Hitachi CU-HD500 - Page 30

18
Service information
MIC REMOTE (15pin D-sub female: RDAD-15S-LNA(4-40)(55))
8 1
15 9
Plug CU mainframe +5V
SW ON ：Lo
SW OFF：Hi
Hi : Internal Control （Menu） MIC SEL
Lo : External Control （MIC REMOTE connector）
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin
Signal
1
+5V OUT (200mA max)
2
TALLY GND
3
G TALLY OUT
4
R TALLY OUT
5
MIC1 GAIN CTL2
6
MIC1 GAIN CTL1
7
MIC1 GAIN CTL0
8
MIC SEL1
9
GND
10
11
NC
12
MIC2 GAIN CTL2
13
MIC2 GAIN CTL1
14
MIC2 GAIN CTL0
15
MIC SEL2
CTL0 CTL1 CTL2 MIC AMP
GAIN
Hi Hi Hi 70dB
Lo Hi Hi 60dB
Hi Lo Hi 50dB
Lo Lo Hi 40dB
Hi Hi Lo 30dB
Lo Hi Lo 20dB
Hi Lo Lo 10dB
Lo Lo Lo -10dB
100kΩ