2-1 (E)
BKP-7090
CN1
TP1
TP2
E1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
DA-128 BOARD (A SIDE)
RV4
RV3
RV1
RV2
A
2-1. AD, DA System Adjustment
Note
.
Adjustment of MS-37 board and OHB must be completed.
2-1-1. DA Gain Adjustment
Preparation
.
TEST 1 button/MSU-700
→
ON
.
WHITE CLIP OFF/MSU-700 (PAINT menu)
→
OFF (lit)
.
MASTER GAIN/MSU-700
→
+
18 dB
Adjustment procedure
1.
Video signal select button/BVP rear panel
→
R
2.
Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
Adj. point:
1
RV1 (R GAIN) /DA-128 board
Specification:
A = 109.5
±
0.5 IRE [NTSC]
A = 766
±
3 mV [PAL]
3.
Video signal select button/BVP rear panel
→
G
4.
Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
Adj. point:
1
RV2 (G GAIN) /DA-128 board
Specification:
A = 109.5
±
0.5 IRE [NTSC]
A = 766
±
3 mV [PAL]
5.
Video signal select button/BVP rear panel
→
B
6.
Equipment:
Video analyzer
Test point:
TEST OUT connector/BVP side panel
Adj. point:
1
RV3 (B GAIN) /DA-128 board
Specification:
A = 109.5
±
0.5 IRE [NTSC]
A = 766
±
3 mV [PAL]
Section 2
Electrical Alignment
