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17
FMLBL FM output accuracy
031
16
BRABL Brightness ABL switch 0=off,1=on
0-1
1
VDLBL Video demodulation output range 0=small,1=large 0-7
7
PASSW V-CHIP function 0=OFF,1=ON
0-1
1
1. Simulation preset
1) Input color bar signal;
2) Press
‘
MENU
’
key, set color, contrast, color saturation, tint at medium
Position;
3) Press
‘
DP
’
key of the alignment remote controller to call out the menu which contains
the following items:
OSD
Description
Range
Reference
Sub brightness Preset brightness
0-127
60
Contrast
Preset contrast
0-27
27
Tint
Preset tint
0-77
35
Color
Preset color saturation 0-27
14
4) When done, press
‘
PICTURE
’
to save the result.
Ⅲ
. Adjust the white level:
1) Press
‘
GEO
’
of the alignment remote controller, set the item
‘
NO SD
POWER OFF YES
’
to
‘
NO
’
, keep the TV power on for over 30 minutes;
2) Degauss the CRT;
3) Input bright field signal through AV channel;
4) Connect white level test equipment to the set;
5) Press
‘
W/B
’
key of the alignment remote controller to call out the
Following menu:
OSD
Description
Range
Reference
RD
Red stimulate potential
0-127
64
GD
Green stimulate potential
0-15
7
BD
Blue stimulate potential
0-127
64
RB
Red stop potential
0-255
Preset 127,adjust 127
GB
Green stop potential
0-255
Preset 127,adjust 250
BB
Blue stop potential
0-255
Preset 127,adjust 220
Set the above items to medium position and then press
‘
SCAN
’
, adjust
The raster potential regulator until the bright line on the screen
Turn down to a dark line, which is just visible. Adjust using the following
keys until the line turns white {1 (RB+)/2 (RB-) 3 (GB+)/4 (GB-)
5 (BB+)/6 (BB-)}, and then press
‘
SCAN
’
again, use the alignment remote
controller
‘
V+
’
,
’
V-
‘
,
’
P+
’
,
’
P-
‘
key to adjust
‘
RD
’
,
’
GD
’
and
‘
BD
’
until the
whole screen turns white.
6) If a white level test equipment is available, adjust the above until
a proper effect is gained.
7) Press
‘
PICTURE
’
to save the results;
8) Press
‘
GEO
’
key, set back the
‘
NO SD POWER OFF
’
item to yes.
Maintenance Service and Trouble shooting
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