
RMV800 SERVICE MANUAL
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135
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2. TX-RX Unit
Pin No.
Name
Description
J101 (To DISPLAY UNIT)
1 ME
MIC
ground.
2
MIC
MIC signal output.
3 E
Ground.
4
REST
Reset signal input.
5
TXD2
Serial data output.
6
RXD2
Serial data input.
7 E
Ground.
8
PSW
Power switch control signal output.
9
SB
Power input after power switch (13.6V+15%).
10
SP1
BTL input for remote speaker output.
11
SP2
BTL input for remote speaker output.
J104 (To VCO UNIT)
1 ST
TX
RX
switch.
2 HT
RF
output.
3 E
GND.
4 8C
+8V.
5 MD
Modulate
output.
6 CV
Control
voltage.
J108(To POWER)
1 +B
+13.6V+0.5V
J110(To EXTSP)
Pin No.
Name
Description
1
OUT2
Output to speaker.
2
SP2
BTL input for remote speaker output.
3
SP1
BTL input for remote speaker output.
4 GND
GND.