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2-1. AD, DA System Adjustment
2-1-2. AD Gain Adjustment
Note
. Before adjustment, make sure that the "2-1-1. DA Gain Adjustment" is completed.
. Reset the control data (refer to section 1-3)
Preparation
. TEST 1 button/MSU-700 → ON
. WHITE CLIP OFF/MSU-700 (PAINT menu) → OFF (lit)
. KNEE OFF button/MSU-700 → OFF (lit)
. MASTER GAIN/MSU-700 → 0 dB
Adjustment procedure
1. Video signal select button/BVP rear panel → R
2. Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
1RV1 (R GAIN) /AD-148 board
Adj. point:
Specification: A = 100.0 ± 0.5 IRE [NTSC]
A = 700 ± 3 mV [PAL]
3. Video signal select button/BVP rear panel → G
4. Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
1RV101 (G GAIN) /AD-148 board
Adj. point:
Specification: A = 100.0 ± 0.5 IRE [NTSC]
A = 700 ± 3 mV [PAL]
5. Video signal select button/BVP rear panel → B
6. Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
1RV201 (B GAIN) /AD-148 board
Adj. point:
Specification: A = 100.0 ± 0.5 IRE [NTSC]
A = 700 ± 3 mV [PAL]
2-2 (E)
A
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
TP300
TP704
RV3
RV1
TP1
TP400
RV103
RV101
TP101
TP500
RV203
RV201
TP201
AD-148 BOARD (A SIDE)
F
G
H
TP703
TP702
E1
TP701
TP700
CN1
BKP-7090
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