Read LG 42LT760H-TA (CHASSIS:LB3AF) Service Manual online
0
R9030
10pF
50V
C9008
OPT
THERMAL
RTL8201FN
IC9000
1
MDI+[0]
2
MDI-[0]
3
NC_1
4
MDI+[1]
5
MDI-[1]
6
AVDD33_1
7
NC_2
8
NC_3
9
NC_4
10
NC_5
11
EN_LDO_OUT
12
TXER
13
RXDV
14
RXD[0]
15
DVDD33_1
16
RXD[1]
17
RXD[2]
18
RXD[3]/CLK_CTL
19
RXC
20
INTB
21
DVDD33_2
22
TXC
23
TXD[0]
24
TXD[1]
25
TXD[2]
26
TXD[3]
27
TXEN
28
DVDD10
29
PHYRSTB
30
MDC
31
MDIO
32
LED2/PHYAD[2]
33
PMEB
34
LED0/PHYAD[0]
35
LED1/PHYAD[1]
36
CRS/CRS_DV
37
DVDD33_3
38
COL
39
RXER/FXEN
40
DVDD10OUT
41
AVDD33_2
42
CKXTAL1
43
CKXTAL2
44
NC_6
45
NC_7
46
RSET
47
NC_8
48
AVDD10OUT
49
[EP]GND
0
R9013
0 . 1 u F
16V
C9001
0 . 1 u F
16V
C9012
LAN_AVDD33
0 . 1 u F
16V
C9011
MAGIC_WOL
0 . 1 u F
16V
C9002
LAN_AVDD33
ETHERNET_RESET
0 . 1 u F
16V
C9013
0 . 1 u F
16V
C9000
0 . 1 u F
16V
C9007
AO3407A
Q9000
G
D
S
ETHERNET_MDC
TR0P
PHY_STATE
LAN_AVDD33
0 . 1 u F
16V
16V
C9010
100K
R9008
TR1N
TR0N
ETHERNET_MDIO
TR1P
0 . 1 u F
16V
16V
C9004
0 . 1 u F
16V
16V
C9014
LAN_DVDD33
+3.5V_ST_LAN
BLM18PG121SN1D
L9000
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.
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.
25.0MHz
X9000
2.49K
1%
R9009
0 . 1 u F
16V
C9006
0
R9014
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
+3.5V_ST
LAN_DVDD33
BLM18PG121SN1D
L9001
+3.5V_ST_LAN
4.7K
R9011
4.7K
R9026
4.7K
R9027
4.7K
R9032
4.7K
R9025
4.7K
R9038
4.7K
R9012
4.7K
R9001
0
R9024
470K
R9002
1M 1%
OPT
R9010
TP9000
WOL_ON
0
R9064
OPT
4.7K
OPT
R9067
15pF
50V
C9003
X t a l _ O l d
15pF
50V
C9005
X t a l _ O l d
ETHERNET_PWR_ON/OFF
10K
R9065
2SC3052
Q9003
E
B
C
12pF
50V
X t a l _ m a t c h i n g
C9005-*1
12pF
50V
C9003-*1
X t a l _ m a t c h i n g
100
R9068
10K
R9069
LAN1_DET
GXFULL
5 . 6 B
ZD9000
1K
R9070
MMBT3904(NXP)
Q9001
E
B
C
ETNHUB_DVDD33
LAN_LINK3
MMBT3904(NXP)
Q9002
E
B
C
100
R9071
1K
R9073
10K
R9072
5 . 6 B
ZD9001
ETNHUB_DVDD33
LAN2_DET
0 . 1 u F
C9015
30V
D9006
30V
D9010
ETNHUB_DVDD33
4 9 . 9
1%
1%
R9041
30V
D9000
BLM18PG121SN1D
L9002
ETNHUB_EPHY_RXIN0
510
R9043
43-10013AD11-1
JK9000
LED_LAN_OLD
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
30V
D9008
GXFULL
18pF
C9029
OPT
18pF
C9028
OPT
18pF
C9027
OPT
18pF
C9026
OPT
ETNHUB_EPHY_TXON0
ETNHUB_AVDD18
30V
D9002
1000pF
C9017
GYSPD
30V
D9004
1000pF
C9019
0 . 1 u F
C9021
0 . 1 u F
C9016
ETNHUB_EPHY_RXIP0
4 9 . 9
1%
1%
R9042
4 9 . 9
1%
1%
R9040
4 9 . 9
1%
1%
R9039
ETNHUB_EPHY_TXOP0
510
R9044
BLM18PG121SN1D
L9003
ETNHUB_EPHY_TXOP1
30V
D9007
0 . 1 u F
C9024
ETNHUB_EPHY_RXIN1
30V
D9011
0
R9063
43-10013AD11-1
JK9001
LED_LAN_OLD
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
ETNHUB_EPHY_TXON1
LAN_ACT3
30V
D9009
4 9 . 9
1%
1%
R9051
4 9 . 9
1%
1%
R9052
0 . 0 1 u F
C9022
4 9 . 9
1%
1%
R9053
1000pF
C9020
ETNHUB_AVDD18
0 . 1 u F
C9025
0 . 0 1 u F
C9023
OPT
1000pF
C9018
LAN_DVDD33
ETNHUB_EPHY_RXIP1
30V
D9005
4 9 . 9
1%
1%
R9054
LAN_LINK3
30V
D9003
510
R9046
510
R9045
30V
D9001
68pF
C9030
OPT
68pF
C9033
OPT
68pF
C9031
OPT
68pF
C9032
OPT
RJ45VT-01SLGY002
LAN_FOR EMI
JK9001-*1
1
2
3
4
5
6
7
8
L1
L2
L3
L4
13
RJ45VT-01SLGY002
LAN_FOR EMI
JK9000-*1
1
2
3
4
5
6
7
8
L1
L2
L3
L4
13
0
R9059
res_0ohm
0
R9060
res_0ohm
0
R9062
res_0ohm
0
R9061
res_0ohm
10
res_10ohm
R9061-*1
10
R9059-*1
res_10ohm
10
res_10ohm
R9060-*1
10
res_10ohm
R9062-*1
PHY ADDRESS CONFIG
MCU PORT TO BE ASSIGNED!!
2
1
0
TO MCU
CONFIG PHY_ADDRESS = 111
TO RJ45
T O S O C / M C U
P l a c e C l o s e d
E t h e r n e t P H Y
E t h e r n e t B l o c k
PHY chip for WOL
2 0 1 1 . 0 8 . 2 6
xxLT760H-UA
90
Low
TO SOC
High
Low
LAN1_DET
LAN1 Detect
GXFULL
High
A37
I n p u t
Not Connected
Connected
S t a t u s
MTK pin no
LAN1_DET
C35
LAN2_DET
LAN_LINK3
S t a t u s
LAN2_DET
I n p u t
High
Low
MTK pin no
Low
High
LAN2 Detect
Not Connected
Connected
TO SOC
LAN 1
EXT AUX RJ45
R J 4 5
P l z C h e c k O P T c o m p o n e n t ! !
LAN 2
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