KDL-32EX425, KDL-46EX525 - Sony TV Service Manual (repair manual). Page 65

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KDL-32EX425/46EX525 59
SECTION 7 - SERVICE ADJUSTMENTS
4.  Press 
0
 to display the 
TEST PATTERN.
DIGITAL (DIG_SERV_MODE)
SERVICE
TEST PATTERN
1 VIDEO
2 AUDIO
5.  Press 
ENTER
 to display 
1 Video.
DIGITAL (DIG_SERV_MODE)
SERVICE
TEST PATTERN
-->1 VIDEO
*1  White
2 Ramp
3 R Raster
4 G Raster
5 B Raster
6 Color Bar
7 VCOM Adjustment1
8 VCOM Adjustment2
9 Off
6.  Chose one of the VCOM test patterns to determine 
which one displays the most flickering.
a.  Press 
7
 to display 
VCOM Adjustment1.
b.  Press 
ENTER
 twice to display the VCOM test 
pattern.
   or
c.  Press 
8
 to display 
VCOM Adjustment2.
d.  Press 
ENTER
 twice to display the VCOM test 
pattern.
7.  Press 
RETURN
twice to exit the test pattern screen.
ADJUSTING THE VCOM DATA
8.  Press 
JUMP
 to access the 
VPC Service Menu.
9.  Press 
2
 to move to 
002 VCOM category.
10. Press 
1
 to move to 
000 ENABLE item.
VPC
SERVICE
002 VCOM
000 ENABLE
0
11. Press 
3
 to increase the data value from 0 to 1.
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