KV-XV29M50 - Sony TV Service Manual (repair manual). Page 10

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KV-XV29M50
RM-GA002
b
a
c
d
a-d : screen-corner
        misconvergence
a1
b1
c1
d1
a1~d1: Piece A(90), Convergence Correct
or
Permaloy Assy Correction
d) Convergence Rough Adjustment
Preparation:
• Before starting, perform FOCUS adjustment.
• Picture Mode "SOFT"
• Receive dot/cross hatch pattern.
Input cross hatch pattern.
i)
TLH
Adjust the horizontal convergence of red and blue
dots by inserting TLH Correction Plate to the DY
pocket(left or right).
ii)
YCH
Adjust YCH to balance Y axis.
iii) TLV
Adjust the vertical convergence of red and blue dots.
iv) XCV
Adjust XCV to balance X-axis
e) Screen Corner Convergence
Affix a Piece A(90), Convergence Correct/Permaloy
Assy
Correction to the misconverged areas.
TLV
R B
YCH
R
B
XCV
B
R
TLH
B
R
(VR1)
TLV1 (no need to adjust)
DY pocket
DY pocket
TLH Plate
(VR3)
TLV2
(XCV)
(VR2)
YCH
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