Toshiba 19DV616DG Service Manual page 57

2-2: CONTRAST MAX
1. Place the set in Aging Test for more than 30 minutes.
2. Receive the color bar pattern. (RF Input)
3. Using the remote control, set the brightness and
contrast to normal position.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select "CONTRAST MAX".
5. Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "51".
6. Check if the picture is normal.
7. Receive the color bar pattern. (VIDEO Input)
8. Using the remote control, set the brightness and
contrast to normal position.
9. Press the INPUT button on the remote control
to set to the AV mode.
10.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select "CONTRAST MAX".
11.
Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "50".
12.
Check if the picture is normal.
13.
Receive the color bar pattern. (AV RGB Input)
14.
Using the remote control, set the brightness and
contrast to normal position. co t ast to o a pos t o
15. Press the INPUT button on the remote control
to set to the AV(RGB) mode. Then perform the
above adjustments 10~12.
16.
Receive the color bar pattern. (S-VIDEO Input)
17.
Using the remote control, set the brightness and
contrast to normal position.
18.
Press the INPUT SELECT button on the remote
control to set to the AV(Y/C) mode. Then perform the
above adjustments 10~12.
19.
Receive the color bar pattern. (COMPONENT Input)
20.
Using the remote control, set the brightness and
contrast to normal position.
21.
Press the INPUT button on the remote control
to set to the COMPONENT mode.
22.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select "CONTRAST MAX".
23.
Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "51".
24.
Check if the picture is normal.
25.
Receive the color bar pattern. (HDMI Input)
26.
Using the remote control, set the brightness and
contrast to normal position.
27. Press the INPUT button on the remote control
to set to the HDMI mode.
28.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select "CONTRAST MAX".
29.
Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "52".
30. Check if the picture is normal.
ELECTRICAL ADJUSTMENTS
D-4 D-4 22DV616DG 22DV616DG