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KX-MB283BR
4
A
4:2C
L359
DP
4:2E;4:2J
L356
AFERST
2G;4:2C
L358
RING
4:2I
L352
BTXD
4:2I
L353
BRXD
4:2D
L350
ATXD
4:2D
L351
ARXD
4:2D
L348
ABITCLK
4:2J
L355
BBITCLK
4:2D
L349
ASPCLK
4:2I
L354
BSPCLK
4:2D;4:2J
1
AFECLK
L357
4:2E
AINT
2:16H
COL
2:16H
CRS
2:16H
TX_CLKI
2:16H
TX_EN
B
2:16H
TXD[0-3]
2:16H
TX_ER
2:16I
RX_ER
2:16I
RX_CLKI
2:16I
RX_DV
RXD[0]
RXD[1]
RXD[2]
2:16J
+3.3V
RXD[3]
RXD[0-3]
R335
R303
2:16I
MDIO
2:16I
MDC
2:16G
MGINT
TCK
TRSTN
TMS
TDI
C
TDO
TP for ARM JTAG
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
R13
VSS_10
R14
VSS_11
D
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
M14
VSS_35
M15
VSS_36
E
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
D5
VSS_55
E4
VSS_56
F
5
+3.3V
IC300
Y23
AFESEL0
Y24
AFESEL1
NC
Y26
DP
NC
AA24
AFERST
NC
AA25
RING
NC
AB24
BTXD
AFERSMP
NC
AB25
BRXD
NC
AC24
ATXD
NC
AD26
ARXD
NC
AE26
ABITCLK
NC
AC25
BBITCLK
NC
AD25
ASPCLK
NC
AC26
BSPCLK
3
AB26
AFECLK
NC
Y25
EXMDMCS
2
AA26
EXTINT
AFESIFCLK
AFESIFEN
AF5
COL
AFESIFDIN
AD6
CRS
AFESIFDOUT
AE6
TX_CLKI
AF6
TX_EN
TXD[0]
AC7
TXD0
TXD[1]
AD7
TXD1
TXD[2]
AE7
TXD2
TXD[3]
AF7
TXD3
AC8
TX_ER
AE8
RX_CLKI
AD8
RX_DV
AF8
RXD0
AC9
RXD1
USBVDDA33_BIAS
AD9
RXD2
USBVDDA12_SQ
AE9
RXD3
USBVDDA12PLL
4.7k
AD10
RX_ER
USBVDDA33
4.7k
USBVDDA12
AF9
MDIO
USBVSSA33_BIAS
AE10
MDC
USBVSSA12_SQ
AF10
MGTINT
USBVSSA12PLL
USBVSSA33
AF18
LSI_TCK
USBVSSA12
AD16
LSI_TRSTN
12MHZ
AF17
LSI_TMS
AE17
LSI_TDI
USBXOUT
+3.3V
AC16
LSI_SCAN_ENABLE
AC19
LSI_TN
AF19
LSI_CW_TAP
AE18
LSI_PROCMON
AD17
LSI_TDO
RTCPWRDWN
AE19
LSI_IDDT
+1.2V
+3.3V
IC300
Z0.1u
C328
F4
VDD2_1
Z0.1u
C329
E23
VDD2_2
Z0.1u
C330
D6
VDD2_3
Z0.1u
C331
D10
VDD2_4
Z0.1u
C332
D14
VDD2_5
Z0.1u
C333
P23
VDD2_6
Z0.1u
C334
K23
VDD2_7
Z0.1u
C335
AA23
VDD2_8
Z0.1u
C336
AB4
VDD2_9
Z0.1u
C337
AC22
VDD2_10
Z0.1u
C338
AC17
VDD2_11
Z0.1u
C339
AC13
VDD2_12
Z0.1u
C352
N4
VDD2_13
Z0.1u
C353
D22
VDD2_14
Z0.1u
C354
U4
VDD2_15
Z0.1u
C355
AC6
VDD2_16
AD5
VDD2RTC
Z0.1u
C357
K4
VDDIO33_1
Z0.1u
C358
D13
VDDIO33_2
Z0.1u
C359
D17
VDDIO33_3
Z0.1u
C360
P4
VDDIO33_4
Z0.1u
C361
U23
VDDIO33_5
Z0.1u
C362
AC10
VDDIO33_6
Z0.1u
C363
N23
VDDIO33_7
Z0.1u
C364
AC14
VDDIO33_8
AF3
VDDIO33OSC
D24
NC1
AE11
NC2
AD23
NC3
C315
24.576MHZ
C26
DOTCLKIN
R375
C316
D25
DOTCLKOUT
( )
( )
NC
C313
AF24
MDMCLKIN
R374
C314 NC
AE23
MDMCLKOUT
NC
C317
AF4
RTCCLKIN
C318 NC
AE4
RTCCLKOUT
C25
PLL24VDD
K0.22u C304
B26
PLL240VSS
32.768KHZ
AE24
PLL393VDD
K0.22u C305
AF25
PLL393VSS
AF2
PLL266VDD2
K0.22u C306
AE3
PLL266VSS2
L360
0
3:6F
C6
CCDSH
15
L361
3:6E
B6
NCCDRS
A5
NCCDCP
A6
CCDCLK
L363
220
3:6I
B5
AFEVSMP
B4
220
L364
3:6I
A4
AFEMCLK
B1
AFEADC0
C2
AFEADC1
D3
3:6H
AFEADC2
C1
AFEADC3
AFEADC[0]
220
L365
D2
AFEADC4
AFEADC[1]
220
L366
D1
AFEADC5
AFEADC[2]
220
L367
E3
AFEADC6
AFEADC[3]
220
L368
E2
AFEADC7
220
L369
3:6H
F3
220
L370
3:6I
G4
G3
220
L371
3:6I
H4
C5
OEB
3:4J
A3
NCCDON
3:6G
C4
LEDONR
3:6G
B3
LEDONG
3:6F
A2
LEDONB
+1.2V
+3.3V
+1.2V
AF11
USBVBUS
AE12
USBID
AE13
USBDM
AF13
USBDP
R376
AC12
USBREXT
F6.98k
AF12
AD14
R385
AE15
AF14
1
AE16
AD12
AE14
C308
AF15
AD13
K0.22u
C310
AD15
J22p
AC15
USBXIN
R384
C311
AF16
100
J27p
AD4
NBATRST
3K;2:3I
AE5
XSYSRST
+1.2V/BATT
+1.2V
+3.3V
+3.3V/BATT
R388
IC303
+3.3V
VSS
4
1
NC
3
VIN
2
VOUT
NC
C323
NC
0
1
NC
0
2
0
+1.2V
1
R380
1
R381
1
R382
KX-MB283BR SCHEMATIC DIAGRAM (MAIN BOARD No.1) (2/3)
200
6
CCDSH
CCDCLK
AFEVSMP
AFEMCLK
AFEADC[0-3]
AFESIFCLK
AFESIFEN
AFESIFDOUT
NCCDON
LEDONR
LEDONG
LEDONB
1
2
3
4
R387
1M
C321
Z0.1u
NC
C322
NC
7
2/3
1
-2
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Troubleshooting
