Specifications

RMU800A SERVICE MANUAL
－ 138 －
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.