Service manual

Schematic Diagrams
B - 22 LAN
B.Schematic Diagrams
LAN
Sheet 21 of 41
LAN
TX+
COL#
MDC 17
-PHYPWRDN 17
MD C
C395
10U_10V_08
RXD2 17
CMX3-
Z2103
R219
49.9_1%_04
TXC LK
C260
2.2U_16V_08
RXER
-PHYRST 17
C363
.1U_10V_04
C382
.1U_10V_04
R237
49.9_1%_04
RD-
RN1 33_8P4R_04
81
72
6
5
3
4
R66 75_1%_04
TD +
RXD1
RXD2
TD -
R256 33_04
TXD1
R228
6.49K_1%_04
R257 33_04
R178
75_1%_04
SPEED
C372
.01U_50V_04
RN8
33_8P4R_04
81
72
6
5
3
4
RXCLK 17
RXCLK
C351
.1U_16V_04
For VIA platform
TXD3
JLAN1
PJS-28VL3
1
2
3
4
5
6
7
8
GND1
GND2
DA+
DA-
DB+
DC+
DC-
DB-
DD+
DD-
GND
GND
NWAY
C369
.1U_10V_04
C378
.01U_50V_04
VT6103L
U7
VT6103L_LQFP
25
26
27
28
29
30
31
32
33
34
35
36
37 38 39 40 41 42 43 44 45 46 47 48
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
VDDRX
RX-
RX+
FXSD
GNDRX
GNDPLL
REXT
VDDPLL
GNDTXC
TX-
TX+
VDDTX
GNDTX GNDOSC XO XI VDDOSC RST MDIO MDC RXD3 RXD2 RXD1 RXD0
VDD1
GND1
RXDV
RXC
RXER
GNDC
VDDC
TXER
TXC
TXEN
TXD 0
TXD 1
TXD2 TXD3
COL
CRS
GND2
VDD2
INT
LED0 LED1 LED2 LED3
PD
R273 33_04
RXD2#
X1
25MHz
12
R271 10K_04
3.3VLANPH
TXEN
R259 10K_04
LN1 B4W
1
2
3
4 5
6
7
8
C312
.1U_10V_04
TXD2
RX-
LINK
Z2104
RXER 17
Co-lay Common Choke? 0O
??,??Cost_Down??
RXDV 17
C364
.01U_16V_04
3.3V
RD+
TD-
CMX3+ RX+
PHYPWRDN
R62 75_1%_04
NWAY
C394
.1U_10V_04
RXER#
CMX3+
TXC L K 1 7
RXDV
RXD1#
MD I O
LAN_CLKO
DUPLEX
CRS 17
LAN_CLKI
RXD3 17
REXT
SPEED
Z2107
Z2105
TXD2 1 7
LINK
COL
C57
1000P_2KV_12
CMX4+
3.3VLANPH
T10
LF-H80P-1
1
2
16
15
314
412
5
6
7
13
9 8
11
10
RD+
RD-
RX+
RX-
RD_CTRX_CT
NCNC
NC
TD_ CT
TD+
NC
TX- TD-
TX_CT
TX+
R260 10K_04
C313
10P_50V_04
CMX4-
C384
.1U_10V_04
RXCLK#
L41 HCB2012KF-121T30_08
1 2
MD I O #
CMX4-
TXD0 1 7
R232
49.9_1%_04
C314
10P_50V_04
R207 33_04
C315
.1U_10V_04
R177
75_1%_04
RXD1 17
TXD0
CRS#
TXCLK#
Z2109
CRS
TD+
PHYPWRDN
MDI O 17
Z2102
R222
49.9_1%_04
RD+
R258 10K_04
RXD0 17
DUPLEX
TXD3 1 7
RD-
R180 *0_04
TXD1 1 7
RXD3#
Z2108
RXD3
TXEN 17
RXDV#
TX-
3.3V
R272 10K_04
Z2106
CMX3-
C365
.1U_10V_04
COL 17
CMX4+
3.3VLANPH
LAN_CLKO
RXD0
3.3V
Z2101
RXD0#
RN15
*0_08_8P4R
81
72
6
5
3
4