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KX-NS520RU, KX-NS520UC, KX-NS500RU, KX-NS500UC (serv.man2) - Panasonic PBX Service Manual Supplement (repair manual). Page 10

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10
KX-NS500/520 Series
1.1.7.
No.7
KX-NS500BX MOTHER BOARD No.7
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
nSLIC_INT[4]
nSLIC_INT[5]
nSLIC_INT[6]
nSLIC_INT[7]
nSLIC_INT[0]
nSLIC_INT[1]
nSLIC_INT[2]
nSLIC_INT[3]
nSLIC_CS[0]
nSLIC_CS[1]
nSLIC_CS[2]
nSLIC_CS[3]
nSLIC_CS[4]
nSLIC_CS[5]
nSLIC_CS[6]
nSLIC_CS[7]
LDHW[0]
HW_CLK[0]
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[1]
L_A[2]
L_A[3]
L_A[4]
L_A[5]
L_A[6]
L_A[7]
L_A[8]
L_A[9]
L_A[20]
L_A[21]
L_A[22]
CO_ID[0]
CO_ID[1]
CO_ID[2]
CO_ID[3]
CO_EID[0]
HW_FH[1]
L_A[0]
L_A[1]
L_A[2]
L_A[3]
L_A[4]
L_A[5]
L_A[6]
L_A[7]
L_A[8]
L_A[9]
L_A[10]
L_A[11]
L_A[20]
L_A[21]
L_A[22]
L_D[0]
L_D[1]
L_D[2]
L_D[3]
L_D[4]
L_D[5]
L_D[6]
L_D[7]
nPLD_INT[1]
nPLD_INT[1]
DHW0_IN
HW_FH0_IN
nINT_EXT_OP[0]
nINT_EXT_OP[1]
PR_SET
nCS_CO_OP[1]
L_D[0-7]
L_A[0-22]
BUF_EXT_D[0-7]
L_A[7]
L_A[6]
L_A[5]
L_A[4]
L_A[10]
L_A[8]
L_A[11]
L_A[9]
L_A[3]
L_A[2]
L_A[1]
L_A[0]
BUF_EXT_D[3]
BUF_EXT_D[2]
BUF_EXT_D[1]
BUF_EXT_D[0]
BUF_CO_D[4]
BUF_CO_D[5]
BUF_CO_D[6]
BUF_CO_D[7]
HW_FH1_IN
nINT_CO[1]
nINT_CO[1]
HW_CLK[2-6]
HW_CLK[2]
HW_CLK[3]
HW_CLK[4]
HW_CLK[5]
HW_CLK[6]
nHW_FH[2-6]
nHW_FH[2]
nHW_FH[3]
nHW_FH[4]
nHW_FH[5]
nHW_FH[6]
LDHW[2]
LDHW[3]
LDHW[4]
LUHW[2]
LUHW[3]
LUHW[4]
PT_TXA[0]
PT_TXA[1]
PT_RXA[0]
PT_RXA[1]
PT_RXB[0]
PT_RXB[1]
PT_TXB[0]
PT_TXB[1]
LDHW[2]
HW_CLK[2]
HW_CLK[3]
nHW_FH[2]
nHW_FH[3]
HW_CLK[6]
HW_CLK[5]
nHW_FH[4]
DHW1_IN
DHW1_IN
DHW1_IN
L_D[3]
L_D[2]
L_D[1]
L_D[0]
L_D[7]
L_D[6]
L_D[5]
L_D[4]
BUF_CO_D[0]
BUF_CO_D[1]
BUF_CO_D[2]
BUF_CO_D[3]
BUF_CO_D[4]
BUF_CO_D[5]
BUF_CO_D[6]
BUF_CO_D[7]
L_D[3]
L_D[2]
L_D[1]
L_D[0]
L_D[7]
L_D[6]
L_D[5]
L_D[4]
nEXT_PLD_WAIT
INT0
DC_ALM
RLY_RESET
RLY_RESET
CO_ID[1]
CO_ID[0]
CO_ID[2]
CO_ID[3]
CO_ID[0]
CO_ID[1]
CO_ID[2]
CO_ID[3]
CO_EID[0]
CO_EID[1]
CO_EID[2]
CO_EID[3]
nACK_DSPG[0]
nACK_DSPG[1]
nACK_DSPG[2]
nHALT
nHALT
RING_SYNC
L_A[0]
L_A[2]
L_A[4]
L_A[6]
L_A[1]
L_A[3]
L_A[5]
L_A[7]
L_A[8]
L_A[10]
L_A[20]
L_A[22]
L_A[9]
L_A[11]
L_A[21]
L_D[6]
L_D[4]
L_D[2]
L_D[0]
L_D[7]
L_D[5]
L_D[3]
L_D[1]
LUHW[2]
nREAD
nREAD
FAN_ALM
BUF_CO_D[0]
BUF_CO_D[1]
BUF_CO_D[2]
BUF_CO_D[3]
BUF_CO_D[4]
BUF_CO_D[5]
BUF_CO_D[6]
BUF_CO_D[7]
BUF_EXT_D[0]
BUF_EXT_D[1]
BUF_EXT_D[2]
BUF_EXT_D[3]
BUF_EXT_D[4]
BUF_EXT_D[5]
BUF_EXT_D[6]
BUF_EXT_D[7]
BUF_EXT_D[4]
BUF_EXT_D[5]
BUF_EXT_D[6]
BUF_EXT_D[7]
BUF_EXT_D[0]
BUF_EXT_D[1]
BUF_EXT_D[2]
BUF_EXT_D[3]
L_A[0]
L_A[1]
L_A[2]
L_A[3]
BUF_CO_D[3]
BUF_CO_D[2]
BUF_CO_D[1]
BUF_CO_D[0]
LDHW[4]
LDHW[3]
nHW_FH[5]
HW_CLK[4]
nHW_FH[6]
LUHW[3]
LUHW[4]
BUF_EXT_D[4]
BUF_EXT_D[5]
BUF_EXT_D[6]
BUF_EXT_D[7]
L_A[7]
L_A[6]
L_A[5]
L_A[4]
L_A[9]
L_A[8]
L_A[10]
HW_CLK[2]
HW_CLK[3]
HW_CLK[4]
HW_CLK[5]
HW_CLK[6]
nCS_CO_OP[0]
nCS_EXT_OP[0]
nCS_EXT_OP[1]
nCS_EXT_OP[1]
nRST_CO
CO_EID[3]
CO_EID[2]
CO_EID[1]
CO_EID[0]
CO_EID[1]
CO_EID[2]
CO_EID[3]
nCS_BASE
nCS_BASE
nWRITE
nWRITE
nWRITE
nINT_BASE_CO
nCO_PLD_WAIT
nCO_PLD_WAIT
nCO_PLD_WAIT
nINT_CO[0]
nRST_EXT_OP[1]
nRST_EXT_OP[0]
nRST_CO_OP[1]
nRST_CO_OP[1]
nRST_CO_OP[0]
NETREF
L_A[0]
nACK_DSPG[0]
nACK_DSPG[1]
nACK_DSPG[2]
HW_CLK1_IN
HW_CLK1_IN
DG
D404
D401
R400
330
+3.3V
D400
1
2
3
+15V
R402
10k
*RL200C
NC
1
12
Q402
R404
270
R411
10k
DG
RL200B
1
12
Q405
R409
100k
+3.3V
RL200A
1
12
R401
10k
Q403
Q400
B
C
E
R410
2.7k
R405
10k
Q401
D402
DG
DG
D403
1
2
3
R408
330
R403
270
R406
10k
nSLIC_CS[0-7]
nSLIC_INT[0-7]
R494
33
R499
33
R504
33
R521
33
R515
33
R514
33
R513
33
R512
33
R477
33
R472
33
+3.3V
R471
4.7k
R523
10k
R522
10k
+3.3V
R516
33
R492
33
SLIC_CLK[1]
LDHW[0]
HW_FH[0]
HW_CLK[0]
SLIC_DOUT
R520
33
SLIC_DIN
SLIC_CLK[0]
R488
33
R486
33
R484
33
nCS_DSPG[0]
nCS_DSPG[1]
nCS_DSPG[2]
R493
33
DSPG_INT[0]
DSPG_INT[1]
DSPG_INT[2]
+3.3V
R490
33
+3.3V
R470
4.7k
R475
33
R476
33
R474
4.7k
FAN_ALM
R501
33
R508
33
R509
33
R485
33
HW_FH[1]
HW_CLK[1]
LDHW[1]
PT_CURA
PT_POWA
PT_POWB
PT_CURB
R560
10
R558
10
R557
10
R569
10
R570
10
R571
10
R572
10
R551
10
R552
10
R554
10
DG
R555
10
R463
10k
+3.3V
R462
10k
R568
10
R503
33
+3.3V
R454
10
R455
10
R456
10
R457
10
R458
10
R459
10
R431
10
R432
10
R433
10
R434
10
R435
10
R436
10
+3.3V
DG
+40V_OP
+3.3V_1
+15V
R445
10
R446
10
R447
10
R448
10
R449
10
R450
10
R451
10
NC
R452
10
R419
10
R418
10
R423
10
R426
10
R422
10
R424
10
R425
10
PT_TXA[0-1]
PT_RXA[0-1]
PT_RXB[0-1]
PT_TXB[0-1]
LUHW[0]
LUHW[1]
R489
33
nRST_SLIC
*B400
@NC
1
2
3
DG
DG
R412
10k
Q406
R413
330
IC402
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
19
*OE
IC402
10
GND
20
VCC
R466
10
1
2
3
45
6
7
8
R465
10
1
2
3
45
6
7
8
R468
10
1
2
3
45
6
7
8
IC403
10
GND
20
VCC
IC403
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
19
*OE
R467
10
1
2
3
45
6
7
8
nRST_CO
C403
0.1u
10
DG
+3.3V
+3.3V
C400
0.1u
10
DG
+15V
R567
10
1
2
3
45
6
7
8
R566
10
1
2
3
45
6
7
8
R565
10
1
2
3
45
6
7
8
R564
10
1
2
3
45
6
7
8
R563
10
1
2
3
45
6
7
8
R562
10
1
2
3
45
6
7
8
R561
10
1
2
3
45
6
7
8
R547
10
1
2
3
45
6
7
8
R548
10
1
2
3
45
6
7
8
R549
10
1
2
3
45
6
7
8
R550
10
1
2
3
45
6
7
8
R556
10
1
2
3
45
6
7
8
R559
10
1
2
3
45
6
7
8
AC_ALM
DC_ALM
R420
10
1
2
3
45
6
7
8
R440
10
1
2
3
45
6
7
8
R500
33
R533
10k
1
2
3
45
6
7
8
R469
10k
1
2
3
4
5
6
7
8
R480
33
1
2
3
4
5
6
7
8
R442
10
1
2
3
45
6
7
8
R444
10
1
2
3
45
6
7
8
R430
10
1
2
3
45
6
7
8
R437
10
1
2
3
45
6
7
8
+3.3V
DG
R529
NC
R532
NC
R531
NC
R530
NC
*R537
@NC
*R535
@NC
*R536
@NC
DG
*R534
NC
nACK_DSPG[0-2]
DG
DG
DG
R506
33
R507
33
R461
10
NC
R497
33
R460
10
R487
33
+3.3V
+3.3V
R573
10k
1
2
3
45
6
7
8
R574
10k
1
2
3
45
6
7
8
R543
10k
1
2
3
45
6
7
8
R544
10k
1
2
3
45
6
7
8
R545
10k
1
2
3
45
6
7
8
R546
10k
1
2
3
45
6
7
8
BAT
R542
10k
+3.3V
+3.3V
R575
10k
R576
10k
R464
2.2k
DG
DG
R415
2.2k
R414
10k
+3.3V
R417
10k
+3.3V
R416
10k
*RL200D
NC
1
12
L_D[0-7]
L_A[0-22]
nREAD
nWRITE
CN400
1
CN400
2
CN400
3
CN400
4
CN400
5
CN400
6
CN400
7
CN400
8
CN400
9
CN400
10
CN400
11
CN400
12
CN400
13
CN400
14
CN400
15
CN400
16
CN400
17
CN400
18
CN400
19
CN400
20
CN400
21
CN400
22
CN400
23
CN400
24
CN400
25
CN400
26
CN400
27
CN400
28
CN400
29
0
0
4
N
C
0
3
0
0
4
N
C3
1
CN400
32
CN400
33
CN400
34
CN400
35
CN400
36
CN400
37
CN400
38
CN400
39
CN400
40
CN400
41
CN400
42
CN400
43
CN400
44
CN400
45
CN400
46
CN400
47
CN400
48
CN400
49
CN400
50
CN400
51
CN400
52
CN400
53
CN400
54
CN400
55
CN400
56
CN400
57
CN400
58
CN400
59
CN400
60
CN401
1
CN401
2
CN401
3
CN401
4
CN401
5
CN401
6
CN401
7
CN401
8
CN401
9
CN401
10
CN401
11
CN401
12
CN401
13
CN401
14
CN401
15
CN401
16
CN401
17
CN401
18
CN401
19
CN401
20
CN401
21
CN401
22
CN401
23
CN401
24
CN401
25
CN401
26
CN401
27
CN401
28
CN401
29
1
0
4
N
C
0
3
1
0
4
N
C3
1
CN401
32
CN401
33
CN401
34
CN401
35
CN401
36
CN401
37
CN401
38
CN401
39
CN401
40
CN401
41
CN401
42
CN401
43
CN401
44
CN401
45
CN401
46
CN401
47
CN401
48
CN401
49
CN401
50
CN401
51
CN401
52
CN401
53
CN401
54
CN401
55
CN401
56
CN401
57
CN401
58
CN401
59
CN401
60
R580
10k
1
2
3
45
6
7
8
R581
10k
1
2
3
45
6
7
8
+3.3V
R583
10k
1
2
3
45
6
7
8
R582
10k
1
2
3
45
6
7
8
+3.3V
R421
10
1
2
3
4
5
6
7
8
R439
10
1
2
3
4
5
6
7
8
R438
10
R453
10
R427
10
1
2
3
4
5
6
7
8
R441
10
1
2
3
4
5
6
7
8
R429
10
1
2
3
4
5
6
7
8
R443
10
1
2
3
4
5
6
7
8
R428
10
DG
C426
NC
C427
NC
C428
NC
C429
NC
C430
NC
C431
NC
DG
C432
NC
DG
C433
NC
DG
DG
R585
2.2k
DG
R584
2.2k
R586
2.2k
DG
DG
R589
10k
NC
+3.3V
R588
10k
NC
+3.3V
R591
10k
NC
R592
10k
NC
R593
10k
NC
R594
10k
NC
+3.3V
+3.3V
+3.3V
R596
10k
NC
R595
10k
NC
R510
10k
R502
10k
R496
10k
R511
10k
C435
1u
25
DG
R587
2.2k
C401
1000p
25
NC
C436
10u
25
DG
DG
C438
10u
25
DG
C440
2.2u
50
C441
NC
DG
C442
1000p
25
DG
C443
1000p
25
DG
C444
1000p
25
DG
C445
1000p
25
DG
C446
10u
25
DG
C447
10u
25
DG
DG
C449
2.2u
50
C450
10u
25
DG
DG
*R598
1k
@NC
L401
L402
L403
L501
L502
L503
SLIC_DHW
SLIC_UHW
R712
10
NC
R711
10
LDHW[0]
LDHW[1]
R713
10
R714
10
NC
HW_FH[1]
SLIC_HW_FH
R715
10
R716
10
NC
HW_FH[0]
HW_CLK[1]
SLIC_HW_CLK
R718
10
NC
HW_CLK[0]
R719
10
NC
LUHW[0]
LDHW[0]
CN402
41
CN402
3
CN402
57
CN402
13
CN402
62
CN402
12
CN402
30
CN402
20
CN402
29
CN402
61
CN402
11
CN402
22
CN402
69
CN402
55
CN402
24
CN402
6
CN402
15
CN402
70
CN402
72
CN402
48
CN402
60
CN402
21
CN402
14
CN402
67
CN402
37
CN402
64
CN402
10
CN402
53
CN402
42
CN402
2
CN402
28
CN402
9
CN402
74
CN402
47
CN402
80
CN402
49
CN402
58
CN402
18
CN402
25
CN402
4
CN402
71
CN402
8
CN402
38
CN402
36
CN402
77
CN402
46
CN402
32
CN402
33
CN402
45
CN402
68
CN402
27
CN402
78
CN402
39
CN402
31
CN402
44
CN402
40
CN402
1
CN402
59
CN402
17
CN402
19
CN402
56
CN402
50
CN402
63
2
0
4
N
C
6
2
2
0
4
N
C
66
CN402
51
CN402
54
CN402
43
CN402
23
CN402
7
CN402
5
CN402
65
CN402
35
CN402
52
CN402
16
CN402
75
CN402
73
CN402
76
CN402
34
CN402
79
R473
10k
@NC
+3.3V
C457
180p
25
C456
2200p
50
R717
120
+3.3V
C470
0.1u
10
DG
+2.5VD
C471
0.1u
10
C477
0.1u
10
C475
0.1u
10
C472
0.1u
10
C467
0.1u
10
C476
0.1u
10
DG
C473
0.1u
10
C468
0.1u
10
C478
0.1u
10
DG
C474
0.1u
10
C469
0.1u
10
DG
DG
DG
R710
10
R700
1M
DG
+3.3V
R702
10k
NC
C466
0.1u
10
R709
0
+2.5VD
DG
C461 2.2u
6.3
C465
0.1u
10
C464
0.1u
10
IC700
1
ON/OFF
2
VSS
4
VIN
5
VOUT
3
SSC
C462 2.2u
6.3
DG
+3.3V
TP_+2.5VD
C463
0.1u
10
IC401
A5
NRD_I
A4
NWR_I
B2
HW4M2_I
K3
HW8K1_I
L4
HWDI1_I
K6
HWCK1_O
K7
HWFH1_O
K9
HWDO1_O
K8
NRST_DSP_O
E10
CARDEID3_I
B10
NCS_EXT1_O
D9
NCS_EXT2_O
A9
CARDID0_I
B9
CARDID1_I
A8
CARDID2_I
C8
CARDID3_I
C9
CARDEID0_I
D7
DIR_COT_O
B8
DIR_EXT_O
D6
NINT_EXT3_I
C6
NWAIT1_O
B5
NIRQ2_O
C4
NCS_DSP0_O
B4
NCS_DSP1_O
C3
NCS_DSP2_O
D5
NINT_EXT1_I
D3
NINT_EXT2_I
J5
LA22_I
G3
LA9_I
H3
LA8_I
F4
LA7_I
F2
LA6_I
E1
LA5_I
G2
LA4_I
F1
LA3_I
H2
LA2_I
G1
LA1_I
J2
LA0_I
H1
LD7_IO
K2
LD6_IO
J1
LD5_IO
L2
LD4_IO
M2
LD1_IO
L3
LD0_IO
K10
CARDEID1_I
F9
CARDEID2_I
D8
NINT_EXT4_I
C7
NINT_EXT5_I
B7
NINT_EXT0_I
C5
NCS_COT0_O
B6
NCS_PLD_I
F3
NCS_COT1_O
E2
NCS_COT2_O
E3
NCS1_I
G4
LA20_I
H4
LA21_I
K1
LD3_IO
L1
LD2_IO
IC401
M4
NIRQ_EX4_I
K4
RST_EX2_O
M5
RST_EX3_O
M6
CNT_DLC1_O
L6
CNT_DLC2_O
M7
CNT_DLC3_O
L7
CNT_RSYNC_O
M8
NRST_SLIC_O
L8
SCLK0_O
M9
S_CS0_O
L9
NIRQ_SL0_I
L10
NHALT_O
M10
S_CS1_O
J11
SDI_I
H10
SDO_O
H11
HWCK2_O
G10
HWFH2_O
H12
HWDO2_O
F10
SCLK1_O
F12
S_CS4_O
G9
NIRQ_SL4_I
E12
S_CS5_O
F11
NIRQ_SL5_I
D12
S_CS6_O
E11
NIRQ_SL6_I
C12
S_CS7_O
D11
NIRQ_SL7_I
C11
NIRQ_EX1_I
A7
FAN_STT_I
A6
NWAIT_EX_I
C2
HWDI2_I
D2
NIRQ_EX0_I
M11
NIRQ_SL1_I
J12
S_CS2_O
L12
NIRQ_SL2_I
L11
S_CS3_O
J10
NIRQ_SL3_I
B11
NIRQ_EX2_I
B12
RST_EX0_O
D10
RST_EX1_O
C10
CNT_PF0_O
A11
CNT_PF1_O
B3
NWAIT2_O
A3
NIRQ0_O
A2
NIRQ1_O
J3
HW4M1_I
B1
HW8K2_I
K5
NIRQ_EX3_I
L5
CNT_DLC0_O
IC401
G11
XO
G12
XI
D1
NRESET_I
M1
TEST1_I
M12
TEST2_I
A1
TEST0_I
IC401
G6
GND2
E6
GND1
G8
GND4
G7
GND3
F7
GND6
F6
GND5
F8
GND7
H7
GND9
H6
GND8
E7
GND10
A10
VDDIO1
C1
VDDIO2
K11
VDDIO3
K12
VDDIO4
M3
VDDIO5
E4
VDDCORE1
D4
VDDCORE2
E9
VDDCORE3
J4
VDDCORE4
J9
VDDCORE5
R701
1k
X400
24M
@NC
1
2
4
3
R720
10
R721
10
R722
10
R723
10
R724
10
R725
10
C458 10p 50
C459 10p 50
*R727
10k
N
C
*R728
10k
N
C
*R726
10k
N
C
DG
C460
0.1u
10
@NC
R729
0
R553
1k
R706
0
R705
10k
R707
0
R704
10k
R708
0
R703
10k
DG
+3.3V
C439
10u
6.3
C448
10u
6.3
C455
10u
6.3
C437
10u
6.3
R407
2.2k
NC
DG
(CO)
(EXT)
NS500/520:0x0001
NS300/320:0x0010
NS700/720:0x0011
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
A[4]
A[5]
A[6]
A[7]
A[3]
A[2]
A[1]
A[0]
LDHW[2]
HW_CLK[2]
nHW_FH[2]
LUHW[2]
HW_CLK[3]
nHW_FH[3]
A[7]
A[6]
A[5]
A[4]
A[10]
A[8]
A[0]
A[1]
A[2]
A[3]
A[9]
D[0]
D[7]
D[1]
D[6]
D[2]
D[5]
D[3]
D[4]
A[9]
A[8]
A[10]
A[11]
nRST[1]
nINT[1]
nRST[0]
nINT[0]
nCS[1]
nREAD
nCS[0]
nWRITE
nWAIT
nHALT
RING_SYNC
nCS[1]
nCS[0]
nREAD
nWRITE
nWAIT
nRST[0]
nRST[1]
nINT[0]
nINT[1]
NETREF
HW_CLK[5]
HW_CLK[6]
nHW_FH[6]
nHW_FH[4]
LDHW[4]
LDHW[3]
HW_CLK[4]
nHW_FH[5]
LUHW[4]
LUHW[3]
+15V
+15V
DG
PT_RXB0
LUHW0
+3.3VB
nRD
nRESET
nWAIT
N.C.
N.C.
DG
PT_RXA0
PT_RXB1
P
T_RXA1
PT_TXB0
PT_TXA0
PT_TXB1
PT_TXA1
DG
DG
LDHW0
LUHW1
LUHW2
LUHW3
LUHW4
LDHW1
LDHW2
LDHW3
LDHW4
nHW_FH1
nHW_FH0
nHW_FH3
nHW_FH2
nHW_FH5
nHW_FH4
nHW_FH6
HW_CLK0
HW_CLK2
HW_CLK1
HW_CLK4
HW_CLK3
HW_CLK5
HW_CLK6
NETREF
DG
DG
nAC_ALM
nDC_ALM
nWR
nCS
DG
DG
INT0
INT1
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[20]
A[21]
A[22]
DG
DG
1
1
1
1
1
1
1
(NC=no mount,@NC=mount)
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