KV-32HS20 - Sony TV Service Manual (repair manual). Page 12

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— 12 —
KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
2-3.4. SCREEN-CORNER CONVERGENCE
Preparation:
•  Input a cross hatch pattern signal.
1. Affi x a permalloy assembly corresponding to the misconverged areas: 
d
c
a
b
a-d: screen-corner
misconvergence
a
b
c
d
2-3.5. DYNAMIC CONVERGENCE  
 
 
 ADJUSTMENTS
Set dynamic convergence using the following service mode adjustment 
data:
NO.
Register Function Data Length
Initial Data
1
YBWU
VCA9
0-63
31
2
YBWL
VCA10
0-63
31
3
RSAP
DC-AMP1
0-63
31
4
RUBW
VCA5
0-63
31
5
RLBW
VCA6
0-63
31
6
LSAP
DC-AMP2
0-63
31
7
LUBW
VCA10
0-63
31
8
LLBW
VCA2
0-63
31
CXA 8070 AP
1. YBWU (Upper Y-BOW)
B R
B R
2. YBWL (Bottom BOW)
B R
B R
3.  RSAP (Right AMP)
R B
4.  RUBW (Right Side Upper C-BOW)
B R
5.  RLBW (Right Side Bottom C-BOW)
R B
6. LSAP (Left AMP)
B R
7.  LUBW (Left Side Upper C-BOW)
B R
8.  LLBW (Left Side Bottom C-BOW)
B R
2-4.  FOCUS ADJUSTMENT
1.  Input monoscope signal.
2.  Set video mode to STANDARD.
3.  Adjust focus VR counter-clockwise to confi rm that the dot’s shape is 
centered.
4. Confi rm center focus with focus VR.
FOCUS
2-5.  SCREEN (G2)
1.   Input a monoscope pattern (NTSC)
2.  Set to service mode and adjust as follows: 
CXA 2150P-2
NO.
Disp.
Item
Avg.
0
ALBK
ALL_BLK
0
3.  Adjust RV9002 on the C Board so that the voltage on red, green and 
blue cathodes is 170.0 0.5 V DC.
4.  Adjust the hotizontal line at the top of the screen so it is cut off.
 
Note:  Never set ALBK to 1 when external power supply is connected 
  
 
to 
cathode.
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