Panasonic KX-P7100, Service Manual

Page: 94 / 148

7.11. IC14 ( Motor driver IC )
IC14 (Motor driver IC)
Pin
No.
Symbol In/Out Function
Pin
No.
Symbol In/Out Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LG
VREF
VSA
I0
IN2
IN1
VCC1
VMMA
OUT1
RSA
OUT2
NC1
PG
NC2
-
-
In
In
In
In
-
-
Out
Out
Out
-
-
-
GND
+5V
Voltage detector (A)
Output current ratio control
signal
Phase signal (nA) input
Phase signal (A) input
+5V
+24V
Phase signal (A) output
Motor current output (A)
Phase signal (nA) output
N.C.
GND
N.C. 15
16
17
18
19
20
21
22
23
24
25
26
27
OUT3
NC3
NC4
RSB
OUT4
VMMB
VCC2
IN4
IN3
I1
NC5
VSB
C/R
Out
-
-
Out
Out
-
-
In
In
In
-
In
-
Phase signal (nB) output
N.C.
N.C.
Motor current output (B)
Phase signal (B) output
+24V
+5V
Phase signal (B) input
Phase signal (nB) input
Output current ratio control
signal
N.C.
Voltage detector (B)
C,R connection for choping
frequency
7.12. IC15 ( Inverters )
IC15 (Inverters)
Pin
No.
Symbol In/Out Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1Y
2A
2Y
3A
3Y
GND
4Y
4A
5Y
5A
6Y
6A
VCC In
Out
In
Out
In
Out
-
Out
In
Out
In
Out
In
-
GND
+5V
A(In)
L
H
Y(Out)
H
L
A(In)
L
H
Y(Out)
H
L
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KX-P7100