Agc Level Adjustment - Sony Digital BETACAM CA-701 Maintenance Manual

2-3-3. AGC Level Adjustment

Preparation
• S103 (E-3) /AD-119 board:OFF
• S153 (E-2) /AD-119 board:OFF
• LINE/MIC CH-3 switch/outside panel:LINE
• MONITOR switch/inside panel:CH-3/-4 and MONO
(CH-3)
• AUDIO SELECT CH-3 switch/inside panel:AUTO
Adjustment procedure
1. Connect the output of audio oscillator (SG-5010) to
the AUDIO IN CH-3 connector of CA-701.
Test point : AUDIO IN CH-3 connector
Specification : 1 kHz, +4.0 dBu
2. Equipment : Audio analyzer
Test point : AUDIO OUT connector
Adjustment point : 1 RV1 (F-3)/AD-119 board
: 0 ±0.2 dBm (600 Ω)
Specification
Setting after adjustment
• Reset switches to the former settings.
7 6 5
RV151
RV2
S101
DA-98 Board (A side)
CA-701
4 3 2 1
A
B
C
D
E
F
G
H
RV101
J
K
L
M
N
2-3. Audio System Adjustment
3 2
A
B
C
D
E
S153 S103
F
RV1
G
AD-119 Board (B side)
1
2-3(E)