Read Panasonic KX-NS520RU / KX-NS520UC / KX-NS500RU / KX-NS500UC (serv.man2) Service Manual Supplement online
11
KX-NS500/520 Series
Changed from Original Service Manual as section 12.1.
1.2.
2.1. Mother Board (KX-NS520)
1.2.1.
No.1
KX-NS520 Series MOTHER BOARD No.1
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
C
E
B
A
D
F
3
6
4
2
5
8
7
A
B
C
D
E
F
11
10
9
G
H
G
H
12
L_D[0]
L_D[1]
L_D[2]
L_D[3]
L_D[4]
L_D[5]
L_D[6]
L_D[7]
L_A[0]
L_A[1]
L_A[2]
L_A[3]
VOUT[0]
VOUT[0]
SHNT[0]
SHNT[0]
REVDET[0]
REVDET[1]
BELL[0]
BELL[1]
BELL[0]
BELL[1]
BELL[1]
REVDET[0]
REVDET[1]
REVDET[1]
VIN[1]
VIN[0]
SHUNT[1]
SHUNT[1]
VOUT[1]
VOUT[1]
DP[1]
DP[0]
BELL[0]
BELL[1]
REVDET[0]
REVDET[1]
DP[0]
DP[1]
COA_CIDN
COA_CIDP
COB_CIDN
COB_CIDP
VH1
*C105A
0.47u
16
NC
SFGA
DG
VH1
*RL101A
NC
12
3
4
*C112A
0.1u
50
NC
*TH100A
NC
*D101A
NC
DG
*D109A
NC
1
3
2
*R106A
1.2k
NC
*C102A
220p
1000
NC
*C103A
0.47u
16
NC
PF_RA
*R103A
22
NC
R101A
NC
RL100A
NC
1
23
4
PF_TA
*R117A
680
NC
ZNR100A
NC
*D103A
NC
DG
*R110A
680
NC
*R116A
8.2k
NC
R102A
68k
@NC
DG
R109A
68k
@NC
DG
+3.3V_1
*R115A
100
NC
+3.3V_1
+3.3V_1
+3.3V_1
+3.3V_1
+3.3V_1
*SA100A
NC
1
3
2
*D110A
NC
*Q100A
NC
*R113A
15k
NC
*PC100A
NC
1
2
3
4
*PC101A
NC
1
2
3
4
*PC103A
NC
1
2
3
4
*D104A
NC
1
3
4
2
*T100A
NC
3
16
4
5
VH1
*IC100A
NC
5
6
7
*IC100A
NC
3
2
1
*IC100A
NC
4
VEE
8
VCC
*IC102A
NC
3
2
1
*IC102A
NC
5
6
7
*IC102A
NC
4
VEE
8
VCC
VH2
VH1
*R128A
220k
NC
*C114A
1u
16
NC
*R129A
220k
NC DG
+15V
+15V
*C115A
0.1u
25
NC
DG
+15V
DG
*AL2A
NC
SFGA
FG
*C105B
0.47u
16
NC
+3.3V_1
*R116B
8.2k
NC
*R115B
100
NC
*R117B
680
NC
PF_TB
*D110B
NC
*D109B
NC
1
3
2
SFGA
*R106B
1.2k
NC
PF_RB
*C112B
0.1u
50
NC
*R113B
15k
NC
*RL101B
NC
12
3
4
+3.3V_1
*D104B
NC
1
3
4
2
*PC103B
NC
1
2
3
4
+3.3V_1
RL100B
NC
1
23
4
*T100B
NC
3
16
4
5
*C103B
0.47u
16
NC
*C113B
0.1u
50
NC
DG
DG
R109B
68k
@NC
DG
*D103B
NC
*TH100B
NC
VH2
*PC101B
NC
1
2
3
4
DG
+3.3V_1
*PC100B
NC
1
2
3
4
VH2
*R103B
22
NC
DG
ZNR100B
NC
*R110B
680
NC
*SA100B
NC
1
3
2
DG
*Q100B
NC
R102B
68k
@NC
+3.3V_1
*C102B
220p
1000
NC
*IC100B
NC
4
VEE
8
VCC
+15V
R101B
NC
*D101B
NC
+3.3V_1
+3.3V_1
nRST_CO
R138A
33
NC
*R153A
33
NC
R139A
33
NC
L_A[0-22]
LDHW[1]
HW_FH[1]
HW_CLK[1]
nCS_DSPG[0]
nWRITE
nREAD
DSPG_INT[0]
*R159A
33
NC
*R151A
33
NC
LUHW[1]
R152A
10k
NC
1
2
3
4
5
6
7
8
*R154A
0
NC
NC
*R155A
0
NC
NC
*R156A
0
NC
NC
*R157A
0
NC
NC
+3.3V_1
nACK_DSPG[0]
*R160A
33
NC
REVDET[0-5]
BELL[0-5]
L_D[0-7]
DP[0-5]
*C100A
1000p
250
NC
C117A
NC
DG
C118A
NC
*C101A
1000p
250
NC
*D112A
NC
1
3
2
*R130A
1M
NC
DG
*D111A
NC
1
3
2
DG
+3.3V_1
*R131A
1M
NC
+3.3V_1
DG
C116A
NC
*C100B
1000p
250
NC
C117B
NC
DG
C118B
NC
*C101B
1000p
250
NC
*D112B
NC
1
3
2
*R130B
1M
NC
DG
*D111B
NC
1
3
2
DG
+3.3V_1
*R131B
1M
NC
+3.3V_1
DG
C116B
NC
*C104B
0.47u
250
NC
*C104A
0.47u
250
NC
*C124A
0.1u
10
NC
DG
DG
DG
DG
+3.3V_1
*R158A
33
NC
*R161A
10k
NC
1
2
3
4
5
6
7
8
+3.3V_1
*R150A
10k
NC
+3.3V_1
*C126A
0.1u
10
NC
DG
FG
DG
MIPS1A
MIPS0A
MIPS2A
HSSPA
*C128A
0.1u
NC
DG
DG
*C108A
0.047u
16
NC
*C134A
10u
6.3
NC
*C136A
10u
6.3
NC
*C135A
10u
6.3
NC
DSPG_CLK1_2
J102
NC
J100
NC
*R127A
680
NC
*R119A
680
NC
*R120A
680
NC
*R123A
680
NC
*R121A
100k
NC
*R118A
100k
NC
*R125A
330k
NC
*R126A
56k
NC
*C120A
0.047u
16
NC
*C121A
NC
*R132A
680
NC
*R133A
680
NC
*C113A
0.1u
50
NC
*R118B
100k
NC
*R119B
680
NC
*IC100B
NC
3
2
1
*R121B
100k
NC
*C120B
NC
*R123B
680
NC
VH2
*R120B
680
NC
*C108B
NC
*C121B
NC
*R125B
330k
NC
*R127B
680
NC
*R132B
680
NC
*IC100B
NC
5
6
7
*R133B
680
NC
*R126B
56k
NC
FG
*R163A
0
NC
C127A
0.1u
10
NC
C137A
10u
6.3
NC
DG
*R165A
NC
330k
DG
*R166A
NC
330k
DG
*R169A
NC
330k
DG
*R170A
NC
330k
DG
*R170B
NC
*R165B
NC
DG
*R169B
NC
DG
*R166B
NC
DG
DG
CN100A
NC
1
GND
2
TDO
3
TDI
4
TMS
5
TCK
6
+3.3V
*C129A
0.01u
16
NC
*C130A
0.01u
16
NC
*C131A
0.01u
16
NC
*C132A
0.01u
16
NC
*C133A
0.01u
16
NC
*C110A
56p
50
NC
*C109A
56p
50
NC
*C110B
56p
50
NC
*C109B
56p
50
NC
*R124A
100k
*R122A
100k
NC
*R124B
100k
NC
*R122B
100k
NC
+3.3V_1
*R171A
1k
NC
+3.3V_1
*R171B
1k
NC
*C123A
0.01u
NC
*C111A
22p
50
NC
*C111B
22p
50
NC
*C138A
100p
50
NC
*C139A
100p
50
NC
C140A
NC
C141A
NC
*C138B 100p
50
NC
*C139B
100p
50
NC
*J100A
0
@NC
*J100B
0
@NC
*L100A
NC
1
4
2
3
*L100B
NC
1
4
2
3
*C142A
1000p
50
NC
DG
DG
*C143A
1000p
50
NC
C131
1000p
C130
1000p
IC103A
NC
1
*CS
2
DO
6
CLK
7
*HOLD
3
*WP
8
VCC
4
GND
5
DI
R137A
33
NC
*C125A
0.1u
16
NC
+3.3V_1
+3.3V_1
DG
*R140A
NC
+3.3V_1
*C106A
10u
50
NC
*C106B
10u
50
NC
C145B
NC
C145A
NC
JK100A
8
7
6
5
4
3
2
1
FG2
J110
NC
C141
NC
*R167A
1000p
NC
50V
*R168A
1000p
NC
50V
*R167B
1000p
NC
50V
*R168B
1000p
NC
50V
*C146A
0
NC
*C147A
0
NC
*C146B
0
NC
*C147B
0
NC
C140
0
*IC101A
NC
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
61
61
62
62
63
63
64
64
77
77
78
78
79
79
80
80
81
81
82
82
83
83
84
84
85
85
86
86
87
87
88
88
89
89
90
90
91
91
92
92
93
93
94
94
95
95
96
96
97
97
98
98
99
99
100
100
101
101
102
102
103
103
104
104
105
105
106
106
107
107
108
108
109
109
110
110
111
111
112
112
113
113
114
114
115
115
116
116
117
117
118
118
119
119
120
120
121
121
122
122
123
123
124
124
125
125
126
126
127
127
128
128
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
65
65
66
66
67
67
68
68
69
69
70
70
71
71
72
72
73
73
74
74
75
75
76
76
*C107A
10u
50
NC
*C107B
10u
50
NC
L101
NC
FG4
J101
0
*R108B
22k
NC
*R108A
22k
NC
*R112A
39
NC
*R112B
39
NC
A
DSPG
B
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