Panasonic KX-MB262CX Service Manual page 92

4
+3.3V
k k k k k
0 0 0 0 0
1 1 1 1 1
5 6 5 1 2
A
1 1 0 5 5
3 3 3 3 3
R R R R R
4:1B L359 ( ) NC
DP
4:1C;4:1E L356 ( ) NC
AFERST
1D;4:1B L358 ( ) NC
RING
4:1E L352 ( ) NC
BTXD
4:1E L353 ( ) NC
BRXD
4:1B L350 ( ) NC
ATXD
4:1B L351 ( ) NC
ARXD
4:1B L348 ( ) NC
ABITCLK
4:1E L355 ( ) NC
BBITCLK
4:1B L349 ( ) NC
ASPCLK
4:1E L354 ( ) NC
BSPCLK
4:1B;4:1E 1 3
AFECLK
4:1C L357 2 NC
AINT
2:8D
COL
2:8D
CRS
2:8D
TX_CLKI
1 k
0
2:8D 4
TX_EN 3 1
8 0 2
TXD[0]
R
) k k
9 4 4
C
0 0
3 3 3
( TXD[1]
N 1 1
B
C R R
TXD[2]
2:8D
TXD[3]
TXD[0-3]
2:8D
TX_ER
2:8E
RX_ER
2:8E
RX_CLKI
2:8E
RX_DV
RXD[0]
RXD[1]
+3.3V
RXD[2]
3 4 5 6
2:8E RXD[3]
4 4 4 4
RXD[0-3] 3 3 3 3
R335 4.7k
R R R R
R303 4.7k
k k k k
0 0 0 0
2:8E
1 1 1 1
MDIO
2:8E
MDC
2:8D
MGINT
TCK
TRSTN
TMS
TDI
+3.3V
2
k
7
0
3
1
C
R
TDO
TP for ARM JTAG
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
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 VDDIO33OSC
L13
VSS_28
L14
VSS_29
L15
VSS_30
L16
VSS_31
M11
VSS_32
M12
VSS_33
M13
24.576MHZ
VSS_34
M14
VSS_35
M15
VSS_36 DOTCLKOUT
E
M16
VSS_37
N11
VSS_38
N12
VSS_39
N13
VSS_40 MDMCLKOUT
N14
VSS_41
N15
VSS_42
N16
VSS_43
AC4
VSS_44 RTCCLKOUT
AC5
VSS_45
AD3
VSS_46
AE2
VSS_47
C3
VSS_48
C24
32.768KHZ
VSS_49
B25
VSS_50
K1
VSS_51
K3
VSS_52
D23
VSS_53 PLL266VDD2
D4
VSS_54 PLL266VSS2
D5
VSS_55
E4
VSS_56
F
5
k k k k k
0 0 0 0 0
1 1 1 1 1
3 0 4 9 5
5 5 5 4 5
3 3 3 3 3
IC300 1
R R R R R
Y23 AFESEL0 C6
CCDSH
B6
Y24 AFESEL1
NCCDRS
A5
Y26 DP
NCCDCP
AA24 AFERST A6
CCDCLK
B5
AA25 RING
AFEVSMP
AB24 BTXD B4
AFERSMP
AB25 BRXD A4
AFEMCLK
B1
AC24 ATXD
AFEADC0
AD26 ARXD C2
AFEADC1
AE26 ABITCLK D3
AFEADC2
C1
AC25 BBITCLK
AFEADC3
AD25 ASPCLK D2
AFEADC4
AC26 BSPCLK D1
AFEADC5
E3
AB26 AFECLK
AFEADC6
Y25 EXMDMCS E2
AFEADC7
AA26 EXTINT F3
AFESIFCLK
G4
AFESIFEN
AF5 COL G3
AFESIFDIN
AD6 CRS H4
AFESIFDOUT
C5
AE6 TX_CLKI
OEB
AF6 TX_EN A3
NCCDON
AC7 TXD0 C4
LEDONR
B3
AD7 TXD1
LEDONG
AE7 TXD2 A2
LEDONB
AF7 TXD3
AF11
AC8 TX_ER
USBVBUS
AE12
USBID
AE8 RX_CLKI AE13
USBDM
AD8 RX_DV AF13
USBDP
AF8 RXD0 AC12
USBREXT
AC9 RXD1 AF12
USBVDDA33_BIAS
AD9 RXD2 AD14
USBVDDA12_SQ
7 8
4 4 AE9 RXD3 AE15
3 3 USBVDDA12PLL
R R AD10 RX_ER AF14
USBVDDA33
AE16
USBVDDA12
k k
0 0
AF9 MDIO AD12
1 1
USBVSSA33_BIAS
AE10 MDC AE14
USBVSSA12_SQ
AF10 MGTINT AF15
USBVSSA12PLL
AD13
USBVSSA33
AF18 LSI_TCK AD15
USBVSSA12
AD16 LSI_TRSTN
12MHZ
AF17 LSI_TMS AC15
USBXIN
AE17 LSI_TDI AF16
USBXOUT
AC16 LSI_SCAN_ENABLE
AC19 LSI_TN
AF19 LSI_CW_TAP
AE18 LSI_PROCMON AD4
NBATRST
AD17 LSI_TDO AE5
k RTCPWRDWN
k 0
AE19 LSI_IDDT
1 1
8 3
7 7
3 3
R R
+1.2V +3.3V
1
F4 Z0.1u C328
VDD2_1
E23 Z0.1u C329
VDD2_2
Z0.1u C330
D6
VDD2_3
D10 Z0.1u C331
VDD2_4
D14 Z0.1u C332
VDD2_5
Z0.1u C333
P23
VDD2_6
K23 Z0.1u C334
VDD2_7
AA23 Z0.1u C335
VDD2_8
Z0.1u C336
AB4
VDD2_9
AC22 Z0.1u C337
VDD2_10
AC17 Z0.1u C338
VDD2_11
Z0.1u C339
AC13 +1.2V
VDD2_12
N4 Z0.1u C352
VDD2_13
D22 Z0.1u C353
VDD2_14 3
Z0.1u C354 9
U4
0
3
VDD2_15
AC6 Z0.1u C355 R
VDD2_16
AD5
VDD2RTC
+3.3V
u
7
1
K4 Z0.1u C357 2
.
VDDIO33_1 3
0
0
Z0.1u C358
D13
C Z
9
VDDIO33_2
3
Z0.1u C359
D17
VDDIO33_3 R
P4 Z0.1u C360
VDDIO33_4
Z0.1u C361
U23
VDDIO33_5
AC10 Z0.1u C362
VDDIO33_6
+3.3V
N23 Z0.1u C363
VDDIO33_7
Z0.1u C364
AC14
VDDIO33_8
AF3
u
5
1
2
.
D24
3
NC1 0
AE11 C Z
NC2
AD23
NC3
C315 0
2
0 C
C26
3
N
DOTCLKIN
R375 X
D25
C 31 6 N C
( ) ( )
NC
C313 0
1
0 C
AF24
3
N
MDMCLKIN
R374
X
C 31 4 N C
AE23
( ) ( )
NC
0
C317
3
0
C
AF4
3
RTCCLKIN N
X
AE4 C 31 8 N C
( )
+1.2V
C25 1 R 38 0
PLL24VDD
B26 K0.22u C304
PLL240VSS
AE24 1 R 38 1
PLL393VDD
AF25 K0.22u C305
PLL393VSS
AF2 1 R 38 2
AE3 K0.22u C306
6
0 L360
3:6D
CCDSH
15 L361 3:6D
CCDCLK
L363
220 3:6B
AFEVSMP
220 L364 3:6B
AFEMCLK
3:6C
AFEADC[0-3]
AFEADC[0]
220 L365
220 L366 AFEADC[1]
220 L367 AFEADC[2]
AFEADC[3]
220 L368
220 L369 3:6B
AFESIFCLK
220 L370 3:6B
AFESIFEN
220 L371 3:6B
AFESIFDOUT
3:7B
NCCDON
3:6C
LEDONR
3:6C
LEDONG
3:6D
LEDONB
+3.3V +1.2V +1.2V
5 6
1
VBUS
2
D-
3
D+
C C
R376 4
GND
N N
) )
F6.98k
2 0
( ( 7 8
1 2
3 3
R385
C C
R387 1M
1
C321 Z0.1u
C308
K0.22u
C310
z
0
H
0 J22p
3 M
2 C311
R384 X
1
100
J27p
2F;2:2E
XSYSRST
+1.2V/BATT
+3.3V/BATT
0
R388 NC
( )
C
9
NC
3
0 N 1
0
IC303
3
0
3 C
A
1 4 1
2 VSS
D
NC
) C322
9
C 3 VIN 2
8
( )
3
N
(
VOUT
R
NC
C323
) ( )
0
C NC
0
3 N
J
4 (
)
2
C
3
( 0
N
C 0
)
1 3
C
T
N
( A
2 B
KX-MB26 2CX SCHEMATIC DIAGRAM (MAIN BOARD No.1) (2/3)
KX-MB262CX/KX-MB772CX
7
2/3
1
-2
CN300