AV-27D502
No. 51797
25
Item
Measuring
instrument
Test point
Adjustment part
Description
PIP
HIGH LIGHT
WHITE
BALANCE
Notes:
• Proceed to the following this adjustment after having completed the
adjustments of LOW LIGHT WHITE BALANCE and HIGH LIGHT
WHITE BALANCE for the main picture.
• Set VIDEO STATUS to “STANDARD”.
1. Receive a black-and-white signal. (Color off)
2. Select the PIP MODE from the SERVICE MENU.
3. Then adjust the white color of the PIP screen using the No. 8 P R
DR and the No. 10 P B DR of the PIP MODE so that it is the same
brightness as the main screen.
No.8 P R DR
No.10 P B DR
Signal
generator
PIP screen
Main screen
SUB BRIGHT
Adjustment
No.1 BRIGHT
Notes:
• Proceed to the following this adjustment after having completed the
adjustments of LOW LIGHT WHITE BALANCE and HIGH LIGHT
WHITE BALANCE.
• Set VIDEO STATUS to “STANDARD”.
1. Receive a broadcast.
2. Select the No.1 BRIGHT of the PICTURE MODE.
3. Set the initial setting value of the No.1 BRIGHT with the LEFT /
RIGHT key of the remote control unit.
4. If the brightness is not best with the initial setting value, make fine
adjustment of the No.1 BRIGHT until you get the optimum bright-
ness.
SUB
CONTRAST
Adjustment
Notes:
• Proceed to the following this adjustment after having completed the
adjustment of SUB BRIGHT.
• Set VIDEO STATUS to “STANDARD”.
1. Receive a broadcast.
2. Select the No.2 PICTURE of the PICTURE MODE.
3. Set the initial setting value of the No.2 PICTURE with the LEFT /
RIGHT key of the remote control unit.
4. If the contrast is not best with the initial setting value, make fine
adjustment of the No.2 PICTURE until you get the optimum con-
trast.
No.2 PICTURE
Item
Measuring
instrument
Test point
Adjustment part
Description
ADJUSTMENT OF CONTRAST
Item
Measuring
instrument
Test point
Adjustment part
Description
ADJUSTMENT OF BRIGHT