Panasonic KX-NT305X Service Manual ▷ View online
13
KX-NT305X / KX-NT305X-B
D3.3V
DG
DG
150
R9
150
R13
150
R7
150
R11
150
R5
Q2
1
2
3
4
5
Q1
1
2
3
4
5
Q3
1
2
3
4
5
Q4
1
2
3
4
5
Q5
1
2
3
4
5
LED38
CO38
1
2
3
4
LED48
CO48
1
2
3
4
LED60
CO60
1
2
3
4
LED57
CO57
1
2
3
4
LED40
CO40
1
2
3
4
LED58
CO58
1
2
3
4
LED42
CO42
1
2
3
4
LED52
CO52
1
2
3
4
LED39
CO39
1
2
3
4
LED37
CO37
1
2
3
4
LED31
CO31
1
2
3
4
LED35
CO35
1
2
3
4
LED43
CO43
1
2
3
4
LED56
CO56
1
2
3
4
LED53
CO53
1
2
3
4
LED51
CO51
1
2
3
4
LED49
CO49
1
2
3
4
LED36
CO36
1
2
3
4
LED46
CO46
1
2
3
4
LED33
CO33
1
2
3
4
LED44
CO44
1
2
3
4
LED59
CO59
1
2
3
4
LED41
CO41
1
2
3
4
LED50
CO50
1
2
3
4
LED54
CO54
1
2
3
4
LED47
CO47
1
2
3
4
LED45
CO45
1
2
3
4
LED32
CO32
1
2
3
4
LED34
CO34
1
2
3
4
LED55
CO55
1
2
3
4
Q13
1
6
2
5
3
4
Q12
1
6
2
5
3
4
Q11
1
6
2
5
3
4
Q16
1
6
2
5
3
4
Q15
1
6
2
5
3
4
Q14
1
6
2
5
3
4
DG
DG
DG
DG
SW59
CO59
SW56
CO56
SW31
CO31
SW33
CO33
SW55
CO55
SW44
CO44
SW48
CO48
SW39
CO39
SW42
CO42
SW45
CO45
SW37
CO37
SW34
CO34
SW50
CO50
SW52
CO52
SW60
CO60
SW57
CO57
SW32
CO32
SW51
CO51
SW46
CO46
SW47
CO47
SW43
CO43
SW35
CO35
SW49
CO49
SW41
CO41
SW54
CO54
SW38
CO38
SW58
CO58
SW40
CO40
SW53
CO53
SW36
CO36
43
R10
43
R8
43
R12
43
R6
43
R14
L[11]
L[12]
L[13]
L[14]
L[15]
L[16]
L[17]
L[18]
L[19]
L[20]
K[7]
K[8]
K[10]
K[6]
K[9]
G
R
R
R
R
G
R
G
R
R
G
G
G
R
G
G
G
R
G
G
G
R
R
G
R
R
R
G
R
G
R
R
G
R
R
G
G
R
R
R
R
G
R
R
G
G
G
G
G
R
G
G
R
G
R
G
G
R
R
G
(3)
(8)
(4)
(5)
(6)
(7)
(9)
(2)
(11)
(10)
(12)
(14)
(13)
(15)
(17)
(16)
(18)
(20)
(19)
(21)
KX-NT305X / KX-NT305X-B : MAIN BOARD (2/3)
14
KX-NT305X / KX-NT305X-B
DG
D3.3V
D3.3V
DG
DG
DG
X1
9.830MHz
1
2
3
DG
DG
R2
33k
Z0.1
C3
R1
1M
Z0.1
C1
RA1
1k
1
2
3
4
5
RA2
1k
1
2
3
4
6
RA3
1k
1
2
3
4
7 8 5 6 7 8 5 6 7 8
D3.3V
DG
C5
6.3V/100
R3
33k
C2
Z0.01
R4100
DG
DG
DG
DG
2 VDD
CN1
3 VDD
1 VDD
5 GND
4 GND
4 GND
6 OP_DET
7 RESET_OUT
8 TXD
9 RXD_OPT
9 RXD_OPT
10 SCLK_OPT
11 RX_RDY
11 RX_RDY
12 GND
DG
DG
IC1
1
X1
2
X2
3
VSS
4
OSC2
5
OSC1
6
TEST
7
VCC
8
RES
9
P20
10
SCK1
11
SI1
12
SO1
13
SCK3
14
RXD
15
TXD
16
P27
17
P17
18
IRQ2
19
IRQ1
20
P14
21
P13
22
P12
23
P11
24
P10
25
PA3
26
PA2
27
PA1
28
P5
0
29
P51
30
P52
31
P53
32
P54
33 P55
34 P56
35 P57
36 P60
37 P61
38 P62
39 P63
40 P64
41 P65
42 P66
43 P67
44 P70
45 P71
46 P72
47 P73
48 P74
49
P75
50
P76
51
P77
52
P80
53
P81
54
P82
55
P83
56
P84
57
P85
58
P86
59
P87
60
TONED
61
VTref
62
AN7
63
AN6
64
CVCC
C6
220p
DG
C7
470p
470p
C8
Z0.01
C4
470p
R25 100
R26 100
R27 100
K[10]
K[9]
K[8]
K[7]
K[6]
L[1]
L[2]
L[3]
L[4]
L[5]
L[7]
L[8]
L[9]
L[10]
L[20]
L[19]
L[18]
L[17]
L[16]
L[15]
L[14]
L[13]
L[12]
L[11]
L[6]
C1-1
C1-2
C2-1
C2-2
C3-1
C3-2
C4-1
C4-2
C5-1
C5-2
C6-1
C6-2
C6-1
C6-2
C5-1
C5-2
C4-1
C4-2
C3-1
C3-2
C2-1
C2-2
C1-1
C1-2
K[3]
K[5]
K[2]
K[1]
K[4]
(1)
(9)
(2)
(11)
(10)
(12)
(14)
(13)
(15)
(17)
(16)
(18)
(20)
(19)
(21)
KX-NT305X / KX-NT305X-B : MAIN BOARD (3/3)
(2)
(1)
15
KX-NT305X / KX-NT305X-B
8.2.
Waveform
16
KX-NT305X / KX-NT305X-B
9 Printed Circuit Board
9.1.
Component View
C5
X1
IC1
1
CN1
2
11
12
Q8
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R17
C1
C6
R4
R27
R26
R25
R2
C3
C7
C8
C4
R18
R15
R16
R23
R24
R21
R22
R20 R19
D3.3V
PbF
PSUP1639Z
A
DG
Q7
Q6
Q14
Q15
RA1
RA2
RA3
C2
R1
R3
Q16
Q11
Q12
Q13
Q9
Q10
Q5
Q4
Q3
Q2
Q1
KX-NT305X/KX-NT305X-B COMPONENT VIEW
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