JVC AV28R100EKS, Service Manual

Page: 52 / 93

No. 51754
AV-29RF6
20
SETTING OF WHITE BALANCE PRESET
Item
Measuring
instrument
Test point Adjustment part Description
Setting of
WHITE
BALANCE
PRESET
Remote
control unit
6.WB PRESET
1. R DRIVE
2. B DRIVE
1. Select 6.WB PRESET from the SERVICE MENU.
2. Select COOL in the user setting MENU.
3. Adjust the MENU UP/DOWN and LEFT/RIGHT key to bring the
set values of 1.R DRIVE
～
2.B DRIVE to the values shown in the
table.
4. Press the OK key and memorize the set value.
5. Respectively select the WHITE BALAMCE MODE to MID and
WARM, and make similar adjustment as in 3 above.
6. Press the OK key and memorize the set value.
VIDEO / CHROMA CIRCUIT ADJUSTMENT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
CONTENTS PAL SECAM NTSC3.58 NTSC4.43
R -60
G -60 1. CUTOFF
B -60
R
+0
2. DRIVE
B
+0
TV
0 +3 +1
－
VIDEO -3 +2 +1
－ 3. BRIGHT
COMPONENT
-2
TV -15 0 0
－
VIDEO 0 0 0
－
4. CONT
COMPONENT +2
TV / VIDEO
+10 +18 +0 0
5. COLOUR
COMPONENT 50Hz = +8 / 60Hz = +19
TV
+6 +6 +7 0
VIDEO +6 +6 +22 0 6. TINT
COMPONENT
50Hz = +6 / 60Hz = +16
R-Y 0
7. BLACK OFFSET
B-Y
0
TV -12 -13 -12
－
VIDEO
-8 -7 -9
－
8. SHARP
COMPONENT -10
[INITIAL SETTING VALUES OF WHITE BALANCE PRESET]
WHITE BALANCE
ITEM
COOL MID WARM
1. R DRIVE
0 -3 +26
2. B DRIVE 0 -23 -27