Sony TRINITRON KV-28FQ86B Service Manual page 20

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 correction(A) HMC correction(B)
A<B a S B A>BR GB
o 00
\
v
Ih = BRG B Jy =BRG B
e) ae oy Oo oo 0
toy
b). WMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
VMC correction(A) VMC correction(B)
\
Adjust the HAMP using HAMPL and HAMPR registers in the
Dynamic Convergence section of the service menu.
HTIL correction can be performed by adding a THL correction
assembly to the Deflection yoke.
The H-TRAP shouid not be adjusted unless absolutely necessary as it
affects the TLV settings.
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