Sony KV-28LS60B Service Manual page 20

Fd trinitron color tv
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4.
Correction for HMC [Horizontal mis-convergence] and VMC
[Vertical mis-convergence] by using the BMC [Hexapole]
magnet.
a). HMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
HMC c orr ecti on (A )
HM C c o rre c ti o n (B)
A < B
R G
B
A > B
R
G B
A = B
A = B
R G B
R G B
b). VMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
V M C c o r r e c t i o n ( A )
V M C c o r r e c t i o n ( B )
C < D
C = D
C > D
C = D
R
R
R
R
C
C
G
G
G
G
D
D
B
B
B
B
HAMP Adjustment
Adjust the HAMP using HAMPL and HAMPR registers in the
Dynamic Convergence section of the service menu.
HTIL Adjustment
THL Correction assy
HTIL correction can be performed by adding a THL correction
assembly to the Deflection yoke.
YCH Adjustment
+
+
+
YCH VR
Deflection Yoke
TLV Adjustment
TLV VR
+
+
+
Deflection Yoke
H-TRAP Adjustment
+
+
+
HTRAP VR
Deflection Yoke
The H-TRAP should not be adjusted unless absolutely necessary as it
affects the TLV settings.
Page 20

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