KX-NS520RU, KX-NS520UC, KX-NS500RU, KX-NS500UC (serv.man2) - Panasonic PBX Service Manual Supplement (repair manual). Page 18

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18
KX-NS500/520 Series
2 Printed Circuit Board
Changed from Original Service Manual as section 13.1.
2.1.
Mother Board
2.1.1.
Component View
MOTHER BOARD Component View
30
31
60
1
30
31
60
1
1
4 1
8 0
4 0
10
1
3
1
46
1
3
4
6
1
3
4
6
1
3
4
6
1
3
4
6
1
3
4
6
1
3
8
7
2
1
8
2
17
8
2
1
7
16
1
6
1
6
E
E
E
E
8
2
1
7
E
E
8
2
1
7
8
2
1
7
8
2
1
7
8
2
1
7
4
6
1
3
S
S
S
S
8
2
1
7
S
S
S
S
S
S
S
S
S
S
S
S
2 . 0 A
2 . 0 A
E
E
E
E
E
E
1
E
E
46
31
16
1
46
31
16
1
46
31
16
1
46
31
16
1
46
31
16
1
46
31
16
1
46
31
16
1
46
31
16
1
64
65
102
103
1
128
38
39
65
64
3 9
3 8
1
128
103
102
38
39
128
1
103
102
65
64
R400
R401
R402
R302B
R403
R404
R405
C130A
R406
R407
C130C
R408
R409
ZNR300A
C130E
C111A
ZNR300B
C111B
C111C
C111D
R600
R322A
R601
C111E
R322B
C111F
R602
R603
R410
R604
R303A
R605
R303B
R412
R606
R413
R607
R608
R414
R415
R609
C131A
R416
R417
C131C
R418
C131E
R419
C112A
C306A
C112B
C306B
C112C
C112D
CN400
D110A
CN401
C112E
R323A
D110B
C112F
CN402
R612
R323B
D110C
R613
D110D
R614
R420
R304A
R110A
D110E
R421
R615
R304B
R110B
D110F
R616
R110C
R110D
R110E
C132A
R619
R110F
C132C
R427
R428
C307A
T300A
C132E
R429
C113A
T300B
C113B
C113C
C113D
R324A
R621
R130A
C113E
D111A
R324B
R622
R130B
C113F
D111B
R130C
D111C
R623
D111D
R130D
R430
R305A
R130E
D111E
R431
R305B
R432
R130F
D111F
R433
R434
R435
C133A
R436
R437
C133C
R438
C133E
R439
R150A
C308A
C114A
C114C
R150C
C400
AL2A
C114E
R131A
R150E
D112A
C401
R131B
D112B
C403
AL2C
R131C
D112C
D112D
R440
R131D
R112A
AL2E
R131E
D112E
R441
R306A
R112B
R131F
R442
D112F
R636
R306B
R637
R112C
R443
R112D
R444
R112E
R445
R170A
R112F
R446
R170B
R447
R170C
C600
R448
R170D
R449
R151A
C601
C115A
R170E
C602
R170F
C603
C115C
R151C
R640
C604
X400
R641
R132A
C115E
R151E
C605
R642
R132B
C606
R132C
C607
R643
R132D
R450
C608
R307A
R132E
R113A
R451
C609
R307B
R132F
R113B
R452
R113C
R453
R454
R113D
R113E
C135A
R455
R171A
R113F
R456
R171B
R457
C135C
R171C
R458
C610
R171D
C210A
C135E
R459
C116A
C611
R171E
C210B
C612
C116B
R171F
C210C
C116C
C613
C210D
C614
C116D
U301A
R133A
C210E
C615
C116E
U301B
R133B
C210F
C616
C116F
R133C
C210G
C617
R653
R133D
C210H
R460
R308A
R133E
C210I
R461
C619
R308B
R133F
C210J
R462
C210K
C210L
R464
C428
C210M
R465
C210N
R466
R467
C210O
R468
C210P
DL100
C621
C211A
C117A
R153A
C117B
C623
C211C
C117C
R153C
C117D
C430
U302A
C211E
C117E
R153E
U302B
C117F
C211G
C433
R470
R309A
R115A
C211I
C435
R471
R309B
R115B
C436
R472
R473
R115C
C211K
C437
R115D
C438
R474
R115E
C211M
C137A
C439
R115F
R476
C211O
C137C
R477
C630
C212A
R154A
C118A
C137E
C118B
C212C
C118C
R154C
C118D
C440
U303A
C212E
R154E
C118E
C441
U303B
C118F
C442
C212G
C443
R480
C212I
R210A
R116A
C445
R116B
C446
C212K
R210C
R116C
C447
R116D
C212M
R210E
R116E
C138A
C449
R485
R116F
C138B
R210G
C212O
C138C
R487
C138D
R488
R210I
C213A
R155A
C138E
R489
C213B
C138F
R210K
C213C
R155C
C213D
C450
C213E
R210M
R155E
C213F
C213G
R210O
C213H
R490
C213I
R117A
R211A
C456
C213J
R211B
R117B
R492
C457
R117C
C213K
R211C
R493
R117D
R211D
C213L
C458
R494
R211E
R117E
C213M
C139A
C459
C213N
R117F
R211F
C139B
R211G
C213O
C139C
R497
R211H
C213P
C139D
C214A
R211I
HSSPA
R156A
C139E
R499
R211J
C139F
C214C
R211K
R156C
HSSPC
D400
R211L
C460
D401
L200A
C214E
R211M
R156E
HSSPE
R137A
C461
L101
D402
L200B
R211N
C462
D403
R211O
L200C
C214G
R137C
L200D
R211P
R212A
L200E
C214I
R137E
R118A
L200F
R118B
C214K
L200G
R118C
C467
L200H
R118D
C468
C214M
L200I
R118E
C469
L200J
R118F
C214O
L200K
L200L
D600
L200M
C215A
D601
R157A
L200N
D602
L200O
C215C
R157C
L200P
C470
L201A
C215E
R157E
R138A
C471
L201B
C472
C215G
L201C
R138C
L201D
L201E
C215I
R213A
R138E
R119A
L201F
R119B
R213C
L201G
C215K
R119C
L201H
R119D
L201I
R213E
C215M
R119E
L501
L201J
R119F
L502
R213G
C215O
L201K
L503
L201L
L201M
C216A
R213I
R158A
L201N
C216B
R213K
L201O
C216C
R158C
C216D
L201P
R213M
C216E
R139A
IC401
C216F
IC402
IC403
R213O
C216G
R139C
C216H
R214A
C216I
R139E
C216J
R214C
C216K
M
6
1
2
C
L
6
1
2
C
R214E
C216N
R214G
C216O
C216P
IC600
R214I
R159A
IC601
IC602
R214K
R159C
R214M
R159E
R214O
R215A
E
5
1
2
R
C
5
1
2
R
I
5
1
2
R
G
5
1
2
R
R215K
R215M
R215O
R310A
R216A
CN100A
R310B
R216C
CN100C
R216E
CN100E
R216G
R216I
R216K
R216M
JK301
JK302
R330B
R216O
Q100A
MIPS0A
R311A
Q100B
R311B
Q100C
MIPS0C
Q100D
Q100E
MIPS0E
J601
Q100F
J602
J603
C120A
C120B
C120C
C120D
C120E
C120F
R331B
R500
R312A
MIPS1A
R501
R312B
MIPS1C
R503
R504
MIPS1E
C140A
R506
C140C
R507
C121A
C140E
C121B
C121C
C121D
R700
C121E
C102A
R701
C121F
C102B
R332B
R702
C102C
R703
C102D
CF600
R510
R313A
C102E
CF601
MIPS2A
R705
R511
R313B
C102F
R512
R706
MIPS2C
R513
R514
R708
MIPS2E
C141A
R515
R709
R516
R323
C141C
R324
R325
C141E
R132
R710
R135
IC100A
R136
IC100B
R333B
IC100C
R137
R713
IC100D
R520
R714
R314A
IC100E
R120A
R715
R521
R314B
IC100F
R120B
R716
R522
R120C
R523
R717
R120D
R718
RL100A
R101A
R120E
C142A
R719
R101B
RL100B
R120F
RL100C
R101C
C142C
RL100D
R101D
R101E
RL100E
C123A
C142E
RL100F
R101F
U300AB
C123C
R720
R140A
TH100A
C123E
IC101A
R721
TH100B
R722
R140C
TH100C
IC101C
R723
TH100D
R724
R140E
TH100E
IC101E
R121A
R531
R725
TH100F
R121B
R532
R726
R121C
R727
X100
R121D
R728
RL101A
R121E
C143A
R729
RL101B
R121F
RL101C
C143C
C308
RL101D
RL101E
R160A
C143E
RL101F
R160C
ZNR100A
R160E
C119
IC102A
ZNR100B
ZNR100C
IC102C
ZNR100D
ZNR100E
IC102E
R122A
ZNR100F
R122B
R122C
R543
R122D
C120
R544
R122E
R545
C122
R122F
R546
C125A
C125C
C106A
C125E
IC103A
C106B
C106C
IC103C
C106D
Q200A
C106E
D104A
IC103E
R123A
C106F
Q200B
D104B
R123B
D104C
Q200C
R123C
Q200D
D104D
R123D
C130
D104E
Q200E
R123E
C145A
C131
Q200F
D104F
R123F
C145B
Q200G
C145C
Q200H
C145D
Q200I
R162A
C126A
C145E
Q200J
C145F
Q200K
C126C
Q200L
C107A
C126E
Q200M
C107B
TP412
Q200N
C107C
Q200O
C107D
Q200P
C107E
R124A
R561
C107F
R124B
R562
R124C
R563
C140
R124D
R564
C146A
R124E
R565
C141
C146B
R124F
R566
C146C
R567
C146D
F600
R568
C146E
C127A
R163A
R569
F601
C146F
R163C
C127C
PC103A
C127E
R163E
C108A
PC103B
C108B
PC103C
C108C
PC103D
C108D
R570
R319A
D200A
PC103E
C108E
R125A
R571
R319B
D200B
PC103F
C108F
R572
R125B
D200C
R125C
R573
D200D
R125D
R574
C147A
D200E
R125E
R575
C147B
D200F
R125F
R576
C147C
D200G
C147D
D200H
C147E
D200I
C147F
D200J
D200K
D200L
C203A
D200M
C109A
IC200A
C109B
D200N
D200O
C203C
C109C
IC200C
C109D
D200P
D201A
C203E
C109E
R126A
IC200E
D201B
C109F
R126B
C203G
D201C
R126C
IC200G
D201D
R126D
RL200A
C203I
D201E
R126E
R585
IC200I
RL200B
D201F
R126F
R586
D201G
C203K
RL200C
R587
IC200K
D201H
RL200D
R588
D201I
C129A
R165A
C203M
IC200M
D201J
R165B
D201K
C129C
R165C
C203O
IC200O
D201L
R165D
D201M
C129E
R165E
D201N
R165F
D201O
D201P
D202A
R127A
R591
D202B
R127B
D202C
R127C
D303
Q400
D202D
R127D
R594
Q401
D202E
R202A
R127E
R595
Q402
R202B
D202F
R127F
R202C
D202G
Q403
D202H
R202D
R598
D202I
R202E
R166A
Q405
Q406
R202F
D202J
R166B
D202K
R202G
R166C
R202H
D202L
R166D
D202M
R202I
C205A
R166E
R202J
D202N
R166F
D202O
R202K
C205C
D202P
R202L
Q600
C205E
D203A
Q601
D109A
R128A
R202M
D203B
D109B
R222B
R202N
D203C
C205G
R128C
D109C
R202O
D203D
D109D
R222D
R202P
D203E
C205I
R128E
D109E
D203F
D109F
D203G
C205K
D203H
IC104
D203I
C205M
R167A
L401
D203J
R167B
L402
C205O
D203K
R167C
L403
D203L
R167D
D203M
C206A
R167E
C300A
D203N
R167F
C300B
C206C
D203O
D203P
Q300A
C206E
R129A
Q300B
R223B
C206G
R129C
L600
R223D
C206I
R129E
L601
C206K
C206M
R168A
R168B
C206O
R168C
R168D
C301A
R168E
C301B
R168F
R224B
R224D
R205A
R205B
R205C
R205D
IC700
R205E
R169A
R205F
R169B
R205G
R169C
R205H
R169D
C302A
R205I
R169E
C302B
R205J
R169F
R205K
J100
R205L
R205M
D300A
R225B
R205N
D300B
J102
R205O
R225D
R205P
R300A
R300B
SA100A
SA100B
SA100C
SA100D
IC300A
C303A
SA100E
C209A
C303B
SA100F
IC300B
C209C
J110
C209E
D301A
D301B
C209G
C209I
R301A
R301B
C209K
J100A
C209M
J100B
J100C
C209O
J100D
J100E
ZNR301A
C110A
J100F
ZNR301B
C110B
C110C
C110D
C110E
C110F
REF2
A
A
B
B
D
E
E
D
F
C
C
G
P N L B 2 2 6 2 W C - L V
DIP
NS3XX/5XX
NS7XX
NS3XX
NS5XX
NS7XX
NS3XX/5XX
NS7XX
NS7XX
NS7XX
NS7XX
NS3XX/5XX
NS7XX
F
G
NS3XX/5XX
NS7XX
H
H
J101
L602
L603
L604
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