TOSHIBA MV19N2
Manual de Servicio

ELECTRICAL ADJUSTMENTS
2-10: VERTICAL SIZE 1. Receive the monoscope pattern. 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 (06) on the remote control to select "V SIZE". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 10 ± 2%. 2-11: SUB BRIGHTNESS 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 (13) 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. 2-12: SUB CONTRAST MAX 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) 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 "100". 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. 2-13: SUB 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 TP801. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) 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. 2-2) 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. Then perform the above adjustments 2~5. 100% 2-14: SUB COLOR 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 (19) 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 110 ± 10% of the white level. (Refer to Fig. 2-3) 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. White 0%

"A"

Fig. 2-2

Red Level White 100%

Fig. 2-3

D3-3