CTX 1451C/CLR Troubleshooting Manual page 10

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1451C/ALR
b. White balance fine regulation:
(1)Receive
VGA-480
timing, full white
square
pattern.
(2) Adjust BRIT. VR. to MIN., CONT. VR. to MAX..
(3) Adjust VR601,602,603 to make x=0.281 + 0.01,
y=0.311
+ 0.01,
are
measured
by color
Analyzer.
(4) Change the BRIT. VR to the click point and the
CONT. VR: between 1 ~ 2FL, then adjust
VR604,605,606 (BIAS VR) 'to. get X=0.281 +
0.005, Y=0.311+0.005, are measured by color
Analyzer.
ere
os
(5) If the white balance is.not.met, repeat step (2)
* ADJUSTMENT FOR CONVERGENCE
(1) Produce a magenta crosshatch on the display.
(3)Also
adjust the brightness
to the desired
condition.
7
(4) Vertical red and blue lines are converged by
varying the angle between the two tabs of the
4 pole magnets on the PCM assembly. (See
diagram below)
(5) Horizontal red and blue lines are converged by
moving the two tabs at the same time keeping
the angle between them constant.
(7) Vertical green
and
magenta
lines
are
converged by varying the angle between the
two tabs of the 6-pole magnets.
'DEFLECTION YORE"
S-POLE
CONVERGENCE MAGNETS
4POLE
'CONVERGENCE MAGNETS
PURITY MAGNETS
PCM:PURITY CONVERGENCE MAGNET.

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