toshiba 28MW7DB Repair Tips
Search: 28MW7DB toshiba
Results 5
Results 5
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Toshiba | 28MW7DB/G 32MW7DB/G | Freeze frame of noise/no sync/slo-mo pic etc | VD pulse o/p pin 31 IC501 low amplitude (0.9v p-p instead of 5v p-p). IC501 Q501 part no B0385990 faulty | ||
| Toshiba | 28MW7DB, 32MW7DB | Various - freeze frame of noise, line speed off, no sync & slow motion pic | Low ampl VD pulse from IC501 pin 31 (0.9v instead of 5v p-p) - chip faulty | ||
| Toshiba | 28MW7DB, 32MW7DB | Pic shift to right 3 -4", can be correected in serv mode but OSD still shifted | C4403 pin 4 IC Q420 dry joint | ||
| Toshiba | 28MW7DB | when a dark object appears on bright background, overal picture brightness increases, then settles to normal | wrong option codes. Enter design mode and change options BS2, 2BS2, 3BS2, WBS2, NBS2 from 0BH to 07H | ||
| Toshiba | 28MW7DB | service mode/ design mode | press MUTE on R/C once, then press and hold again while pressing MENU on front panel. 'S' appears on top right corner. To switch to design mode hold CALL on R/C while pressing MENU on TV, 'S' on screen should turn to 'D'. |