70
TK-390
CN No. Pin No. Name
I/O
Function
TX-RX UNIT (X57-5400-XX)
CN400
1
CH D
I
CH switch data.
2
CH A
I
CH switch data.
for
3
CH C
I
CH switch data.
X53
4
CH B
I
CH switch data.
(B/6)
5
E
–
GND.
6
VOL
I
Voltage level input for audio control.
7
5CM
–
5V.
8
B+
–
Power input after passing through the fuse.
9
B+
–
Power input after passing through the fuse.
10
SB
–
Power output after power switch.
11
SB
–
Power output after power switch.
12
TOGGLE
I
Normally : 5V, switched toggle when
connected GND.
13
KEY2
I
Key input.
14
Q6
O
Key scan IC Q6 signal output.
15
Q7
O
Key scan IC Q7 signal output.
16
LCDCS
O
Chip select output for LCD driver.
17
CLK
O
Clock data output for LCD driver.
18
DAT
O
Data output for LCD driver.
19
LAMP
–
Backlight LED control.
Normally : 0V, Lighting : 7.5V
20
TXLED
–
TX LED control.
Normally : 0V, Lighting : 7.5V
21
BLED
–
Busy LED control.
Normally : 0V, Lighting : 7.5V
22
5M
–
5V.
CN401
1
TCONT
O
For optional board. (See page 22.)
2
OPPTT
O
For optional board. (See page 22.)
for
3
AMPSW
O
Audio AMP control switch output.
X53
4
EXAFC
O
External speaker switch control.
(A/6)
5
INAFC
O
Internal speaker switch control.
6
KRS
O
Key scan IC reset output.
7
KCK
O
Key scan IC clock data output.
8
SOD
–
Not use.
9
KEY1
I
Key input.
10
KEY2
I
Key input.
11
LCS
–
Not use.
12
PTT
I
PTT signal input.
13
N/CSW
O
Noise canseler microphone switch output.
14
NC
–
Not use.
15
CLK
O
Clock data output.
16
DAT
O
Data output.
17
E
–
GND.
18
SB
–
Power output after power switch.
19
SB
–
Power output after power switch.
20
5M
–
5V.
21
MICE
–
MIC GND.
22
MIC
I
MIC signal input.
23
AF
O
Audio output.
24
AFE
–
Audio GND.
25
AFE
–
Audio GND.
CN No. Pin No. Name
I/O
Function
26
SP+
I
BTL input + for external speaker.
27
SP–
I
BTL input – for external speaker.
28
MUTE
O
Audio mute signal output.
29
SD TO
O
For optional board.
30
MAN D
O
For optional board.
31
LAMP
O
Backlight LED control.
Normally : 0V, Lighting : 7.5V
32
Q7
O
Key scan IC Q7 signal input.
33
Q6
O
Key scan IC Q6 signal input.
CN402
1
AFE
–
Audio GND.
2
AFE
–
AUdio GND.
CN403
1
SSW
I
EXT/INT speaker switch input.
2
SP+
O
BTL for external speaker.
3
SP–
O
BTL output – for external speaker.
4
MSW
I
EXT/INT MIC switch input.
5
EMC
I
External microphone input.
6
ME
–
External microphone GND.
7
PTT
I
External PTT input.
8
PF
I
Programmable function key input.
9
NC
–
Not use.
10
E
–
GND
11
5M
–
5V.
12
TXD
O
Serial data output.
13
RXD
I
Serial data input.
14
NC
–
Not use.
CONTROL UNIT (X53-3930-XX) (A/6)
CN1
1
Q6
O
Key scan IC Q6 output.
2
Q7
O
Key scan IC Q7 output.
for
3
LAMP
I
Backlight LED control.
X57
Normally : 0V, Lighting : 7.5V
4
MAN D
I
For optional board. (See page 22.)
5
SD TO
I
For optional board. (See page 22.)
6
MUTE
I
Audio mute signal input.
7
SP–
O
BTL output – for external speaker.
8
SP+
O
BTL for external speaker.
9
AFE
–
Audio GND.
10
AFE
–
Audio GND.
11
AF
I
Audio output.
12
MIC
O
MIC signal input.
13
MICE
–
MIC GND.
14
5M
–
5V.
15
SB
–
Power output after power switch.
16
SB
–
Power output after power switch.
17
E
–
GND.
18
DATA
I
Data input.
19
CLK
I
Clock data input.
20
NC
–
Not use.
21
N/CSW
I
Noise canseler microphone switch input.
22
PTT
O
PTT signal output.
23
LCS
–
Not use.
24
KEY2
O
Key output.
25
KEY1
O
Key output.
TERMINAL FUNCTION
