- 49 -
Input signal
NTSC colour bar
Input mode
(Video)
Input image
Natural
1. Enter the service mode.
2. Select group/item no. "
260 - 0
", and the data value
changed from “
0
” to “
1
” , then automatic adjustment
will be done after about 30 sec.
3. After this adjustment completed, “
OK
” will appear on
screen.
Confirm the color bar each color has changed into the
black after adjustment.
Note ;
Include the white 100%, black 0% red 100%, blue 100%
and green 100% in the color bar of the input signal.
Electrical Adjustments
Input signal
16-step gray scale signal (XGA1)
Input mode
PC Analog
Input image
Natural
G-sync off
1. Enter the service mode.
2. Select group/item no. "
260 - 0
", and the data value
changed from “
0
” to “
1
” , then automatic adjustment
will be done after about 30 sec.
3. After this adjustment completed, “
OK
” will appear on
screen.
3. Auto Calibration adjustment [PC]
4. Auto Calibration adjustment [Composite] NTSC
Input signal
480i (Y, Cb, Cr) colour bar
Input mode
(Component1)
Input image
Natural
1. Enter the service mode.
2. Select group/item no. "
260 - 0
", and the data value
changed from “
0
” to “
1
” , then automatic adjustment
will be done after about 30 sec.
3. After this adjustment completed, “
OK
” will appear on
screen.
Confirm the color bar each color has changed into the
black after adjustment.
Note ;
Include the white 100%, black 0% red 100%, blue 100%
and green 100% in the color bar of the input signal.
5. Auto Calibration adjustment [Component] 480i
Equipment
Digital voltmeter
1. Enter the service mode.
2. Change data values of each test points to adjust the fan
minimum output voltage.
Item no. Fan Location Test Point Adjustment value
250 - 8
FN901
FAN1
3.5
±0.05Vdc
250 - 9
FN902
FAN2
3.5
±0.05Vdc
250 - 10 FN903
FAN3
3.5
±0.05Vdc
250 - 11 FN904
FAN4
3.5
±0.05Vdc
GND
TE35B
Note:
The location of each fan is refer to the parts list.
FN905 is non adjustment.
1. Fan minimum voltage adjustment
Equipment
Digital voltmeter
1. Enter the service mode.
2. Change data values of each test points to adjust the fan
minimum output voltage.
Item no. Fan Location Test Point Adjustment value
250 - 12 FN901
FAN1
13.8
±0.05Vdc
250 - 13 FN902
FAN2
13.8
±0.05Vdc
250 - 14 FN903
FAN3
13.8
±0.05Vdc
250 - 15 FN904
FAN4
13.8
±0.05Vdc
GND
TE35B
Note:
The location of each fan is refer to the parts list.
FN905 is non adjustment.
2. Fan maximum voltage adjustment
+0
-0.05Vdc
+0
-0.05Vdc
+0
-0.05Vdc
+0
-0.05Vdc