JVC AV-14AM Service Manual page 24

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AV-14AM
Measuring
Item
instrument
Signal
Adjustment
generator
of# # # # HOR.
POSITION
Remote
control unit
H
Fig.3
Signal
Adjustment
generator
of VER. LIN.
& VER.
Remote
SCURVE
control unit
Fig.4
24
Test point
Adjustment part
2. HOR.
POSITION
H"
4. VER. LINEARITY
5. VER. SCURVE
TOP
CENTER
BOTTOM
No. 56091
Description
10. Receive a circle pattern signal.
11. Select 2. HOR POSITION with the MENU ▼ / ▲ key.
12. Set the initial setting value of 2. HOR. POSITION with the
MENU - / + key.
13. Adjust 2. HOR. POSITION to make H=H" as shown in Fig.3
with the MENU - / + key.
● ● ● ● When
the
vertical
linearity
remarkably, perform the following steps.
14. Receive a cross-hatch signal.
15. Select 4. VER. LINEARITY with the MENU ▼ / ▲ key.
16. Set the initial setting value of 4. VER LINEARITY with the
MENU - / + key.
17. Select 5. VER. SCURVE with the MENU ▼ / ▲ key.
18. Set the initial setting value of 5. VER. SCURVE with the
MENU - / + key.
19. Adjust 4. VER. LINEARITY and 5. VER. SCURVE so that the
spaces of each line as shown in Fig.4 on TOP , CENTER and
BOTTOM become uniform.
20. Make sure that the adjustment is properly done on the screen
of 60Hz mode.
[NOTE]
"
Adjust to make both 50Hz & 60Hz are the same v. size and
fine straight line.
"
When adjust again, adjust 50Hz mode first.
"
When adjust in 60Hz mode, only 60Hz mode is adjust.
has
been
deteriorated

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