Vertical Size Adjustment; Other Geometry Adjustment - Hitachi 36SDX88B Service Manual

3.1.2.2 Vertical Size Adjustment
Adj. point
Dll, D16
Preparation for adjustment Adjustment procedure
Notes
(I) Receive Circle Pattern. (?) Adjust Vertical Linearity with adjustment
code so that the both upper and lower
area of circle are balanced.
Then, adjust Vertical Size with
adjustment code D16, so that inner
circle touches CRT phosphor edge.
(2) Repeat adjustment item (1) until the
specifications is met.
A
Ll
v
L2
v
Model
36SDX88B
Unit : mm
ILl-L21
3.0
3.'l.2.3 Other Geometry Adjustment
Adj. point D14, D06-DO9
Preparation for adjustment
Adjustment procedure Notes
(I) Vertical Size and Position
(1) Adjust Vertical Pincushion with
adjustment should be
adjustment code D14 so that outer
finished in advance.
vertical line of Cross-Hatch, shown by
Receive Cross-Hatch
arrow mark, become straight.
Pattern in group 2.
(2) Contrast : Maximum
Lt
Brightness : Center
Unit : mm
Model ILI-L2f
36SDX88B 5 3.0mm
(2) Adjust the following items, if vertical
line does not become straight with
D14 shown above.
a) Vertical Pincushion Balance
Adjustment code : DO6
75