Terminal Function - Kenwood NXR-800 Service Manual

NXR-800
Final Unit (X45-3820-10) (A/5)
Pin No. Name I/O
CN1 (To X56-312 A/3 CN802)
1 TX SIGNAL I
CN2 (To X45-382 C/5 CN29)
1 SB I
1 - O 5V supply output for FAN
2 - -
1 MONITOR O Receive signal input (Coaxial)
CN20 (To X56-312 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 DGND_ -
27 CONT_5.0V I
28 DGND_ -
29 SCL I
30 D_GND -
31 SDA I/O Data input/output for E2PROM
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 E2PROM
Digital ground
Pin No. Name I/O
32 D_GND - Digital ground
33 GND - Ground
34 WP I Write protection input for E2PROM
35 GND - Ground
36 GND - Ground
CN21 (To X45-382 C/5 CN30)
1 E - Ground
Final Unit (X45-3820-10) (C/5)
Pin No. Name I/O
CN11 (To X53-413 CN4)
1 E - Ground
2 - - No connect
3 SB O Power supply output
4 SB O Power supply output
CN12 (To X56-312 CN801)
1 E - Ground
2 SB O Power supply output
3 SB O Power supply output
CN15 (To X55-310 CN44)
1 E - Ground
2 SB O Power supply output
3 SB O Power supply output
Final Unit (X45-3820-10) (D/5)
Pin No. Name I/O
CN701 (To X55-310 CN6/CN36)
1 - I 9V supply input
2 - - Ground
3 - O -3V supply output
4 - - Ground
Final Unit (X45-3820-10) (E/5)
Pin No. Name I/O
CN905 (To X56-312 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
Function
Function
Function
Function