Interface Board (Pcb5) - Panasonic KX-FP70CX Service Manual

KX-FP701CX/KX-FP702CX

17.5. Interface Board (PCB5)

TO POWER
+24V
+24V
8
+24V
7
+24V
6
GND
5
GND
4
GND
3
+6V
2
+6V
1
CN401
CN402
1
2
3
4
5
TO RX MOTOR
CN403
1
2
TO TX MOTOR
3
4
5
CN404
+5V
1
2
GND 3
4
5
TO OPE
6
7
8
CN405
1
TO SENSOR
2
3
GND
1 8
S1 D4
2 7
S2 D3
3 6
S3 D2
4 5
G D1
IC403
GND
+6V
GND
+24V
+6V
R405 820
E
B
C
Q401
16
O1
15
O2
14
O3
13
O4
12
O5
11
O6
10
O7
9
A K A K
COMMON
D403 D405
IC401
+24V
+6V
R404
820
E
B
C
Q402
16
O1
15
O2
14
O3
13
O4
12
O5
11
O6
10
O7
9
A K A K
COMMON
D404 D406
IC402
TO THERMAL HEAD
CN406
1
COM
2
DATA
3
/STB2
4
GND
5
+3.3V
CLOCK
6
TM
7 +3.3V
8
GND
GND 9
/STB1
10
GND
LATCH
11
COM
C402
100p
50
C403
100p
50
RXE
RM[0]
1
I1
RM[1]
2
I2
RM[2]
3
I3
RM[3]
4
I4
5
I5
6
I6
7
I7
8
GND
GND
TXE
TM[0]
1
I1
TM[1]
2
I2
TM[2]
3
I3
TM[3]
4
I4
5
I5
6
I6
7
I7
8
GND
GND
KSTART
KLATCH
KRXD
KTXD
KSCLK
OPRESET
KX-FP701CX/KX-FP702CX : INTERFACE BOARD
180
+5V
PS401
R410
1 3
180
2 4
GND
+24V
R409
HEADON
THLAT
RXE
TM[3]
TM[2]
TM[1]
TM[0]
TXE
RM[3]
RM[2]
RM[1]
RM[0]
KSTART
KLATCH
KRXD
KTXD
KSCLK
OPRESET
R408 2.2k
THDAT
STB2
THCLK
TM
STB1
GND
100
CN407
1
GND
2
+6V
3
4
5
6
7
GND
8
9
10
11
12
13
14
15
16
17
18
TO DIGITAL
+5V
CN408
1
2
3
4
5
6
7
8
9
10
11
D407
12
A K
13
14
15
16
+3.3V
17
18
TO DIGITAL