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4-3. VA Gain Adjustment
9. Test Point
: TP72 (GND:TP71)/extension board
(extending VA-163)
Iris of the lens: A = 125 mV (at F7.0 or more)
(Oscilloscope)
10. S650 (MONITOR SELECT)/IF-538 panel → VF
G button/rear panel → ON
11. Adjust the VA gain for G.
Test Point
: MONITOR connector
Adjustment Point : 1RV300 (G GAIN)/VA-163
panel
Specifications
: The levels A and B are shall be
equal when the TEST 2 button/
MSU operation panel is turned
on and off.
A = B
(Oscilloscope)
12. Test 2 button/MSU operation panel → OFF
13. Select the 15 lines in the center of monitor screen C by
using the 15 LINE SELECT on the waveform monitor.
14. Put the waveform monitor into the CHROMA mode.
15. S650 (MONITOR SELECT)/IF-538 panel → VBS
4-6
16. Test Point
: MONITOR connector
Adjustment Point : 1RV200 (R GAIN)/VA-163
panel
1RV400 (B GAIN)/VA-163
panel
Specifications
: Carrier leakage D = Minimum
(Waveform Monitor)
Resetting after Adjustment:
• S650/IF-538 panel → VBS
• G button/rear panel → OFF
4
VA
TEST
CT200
R GAIN
RV200
R
CT300
G GAIN
RV300
R
CT400
B GAIN
RV400
B
VA-163 BOARD (A SIDE)
C
3
2
1
A
B
C
D
E
F
G
BVP-500
BVP-500P
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