Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Beko | 11214T | Int no pic - sound ok | thyristor T701 ESM740 goes o/c intermittently ESM740 no longer available, use TR03-400T and add a 47 Ohm 0.5W resistor from gate to ground. | ||
Beko | 30320 | Pic int fades out | Invisible dry joint on LOPTx pin (CRT Htrs) | ||
Beko | 28128 | Dead | Chopper Trfmr shorted - found aft many K2545's later | ||
Beko | 20320 | No B in txt | C501 10nF on main pcb o/c | ||
Beko | 20320 | Field collapse | Replace R734 (1k5), D704 (BA 157). | ||
Beko | 16328 | dead | s/c lopt use HR7218 | ||
Beko | 15225 | Pic shifted vertically | For up check R717, R722 1M; for down check R725 150k | ||
Beko | 14212 | Tuning drifts | C458 100nF sm near tuner or C460 breaking down (in parallel with C457 - not shown on diag) 0µ47 63v | ||
Beko | 12220 | Trips off at sw on - HT = 125v on bulb | D801 BY299 s/c - LOPTX could be the cause | ||
Beko | 12220 | Top quarter of screen lit & blank - rest black | R717 1M o/c - connected to pin 5 TEA2029 also check R722 in series 1M | ||
Beko | 12220 | Top ¼ of screen lit, rest blanked | R717 1M o/c also check R722 1M | ||
Beko | 12220 | Int pic/sound - disappears with flashing on screen and noise thro speaker | Xtal Q701 in front of IC701 | ||
Beko | 12220 | Col int | Dec panel plugs int | ||
Beko | 12220 | Blank screen with buzzing & Thy overheats | R725 hi res | ||
Beko | 10214 | PICTURE SHIFTED DOWN | R725 150k |