Sanyo PLC-XP21N Service page 36

^Electrical AdjustmentsJ
^10. White balance adjustment [12. Sample hold dock adjustment
16 Step gray scale signal
. . . . . . . . . . . . . . f^orma!
Input signal - - - - - - -
Picture condition ' '
Adjustments:
[DlO-1. White balance adjustment CG
Input mode and s t g n a ! . . . . . . . - - . . . . . - . . - - - - - . . Computer
Set service mode. Adjust the white balance, by using
data no. "03"(Red) and "04"(Blue).
Q10^2. White balance adjustment AV
Input mode and s i g n a l . . . . . . - . . . . . . - . - - . . - - - - - . . - " . AV
Set service mode^ Adjust the white balance, by using
data no. "03"(Red) and "04"(BIue).
Oscilloscope
. . . . . . . . . . . . TP512 and chassis ground
. . . . . . . . . . . . . . . . . . . . . . . . . Computer
16 Step gray scale or 100% white signal
NormaJ
Equipment
Connections ' '
Input mode ' " '
Input signal- - - -
Picture condition
Pre condition *Sct value of the data no. "09" to be "0001".
Set value of the data no. "OA" to be "0020".
Adjustment Set service mode.
Select Data no."OA".
By using VOLUME + - buttons, adjust ampli-
tude A and B to maximum level.
NOTE-
[ Adjust the white balance of Computer and AV
mode to the same level.
! Chromaticity coordinates(Color Temp.)
X=0.290 Y=0.330
!H. White balance adjustment dark
Input mode " - "
Input signal" - "
Picture condition
" " - - - " " " " " - A V
16 Step gray scale signal
. . . . . . . . . . . . . . [formal
-^11-1. AVwhite balance (Composite)
Input s i g n a l . . . . . . . . . . . . . . . . . . . . . . . . . . . -Composite video
Adjustment;
Set service mode. Adjust the white balance of 16
Step gray scale dark side, by using data no. "24"(Red)
and "25"(Blue).
Input signal - " - -
Input mode - " -
Picture condition
^13. Common center adjustment
16 Step gray scale computer signal
. . . . . . . . . . . . . . . . . . . . Computer
. . . . . . . . . . . . . . . . . . . . . . . formal
-^'11-2. AV white balance (Component-480p)
Input signal - " . . - . . . " . - . - " - . . - " . . " Component-480p
Adjustment;
Set service mode. Adjust the white balance of 16 Step
gray scale dark side, by using data no. "24"(Red) and
"25"(Blue).
^!-11-3. AV white balance (Component-1080i)
Input s i g n a l . . . . . . . . . . . . - - - - . . . . - " . - - -Component 10801
Adjustment;
Set service mode. Adjust the white balance of 16 Step
gray scale dark side, by using data no. "24"(Red) and
"25"(Blue).
Note : Adjustment range must lower than ± 2 steps.
Adjustments: . . " - - . . - - " " . - " - - - - - - Set service mode.
RED . - - - - - . Cover the G and B panef to cut the ught transit.
Select Data no. "020".
By using VOLUME + - buttons, adjust flicker
to minimum level on picture.
GREEN " - " Cover the R and B panel to cut the light transit.
Select Data no. "021".
By using VOLUME + - buttons, adjust flicker
to minimum level on picture.
BLUE - " - " Cover the R and G pane! to cut the fight transit.
Dark sida of 16 Step gray scate
Select Data no. "022".
By using VOLUME + - buttons, adjust fJickcr
to minimum level on picture.
MFA/MHA
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