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4-6-3. Color-bar Level Adjustment
Equipment: Oscilloscope
Preparation
. Set the setup menu as follows.
MENU: SYS Config
PAGE: Others
ITEM: CHU Color Bars → On
Adjustment Procedure
. Adjust levels for R-ch, G-ch and B-ch as follows.
Test Point
R-ch
TP17/extension board
G-ch
TP11/extension board
B-ch
TP5/extension board
Specification: A = 700 ± 7 mVp-p
R
G
A
Resetting after Adjustment
. Reset the setup menu as follows.
MENU: SYS Config
PAGE: Others
ITEM: CHU Color Bars → Off
HDC-750A
Adjustment Point
1RV102/IE-44
1RV202/IE-44
1RV302/IE-44
B
A
4-6-4. DTL Balance Adjustment
Equipment: Oscilloscope
Preparation
. Setting for MSU-700
TEST1 button → ON (lit)
Adjustment Procedure
. Adjust H-DTL1, H-DTL2 and V-DTL to drive them into
specifications.
Test Point/IE-44
H-DTL1
Pin 6/IC403
H-DTL2
Pin 6/IC405
V-DTL
Pin 6/IC409
Specification: A = 0 ± 5 mVp-p
There shall be no level difference in the
waveform.
Good
A
A
NG
NG
4-6. IE-44 Board Adjustment
Adjustment Point
1RV402/IE-44
1RV403/IE-44
1RV404/IE-44
H rate
V rate
4-13 (E)
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