI | CT2555STX | Picture wobble / line tearing type fault | Check for dry joints at lopt screen where it connects to print | ||
| MITSUBISHI | CT2555STX | No luminance | R286 o/c 100Ω | ||
| MITSUBISHI | CT2555STX | No lum - txt & contrast ok | R286 100r o/c pin 11 ic602 | ||
| MITSUBISHI | CT2555STX | No lum | No 12v to q253 as print o/c top edge of dec pcb |