Read Panasonic KX-T7730UA (serv.man3) Service Manual Supplement online
7
KX-T7730UA
1.3.
IC DATA
Change from the Original Service Manual Section 7.
Pin No.
Terminal Name
I/O Function
I/OSetting
Description
1
P3_0
I/O
O
open
2
Vref
I
-
DTMF Standard Power
3
MODE
I
-
MODE
4
P4_3
I/O
O
HS_MUTE
5
P4_4
I/O
O
SP_RX_MUTE
6
/RESET
I
-
RESET OUT
7
XOUT
I/O
O
20MHz
8
VSS
I
-
GND
9
XIN
I/O
-
20MHz
10
VCC
I
-
Vcc_3.3V
11
P5_4
I/O
O
SP_TX_MUTE
12
P5_3
I/O
O
HF Relay
13
P5_2
I/O
O
HS-POWER
14
P5_1
I/O
O
SP-POWER
15
P5_0
I/O
I
Hold Key
16
P3_7
I/O
O
D_OUT
17
P3_5
I/O
I
Model1
18
P3_4
I/O
I
Model2
19
P3_3
I/O
I
DI_INT
20
P2_7
I/O
I
KEY-IN0
21
P2_6
I/O
I
KEY-IN1
22
P2_5
I/O
I
KEY-IN2
23
P2_4
I/O
I
KEY-IN3
24
P2_3
I/O
I
KEY-IN4
25
P2_2
I/O
I
KEY-IN5
26
P2_1
I/O
I
KEY-IN6
27
P2_0
I/O
I
Hook-SW
28
P3_6
I/O
O
KEY/LED-COM0
29
P3_1
I/O
O
KEY/LED-COM1
30
P8_6
I/O
O
KEY/LED-COM2
31
P8_5
I/O
O
KEY/LED-COM3
32
P8_4
I/O
O
KEY-COM4/RS
33
P8_3
I/O
O
LCD_Contrast1
34
P8_2
I/O
O
LCD_Contrast0
35
P8_1
I/O
O
KEY-COM5
36
P8_0
I/O
I
Ring vol off
37
P6_7
I/O
O( I )
LCD_STB
38
P6_6
O
O
LCD_DO
39
P6_5
I/O
O
LCD_CLK
40
P4_5
I/O
O
LED0
41
P1_7
I/O
O
LED1
42
P1_6
I/O
O
LED2
43
P1_5
I/O
O
LED3
44
P1_4
I/O
O
LED4
45
P1_3
I/O
O
LED5
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