Read Sharp XG-NV1E (serv.man4) Service Manual online
XG-NV1E
XG-NV1EA
XG-NV1EA
21
ELECTRICAL ADJUSTMENT
NOTE : The settings have been factory-adjusted to their best points. If any of them gets out of spec or after any
relevant part has been replaced, make the related adjustment.
Step
Adjustment Position
Adjustment Conditions
Adjustment Method
Destinations Factory setting Setting on
remote control
Export
S4
Set to 4 on shipment
Domestic
S5
Set to 5 on shipment
1
Initialization of
EEPROM
EEPROM
2
Off-set for RGB
input
input
3
RGB gain
4
R-drive
5
B-drive
6
Rough-adjustment
of the voltage for
white
of the voltage for
white
7
Rough-adjustment
of the voltage for
black
of the voltage for
black
8
White balance
9
Common DC bias
1.Turn on the unit (Lighting
lamp) and burn-in for 15
minutes.
minutes.
1. Supply the black signal.
(APL=100%)
2. Push S5013 then appear-
ing ADJ-IN mode.
3. Select RGB1.
1. Supply the green (100%)
signal.
2. Select RGB1.
1. Supply the red (100%) sig-
nal
2. Select RGB1
1. Supply the blue (100%) sig-
nal.
2. Select RGB1.
1. Select RGB2.
1. Select RGB2.
1. Supply the gray scale sig-
nal1.
2. Select RGB2.
3. Items to be adjusted
3. Items to be adjusted
· RW/RB
· GW/GB
· BW/BB
· GW/GB
· BW/BB
1. Supply each individual sig-
nal of R, G and B.
2. Select RGB2.
»
Adjust ROS
→
128
GOS
→
128
BOS
→
128
»
Adjust GAIN
→
62
»
Adjust R-DRIVE
→
128
»
Adjust B-DRIVE
→
128
»
Adjust RW
→
60
GW
→
60
BW
→
60
»
Adjust RB
→
196
GB
→
196
RB
→
196
»
Should be adjusted to keep the following value.
RW+RB=256
GW+GB=256
BW+BB=256
GW+GB=256
BW+BB=256
»
Adjust RC (Red), GC (Green) and BC (Blue) to obtain
the maximum contrast with each colour.
the maximum contrast with each colour.
»
Set as follows
