White Balance - JVC AV-21BD5EKI Service Manual

AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
ADJUSTMENTS
SELECT OPTION ITEM
Option Tuner maker
0 DAEWOO / SAMSUNG
2 SIEL
G2 ALIGNMENT
1 TV in AV mode without video signal ⇒ Black screen.
2 TV preset with WP Red, WP Green and WP Blue equal to 32.
3 TV preset with Black R, Black G equal to 8.
4 Set TV in NORMAL I mode.
5 Adjust screen volume (on FBT) such that the highest cathode cut-off voltage measured on CRT board, is Vcut off ± 5V.
Screen size
21" " " "

WHITE BALANCE

NOTE
When the WHITE BALANCE adjustments are carried out, it is necessary to use the service remocon.
●
Confirm G2 Alignment has been adjusted.
●
■ ■ ■ ■ Low Light
1 Press the TV / AV button on the front of the TV unit and enter the VIDEO MODE.
2 Input a crosshatch pattern signal.
3 Press the SVC key to display the SVC screen as shown in Fig.1.
4 Press the SCREEN key to display the single horizontal line.
5 Check the color of the single horizontal line being displayed.
6 Press the SCREEN key to disappear the single horizontal line.
7 Adjust the bias values of R, G and B with their respective +/- keys so that the single horizontal line on the screen becomes " white " .
8 While pressing the SCREEN key, check the color of the single horizontal line on the screen.
9 Repeat the steps 5～8 above until the single horizontal line on the screen becomes " white " .
1-12
Cut off / video Amp.
140V / 92V
140V / 92V
Vcut-off
125V
No.51742