Read Panasonic KX-NS520RU / KX-NS520UC / KX-NS500RU / KX-NS500UC (serv.man2) Service Manual Supplement online
ORDER NO. KMS1710938SE
Hybrid IP-PBX / Expansion Unit
Model No.
KX-NS500
KX-NS520 Series
KX-NS520 Series
Mother Board Unit Change
2
KX-NS500/520 Series
Please file and use this supplement manual together with the service manual.
KX-NS500
KX-NS520
When servicing, you must confirm which service manual should be referred by the following methods.
1
4 1
8 0
4 0
1
3
1
C111A
CN402
R612
R110A
R110B
R619
R636
R637
R132A
R643
R171A
R171B
C610
C611
R133A
C428
C430
C435
C436
C138A
R117A
C456
R117B
C457
L101
D602
R119A
J603
C120A
C121A
R120A
RL1
R101A
R101B
RL100B
TH100A
R121A
RL1
RL101B
R543
R544
R545
R546
R123A
C130
R124A
R561
R562
R563
R564
R565
R566
R567
R568
R569
PC1
C108A
PC103B
R570
R125A
R571
R572
R573
R574
R575
R576
R127A
R598
L601
J100
J110
J100A
C110A
P N L B 2 2 6 2 W C - L V
NS3XX/5XX
NS7XX
NS3XX/5XX
NS7XX
NS7X
J101
Refer to “PNLB2262WC”
Model No.
Suffix
Sup No.
Service Manual
Order No.
pp
g
KX-NS500BX
W
V
10
KMS1403027CE
Asia
KX-NS500AG
S
R
9
KMS1409096CE
Argentina
KX-NS500BR
W
V
10
KMS1403037CE
Brazil
KX-NS500LA
W
V
10
KMS1403038CE
Chile, Panama, Peru, Mexico
KX-NS500NE
W
V
10
KMS1403039CE
Europe
KX-NS500RU
R
Q
9
KMS1407076CE
Russian
KX-NS500SA
W
V
9
KMS1404055CE
South Africa
KX-NS500SU
W
V
10
KMS1403040CE
Saudi Arabia
KX-NS500UC
R
Q
9
KMS1407077CE
Kazakhstan, Ukrina
Destination
KX-NS500UE
X
W
10
KMS1403041CE
Kuwait, Nigeria, U.A.E
Model No.
Suffix
Sup No.
Service Manual
Order No.
pp
g
KX-NS520BX
U
T
10
KMS1403028CE
Asia
KX-NS520AG
Q
P
9
KMS1409097CE
Argentina
KX-NS520BR
U
T
10
KMS1403042CE
Brazil
KX-NS520LA
U
T
10
KMS1403043CE
Chile, Panama, Peru, Mexico
KX-NS520NE
U
T
10
KMS1403044CE
Europe
KX-NS520RU
N
M
9
KMS1407078CE
Russian
KX-NS520SA
T
S
9
KMS1404056CE
South Africa
KX-NS520SU
U
T
10
KMS1403045CE
Saudi Arabia
KX-NS520UC
N
M
9
KMS1407079CE
Kazakhstan, Ukrina
Destination
Compatibility
Parts
Set Production
KX-NS520UE
U
T
10
KMS1403046CE
Kuwait, Nigeria, U.A.E
Original
New
Early (before change)
Late (after change)
Single Parts
Original parts may be used in early production sets only. New parts may
be used in late production sets only. Stock both original and new parts.
be used in late production sets only. Stock both original and new parts.
Original
New
Early (before change)
Late (after change)
MOTHER Board Ass'y
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
Use original parts until exhausted, then stock new parts.
3
KX-NS500/520 Series
TABLE OF CONTENTS
PAGE
1 Schematic Diagram ------------------------------------------ --- 4
1.1. 2.1. Mother Board (KX-NS500) -------------------- --- 4
1.1.1. No.1 -------------------------------------------------- --- 4
1.1.2. No.2 -------------------------------------------------- --- 5
1.1.3. No.3 -------------------------------------------------- --- 6
1.1.4. No.4 -------------------------------------------------- --- 7
1.1.5. No.5 -------------------------------------------------- --- 8
1.1.6. No.6 -------------------------------------------------- --- 9
1.1.7. No.7 -------------------------------------------------- --10
1.1.2. No.2 -------------------------------------------------- --- 5
1.1.3. No.3 -------------------------------------------------- --- 6
1.1.4. No.4 -------------------------------------------------- --- 7
1.1.5. No.5 -------------------------------------------------- --- 8
1.1.6. No.6 -------------------------------------------------- --- 9
1.1.7. No.7 -------------------------------------------------- --10
1.2. 2.1. Mother Board (KX-NS520) -------------------- -- 11
1.2.1. No.1 -------------------------------------------------- -- 11
1.2.2. No.2 -------------------------------------------------- --12
1.2.3. No.3 -------------------------------------------------- --13
1.2.4. No.4 -------------------------------------------------- --14
1.2.5. No.5 -------------------------------------------------- --15
1.2.6. No.6 -------------------------------------------------- --16
1.2.7. No.7 -------------------------------------------------- --17
1.2.2. No.2 -------------------------------------------------- --12
1.2.3. No.3 -------------------------------------------------- --13
1.2.4. No.4 -------------------------------------------------- --14
1.2.5. No.5 -------------------------------------------------- --15
1.2.6. No.6 -------------------------------------------------- --16
1.2.7. No.7 -------------------------------------------------- --17
2 Printed Circuit Board---------------------------------------- --18
2.1. Mother Board ------------------------------------------- --18
2.1.1. Component View---------------------------------- --18
2.1.2. Bottom View---------------------------------------- --19
2.1.2. Bottom View---------------------------------------- --19
3 Exploded View and Replacement Parts List -------- --20
3.1. Mother Board Parts (PCB1) (KX-NS500)-------- --20
3.1.1. KX-NS500BX/LA/NE/RU/SU/UC/UE -------- --20
3.1.2. KX-NS500AG -------------------------------------- --31
3.1.3. KX-NS500BR -------------------------------------- --42
3.1.4. KX-NS500SA -------------------------------------- --53
3.1.2. KX-NS500AG -------------------------------------- --31
3.1.3. KX-NS500BR -------------------------------------- --42
3.1.4. KX-NS500SA -------------------------------------- --53
3.2. Mother Board Parts (PCB1) (KX-NS520)-------- --64
4
KX-NS500/520 Series
1 Schematic Diagram
Changed from Original Service Manual as section 12.1.
1.1.
2.1. Mother Board (KX-NS500)
1.1.1.
No.1
KX-NS500BX 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
EXB28V103JX
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
Note : Resistors, capacitors and other electrical components
part numbers, please refer to the Replacement Parts List.
