LG 55LV555H, Service Manual

Page: 34 / 41

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.
1K
R1334
18pF 50V C1344
0 . 1 u F
C1316
LAN_LINK0 14:U7
BLM18PG121SN1D
L1304
470
R1354
0 . 1 u F
C1322
D2.5V_ETHUB
D3.3_ETHUB
0 . 1 u F
C1317
OPT
0 . 1 u F
C1305
LAN_ACT0
14:U6
4 9 . 9
1%
R1301
D1.8_ETHUB
0 . 1 u F
C1321
OPT
A3.3_ETHUB
1M R1319
1K
R1360
470
OPT
R1350
DISDUALMII AM15
EPHY_RXIN3
S5
GYSPD P21
ETHUB_MDIO 5:AB18;X27
GXMODE T26
4 9 . 9
1%
R1300
0 . 1 u F
C1320
OPT
A3.3_ETHUB
33
R1333
0 . 1 u F
C1324
OPT
SETGROUP
T26
ETHUB_RESET 5:AG17
0 . 1 u F
16V
C1329
D3.3_ETHUB
D2.5V_ETHUB
25MHz X1300
D3.3_ETHUB
EPHY_RXIP0
14:U10
0 . 1 u F
C1327
OPT
PHY2PTXEN
AM18
0 . 1 u F
C1331
OPT
A1.8_ETHUB
EPHY_TXON3
W14
P4MODE1 AM15
EPHY_TXON3
S7
1K R1348
1K
R1358
P4MODE1 AD18
GXFULL
AJ23
0 . 1 u F
C1323
0 . 1 u F
C1325
OPT
0 . 1 u F
C1311
OPT
1K
R1351
4 9 . 9
1%
R1310
D1.8_ETHUB
ETHUB_MDC 5:AB18;X27
P4MODE0 AM14
EPHY_RXIP3
S6
0 . 1 u F
16V
C1333
0 . 1 u F
C1308
A1.8_ETHUB
1K R1347
0 . 1 u F
C1318
OPT
EPHY_TXON0
14:U10
0 . 1 u F
C1313
1K
R1325
0 . 1 u F
C1332
OPT
RTL8306G
IC1300
1
AVDD18_1
2
RXIN[0]
3
RXIP[0]
4
AGND_1
5
TXOP[0]
6
TXON[0]
7
AVDD18_2
8
AVDD18_3
9
TXON[1]
10
TXOP[1]
11
AGND_2
12
RXIP[1]
13
RXIN[1]
14
AVDD18_4
15
AVDD18_5
16
RXIN[2]
17
RXIP[2]
18
AGND_3
19
TXOP[2]
20
TXON[2]
21
AVDD18_6
22
AVDD18_7
23
TXON[3]
24
TXOP[3]
25
AGND_4
26
RXIP[3]
27
RXIN[3]
28
AVDD18_8
29
AVDD18_9
30
RXIN[4]
31
RXIP[4]
32
AGND_5
33
TXOP[4]
34
TXON[4]
35
AVDD18_10
36
ITEST1
37
ITEST2
38
ITEST3
39 DGND_1
40 RESET#
41 ITEST4
42 DISDUALMII(MODESET4)
43 DVDD18_1
44
P4MODE[1](MODESET3)
45
P4MODE[0](MODESET2)
46P4FLCTRL/CPU_INTERRUPT#
47 P4SPDSTA
48
P4DUPSTA/HOME_CRS
49P4LNKSTA#
50 DGND_2
51
MTXC/PRXC/CTRL_REFCLK1
52M(R)TXEN/PRXDV
53 DVDD18_2
54
M(R)TXD[0]/PRXD[0]/LEDMODE[0]
55
M(R)TXD[1]/PRXD[1]/LEDMODE[1]
56
MTXD[2]/PRXD[2]/P4IRTAG[0]
57
MTXD[3]/PRXD[3]/P4IRTAG[1]
58MCOL/PCOL
59
MRXC/PTXC/REFCLK1
60
MRXDV/PTXEN/CRSDV
61
M(R)RXD[0]/PTXD[0]
62 DVDD33_1
63
M(R)RXD[1]/PTXD[1]
64 DGND_3
65
ITEST5
66
MRXD[2]/PTXD[2]
67
MRXD[3]/PTXD[3]
68
SEL_MIIMAC#/DISDSPRI
69
EN_AUTOXOVER
70
DVDD18_3
71
EN_RST_BLNK
72
ITEST6
73
PHY2PRXD[0]/M(R)2TXD[0]/ENEEPROM
74
SCL_MDC
75
SDA_MDIO
76
PHY2PRXD[1]/M(R)2TXD[1]/GXENFC
77
PHY2PRXD[2]/M2TXD[2]/GYENFC
78
PHY2PRXD[3]/M2TXD[3]/ENBKPRS
79
DGND_4
80
PHY2PRXDV/M(R)2TXEN/DISBRDCTRL
81
PHY2PRXC/M2TXC/CTRL_REFCLK2
82
PHY2PTXC/M2RXC/REFCLK2
83
DISPORTPRI[0]/PHY2PTXEN/M2RXDV/CRSDV2
84
DISPORTPRI[1]/PHY2PTXD[0]/M(R)2RXD[0]
85
DISPORTPRI[2]/PHY2PTXD[1]/M(R)2RXD[1]
86
DISPORTPRI[3]/PHY2PTXD[2]/M2RXD[2]
87
DVDD33_2
88
DISPORTPRI[4]/PHY2PTXD[3]/M2RXD[3]
89
PHY2PCOL/M2COL/LED_BLNK_TIME
90
LOOPLED#/ENDEFER
91
LED_ADD[4]/DISTAGPRI
92
LED_ACT[4]/DISHOMEPLUG
93
LED_SPD[4]/DISVLAN
94
DGND_5
95
LED_DUP[4]/SETGROUP
96
LED_ADD[3]/MODESET1
97
LED_ACT[3]/EN48PASS1
98
LED_SPD[3]/DISARP
99
LED_DUP[3]/MODESET0
100
DVDD18_4
101
LED_ADD[2]/DISLEAKY
102
DGND_6
103
LED_ACT[2]/P4ANEG
104
LED_SPD[2]/GXANEG
105
LED_DUP[2]/GYANEG
106
DVDD33_3
107
LED_ADD[1]/GXSPD100
108
LED_ACT[1]/GYSPD100
109
LED_SPD[1]/GXFULL
110
LED_DUP[1]/GYFULL
111
LED_ADD[0]/ENFORWARD
112
DGND_7
113
LED_ACT[0]/BCINDROP
114
LED_SPD[0]/MAX1536
115
LED_DUP[0]
116
CK25MOUT
117
OSCI
118
HVDD33
119
AVDD18_11
120
X1
121
X2
122
AGND_6
123
VCTRL
124
DTEST2
125
DTEST1
126
AGND_7
127
IBREF
128
AVDD18_12
4 9 . 9
1%
R1303
EPHY_TXOP3
S9
33
R1332
A1.8_ETHUB
EPHY_RDP
1 0 : P 1 2
SETGROUP
AM19
1.69K
1%
R1324
DUP3_GYMODE S26
EPHY_RXIN3
X14
DUP3_GYMODE
AM13
EPHY_TXON1
14:AF10
EPHY_TDP
1 0 : P 1 1
A1.8_ETHUB
0 . 1 u F
C1319
DISDUALMII AD18
4 9 . 9
1%
R1312
EPHY_RXIN1
14:AF8
EPHY_TXOP0
14:U11
EPHY_TDN
1 0 : P 1 1
0 . 1 u F
C1304
PHY2PTXEN W27
0 . 1 u F
C1314
BLM18PG121SN1D
L1305
4 9 . 9
1%
R1313
ETHUB_MDIO
5:AB18;AM6
BLM18PG121SN1D
L1306
ETHUB_MDC 5:AB18;AM7
0 . 1 u F
C1309
0 . 1 u F
C1315
EPHY_TXOP1
14:AF11
A3.3_ETHUB
D1.8_ETHUB
EPHY_RXIP3
X14
EPHY_RDN
1 0 : P 1 2
GYSPD
AJ24
0 . 1 u F
C1336
OPT
LAN_LINK1 14:AG6
LAN_ACT1 14:AG5
4 9 . 9
1%
R1302
EPHY_RXIN0
14:U9
EPHY_RXIP1
14:AF9
EPHY_TXOP3
W14
18pF 50V C1345
1K
OPT
R1352
470
R1353
270
1%
R1323
0 . 1 u F
C1306
GXFULL P21
GXMODE
AM14
0 . 1 u F
C1310
OPT
4 9 . 9
1%
R1311
P4MODE0 AD19
0 R1356
0
R1357
+A_2.5V
22 R1377
22
R1376
ENDEFER
5:AG16
+3.5V_ST
0 . 1 u F
16V
C1307 0 . 1 u F
16V
C1326
OPT
10K
R1375
D3.3_ETHUB
HUB_POWER
5:AG17
A3.3_ETHUB
BLM18PG121SN1D
L1302
2SC3052
Q1301
E
B
C
NFM18PS105R0J
6.3V
C1340
OUT IN
GND
47K
R1304
0 . 1 u F
16V
C1341
AO3407A
Q1300
G
D
S
2.2K
OPT
R1305
1K
R1306
0
R1314
AP1117E18G-13
IC1301
2
OUT
3
IN
1
ADJ/GND
0 . 1 u F
16V
C1343
OPT
1K
R1337
2 . 2 u F
10V
C1300
22uF
6.3V
C1303
22uF
6.3V
C1330
22uF
6.3V
OPT
C1337
22uF
6.3V
C1302
22uF
6.3V
C1312
22uF
6.3V
C1301
22uF
OPT
C1342
22uF
6.3V
C1334
OPT
BLM18PG121SN1D
L1300
BLM18PG121SN1D
L1301
BLM18PG121SN1D
L1303
10uF
6.3V
C1328
ETHERNET HUB
13
18
D i f f e r e n t i a l 1 0 0 o h m
N o V i a
C l o s e t o
CONFIG FOR MAC5
P l a c e t o c e n t e r p o s i t i o n b e t w e e n t w o c h i p s
P l a c e c l o s e t o c h i p
BCM TO RTL matching
STRAPPING PIN CONFIG
P l a c e C l o s e T o R T L 8 3 0 6
P l a c e C l o s e T o R T L 8 3 0 6
P H Y 2 P R X D V : B r o a d c a s t s t r o m c o n t r o l e n a b l e / d i s a b l e
P H Y 2 P R X D 3 : B a c k p r e s s u r e e n a b l e / d i s a b l e
E N D E F E R : D e f e r e n a b l e / d i s a b l e
EN_AUTOXOVER : Auto cross over enable/disable
P l a c e c l o s e t o c h i p
LV555H-UA
2 0 1 0 . 1 2 . 1 0
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