Read Sony KV-AR29T80C Service Manual online
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KV-AR29T80C/AR29X80C
RM-W104
RM-W104
4-4. FOCUS ADJUSTMENT 1
Note
Focus adjustment should be completed before W/B adjustment.
(1) Receive digital monoscope pattern.
(2) Set DRC-MF to “Progressive” and PICTURE to “Standard”.
(3) Adjust FOCUS VR so that the center of the screen becomes
justfocus.
4-3. G2 (SCREEN) ADJUSTMENT
1. G2 (SCREEN) ADJUSTMENT
1) Set to the PICTURE and BRIGHTNESS to normal and to the
service mode.
2) In put monoscope signal.
3) Set the service data. RGB OFF
4) Connect R, G and B of the C board cathode to the oscillo-
scope.
5) Adjust BRIGHTNESS to obtain the cathode voltage to the
value below.
6) Whilst watching the picture, adjust the screen VR located on
the flyback transformer to the point just before the flyback
return lines disappear (to the point before cut-off)
0 V
168V
± 2V (VDC)
FLYB ACK TRANSFORMER (T502)
FOCUS
SCREEN
G2
4-5. NECK ASSY TWIST ADJUSTMENT
(1) Receive dot/hatch pattern.
(2) Turn FOCUS VR fully counter-clockwise.
(3) Confirm the dot shape at the screen center. (Fig. 4-5)
(4) Resume FOCUS VR.
Note
Note
In case of turning NECK ASSY, loosen the screw 3 turns. Do not
move the position.
OK
Turn NECK ASSY clockwise.
Turn NECK ASSY counter clockwise.
Fig. 4-5
4-6. PICTURE DISTORTION ADJUSTMENT
Note: In this adjustment use the monoscope signal.
Adjust in the service mode “DEF1” and “DEF2”.
1 H-BOW
1 V-AMPL
4 H-PARABOLA
5 H-U.CORNER
6 H-L.CORNER
7 H-TRAPE
2 H-SHIFT
2 V-S.CORR
3 H-WIDTH
3 V-SHIFT
0 H-PARALLEL
0 V-SLOPE
DEF1
DEF2
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