Hdtv Component System Adjustment; White Balance Adjustment - Sony KE-P37XS1 Service Manual

Sony flat panel color tv service manual
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3-9. HDTV Component System Adjustment

HDTV COMPONENT 1080i/60Hz System adjustment
1) Input 1080i/60Hz Color Bar signal into AV4 as shown on Figure (1)
Color Bar 100% Luma, 75% Chroma
VG828/ASTRO Pattern No.955-OPT 2 No.F
2) Perform automatic adjustment of A/D converter
3) Check that the detection value of R, G, B is in the standard
shown in the right column.
Figure (1) 1080i/60Hz Color Bar 100% Luma, 75% Chroma

3-10. White Balance Adjustment

Adjustment of W/B (With internal white signal)
1) Turn on the main power of XS1.
2) Execute the MID_H8_ServiceControl.xls
3) H8_INIT/SVC_FLAG/RGBD=3.
4) Adjust W/B of warm
Color tone set to warm
H8_INIT/SVC_WB/RRTO/warm/ set to FF
#1 H8_INIT/SVC_WB/GRTO/warm/
#1 H8_INIT/SVC_WB/BRTO/warm/
#2 Sevice command Direct Select/Service data write(to NVM) -> Send
5) Adjust W/B of normal
Color tone set to normal
H8_INIT/SVC_WB/RRTO/normal/ set to FF
#1 H8_INIT/SVC_WB/GRTO/normal/
#1 H8_INIT/SVC_WB/BRTO/normal/
#2 Sevice command Direct Select/Service data write(to NVM) -> Send
6) Adjust W/B of cool
Color tone set to cool
H8_INIT/SVC_WB/RRTO/cool/ set to FF
#1 H8_INIT/SVC_WB/GRTO/cool/
#1 H8_INIT/SVC_WB/BRTO/cool/
#2 Sevice command Direct Select/Service data write(to NVM) -> Send
When BRTO is set to FF and cannot adjust, it adjusts in RRTO.
Notes)
XS1
RM-Y1010
White bar RED
216+-3
(A)
White bar BLUE
216+-3
(A)
Black bar RED
16+-3
(D)
Black bar BLUE
16+-3
(D)
Red bar RED
162+-3
(B)
Red bar BLUE
16+-3
(B)
Blue bar RED
16+-3
(C)
Blue bar BLUE
(C)
162+-3
75% Color Bar
(A)
(B) (C) (D)
x
x
Wh Ye Cy G Mg R Bl Bk
Cautions The position of (A), (D) excepts
between for / 6 from an edge.
0.700V
2 6
0.525V
62
RED output
0.000V
0 6
(one line)
(A)
(B)(C)(D)
0.700V
2 6
0.525V
62
BLUE output
0.000V
0 6
(one line)
(A)
(B)(C)(D)
Tool, Measuring, Instrument, Component:
CS-1000 (Minolta)
Standard 8400k-27MPCD
(X=0.2943+-0.003)
(Y=0.2840+-0.003)
Standard 11300k-18MPCD
(X=0.2776+-0.003)
(Y=0.2715+-0.003)
Standard 13500k+0MPCD
(X=0.2672±0.003)
(Y=0.2718±0.003)
Page 30

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