Read Panasonic KX-T7740X (serv.man2) Service Manual online
Pin No.
Terminal Name
I/O Function
I/O Setting
Description
41
R61
I/O
O
LED21
42
R62
I/O
O
LED22
43
R63
I/O
O
LED23
44
R70
I/O
O
KEY/LED-COM4
45
R71
I/O
I
OPEN
46
R72
I/O
I
KEY-IN0
47
R73
I/O
I
KEY-IN1
48
R80
I/O
I
KEY-IN2
49
R81
I/O
I
KEY-IN3
50
R82
I/O
I
KEY-IN4
51
R83
I/O
I
KEY-IN5
52
R90
I/O
I
KEY-IN6
53
R91
I/O
I
KEY-IN7
54
R92
I/O
I
KEY-IN8
55
R93
I/O
I
KEY-IN9
56
RA0
I/O
I
KEY-IN10
57
RA1
I/O
I
KEY-IN11
58
SEL
I
I
A Four-minute Cycle Vcc Connection
59
Vcc
-
-
60
PB0
I
I
Not use GND Connection
61
PB1
I
I
Not use GND Connection
62
PB2
I
I
Not use GND Connection
63
RD0/COMP0
I
Comp
Not use GND Connection
64
RD1/COMP1
I
Comp
Not use GND Connection
10
KX-T7740X-B
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