HDVF-C950W
3-2 (E)
3-2. Inverter Power Supply Voltage
Adjustment
Adjust the INVERTER POWER so that the inverter power
supply voltage meets specifications.
Setting MENU
: SERVICE
PAGE
: S01
O
ADJUST
ITEM
: INVERTER POWER
Measurement equipment : Digital voltmeter
Measurement point
: CL700/PR-292 board
Specifications
: 12.00
±
0.15 V
3-3. Brightness Initial Adjustment
m
.
Perform this adjustment after more than 1 hour have
passed since turning on the power to allow the brightness
to stabilize.
.
Perform brightness adjustment with a 100% all white
signal as the internal test signal.
1.
Set the controls and menus to the following settings.
1
BRIGHT knob
: 99 (Turned fully clockwise)
2
CONTRAST knob : 99 (Turned fully clockwise)
3
MENU
: SERVICE
PAGE
: S05
O
FUNCTION 2
ITEM
: TEST LEVEL
→
255
2.
Adjust the BL DIMMER so that the brightness in the
center of the screen meets specifications.
Setting MENU
: SERVICE
PAGE
: S01
O
ADJUST
ITEM
: BL DIMMER
Measurement equipment : Display color analyzer
Measurement point
: Center of the screen
Specifications
: 350 (
+
10/
_
0) cd/m
2
3-4. Color Temperature Adjustment
1.
Follow steps (1) to (4) below to perform the ADJUST
BIAS.
(1) Set the controls to the following settings.
1
BRIGHT knob
:
_
99 (Turned fully
counter-clockwise)
2
CONTRAST knob :
_
99 (Turned fully
counter- clockwise)
(2) Adjust the TEST LEVEL so that the brightness in
the center of the screen meets specifications.
Setting MENU
: SERVICE
PAGE
: S05
O
FUNCTION 2
ITEM
: TEST LEVEL
Measurement equipment : Display color analyzer
Measurement point
: Center of the screen
Specifications
: 35 cd/m
2
(3) Set the data for ADJUST BIAS G to “0”.
(ADJUST BIAS G is fixed to 0.)
(4) Adjust the ADJUST BIAS R/B so that the color
temperature in the center of the screen meets
specifications.
Setting MENU
: SERVICE
PAGE
: S02
O
COLOR TEMP
ITEM
: ADJUST BIAS R
: ADJUST BIAS B
Measurement equipment : Display color analyzer
Measurement point
: Center of the screen
Specifications
: x = 0.3133
±
0.003
: y = 0.3297
±
0.003
2.
Follow steps (1) to (3) below to perform the ADJUST
GAIN.
(1) Set the controls to the following settings.
1
BRIGHT knob
: 99 (Turned fully clock wise)
2
CONTRAST knob : 99 (Turned fully clock wise)
(2) Adjust the TEST LEVEL so that the brightness in
the center of the screen meets specifications.
Setting MENU
: SERVICE
PAGE
: S05
O
FUNCTION 2
ITEM
: TEST LEVEL
Measurement equipment : Display color analyzer
Measurement point
: Center of the screen
Specifications
: 315 cd/m
2
