| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4
|
| Matsui | 20TN (D4N) | Flyback lines across top ? of pic & fold over - ok in widescreen | neg supply missing from TDA8351 fop chip. R424 22R o/c | 14-09-04 |
| Matsui | 20TN (Tatung D4N) | To enter service mode after EEPROM corrupted - no sound or OSD (just black blank window) | Fit link across 2 pins of PL701, ensure aerial is in, and power up from H/set; Press Chan down 3 times. You are now in text mix mode, Adjust using vol+, Press TV button to store. Press Red Fastext button, Adjust contrast using vol+, this will restore graphics. Press TV button to store. Switch off, remove link. | 14-09-04 |
| Tatung | D4N | No sound or OSD - micro corrupt | fit link across 2 pins of PL701, ensure aerial is in, and power up.From H/set;Press Ch down 3 times
You are now in text mix mode, Adjust using vol+; Press TV button to store; Press Red Fastext button,
Adjust contrast using vol+; Press TV button to store; Switch off, remove link;
Sound,- Use menu to select balance, shift to left then to centre to reset sound | 14-09-04 |
| Tatung | D4N | No sync, col, OSG or Txt | Reset Micro as follows..SC Tags adjacent to micro, switch on & press CH down 5 times to select Mix mode, press V+ to restore colour level onText. Press TV on remote to restore, switch off and remove link.
Next time you switch on all should be restored. | 14-09-04 |