Trapezoid Adjustment; Parallelogram Adjustment - Hitachi 36SDX88B Service Manual

3.1 .I .6 Trapezoid Adjustment (if necessary) Adj. point DO9
Preparation for adjustment
Adjustment procedure Notes
(1) Receive Cross-Hatch
(1) Adjust Trapezoid with adjustment No. Adjust VGA4 and SVGA as
Pattern in group 1.
DO9 so that Ll and L2 become equal well by the same way.
if there is a difference between Ll
and L2.
/
Phosphor
area
&
\
-1
\
I
\
I
jrl
\
I
\
I
L2
Model
36SDX88B
unit :mm
IL1 -L21
53.Omm
Adjust Trapezoid and Paralleloqram
together.
3.1 .I .7 Parallelogram Adjustment (if necessary)
Adj. point DO7
('I) Receive Cross-Hatch (1) Adjust Parallelogram with adjustment
Adjust
VGA4 and SVGA as
pattern in group 1.
No. DO7 so that Ll and L2 become well by the same way.
equal if there is a difference between
Ll and L2.
Phosphor
unit :mm
area
+
Model IL1 -L21
36SDX88B
2 3.0mm
Adjust Trapezoid and Parallelogram
together.
72