Sharp VT-3448X, Руководство по обслуживанию

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CONVERGENCE ADJUSTMENT
ADJUSTMENT
(to
be done after the purity adjustment)
Receive the crosshatch pattern signal.
Using the remote controller, call the Normal mode.
STATIC CONVERGENCE
Turn the magnet to a proper opening an-
in order to superimpose the blue and red
ours.
Turn the magnet to a proper opening
in order to superimpose the green over
the blue and red
DYNAMIC CONVERGENCE
Adjust the convergence on the fringes of the
screen in the following steps.
l
Fig. a : Drive the wedge at point “a” and
Fig. a
_________________ ____
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swing the deflection coil upward.
l
Fig. b : Drive the wedges at points and
and swing the deflection coil
downward.
l
Fig. c : Drive the wedge deeper and
swing the deflection coil rightward.
l
Fig. d the wedge deeper and
swing the deflection coil leftward.
Fix all the wedges on the cathode ray tube and
apply glass tape over them.
Apply lacquer to the deflection yoke lock screw,
magnet unit (purity, and magnets),
and magnet unit lock screw.
Finally receive the red-only and blue-only sig-
nals and make sure there is no other mixed
on the screen.
\
\
\
\
- - - - - -
G
- -
. B
\
\
Fig. b
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- - - - - - - - I -
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- - - - - - - - - - - - - - - -
I
I
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Wedge “a”
Fig. d
Fig.