Ethernet Connection Trouble - LG FM300 Service Manual

4.9 Ethernet Connection Trouble

VDD_2.5
R133 0
PORT1_TDP
R135 0 TP3
PORT1_TDN
PORT1_RDP
TP4
PORT1_RDN
TP4
C153 C152
8.2p 8.2p
P1_RDP
P1_RDN
P1_TDP
P1_TDN
LGE Internal Use Only
FB100 220
R137 0
R138 0
TP3
C151 C154 C128 C129 C130 C131
8.2p 8.2p 0.1u 10u 10u 0.1u
C137 1n
R146
C138 1n
R148
4. TROUBLE SHOOTING
1 14
TD+ TX-
2 15
V_CTR1 CM2
3 16
TD- TX+
6 11
RD+ RX+
7 10
U104
V_CTR2 CM1
8 9
RD- RX-
4 13
NC1 NC4
5 12
NC2 NC3
ELCP0009412
TLA-6T118LF
C132
0.1u
G1
TP1
TP1
TP2
TP2
75
75
G2
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4. TROUBLE SHOOTING
TP5
C127 1n
R134 75
TP5
P1_TDP
P1_RDP
RF DCDC
P1_RDN
TP6
TP6
CN101
G3
9
1
2
3
4
5
6
7
8
G4
10
ENZY0030801
85507-5001
Only for training and service purposes
P1_TDN