TOSHIBA MW20FP1
Manual de Servicio

ELECTRICAL ADJUSTMENTS
2-11: BRIGHT CENTER 1. Receive the monoscope pattern. (RF Input) 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "BRI CENT". 4. Press the VOL. UP/DOWN button on the remote control until the white 10% is starting to be visible 5. Receive the monoscope pattern. (Audio Video Input) 6. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 2~4. 7. Press the DVD button on the remote control to set to the DVD mode. 8. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "BRI CENT". 9. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. 2-12: TINT 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 (26) on the remote control to select "TINT". 5. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes a straight line (Refer to Fig. 2-3). 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. Then perform the above adjustments 2~5. 8. Press the DVD button on the remote control to set to the DVD mode. 9. Activate the adjustment mode display of Fig. 1-1 and press the channel button (26) on the remote control to select "TNT". 10. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. 2-13: 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 oscilloscope to TP802. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "COL CENT". 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 VOL. UP/DOWN button on the remote control until the red color level is adjusted to 85 ± 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. Then perform the above adjustments 2~6. 9. Press the DVD button on the remote control to set to the DVD mode. 10. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "COL CENT". 11. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. White 0%

100%

White 100%

Red Level Fig. 2-4

2-14: SUB CONTRAST MAX 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (21) on the remote control to select "CONT MAX". 2. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "60". 3. Receive a broadcast and check if the picture is normal. 4. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 1~3. 5. Receive a broadcast and check if the picture is normal. Press the DVD button on the remote control to set to the DVD mode. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (21) on the remote control to 7. select "CONT MAX". 8. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode.

"A"

Fig. 2-3

D3-3