JVC AV-28WFR1EKS/A Service Manual page 25

Measuring
Item
instrument
Adjustment
Signal
generator
of WHITE
BALANCE
Remote
(Low Light)
control unit
H LINE ON
H LINE OFF
R CUTOFF ▲ ▲ ▲ ▲
R CUTOFF ▼ ▼ ▼ ▼
Adjustment Signal
generator
of WHITE
BALANCE
Remote
(High Light)
control unit
DRIVE R ▲ ▲ ▲ ▲
DRIVE R ▼ ▼ ▼ ▼
Test point Adjustment part
1.CUT OFF
R, G, B
SCREEN VR
[In FBT]
G CUTOFF ▲ ▲ ▲ ▲
B CUTOFF ▲ ▲ ▲ ▲
B CUTOFF ▼ ▼ ▼ ▼
G CUTOFF ▼ ▼ ▼ ▼
2.DRIVE
R, B
DRIVE B ▲ ▲ ▲ ▲
DRIVE B ▼ ▼ ▼ ▼
No. 51754
Description
! Set the PICTURE MODE to STANDARD.
1. Set the WHITE BALANCE to COOL.
2. Receive a black and white signal (colour off).
3. Select 2. V/C from the SERVICE MENU.
4. Select 1.CUT OFF with the MENU UP/DOWN key.
5. Show one horizontal line with the 1 key.
6. Gradually turn the SCREEN VR from the left end to the right
direction to bring one of the red, green or blue colour faintly
visible.
7. Press 4 ～ 9 key, and bring out the other 2 colours and make
one horizontal line visible in white.
8. Turn the SCREEN VR and bring one white horizontal line
faintly visible.
9. Press 2 key, turn off one horizontal line.
10. Press the OK key and memorize the set value.
! The adjustment for Low Light WHITE BALANCE should be
finished.
! Set the PICTURE MODE to STANDARD.
1. Set the WHITE BALANCE to COOL.
2. Input the black and white signal (colour off).
3. Select 2.V/C from the SERVICE MENU.
4. Select 2.DRIVE with the MENU UP/DOWN key.
5. Change the screen colour to white with 4 key or 7 key (drive of
red), 6 key or 9 key (drive of blue).
6. Press the OK key, and memorize the set values.
AV-29RF6
21