Panasonic KX-MB2230JT Service Manual page 339

5
A
DP_W
DM_W
B
NRST_W
C
L753
4
R750 15AG601
10
1
1
CN750 2
3
4 4
5
6
7
1
8
9
C750
NC
( )
D
LVIN
E
+3.3V
+1.2V
+5VD
F
6
4 1
3 2
L850
NC
+3.3V
1:4E
+3.3V
15BD102
L750
3
1
MDI+0
2
2
MDI-0
3
NC1
4
MDI+1
5
MDI-1
6
AVDD33_1
3 7
GND1
8
NC2
9
NC3
10
PMEB
2
11
NC4
L752 12
TXER
+3.3V
S3.3V
S5V
+24VB
+24VA
KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
7
1 36
GND1 GND10
2 35
SDDATA3 ANT
3 34
SDCLK GND9
4 33
SDCMD GND8
5 32
GND2 GPIO0
IC850
6 31
USB_DP GPIO1
NC
7 30
USB_DM M_ANA
W-LAN
8 29
GND3 V28
9 28
SDDATA2 GPIO2
10 27
SDDATA1 GPIO6
11 26
SDDATA0 GPIO8
12 25
GND4 GND7
NC
( C )
B
E
Q850
X750
25MHz
C766 K0.1u
36
CRS/CRS_DV
35
LED1/PHYAD1
34
LED0/PHYAD0
33
GND3
32
INTB
IC750
31
MDIO
30
MDC
29
PHYRSTB
28
DVDD10
27
TXEN
26
TXD3
25
TXD2
L751 R767
15BB470 22
RE199 RE1
R495 0(1608)
R496 0(1608)
R497 0(1608)
R499 NC
( )
R498 0(1608)
339
8
C861
( )
VCONT1 OUT1
6 1
NC
C854
TP800
( )
INPUT GND
5 2
NC
VCONT2 OUT2
4 3
NC
IC851
C862
( )
NC
+3.3V
KX-MB2230JT MAIN BOARD (No.5) (2/2)
2/2
3/4 4/4
ANT-1
5
-2
ANT-2
1:2B
RX_ER
1:2B
CRS_DV
1:2C
MGTINT
1:2C
MDIO
1:2C
MDC
1:2B
TX_EN
1:4D
XLANRST
1:2B
TXD1
1:2B
TXD0
1:2B
REF_CLK
1:2C
RXD1
1:2C
RXD0