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LG 42LP860H Service Manual page 47

Chassis : ld3bf
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Ethernet PHY(RTL8201FN)/RJ45
+3.5V_ST
Q9000
AO3407A
G
R9002
R9008
10K
1K
C
B
Q9003
ETNHUB_PWR_ON/OFF
2SC3052
R9065
10K
E
50V
15pF
C9003-*1
Xtal_Old
50V
12pF
C9003
Xtal_matching
TO RJ45
R9009
2.49K
1%
C9004
0.1uF
C9002
16V
0.1uF
16V
LAN_AVDD33
MDI+[0]
1
MDI-[0]
2
THERMAL
NC_1
3
49
MDI+[1]
4
IC9000
MDI-[1]
5
AVDD33_1
RTL8201FN
6
NC_2
7
LAN_DVDD33
NC_3
8
C9000
0.1uF
NC_4
9
16V
NC_5
10
R9001 4.7K
EN_LDO_OUT
11
TXER
12
LAN_DVDD33
C9001
0.1uF
16V
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LAN_AVDD33
+3.5V_ST_LAN
+3.5V_ST_LAN
L9000
BLM18PG121SN1D
C9012
0.1uF
16V
LAN_DVDD33
L9001
BLM18PG121SN1D
C9013
0.1uF
16V
50V
15pF
C9005-*1
PHY ADDRESS CONFIG
Xtal_Old
LAN_DVDD33
50V
12pF
CONFIG PHY_ADDRESS = 111
C9005
0
Xtal_matching
1
2
25.0MHz
R9026
R9027
R9032
X9000
4.7K
4.7K
4.7K
R9010
1M 1%
R9011
Place Closed
OPT
4.7K
C9014
0.1uF
16V
LAN_DVDD33
LAN_DVDD33
C9007
0.1uF
16V
R9025
4.7K
CRS/CRS_DV
36
LED1/PHYAD[1]
35
LED0/PHYAD[0]
34
PMEB
33
LED2/PHYAD[2]
32
MDIO
31
ETHERNET_MDIO
MDC
30
ETHERNET_MDC
PHYRSTB
R9030
22
29
DVDD10
28
TXEN
27
C9011
TXD[3]
C9010
26
0.1uF
0.1uF
TXD[2]
25
16V
16V
LAN_DVDD33
C9008
10pF
OPT
50V
C9006
R9012
0.1uF
4.7K
16V
R9013
PHY_STATE
100
NON_LED_LAN
NON_LED_LAN
JK9000-*1
JK9001-*1
BS-R430061
BS-R430061
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
LAN_DVDD33
R9038
4.7K
MCU PORT TO BE ASSIGNED!!
ETHERNET_RESET
TO MCU
MAGIC_WOL
TO SOC/ MCU
LAN 1
(AUX LAN)
ETNHUB_EPHY_TXOP1
MTK pin no
Status
LAN1_DET
G37
Input
ETNHUB_EPHY_TXON1
ETNHUB_EPHY_RXIP1
LAN1_DET
LAN1_LINK
Connected
High
Low
ETNHUB_EPHY_RXIN1
Disconnected
Low
High
LAN1 Detect
ETNHUB_DVDD33
GYSPD
R9069
10K
R9068
100
LAN1_DET
C
TO Soc
R9070
10K
Q9001
B
LAN1_LINK
MMBT3904(NXP)
LAN1_LINK
E
From MICOM
LAN 2
ETNHUB_EPHY_TXOP3
MTK pin no
Status
LAN2_DET
G36
Input
ETNHUB_EPHY_TXON3
ETNHUB_EPHY_RXIP3
LAN2_DET
LAN2_LINK
Connected
High
Low
ETNHUB_EPHY_RXIN3
Disconnected
High
Low
LAN2 Detect
ETNHUB_DVDD33
LAN_ACT3
R9072
10K
R9071
100
LAN2_DET
C
TO Soc
R9073
Q9002
B
10K
LAN2_LINK
LAN2_LINK
MMBT3904(NXP)
From MICOM
E
xxLP860H-ZA
Ethernet PHY/RJ45
ETNHUB_AVDD18
LED_LAN
JK9000
RJ45VT-01SLGY002
1
R9039
49.9
1%
2
R9040
C9015
49.9
0.1uF
1%
3
4
R9041
49.9
1%
5
C9016
R9042
49.9
0.1uF
1%
6
C9021
7
0.1uF
16V
8
ETNHUB_DVDD33
R9043
510
L1
L2
R9044
510
L3
L4
13
C9017
C9019
1000pF
1000pF
ETNHUB_AVDD18
LED_LAN
JK9001
RJ45VT-01SLGY002
1
R9051
49.9
1%
2
C9024
R9052
0.1uF
49.9
1%
3
4
R9053
49.9
1%
5
R9054
C9025
49.9
0.1uF
1%
6
C9022
7
0.1uF
16V
8
LAN_DVDD33
R9045
510
L1
L2
R9046
510
L3
L4
13
C9018
C9020
1000pF
1000pF
2012.12.10
90
LGE Internal Use Only

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