Sony Trinitron KV-HR36M90, Service Manual

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KV-HR36M90
RM-1007
4-5. 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.
4-4. G2 (SCREEN) ADJUSTMENT
1. G2 (SCREEN) ADJUSTMENT
1) Set to zoom mode and the PICTURE and BRIGHTNESS to
normal and to the service mode.
2) In put monoscope signal.
3) Set the service data. CXA2150P-210: ABLK10
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
170V – 0.5 (VDC)
FOCUS
SCREEN G2
FLYB ACK TRANSFORMER (T8001)
4-3-2. Dynamic Convergence Adjustment
Preparation:
• Before starting this adjustment, adjust the horizontal static
convergence and the vertical static convergence
• Set the PICTURE and BRIGHTNESS to normal.
1. Adjust TLH. (TLH correction piece)
1
Receive the dot/hatch pattern signal and adjust picture qual-
ity by the menu.
2
Correct horizontal mis-convergence of red and blue of both
sides on the X axis.
When red is outside insert BMC magnet to right side (THL+)
views from DY neck. And when blue is outside, insert it to
left side (THL–) and take both sides.
R
(B)
B
(R)
B
(R)
TLH +
TLH -
R
(B)
2. Adjust XCV core.
To able to become balance of XCV on the X axis well.
3. Adjust V-TILT.
Correct the vertical mis-convergence of red and blue of verti-
cally sides on the Y axis.
4. Adjust YCH.
Adjust horizontal mis-convergence of red and blue of verti-
cally sides on the Y axis. Mentioned above steps 2 to 4 are
adjusting respectively perform minuteness tracking.
XCV
C board
RV9001
TLV1
YCH
TLV2