LG 40LX770H Service Manual page 51

Ethernet PHY(RTL8201FN)/RJ45
+3.5V_ST
IC9003
AP2191WG-7
IN
5
C9028
0.1uF
EN
R9002 33
4
ETNHUB_PWR_ON/OFF
R9007 C9029
10K
0.1uF
OPT
16V
OPT
Place this Res. near IC
R9009
2.49K
C9002
0.1uF
16V
LAN_AVDD33
MDI+[0]
MDI-[0]
NC_1
MDI+[1]
MDI-[1]
AVDD33_1
NC_2
LAN_DVDD33
NC_3
C9000
0.1uF NC_4
16V
NC_5
R9001 4.7K EN_LDO_OUT
TXER
LAN_DVDD33
LAN_DVDD33
R9004 4.7K
EPHY_RXD0
EPHY_RXD1
C9001
0.1uF
16V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST_LAN
+3.5V_ST_LAN
L9000
BLM18PG121SN1D
OUT
1
GND
R9068
2
30K
OPT
FLG
3
L9001
BLM18PG121SN1D
PHY ADDRESS CONFIG
50V 50V
CONFIG PHY_ADDRESS = 111
12pF
12pF
C9005
C9003
LAN_DVDD33
25.0MHz
0
X9000
1
2
R9026 R9027 R9032
4.7K 4.7K 4.7K
LAN_AVDD33 LAN_DVDD33
C9014
0.1uF
Place Closed
16V
C9004
R9014 3.3K
1%
0.1uF
16V
ET_COL/SNI
LAN_DVDD33
C9007
0.1uF
16V
R9025
4.7K
CRS/CRS_DV R9015 22 +3.5V_ST
1 36
LED1/PHYAD[1]
2 35
THERMAL
LED0/PHYAD[0]
3 49 34
R9005
PMEB
4 33 1.5K
IC9000
OPT
LED2/PHYAD[2]
5 32
RTL8201FN MDIO R9000 22
6 31
MDC R9003 22
7 30
PHYRSTB
8 29
DVDD10
9 28
TXEN
10 27
EPHY_EN
TXD[3]
11 26
TXD[2] C9011
12 25 C9010
0.1uF 0.1uF
16V 16V
R9011 51
Place near IC
LAN_DVDD33
C9027 5pF
C9026 33pF
C9006
R9012 0.1uF
4.7K 16V
R9013 100
LAN_AVDD33
C9012
0.1uF
16V
LAN_DVDD33
C9013
0.1uF
16V
ET_COL/SNI
EPHY_CRS_DV
LAN_DVDD33
R9006 R9038
1.5K
4.7K
OPT
EPHY_MDIO
EPHY_MDC
R9075 22
/ETHERNET_RESET
TO MCU
/RTL8201_PMEB
EPHY_TXD1
EPHY_TXD0
EPHY_REFCLK
/RTL8201_INT TO SOC / MCU
LAN 1
ETNHUB_AVDD18
(AUX LAN)
ETNHUB_EPHY_TXOP1
R9039
49.9
1%
R9040
C9015
49.9
0.1uF
1%
ETNHUB_EPHY_TXON1
ETNHUB_EPHY_RXIP1
R9041
49.9
1%
C9016 R9042
49.9
0.1uF
1%
ETNHUB_EPHY_RXIN1
C9017 C9021
0.1uF
0.01uF
16V
LAN 2
ETNHUB_AVDD18
ETNHUB_EPHY_TXOP3
R9051
49.9
1%
C9024
R9052
0.1uF 49.9
1%
ETNHUB_EPHY_TXON3
ETNHUB_EPHY_RXIP3
R9053
49.9
1%
R9054
C9025
49.9
0.1uF
1%
ETNHUB_EPHY_RXIN3
C9023 C9022
0.1uF
0.01uF
16V
PHY / RJ45
JK9000
RJ45VT-01SN002
1
2
3
4
5
6
7
8
9
9
JK9001
RJ45VT-01SN002
1
2
3
4
5
6
7
8
9
9
2015.3.11
LX770H
23 24
LGE Internal Use Only