JVC AV28H20EUS Service Manual page 21

Measuring
Item
instrument
WHITE Signal
BALANCE gener ator
(High Lig ht)
adjustment Remote
control unit
SUB BRIGHT Remote
adjustment control unit
SUB CONT. Remote
Ad justment control unit
Test point Ad justment part
2. WDR R
3. WDR G
4. WDR B
(Do not adjust)
5. BRIGHT
6.CONT.
No. 51945
Description
" Set the PICTURE MODE to NORMAL.
1. Receive a black and white signal (colour off).
2. Select 2.V/C from the SERVICE MENU.
3. Modify 2. W DR R and 3.WDR G data to adjust the white
balance ( high light ).
4. Press the MENU key and memoriz e the s et value.
5. Change the c ontras t and brightnes s with the remote control up
& down from low–light to high–light and check that the tracking
of the white balanc e is good.
1. Receive any broadc ast.
2. Select 2.V/C from the SERVICE MENU.
3. Select 5.BRIGHT with the FUNCTION UP/DOWN ( / ) key.
4. Set the initial setting value with the FUNCTION -/+ ( / )key.
5. If the brightness is not the best with the initial setting value,
make fine adjustment until you get the bes t brightness.
6. Press the MENU key and memoriz e the s et value.
1. Receive any broadc ast.
2. Select 2.V/C from the SERVICE MENU.
3. Select 6.CONT with the FUNCTION UP/DOWN ( / ) key.
4. Set the initial s etting value with the FUNCTION - / + ( / )
key.
5. If the contrast is not the best with the initial setting value, make
fine adjustment until you get the best contras t.
6. Press the MENU key and memoriz e the s et value.
AV32H20EUS
AV28H20EUS
AV28H20EUB
21