JRC JCY-1850 - 6.3 Microphone Unit NVT-161

6. Block Diagrams
57
6.3 Microphone Unit NVT-161
The Block Diagram of Microphone Unit
Microphone Unit (NVT-161)Connection Diagram
1 2 3 4
1 2 3 4 5
MIC
RED
BLUE
YELLOW
WHITE
SPEAKER
+
-
+
-
CN1
TB1
MIC-P2(R1)
MIC AMP Board
TB1:WAGO 255 Series
MIC+ MIC- SHIELD SP+ SP-
TTYCS-1Q
RCU