27
6) To Change the value of parameter press / Volume – Key, To move from one
parameter to another press C / Channel – Key on Remote Handset.
7) Press “Stand-By” Key to come out of Design Mode.
•
12C. White Balance Adjustment
:- (
In Field
)
1) Select R,G, B cut off parameter in Menu 3 of service mode and adjust these
parameters. Standard settings of these parameters are RD=32, GD=32, BD=32
2) Select the RGB drive parameters RB, GB in menu 3 and adjust this parameter.
Default setting of these parameter is RB= 32, GB=32.
3) Select Sub brightness parameter SB in menu 3 and adjust to get proper white balance.
The default value of SB=40.
•
12D. Screen Adjustment :-
(In Field)
1) Select parameter SC in menu 3 of service mode .
2) Increase the value of SC by using channel up key so that thin white line will be visible
on the screen
3) Adjust the screen intensity by varying screen pot of fbt using insulated screw driver
until a thin horizontal line is just visible.
12E
.
OTHER SERVICE MODE ADJUSTMENTS
: - can be done by entering into service
mode by applying the suggested procedure and setting the default value mentioned below.
Few cases defaults values can be changed in a small variation for customer satisfaction.
SERVICE PRAMETERS: MENU 1
Parameter Variation
Default
Setting
Remarks
V SLOPE
0-63
31 for 50Hz & 36 for 60Hz For adjusting picture vertical center
V SHIFT
0-63
41 for 50Hz & 36 for 60Hz For shifting picture vertical position
V SIZE
0-63
31 for 50Hz & 36 for 60Hz For adjusting Vertical amplitude
V SC
0-63
10 for 50Hz & 10 for 60Hz
For adjusting Vertical S-Correction
H SHIFT
0-63
38 for 50Hz & 37 for 60Hz
For adjusting picture H position
PROG NO.
1.
