Read LG 47LT777H (CHASSIS:LA2FZ) Service Manual online
THERMAL
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.
R9030
0
R9029
0
NON_LAN2_HUB
LAN_ACTIVE_Y
C9008
10pF
50V
OPT
IC9000
RTL8201FN
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
R9013
0
C9001
0.1uF
0.1uF
16V
C9012
0.1uF
0.1uF
16V
C9011
0.1uF
16V
/RTL8201_PMEB
C9002
0.1uF
16V
/ETHERNET_RESET
C9013
0.1uF
0.1uF
16V
HUB2PHY_TXD1
C9000
0.1uF
0.1uF
16V
HUB2PHY_TXEN
C9007
0.1uF
0.1uF
16V
Q9000
AO3407A
FET_AOS
G
D
S
ETHERNET_MDC
TR0P
/RTL8201_INT
C9010
0.1uF
16V
0.1uF
16V
R9008
100K
/WOL_ON
TR1N
TR0N
ETHERNET_MDIO
TR1P
C9004
0.1uF
16V
0.1uF
16V
C9014
0.1uF
16V
0.1uF
16V
PHY2HUB_RXD0
PHY2HUB_CRSDV
+3.5V_ST_LAN
L9000
BLM18PG121SN1D
LAN_LINK_G
X9000
25.0MHz
R9009
2.49K
2.49K
1%
C9006
0.1uF
0.1uF
16V
R9014
0
+3.5V_ST
TR1P
D9005
30V
Diode_OLD
D9001
30V
D9009
Diode_OLD
R9045
510
TR0N
LAN_LINK_G
D9007
30V
Diode_OLD
TR1N
JK9001
43-10013AD11-1
LED_LAN_OLD
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
TR0P
R9046
510
LAN_ACTIVE_Y
D9011
30V
Diode_OLD
D9003
30V
30V
D9008
30V
Diode_OLD
C9016
0.1uF
R9042
49.9
1%
49.9
1%
R9041
49.9
1%
49.9
1%
D9000
30V
C9021
0.1uF
0.1uF
16V
R9039
49.9
1%
49.9
1%
R9044
510
R9040
49.9
1%
49.9
1%
ETNHUB_EPHY_TXOP0
D9004
30V
Diode_OLD
R9043
510
ETNHUB_EPHY_RXIN0
D9010
30V
Diode_OLD
ETNHUB_EPHY_TXON0
JK9000
43-10013AD11-1
LED_LAN_OLD
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
ETNHUB_EPHY_RXIP0
D9002
30V
30V
L9002
BLM18PG121SN1D
C9015
0.1uF
D9006
30V
Diode_OLD
ETNHUB_AVDD18
LAN_DVDD33
L9001
BLM18PG121SN1D
+3.5V_ST_LAN
ETNHUB_DVDD33
R9011
4.7K
R9026
4.7K
R9027
4.7K
R9032
4.7K
R9025
4.7K
R9038
4.7K
R9012
4.7K
R9001 4.7K
R9000 4.7K
NON_LAN2_HUB
R9024
0
R9002
470K
R9010
1M
1%
OPT
R9007
4.7K
NON_LAN2_HUB
C9017
1000pF
C9019
1000pF
C9018
1000pF
C9020
1000pF
C9022
0.01uF
0.01uF
C9023
0.01uF
0.01uF
OPT
PHY2HUB_RXD1
TP9000
GYSPD
GXFULL
R9048
0
NON_LAN2_HUB
R9049
0
NON_LAN2_HUB
R9050
0
NON_LAN2_HUB
R9047
0
NON_LAN2_HUB
C9024
0.1uF
LAN2_HUB
R9051
49.9
1%
49.9
1%
LAN2_HUB
R9052
49.9
1%
49.9
1%
LAN2_HUB
R9053
49.9
1%
49.9
1%
LAN2_HUB
C9025
0.1uF
0.1uF
LAN2_HUB
R9054
49.9
1%
49.9
1%
LAN2_HUB
ETNHUB_AVDD18
L9003
BLM18PG121SN1D
LAN2_HUB
LAN_LINK3
LAN_ACT3
R9055
0
LAN2_HUB
R9056
0
LAN2_HUB
R9057
0
NON_LAN2_HUB
R9058
0
NON_LAN2_HUB
ETNHUB_EPHY_RXIN1
ETNHUB_EPHY_TXOP1
ETNHUB_EPHY_RXIP1
ETNHUB_EPHY_TXON1
R9059
0
LAN2_HUB
R9060
0
LAN2_HUB
R9061
0
LAN2_HUB
R9062
0
LAN2_HUB
R9063
0
LAN2_HUB
R9064
0
OPT
C9003
15pF
50V
Xtal_Old
C9005
15pF
50V
Xtal_Old
R9066
4.7K
NON_LAN2_HUB
R9067
4.7K
OPT
HUB2PHY_TXD0
PHY2HUB_REF_CLK
R9016
0
NON_LAN2_HUB
R9017
33
NON_LAN2_HUB
R9020
33
NON_LAN2_HUB
LAN_AVDD33
LAN_DVDD33
LAN_DVDD33
LAN_AVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
LAN_DVDD33
Q9001
MMBT3904(NXP)
E
B
C
R9070
1K
R9069
10K
R9068
100
ETNHUB_DVDD33
GXFULL
LAN1_DET
Q9002
MMBT3904(NXP)
E
B
C
R9071
100
R9072
10K
LAN2_DET
LAN_LINK3
ETNHUB_DVDD33
R9073
1K
ZD9000
5.6B
ZD9001
5.6B
R9065
10K
ETNHUB_PWR_ON/OFF
Q9003
2SC3052
2SC3052
E
B
C
LAN_AVDD33
C9003-*1
12pF
50V
Xtal_matching
C9005-*1
12pF
50V
Xtal_matching
R9059-*1
10
10
1/16W
5%
5%
for EMI
R9060-*1
10
10
1/16W
5%
5%
for EMI
R9061-*1
10
10
1/16W
5%
5%
for EMI
R9062-*1
10
10
1/16W
5%
5%
for EMI
D9004-*1
18pF
50V
18pF
50V
for EMI_Cap
D9006-*1
18pF
50V
18pF
50V
for EMI_Cap
D9008-*1
18pF
50V
18pF
50V
for EMI_Cap
D9010-*1
18pF
50V
18pF
50V
for EMI_Cap
D9005-*1
68pF
50V
68pF
50V
for EMI_Cap
D9007-*1
68pF
50V
68pF
50V
for EMI_Cap
D9009-*1
68pF
50V
68pF
50V
for EMI_Cap
D9011-*1
68pF
50V
68pF
50V
for EMI_Cap
JK9001-*1
RJ45VT-01SLGY002
LAN_FOR EMI
1
2
3
4
5
6
7
8
L1
L2
L3
L4
13
JK9000-*1
RJ45VT-01SLGY002
LAN_FOR EMI
1
2
3
4
5
6
7
8
L1
L2
L3
L4
13
Q9000-*2
DMP2130L
FET_2.5V_DIODES
G
D
S
Q9000-*1
AO3435
FET_2.5V_AOS
G
D
S
RJ 45
PHY ADDRESS CONFIG
MCU PORT TO BE ASSIGNED!!
2
1
0
TO MCU
CONFIG PHY_ADDRESS = 111
MII MODE
TO RJ45
TO SOC/ MCU
TO Ethernet HuB
TO Ethernet HuB
Place Closed
Ethernet PHY
Ethernet Block
PHY chip for WOL
LAN 2
LAN 1
EXT AUX RJ45
Plz Check OPT component!!
RMII MODE
2011.08.26
xxLT760H-UA
90
Place close at
RTL8201FN(IC9000) side
RTL8201FN(IC9000) side
LAN1 Detect
LAN2 Detect
TO SOC
TO SOC
Connected
Not Connected
GXFULL
LAN1_DET
Low
Low
High
High
Connected
LAN2_DET
Low
Not Connected
High
Low
LAN_LINK3
High
LAN1_DET
Status
G37
MTK pin no
Input
Input
G36
Status
LAN2_DET
MTK pin no
LED_LAN_OLD
EMI PASS
LAN_FOR EMI
EMI PASS
D9004~D9011 : Use ’for EMI_Cap’ option
R9059~R9062 : Use ’for EMI’ option
D3624/D3625 : Use ’for EMI_Cap’ option
(Apply the below)
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