Read Panasonic KX-NCP1280XJ Service Manual online
28
KX-NCP1280XJ
9.3.
No.3
(4)
(1)
(2)
(2)
(3)
(6)
(5)
(8)
(11)
(7)
(9)
(9)
(10)
(13)
(12)
(15)
(14)
(17)
(19)
(16)
(18)
(21)
(20)
(23)
(22)
(25)
(33)
(35)
(24)
(26)
(27)
(28)
(29)
(30)
(27)
(28)
(29)
(30)
(31)
(32)
(34)
(37)
(36)
(39)
(42)
(38)
(40)
(41)
(44)
(43)
(46)
(45)
(48)
(50)
(47)
(49)
(52)
(54)
(56)
(54)
(56)
(51)
(53)
(55)
(53)
(55)
(57)
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(61)
(62)
KX-NCP1280
XJ SCHEMATIC DIAGRAM No.3 (1/2)
+
-
+
-
D
F
E
C
B
A
H
G
4
5
6
3
2
1
40VB
40V_GB
C768A
40V_GA
40VA
D306A
1
2
3
R302A
1.8K
C304A
0.1u
R308A
100
D309A
1
2
C301A
33p
R305A
8.2K
R304A
8.2K
J301A
0
R309A
100
R303A
1.8K
D305A
1
2
3
C302A
33p
C305A
NC
SFG
SFG
X2
7.68MHz
SW301A
1
2
3
4
5
6
7
8
9
10
11
12
003:5G;004:7G
40V_G
D302A
1
2
D308A
1
2
3
D307A
1
2
3
J302A
0
40V
003:5G;004:7F
R305B
8.2K
40V
003:5D;004:7F
SFG
D305B
1
2
3
SW301B
1
2
3
4
5
6
7
8
9
10
11
12
C302B
33p
R302B
1.8K
R308B
100
J302B
0
D306B
1
2
3
R303B
1.8K
R309B
100
R304B
8.2K
D307B
1
2
3
D302B
MA110
1
2
C301B
33p
SFG
J301B
0
D308B
1
2
3
R311A
22
C768A
C768A
003:5C
003:5C
+15VIN
+15VIN
D309B
1
2
C305B
NC
SA301A
300V
SA302A
300V
SA303A
300V
SA304A
300V
SA301B
300V
SA302B
300V
SA303B
300V
SA304B
300V
DG
R325A
3.3 1/2W
R326A
1K
C309A
0.1u
R325B
3.3 1/2W
R326B
1K
C309B
0.1u
RX[0]
001:4G
RX[1]
001:4G
003:5D;004:7G
40V_G
C310A
33p
C311A
0.1u
C310B
33p
C311B
0.1u
TH305A
C312A
0.1u
TH305B
C312B
0.1u
Q301B
E
C
B
Q301A
E
C
B
TP543
TP518
TP574
TP521
TP519
TP540
TP523
TP538
TP573
TP575
TP597
TP544
TP526
TP532
TP579
TP517
TP563
TP576
TP541
TP566
TP539
TP564
TP515
TP513
TP512
TP525
TP537
TP545
TP547
TP528
TP533
TP516
TP565
TP542
TP522
TP530
TP578
TP527
TP529
TP520
TP536
TP535
TP546
TP534
TP524
TP531
FIL32A
1
2
3
TP511
TP510
TP509
TP508
TP506
TP507
TP505
TP504
TP514
DG
T301B
1
2
2
3
4
4
16
15
15
14
13
13
5
6
6
7
8
8
12
11
11
10
9
9
T301A
1
2
2
3
4
4
16
15
15
14
13
13
5
6
6
7
8
8
12
11
11
10
9
9
+3.3V
+3.3V
R310A
7.5
R301A
7.5
+3.3V
+3.3V
R310B
7.5
R301B
7.5
TP558
TP559
TP570
TP569
TP560
TP561
TP571
IC301A
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
DG
TP572
TP557
TP556
R328A
1K TP580
R329A
1K
TP554
TP562
TP577
R330A
1K TP581
+3.3V
TP550
TP549
DG
C313A
0.1u
C314A
0.1u
C315A
0.1u
C316A
0.1u
C317A
0.1u
TP604
TP587
TP588
TP589
TP589
DG
DG
TP590
TP591
TP592
TP593
TP594
TP595
TP595
IC301B
8 VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7 VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18 VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17 VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33 VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30 AUX0
31 AUX1
32 AUX2
5
RES
38
AMODE
4 TP
37 VSS37
54 VSS54
34 VSS34
27 C768
35 XTAL1
36 XTAL2
46 VDDA
48 SR2
47 SR1
45 VSSA
43 SX1
44 SX2
56 VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55 VSS55
57
MODE0
58
MODE1/EAW
59 ACL
28
SDS2
60 AUX7
61 AUX6
62
AUX5
63
AUX4
64 AUX3
TP582
TP584
TP585
TP586
TP585
TP586
TP583
R330B
1K
R329B
1K
R328B
1K
TP553
+3.3V
DG
C316B
0.1u
C313B
0.1u
C304B
0.1u
C314B
0.1u
C317B
0.1u
C315B
0.1u
DG
TP552
TP596
TP598
TP599
TP600
TP601
TP602
TP603
TP603
SA305A
NC
SA306A
NC
SA305B
NC
SA306B
NC
R306A 120
2125
R306B 120
40GA
40VA
40GB
40VB
C7MA
C7MB
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
CN3AB
RJ45
1
2
3
Tx1
4
Rx2
5
Rx1
6
Tx2
7
8
CN3AB
RJ45
1
2
3
Tx1
4
Rx2
5
Rx1
6
Tx2
7
8
RL301A
1
12
RL301A
9
10
8
RL301A
4
3
5
RL301B
4
3
5
RL301B
9
10
8
RL301B
1
12
TH306A
NC
TH306B
NC
J303A
NC
J304A
NC
J303B
NC
J304B
NC
C306
20p
C307
22p
A
B
m
b
m
b
m
m
b
b
750mV
0V
-750mV
3.3V
0V
7.68MHz
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