KV-30XBR910 - Sony TV Service Manual (repair manual). Page 18

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KV-30XBR910/34XBR910
2-7.  WHITE BALANCE (CRT) AND SUB 
BRIGHT ADJUSTMENT
Preparation
•  Input an all white 480I (15.734 KHz) signal into the VIDEO 1 input 
terminal to perform the White Balance (highlight, cut-off) adjustments.  
The parameters to adjust are in the CXA2170P in Service Mode.
2-7.1. COLOR OFFSET ADJUSTMENT 
PROCEDURE
Preparation:
•  Input an all white (30 IRE) signal to the specifi ed input.
•  Adjust the white balance using the specifi ed registers.
VIDEO 1
CXA2103-
1
NO.
Name
Control Function
20
CBO1
CB OFFSET
21
CRO1
CR OFFSET
VIDEO 5
CXA2103-
1
NO.
Name
Control Function
20
CBO1
CB OFFSET
21
CRO1
CR OFFSET
VIDEO 7 - DVI
CXA2103-
1
NO.
Name
Control Function
22
CBO2
CB01 (FROM VIDEO 5) - 5
23
CRO2
CR01 (FROM VIDEO 5) -4
2-8.  H RASTER CENTER ADJUSTMENT
Preparation:
•  Input a monoscope signal.
•  Set to NTSC (DRC) mode.
1.  Set to Service Mode and adjust as follows:
NO. Name
Control Function
Avg. Data
06 AGNG
AGING 1, AGING 2
2
NO. Name
Control Function
Avg. Data
02 HSIZ
Horiz Size
45
NO. Name
Control Function
Avg. Data
00 HBLK
Blanking Enable
0
CXA2150P-2
CXA2150D-2
CXA2150D-3
2.  Reduce HSIZ to see sides of raster.
3.  Adjust H-Center with CXA2170D-2.
4.  Adjust to the best screen position with H-CENT and write data.
5.  Restore aging, HSIZ and HBLK to original condition.
Raster Edge Equal:
RASTER
 EDGES
RASTER
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