Vertical Pincushion Adjustment - Hitachi 36SDX88B Service Manual

3.1 .I .4 Vertical linearity, Size and Position Adjustment Adj. point Dll, D16
Preparation for adjustment Adjustment procedure Notes
(1) Receive Cross-Hatch and (1) Adjust Vertical Linearity with Adjust VGA4, SVGA by the
Circle Pattern of VGA3 in
adjustment code, Dl I so that the same way.
group 1 with White
length of upper area Ll and lower area
Background.
L2 to be equal.
(2) Focus adjustment should
be finished in advance.
Phosphor
edge
~~~~a' The center of
horizontal lines
(unit :mm)
Model
Ll -L2 IL1 -L21
36SDX88B 251.5 12
+3
(2) Adjust Vertical Size with adjustment
code D16 so as to meet the
specification shown at right.
Phosphor
edge
Signal
area
/
(unit :mm)
7-T '
Model Ll L2
36SDX88B 541 .O 503+3
L2 L?
l-l
71