Terminal Function - Kenwood NXR-710 Service Manual

Final Unit (X45-3920-10) (A/3)
Pin No. Name I/O
CN1 (To X57-794 CN610)
1 TX IN I TX driver input signal (Coaxial)
CN201 (To X45-392 B/3 +B)
1 +B I Power supply input
CN202 (To X45-392 B/3 GND)
1 GND - Ground
CN203 (To X57-794 CN701)
1 GND - Ground
2 +B O Power supply output
3 +B O Power supply output
CN204 (To X57-794 CN801)
1 GND - Ground
2 8TC I 8V power supply control
3 RAMP I RF power control voltage
4 ASWC I ANT switch control
5 FAN I FAN control
6 FDT O Coupler input voltage
7 TMP2 O Temperature of X45 Final unit
8 TMP1 O Temperature of X45 Final unit
9 PLIM I Power limit control
10 H/L I Power control
11 HWV2 O Hardware version detect
CN205 (To FAN)
1 FAB O FAN power supply
2 FAG - FAN ground
Final Unit (X45-3920-10) (B/3)
Pin No. Name I/O
+B (To X45-392 A/3 CN201)
1 +B O Power supply output
GND (To X45-392 A/3 CN202)
1 GND - Ground
+B1 (To DC 13.6V)
1 +B I Power supply input
GND (To DC 13.6V)
1 GND - Ground
Final Unit (X45-3920-10) (C/3)
Pin No. Name I/O
N_SYNC1, 2 (To X53-449 CN5)
1 N_SYNC1_B I/O RS-485 differential signal 1-B
2 N_SYNC1_A I/O RS-485 differential signal 1-A
3 N_SYNC2_B I/O RS-485 differential signal 2-B
4 N_SYNC2_A I/O RS-485 differential signal 2-A
5 N_SYNC1_B I/O RS-485 differential signal 1-B

TERMINAL FUNCTION

Function
Function
Function
Pin No. Name I/O
6 N_SYNC1_A I/O RS-485 differential signal 1-A
7 N_SYNC2_B I/O RS-485 differential signal 2-B
8 N_SYNC2_A I/O RS-485 differential signal 2-A
J401, 402 (N_SYNC1, 2 jack)
1 N_SYNC1_B I/O RS-485 differential signal 1-B
2 N_SYNC1_A I/O RS-485 differential signal 1-A
3 N_SYNC2_B I/O RS-485 differential signal 2-B
4 N_SYNC2_A I/O RS-485 differential signal 2-A
Control Unit (X53-4490-10)
Pin No. Name I/O
CN5 (To X45-392 C/3 )
1 N_SYNC1_B I/O RS-485 differential signal 1-B
2 N_SYNC1_A I/O RS-485 differential signal 1-A
3 N_SYNC2_B I/O RS-485 differential signal 2-B
4 N_SYNC2_A I/O RS-485 differential signal 2-A
5 N_SYNC1_B I/O RS-485 differential signal 1-B
6 N_SYNC1_A I/O RS-485 differential signal 1-A
7 N_SYNC2_B I/O RS-485 differential signal 2-B
8 N_SYNC2_A I/O RS-485 differential signal 2-A
CN38 (To X57-794 CN800)
1 TMP1 I Temperature of X45 Final unit
2 TMP2 I Temperature of X45 Final unit
3 RAMP O RF power control voltage
4 FWD I RF power monitor voltage
5 TXASSIST O TX PLL assist voltage
6 RXASSIST O RX PLL assist voltage
7 TX_CV I TX VCO lock voltage
8 RX_CV I RX VCO lock voltage
9 GND - Ground
10 GND - Ground
11 TXVCOB O TX VCO B control signal
12 RXVCOA/B O RX VCO control signal to A or B
13 TXVCOA O TX VCO A control signal
14 /RXPCS_TR O RX PLL chip select signal
15 LDT I TX PLL lock detect signal
16 /16_8PCS O Reference clock PLL chip select signal
17 LDR I RX PLL lock detect signal
18 /TXPCS O TX PLL chip select signal
19 SPSCLK0 O Serial clock
20 SPSD0 O Serial data
21 SBC O Switched +B control signal
22 GND - Ground
23 MOD O Audio signal for TX modulation
24 GND - Ground
25 RSSI I RSSI voltage
NXR-710
Function
Function
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