JVC AV-21PM Service Manual page 21

Jvc av-21pm colour television service manual
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Measuring
Item
instrument
Adjustment
of
V-HEIGHT
Screen size
Screen
size
91%
Picture size 100%
Adjustment
of
H-POSITION
H
Adjustment
of
H-WIDTH
Screen size 91%
Screen
size
91%
Picture size 100%
Test point
Adjustment part
3. VER. HEIGHT
Picture
size
100%
2. HOR. POSITION
H'
V
V'
7. HOR. WIDTH
Picture
size
100%
No. 56055
Description
6. Receive a cross-hatch signal.
7. Select 3. VER. HEIGHT with the MENU a key.
8. Set the initial setting value of 3. VER. HEIGHT with the MENU
− / + key.
9. Adjust VER. HEIGHT and make the vertical screen size 91%
of the picture size with the MENU − / + key.
10. Receive a circle pattern signal.
11. Select 2. HOR. POSITION with the MENU a key.
12. Set the initial setting value of 2. HOR. POSITION with the
MENU − / + key.
13. Adjust HOR. POSITION to make H = H' with the MENU − / +
key.
14. Receive a cross-hatch signal.
15. Select 7. HOR. WIDTH with the MENU a key.
16. Set the initial setting value of 7. HOR. WIDTH with the MENU
− / + key.
17. Adjust HOR. WIDTH and make the horizontal screen size 91%
of the picture size with the MENU − / + key.
(to be continued)
AV-21PM
21

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