JVC AV-27D502/R Service Manual page 161

Measuring
Item
instrument
PIP Signal
HIGH LIGHT generator
WHITE
BALANCE Remote
adjustment control unit
ADJUSTMENT OF BRIGHT
Measuring
Item
instrument
Remote
SUB BRIGHT
adjustment control unit
ADJUSTMENT OF CONTRAST
Measuring
Item
instrument
Remote
SUB
CONTRAST control unit
adjustment
Test point Adjustment part
No.8 P R DR
No.10 P B DR
PIP screen
Main screen
Test point Adjustment part
No.1 BRIGHT
Test point Adjustment part
No.2 PICTURE
No. 51797C
Description
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.
Description
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.
Description
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.
AV-27D502
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