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4
+3.3V
A
3:1F
L356
15BD471
AFERST
3:4E
L352
15BD471
BTXD
3:4E
L353
15BD471
BRXD
3:1E
L350
15BD471
ATXD
3:1E
L351
15BD471
ARXD
3:1F
L348
15BD471
ABITCLK
3:4E
L355
15BD471
BBITCLK
3:1F
L349
15BD471
ASPCLK
3:4E
L354
15BD471
BSPCLK
1
3
3:1E;3:4D
AFECLK
2
L357
B
TCK
TRSTN
TMS
TDI
+3.3V
C
TDO
IC300
B2
VSS_1
P11
VSS_2
P12
VSS_3
P13
VSS_4
P14
VSS_5
P15
VSS_6
P16
VSS_7
R11
VSS_8
R12
VSS_9
D
R13
VSS_10
R14
VSS_11
R15
VSS_12
R16
VSS_13
T11
VSS_14
T12
VSS_15
T13
VSS_16
T14
VSS_17
T15
VSS_18
T16
VSS_19
AD24
VSS_20
AE25
VSS_21
AB23
VSS_22
AC23
VSS_23
Y4
VSS_24
Y1
VSS_25
L11
VSS_26
L12
VSS_27
L13
VSS_28
L14
VSS_29
L15
VSS_30
L16
VSS_31
M11
VSS_32
M12
VSS_33
M13
VSS_34
E
M14
VSS_35
M15
VSS_36
M16
VSS_37
N11
VSS_38
N12
VSS_39
N13
VSS_40
N14
VSS_41
N15
VSS_42
N16
VSS_43
AC4
VSS_44
AC5
VSS_45
AD3
VSS_46
AE2
VSS_47
C3
VSS_48
C24
VSS_49
B25
VSS_50
K1
VSS_51
K3
VSS_52
D23
VSS_53
D4
VSS_54
F
D5
VSS_55
E4
VSS_56
IC300
Y23
CCDSH C6
AFESEL0
Y24
NCCDRS B6
AFESEL1
Y26
NCCDCP A5
DP
AA24
CCDCLK A6
AFERST
AA25
AFEVSMP B5
RING
AB24
AFERSMP B4
BTXD
AB25
AFEMCLK A4
BRXD
AC24
AFEADC0 B1
ATXD
AD26
AFEADC1 C2
ARXD
AE26
AFEADC2 D3
ABITCLK
AC25
AFEADC3 C1
BBITCLK
AD25
AFEADC4 D2
ASPCLK
AC26
AFEADC5 D1
BSPCLK
AB26
AFEADC6 E3
AFECLK
Y25
AFEADC7 E2
EXMDMCS
AA26
AFESIFCLK F3
EXTINT
AFESIFEN G4
10k
R342
AF5
AFESIFDIN G3
COL
10k
R341
AD6
AFESIFDOUT H4
CRS
10k
R340
AE6
OEB C5
TX_CLKI
AF6
NCCDON A3
TX_EN
AC7
LEDONR C4
TXD0
AD7
LEDONG B3
TXD1
AE7
LEDONB A2
TXD2
AF7
TXD3
AC8
USBVBUS AF11
TX_ER
USBID AE12
10k
R348
AE8
USBDM AE13
RX_CLKI
10k
R347
AD8
USBDP AF13
RX_DV
10k
R346
AF8
USBREXT AC12
RXD0
10k
R345
AC9
USBVDDA33_BIAS AF12
RXD1
10k
R344
AD9
USBVDDA12_SQ AD14
RXD2
10k
R343
AE9
+3.3V
USBVDDA12PLL AE15
RXD3
10k
R394
AD10
USBVDDA33 AF14
RX_ER
USBVDDA12 AE16
R335 4.7k
AF9
USBVSSA33_BIAS AD12
MDIO
AE10
USBVSSA12_SQ AE14
MDC
R303
4.7k
AF10
USBVSSA12PLL AF15
MGTINT
USBVSSA33 AD13
AF18
USBVSSA12 AD15
LSI_TCK
AD16
LSI_TRSTN
12MHz
AF17
USBXIN AC15
LSI_TMS
AE17
USBXOUT AF16
LSI_TDI
AC16
LSI_SCAN_ENABLE
AC19
LSI_TN
AF19
LSI_CW_TAP
AE18
NBATRST AD4
LSI_PROCMON
AD17
RTCPWRDWN AE5
LSI_TDO
AE19
LSI_IDDT
+1.2V
C328 0.22u
VDD2_1 F4
C329 0.22u
VDD2_2 E23
VDD2_3 D6
VDD2_4 D10
VDD2_5 D14
VDD2_6 P23
VDD2_7 K23
VDD2_8 AA23
VDD2_9 AB4
VDD2_10 AC22
VDD2_11 AC17
VDD2_12 AC13
VDD2_13 N4
VDD2_14 D22
VDD2_15 U4
VDD2_16 AC6
VDD2RTC AD5
+3.3V
K0.1u
C357
VDDIO33_1 K4
K0.1u
C358
VDDIO33_2 D13
K0.1u
C359
VDDIO33_3 D17
K0.1u
C360
VDDIO33_4 P4
K0.1u
C361
VDDIO33_5 U23
K0.1u
C362
VDDIO33_6 AC10
K0.1u
C363
VDDIO33_7 N23
K0.1u
C364
VDDIO33_8 AC14
VDDIO33OSC AF3
NC1 D24
NC2 AE11
NC3 AD23
C315 J12p
23.8MHz
DOTCLKIN C26
17.328MHz
R375
C316 D10p
DOTCLKOUT D25
220
C313
J33p
MDMCLKIN AF24
24.576MHz
R374
C314 J22p
MDMCLKOUT AE23
470
C317 J27p
24.576MHz
RTCCLKIN AF4
32.768KHz
RTCCLKOUT AE4
C318 J12p
32.768kHz
1
PLL24VDD C25
K0.22u
C304
PLL240VSS B26
1
PLL393VDD AE24
K0.22u
C305
PLL393VSS AF25
PLL266VDD2 AF2
1
PLL266VSS2 AE3
K0.22u
C306
KX-MB1520FX7/KX-MB1520FX8/KX-MB1520FXW/KX-MB1530FX7/KX-MB1530FXW
5
15BD102
L360
2:5E
CCDSH
0
L361
2:5E
CCDCLK
220
L363
2:5D
AFEVSMP
15AG601
L362
2:4D
RESOLUTION
15BB121
L364
2:5D
AFEMCLK
R386
220
2:5E
AFEADC[0-3]
AFEADC[0]
33
L365
AFEADC[1]
33
L366
AFEADC[2]
33
L367
AFEADC[3]
33
L368
220
L369
2:5D
AFESIFCLK
220
L370
2:5D
AFESIFEN
220
L371
2:5D
AFESIFDOUT
2:4D
NCCDON
2:5E
LEDONR
2:5E
LEDONG
2:5E
LEDONB
+3.3V
+1.2V
R339
22k
R336
6.8(1608)
R337
6.8(1608)
R376
F6.98k
R385
1
C308
K0.22u
C310
J22p
R384
C311
100
J22p
2:3B;2F;7B
XSYSRST
+1.2V/BATT
+3.3V/BATT
R388
180k
IC303
+3.3V
4
1
VSS
NC
C322
3
VIN
2
VOUT
K1u
2:2D
BATTERY
+1.2V
R380
R381
R382
KX-MB1530FX MAIN BOARD (No.1) (2/3)
269
6
2/3
1
-2
CN300
7
8
1
2
3
L300
4
2
3
5
6
1
4
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Troubleshooting
