Sony HDVF-C950W - Inverter Power Supply Voltage Adjustment; Brightness Initial Adjustment; Color Temperature Adjustment

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 : S01OADJUST
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 : S05OFUNCTION 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 : S01OADJUST
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 : S05OFUNCTION 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 : S02OCOLOR 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 : S05OFUNCTION 2
ITEM : TEST LEVEL
Measurement equipment : Display color analyzer
Measurement point : Center of the screen
Specifications : 315 cd/m
2