Terminal Function - Kenwood NXR-700 Service Manual

NXR-700
Final Unit (X45-3852-71) (A/5)
Pin No. Name I/O
CN1 (To X56-311 A/3 CN802)
1 TX SIGNAL I
CN2 (To X45-385 C/5 CN29)
1 SB I
1 - O 12V supply output for FAN
2 - -
1 MONITOR O Receive signal input (Coaxial)
CN20 (To X56-311 A/3 CN806)
1 GND -
2 GND -
3 NC -
4 GND -
5 PA_CURR O Power module current monitor
6 GND -
7 FAN_CURR O FAN current monitor
8 GND -
9 FWD_PWR O TX Forward power detection
10 GND -
11 RFL_PWR O TX Refl ect power detection
12 GND -
13 PWR_PRT I
14 GND -
15 PWR_CONT I
16 GND -
17 FAN_CONT I
18 GND -
19 FAN_CONT2 I
20 GND -
21 TEMP_RST I
22 GND -
23 ANT_SW I
24 GND -
25 TEMP_PRT O High temperature detect
26 D_GND -
27 CONT_5.0V I
28 D_GND -
29 SCL I
28

TERMINAL FUNCTION

Function
TX driver input signal (Coaxial)
Power supply input
CN8
Ground
CN19
Ground
Ground
No connection
Ground
Ground
Ground
Ground
Ground
TX power protection
Ground
TX power control
Ground
FAN1 control
Ground
FAN2 control
Ground
Reset input for temperature detect IC
Ground
Antenna switch
Ground
Digital ground
Switched 5V supply
Digital ground
Clock input for EEPROM
Pin No. Name I/O
30 D_GND - Digital ground
31 SDA I/O Data input/output for EEPROM
32 D_GND - Digital ground
33 GND - Ground
34 WP I Write protection input for EEPROM
35 GND - Ground
36 GND - Ground
CN21 (To X45-385 C/5 CN30)
1 E - Ground
Final Unit (X45-3852-71) (C/5)
Pin No. Name I/O
CN11 (To X53-413 CN4)
1 E - Ground
2 - - No connection
3 SB O Power supply output
4 SB O Power supply output
CN12 (To X56-311 CN801)
1 E - Ground
2 SB O Power supply output
3 SB O Power supply output
CN15 (To X55-309 CN44)
1 E - Ground
2 SB O Power supply output
3 SB O Power supply output
Final Unit (X45-3852-71) (E/5)
Pin No. Name I/O
CN905 (To X56-311 B/3 CN923)
1 VOLUME_IN O Volume control output for AF signal
2 33MPU I 3.3V constant voltage
3 GND - Ground
4 33AUD I 3.3V constant voltage
5 SB I Power supply input
6 SCM_EN - No connection
7 GND - Ground
8 PTT_TXD_SCM O PTT output
9 HOOK_RXD_SCM O Hook detection output
10 MIG - MIC ground
11 MIC O MIC signal output
Function
Function
Function