Kenwood NXR-800 Service Manual page 30

NXR-800
Pin No. Name I/O
32 50MPU_A_GND -
33 50MPU O 5V constant voltage
34 50MPU_A_GND -
35 GND -
36 HI_VOL_DET O Voltage monitor
CN3 (To X56-312 B/3 CN921)
1 DC8 O 8V constant voltage
2 GND -
3 DC8 O 8V constant voltage
4 DC8 O 8V constant voltage
5 50MPU O 5V constant voltage
6 50MPU O 5V constant voltage
7 GND -
8 DC8 O 8V constant voltage
9 K5 O Key Scan
10 K4 O Key Scan
11 K3 I
12 K2 I
13 K1 I
14 GND -
15 STB1 O Shift Register Strobe
16 GND -
17 SR_DATA O Shift Register Data
18 GND -
19 SR_CLK O Shift Register Clock
20 GND -
21 SR_OE O Shift Register Output Enable
22 GND -
23 PTT_TXD_SCM I
24 SCM_EN -
25 HOOK_RXD_SCM I
26 GND -
27 OCXO_ST_G O OCXO Green LED Switch
28 PWR_ST_R O POWER Red LED Switch
29 OCXO_ST_R O OCXO Red LED Switch
30 SB O Power supply output
31 VOLUME_IN I
32 33AUD O 3.3V constant voltage
33 33MPU O 3.3V constant voltage
34 MIC I
35 GND -
36 MIG -
30
TERMINAL FUNCTION
Function
Ground
Ground
Ground
Ground
Ground
Key Scan
Key Scan
Key Scan
Ground
Ground
Ground
Ground
Ground
MIC PTT
No connection
HOOK detect input
Ground
Volume control input for AF signal
MIC Signal Input
Ground
MIC Ground
Pin No. Name I/O
CN4 (To X45-382 C/5 CN11)
1 E - Earth
2 NC - No connection
3 SB I Power supply input
4 SB I Power supply input
CN56 (To X56-312 A/3 CN804)
1 GND - Ground
2 GND - Ground
3 PAG O POCSAG Switch
4 GND - Ground
5 CONT_5.0V O 5V constant voltage
6 D_GND - Ground
7 CONT_5.0V O 5V constant voltage
8 D_GND - Ground
9 SDA I/O EEPROM Data
10 D_GND - Ground
11 SCK O EEPROM Clock
12 TEMP_PRT I Temperature Sensor Protection Signal
13 ANT_SW O Transmission antenna switch
14 DDS_EN O Enable for DDS
15 VR_EN O Enable for electronic volume
16 440_EN O Enable for PLL
17 132_EN O Enable for PLL
18 440_CE O PLL chip select
19 132_CE O PLL chip select
20 LDT I PLL lock detection
21 2DA_EN O Enable for 2ch DAC
22 3DA_EN O Enable for 3ch DAC
23 2DA_CE O Chip select for 2ch DAC
24 SR_OE O Shift Register Output Enable
25 8AD_EN O Enable for 8ch DC
26 SR_EN O Shift Register Strobe
27 SDI1 I Analog data of 8ch ADC
28 SDO0 O Data for 3 line serial
29 SCLK1 O Clock 1 for 3 line serial
30 SCLK0 O Clock for 3 line serial
31 SDO1 O Data 1 for 3 line serial
32 GND - Ground
33 MOD O Modulating signal
34 WP O Write protection of EEPROM
35 GND - Ground
36 GND - Ground
Function