Terminal Function - Kenwood NXR-810 Service Manual

NXR-810
Final Unit (X45-3932-71) (A/3)
Pin No. Name I/O
CN1 (To X57-795 CN610)
1 TX IN
CN201 (To X45-393 B/3 +B)
1 +B
CN202 (To X45-393 B/3 GND)
1 GND
CN203 (To X57-795 CN701)
1 GND
2 +B
3 +B
CN204 (To X57-795 CN801)
1 GND
2 8TC
3 RAMP
4 ASWC
5 FAN
6 FDT
7 TMP2
8 TMP1
9 PLIM
10 H/L
11 HWV2
1 FAB
2 FAG
Final Unit (X45-3932-71) (B/3)
Pin No. Name I/O
+B (To X45-393 A/3 CN201)
1 +B
GND (To X45-393 A/3 CN202)
1 GND
+B1 (To DC 13.6V)
1 +B
GND (To DC 13.6V)
1 GND
92

TERMINAL FUNCTION

Function
I TX driver input signal (Coaxial)
I Power supply input
- Ground
- Ground
O Power supply output
O Power supply output
- Ground
I 8V power supply control
I RF power control voltage
I ANT switch control
I FAN control
O Coupler input voltage
O Temperature of X45 Final unit
O Temperature of X45 Final unit
I Power limit control
I Power control
O Hardware version detect
CN205 (To FAN)
O FAN power supply
- FAN ground
Function
O Power supply output
- Ground
I Power supply input
- Ground
Final Unit (X45-3932-71) (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
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_SYNC2_A I/O RS-485 differential signal 2-A
2 N_SYNC2_B I/O RS-485 differential signal 2-B
3 N_SYNC1_A I/O RS-485 differential signal 1-A
4 N_SYNC1_B I/O RS-485 differential signal 1-B
Control Unit (X53-4490-10)
Pin No. Name I/O
CN5 (To X45-393 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 X57-795 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
Function
Function