TKR-851
47
Connector Terminal Terminal I/O
Terminal function
No.
No.
Name
10
EPR
I
Enable input for RX PLL
11
EPT
I
Enable input for TX PLL
12
LDR
O
Lock detector for RX PLL
13
LDT
O
Lock detector for TX PLL
14
DT
I
Data input
15
CK
I
Clock input
16
STB
I
Strobe input for shift register
17
FWD
O
RF power down signal output
18
LD2
I
Latch data input for DA converter
19
BUP
O
Backup signal output
20
PSW
I
Power switch input
21
TMP
O
High temperature detector signal
output for fan action
22
SOE
I
Output enable for shift register
23
GND
–
Ground
24
MB
I
Modulation signal input for VCXO
25
MO
I
Modulation signal input for VCO
26
GND
–
Ground
27
GND
–
Ground
28
QS
I
Data
29
NC
–
No connection
30
SB
O
Power supply output after power switch
31
SB
O
Power supply output after power switch
32
SB
O
Power supply output after power switch
33
SB
O
Power supply output after power switch
34
NC
–
No connection
35
8C
O
Common 8V output
36
8C
O
Common 8V output
CN15
1
E
–
Earth
2
B
I
Power supply input
3
B
I
Power supply input
CN16
1
GND
–
Ground
2
NC
–
No connection
To X45
3
8T
O
8V output during transmission
final
4
PC
O
TX power control signal output
unit
5
FAS
O
Fan control signal output
6
PDT
I
RF power down signal input
7
BUT
I
Main DC/BACKUP status input
8
TMP
I
High temperature detector signal
input for fan action
CN18
1
RX IN
I
Receive signal input (Coaxial)
CN19
1
DO
O
Transmission signal output (Coaxial)
TX-RX Unit (X57-6962-70) (B/2) : Control Section
Connector Terminal Terminal I/O
Terminal function
No.
No.
Name
CN600
1
SB
O
Power supply output after power switch
To X54
2
SB
O
Power supply output after power switch
(B/2)
3
GND
–
Ground
Connector Terminal Terminal I/O
Terminal function
No.
No.
Name
4
NC
–
No Connection
display
5
DAT
O
Serial data output
unit
6
PSW
I
Power switch input
7
STB1
O
Strobe data for shift register
8
CLK
O
Clock data output
9
SOE
O
Output enable for shift register
10
TXD1
I/O PTT input/TXD output
11
K1
I
KEY input 1
12
RXD1
I
Hook detection input/RXD input
13
K2
I
KEY input 2
14
K3
I
KEY input 3
15
K4
O
KEY output 4
16
K5
O
KEY output 5
17
VLI
I
Volume control input for AF signal.
18
5C
O
Common 5V output
19
MIG
–
Mic ground
20
MIC
I
MIC signal input
CN601
1
TXO
O
MIC signal output to the board
2
TXI
I
MIC signal input from the board
To
3
RXO
O
RX audio signal output to the board
optional
4
AC
O
Audio control signal output
board
5
BC1
O
Scramble code output.
6
BC2
O
Scramble code output.
7
BC3
O
Scramble code output.
8
BC4
O
Scramble code output.
9
PTI
I
PTT signal input
10
CLRC
O
Clear code for scramble
11
RXI
I
RX audio signal input from the board
12
PTO
O
PTT signal output
13
NC
O
No connection
14
GND
–
Ground
CN602
1
8C
I
Common 8V input
2
8C
I
Common 8V input
To X57
3
NC
–
No connection
(A/2)
4
SB
I
Power supply input after power switch
TX-RX
5
SB
I
Power supply input after power switch
unit
6
SB
I
Power supply input after power switch
7
SB
I
Power supply input after power switch
8
NC
–
No connection
9
QS
O
Data
10
GND
–
Ground
11
GND
–
Ground
12
MO
O
Modulation signal output for VCO
13
MB
O
Modulation signal output for VCXO
14
GND
–
Ground
15
SOE
O
Output enable for shift register
16
TMP
I
High temperature detector signal input
17
PSW
O
Power switch output
18
BUP
I
Backup signal input
TERMINAL FUNCTION
