Interface Board (Pcb5) - Panasonic KX-FP701ME Service Manual

KX-FP701ME

17.5. Interface Board (PCB5)

TO POWER
+24V
+24V
8
+24V
7
+24V
6
GND
5
GND
4
GND
GND
3
+6V
+6V
2
+6V
1
CN401
+6V
CN402
1
2
3
4
5
TO RX MOTOR
A
+6V
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
C402
100p
50
C403
100p
50
GND
+24V
R405 820
E
B
C
Q401
16
O1 I1
15
O2 I2
14
O3 I3
13
O4 I4
12
O5 I5
11
O6 I6
10
O7 I7
9
K A K
COMMON GND
D403 D405
IC401
+24V
R404
820
E
B
C
Q402
16
O1 I1
15
O2 I2
14
O3 I3
13
O4 I4
12
O5 I5
11
O6 I6
10
O7 I7
9
A K A K
COMMON GND
D404 D406
IC402
TO THERMAL HEAD
+5V
CN406
R410
1
COM
180
2
DATA
3
/STB2
4
GND
5
+3.3V
CLOCK
6
TM
7 +3.3V
8
GND
9
GND
/STB1
10
GND
LATCH
11
COM
HEADON
RXE THLAT
RM[0]
1
RM[1]
2
RM[2]
3
RM[3] RXE
4
TM[3]
5
TM[2]
6
TM[1]
7
TM[0]
8
TXE
RM[3]
GND
RM[2]
RM[1]
RM[0]
TXE
TM[0]
1
TM[1]
2
TM[2]
3
KSTART
TM[3]
4
KLATCH
5
KRXD
6
KTXD
7
KSCLK
8
OPRESET
GND
KSTART
KLATCH
KRXD
KTXD THDAT
KSCLK STB2
OPRESET THCLK
TM
STB1
178
PS401
1 3
2 4
GND
+24V
R409
100
GND
+6V
GND
TO DIGITAL
CN408
R408 2.2k D407
A K
TO DIGITAL
GND
KX-FP701ME : INTERFACE BOARD
CN407
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+3.3V
17
18