Read Panasonic KX-T7730UA Service Manual online
7 IC DATA
Pin No.
Terminal Name
I/O Function
I/O Setting
Description
1
RE0
I
I
LCD linage H:3line Model L:Other
2
TEST
I
-
Vcc Connection
3
OSC1
I
-
4MHz
4
OSC2
O
-
4MHz
5
RESET
I
-
6
X1
I
-
Not used Vcc Connection
7
X2
O
-
Open
8
GND
-
-
9
D0
I/O
O
HS SM mute
10
D1
I/O
O
HF MM mute
11
D2
I/O
O( I )
HF SM mute(This is also model code.)
12
D3
I/O
O
HF Relay
13
D4
I/O
O
HS power on
14
D5
I/O
O
HF power on (CS)
15
D9
I/O
I
HOLD Key L:Key press
16
D10
I/O
O
DO
17
D11
I/O
O
DCLR
18
D12
I
I
DI
19
D13
I
I
DI_INT
20
R00
I/O
I
KEY-IN0
21
R01
I/O
I
KEY-IN1
22
R02
I/O
I
KEY-IN2
23
R03
I/O
I
KEY-IN3
24
R10
I/O
I
KEY-IN4
25
R11
I/O
I
KEY-IN5
26
R12
I/O
I
KEY-IN6
27
R13
I/O
I
Hook-SW
28
R20
I/O
O
KEY/LED-COM0
29
R21
I/O
O
KEY/LED-COM1
30
R22
I/O
O
KEY/LED-COM2
31
R23
I/O
O
KEY/LED-COM3
32
R30
I/O
I/O
KEY-COM4
33
R33
I/O
O( I )
LCD_Contrast1(This is also model code.)
34
R32
I/O
O
*LCD_Contrast0
35
R31
I/O
I/O
KEY-COM5
36
R40
I/O
I
Ring vol off
37
R41
I/O
O
LCD_CLK
38
R42
I/O
O( I )
LCD_STB/(Model Code)
39
R43
I/O
O
LCD_DO
40
R60
I/O
O
LED0
41
R61
I/O
O
LED1
10
KX-T7730UA
Click on the first or last page to see other KX-T7730UA service manuals if exist.