Panasonic KX-NT305X Service Manual ▷ View online
17
KX-NT305X / KX-NT305X-B
9.2.
Bottom View
SW46
CO46
LED46
SW47
CO47
LED47
SW48
CO48
LED48
SW49
CO49
LED49
SW50
CO50
LED50
SW51
CO51
LED51
SW52
CO52
LED52
SW53
CO53
LED53
SW54
CO54
LED54
SW55
CO55
LED55
SW56
CO56
LED56
SW57
CO57
LED57
SW58
CO58
LED58
SW59
CO59
LED59
SW60
CO60
LED60
SW16
CO16
LED16
SW17
CO17
LED17
SW18
CO18
LED18
SW19
CO19
LED19
SW20
CO20
LED20
SW21
CO21
LED21
SW22
CO22
LED22
SW23
CO23
LED23
SW24
CO24
LED24
SW25
CO25
LED25
SW26
CO26
LED26
SW27
CO27
LED27
SW28
CO28
LED28
SW29
CO29
LED29
SW30
CO30
LED30
SW31
CO31
LED31
SW32
CO32
LED32
SW33
CO33
LED33
SW34
CO34
LED34
SW35
CO35
LED35
SW36
CO36
LED36
SW37
CO37
LED37
SW38
CO38
LED38
SW39
CO39
LED39
SW40
CO40
LED40
SW41
CO41
LED41
SW42
CO42
LED42
SW43
CO43
LED43
SW44
CO44
LED44
SW45
CO45
LED45
SW1
CO1
LED1
SW2
CO2
LED2
SW3
CO3
LED3
SW4
CO4
LED4
SW5
CO5
LED5
SW6
CO6
LED6
SW7
CO7
LED7
SW8
CO8
LED8
SW9
CO9
LED9
SW10
CO10
LED10
SW11
CO11
LED11
SW12
CO12
LED12
SW13
CO13
LED13
SW14
CO14
LED14
SW15
CO15
LED15
KX-NT305X/KX-NT305X-B Bottom View
18
KX-NT305X / KX-NT305X-B
10 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
19
KX-NT305X / KX-NT305X-B
11 Exploded View and Replacement Parts List
11.1. IC Data
Pin No.
Terminal Name
I/O Setting
Description
Remark
1
X1
I
Not in use
Connecting to Vcc
2
X2
O
OPEN
3
Vss
-
DG
4
OSC2
O
9.830MHz ceralock
5
OSC1
I
9.830MHz ceralock
6
TEST
I
Not in use
Connecting to GND
7
Vcc
-
Power terminal
+3.3V
8
nReset
I
Receive from IP-PT (RESET__OUT)
Low active
9
P20/IRQ4/ADTAG
I
Not in use
Connecting to GND
10
P21/SCK1
I
Receive from IP-PT (SCLK_OPT)
11
P22/SI1
I
Receive from IP-PT (TXD)
12
P23/SO1
O
Transmit to IP-PT (RXD_OPT)
13
P24/SCK3
I
Not in use
Connecting to GND
14
P25/RxD
I
Not in use
Connecting to GND
15
P26/TxD
I
Not in use
Connecting to GND
16
P27/IRQ0
I
Not in use
Connecting to GND
17
P17/IRQ3/TMIF
O
Transmit to IP-PT (RX-RDY)
18
P16/IRQ2
I
Not in use
Connecting to GND
19
P15/IRQ1
I
Not in use
Connecting to GND
20
P14
I
K[6]
Low:push
21
P13/TMIG
I
K[7]
Low:push
22
P12/TMOFH
I
K[8]
Low:push
23
P11/TMOFL
I
K[9]
Low:push
24
P10/TMOW
I
K[10]
Low:push
25
PA3
I
Not in use
Connecting to GND
26
PA2
I
Not in use
Connecting to GND
27
PA1
I
Not in use
Connecting to GND
28
P50/WKP0
I
K[1]
Low:push
29
P51/WKP1
I
K[2]
Low:push
30
P52/WKP2
I
K[3]
Low:push
31
P53/WKP3
I
K[4]
Low:push
32
P54/WKP4
I
K[5]
Low:push
33
P55/WKP5
I
Not in use
Connecting to GND
34
P56/WKP6
O
L[11]
Low:active
35
P57/WKP7
O
L[12]
Low:active
36
P60
O
L[13]
Low:active
37
P61
O
L[14]
Low:active
20
KX-NT305X / KX-NT305X-B
38
P62
O
L[15]
Low:active
39
P63
O
L[16]
Low:active
40
P64
O
L[17]
Low:active
41
P65
O
L[18]
Low:active
42
P66
O
L[19]
Low:active
43
P67
O
L[20]
Low:active
44
P70
O
L[1]
Low:active
45
P71
O
L[2]
Low:active
46
P72
O
L[3]
Low:active
47
P73
O
L[4]
Low:active
48
P74
O
L[5]
Low:active
49
P75
O
L[6]
Low:active
50
P76
O
L[7]
Low:active
51
P77
O
L[8]
Low:active
52
P80
O
L[9]
Low:active
53
P81
O
L[10]
Low:active
54
P82
O
KEY/LED_C[1]
Hi:active
55
P83
O
KEY/LED_C[2]
Hi:active
56
P84
O
KEY/LED_C[3]
Hi:active
57
P85
O
KEY/LED_C[4]
Hi:active
58
P86
O
KEY/LED_C[5]
Hi:active
59
P87
O
KEY/LED_C[6]
Hi:active
60
TONED
O
Not in use
OPEN
61
VTref
I
Not in use
Connecting to Vcc
62
PB7/AN7
I
Not in use
Connecting to GND
63
PB6/AN6
I
Not in use
Connecting to GND
64
CVcc
I
Internal electrical power source
Connecting 0.1ÉþF to GND
Pin No.
Terminal Name
I/O Setting
Description
Remark
Click on the first or last page to see other KX-NT305X service manuals if exist.