TOSHIBA MD20FL3
Manual de Servicio

ELECTRICAL ADJUSTMENTS
2-20: SUB TINT CENTER 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the oscilloscope to TP803. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (12) on the remote control to select "TNTC". 5. Press the RIGHT/LEFT button on the remote control until the waveform becomes as shown in Fig. 2-2. 6. Receive the color bar pattern. (Audio Video Input) 7. Press the INPUT SELECT button on the remote control to set to the AV mode. 8. Using the remote control, set the brightness, contrast, color and tint to normal position. 9. Activate the adjustment mode display of Fig. 1-1 and press the channel button (43) on the remote control to select "TNTCA". 10. Press the RIGHT/LEFT button on the remote control until the waveform becomes as shown in Fig. 2-2. 11. Press the TV/DVD button on the remote control to set to the DVD mode. 12. Activate the adjustment mode display of Fig. 1-1 and press the channel button (55) on the remote control to select "TNTCD". 13. Press the RIGHT/LEFT button on the remote control until the waveform becomes as shown in Fig. 2-3. 2-21: SUB COLOR CENTER 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the oscilloscop to TP801. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (09) on the remote control to select "COLC". 5. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 4 scales on the screen of the oscilloscope. 6. Press the RIGHT/LEFT button on the remote control until the red color level is adjusted to 120 ± 5% of the white level. (Refer to Fig. 2-4) 7. Receive the color bar pattern. (Audio Video Input) 8. Press the INPUT SELECT button on the remote control to set to the AV mode. 9. Using the remote control, set the brightness, contrast, color and tint to normal position. 10. Activate the adjustment mode display of Fig. 1-1 and press the channel button (40) on the remote control to select "COLCA". 11. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 4 scales on the screen of the oscilloscope. 12. Press the RIGHT/LEFT button on the remote control until the red color level is adjusted to 120 ± 5% of the white level. (Refer to Fig. 2-4) 13. Press the TV/DVD button on the remote control to set to the DVD mode. 14. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "COLCD". 15. Press the RIGHT/LEFT button on the remote control to increase the step numbers by 3 steps to the AV. White 0% Fig. 2-2 0%

100% White 100% Red Level Fig. 2-3

Fig. 2-4