Read Sharp 21HT-15 (serv.man2) Service Manual online
10
21HT-15H
••••
GEOMETRY ADJUSTMENT PROCEDURE
1. Receive Philips.
2. Go into service mode (refer to “How to access service mode” section).
3. Use
CH
/
CH
buttons in order to select the required adjust.
4.
Re-set the TV with the mains switch button (
) to store the adjustment and exit service mode.
V-LIN (Vertical slope adjust)
a) Use
/
buttons to move the picture.
b) Adjust the vertical linearity to obtain picture centring (fig. 6).
V-AMP (Vertical amplitude adjust)
a)
When
button is pressed, vertical size of picture increases.
b)
When
button is pressed, vertical size of picture decreases
c) Adjust the vertical amplitude to obtain picture overscan (Fig. 7).
V-CENT (Vertical shift adjust)
a) When
button is pressed, picture moves down.
b)
When
button is pressed, picture moves up.
c)
Adjust the vertical shift to obtain picture centring (Fig. 8).
H-CENT (Horizontal shift adjust)
d) When
button is pressed, picture moves to right.
e)
When
button is pressed, picture moves to left.
f)
Adjust the vertical shift to obtain picture centring (Fig. 9).
Fig. 6
Fig. 7
Fig. 8
Fig. 9
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