123
Prestigio Cavaliere 141
Technical Service Manual
8.12 LAN Test Error
Symptom:
An error occurs when a LAN device is installed.
RP507
22*4
U507
SOX16
LAN_MRXD0
LAN_MRXD1
LAN_MRXD2
LAN_MRXD3
LAN_MTXD0
LAN_MTXD1
LAN_MTXD2
LAN_MTXD3
LAN_MRXDV
LAN_MRXER
LAN_MRXC
LAN_MTXE
LAN_MTXC
RXD0
RXD1
RXD2
RXD3
RXDV
RXER
RXC
TXEN
TXCLK
LAN_TXP
LAN_TXN
LAN_RXP
LAN_RXN
U509
LANPHY
ISC1893
J508
R170 22
R128 22
35
34
33
32
45
46
47
48
36
39
38
44
43
18
5
6
13
14
7
8
1
2
9
10
PJTX-
PJTX+
PJRX+
PJRX-
R573
61.9
R586
61.9
R103
56
R111
56
RP506
0*4
PJ5
PJ4
PJ7
PJ8
15
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
RP505
0*4
1
2
5
4
8
7
6
3
RP508
22*4
U516
South
Bridge
SiS961
R574
0
R102
0
R106
0
R109
0
P
16
LAN_DADAIO
LAN_DCLK
R189 22
R176 22
31
30
LAN_COL
LAN_CRS
COL
CRS
R127 22
R126 22
49
R588 22K
+S3V
R584
0
R105
0
P
25
P
25
P
19
C638
1U
RP29
22*4
R606 1.5K
RESETN
R740
0
C739
0.1U
16
C157
1000P
R113
75
R110
75
R115
75
R108
75
14
11
C149
0.1U
C295
10P
50