LG 42LV5500-ZC / 42LV550T-ZC / 42LV550W-ZC (CHASSIS:LD12E) Service Manual ▷ View online
U
S
B
D
O
W
N
S
T
R
E
A
M
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
+3.3V_USB
R1209
100K
WIFI
R1208
100K
WIFI
R1207
100K
WIFI
C1217
4.7uF
4.7uF
WIFI
/USB_OCD1
+3.3V_Normal
R1230
0
NON_WIFI
C1215
0.1uF
WIFI
R1225
0
NON_WIFI
C1231
100uF
16V
16V
D1203
5.6V
CDS3C05HDMI1
SIDE_USB_CTL1
USB_DM1
+3.3V_USB
USB_DM2
/RST_HUB
USB_CTL1
D1206
5.6V
CDS3C05HDMI1
C1216
0.1uF
WIFI
WIFI_DP
R1224
0
NON_WIFI
+5V_USB
JK1201
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1215
100K OPT
D1202
5.6V
CDS3C05HDMI1
WIFI_ESD
+5V_USB
+3.3V_USB
R1216
100K OPT
R1213
100K
OPT
OPT
R1220
4.7K
OPT
4.7K
OPT
C1206
0.1uF
WIFI
C1211 15pF
WIFI
L1202
MLB-201209-0120P-N2
WIFI 120-ohm
R1205
1M
1M
1%
WIFI
SIDE_USB_OCD2
+3.3V_Normal
USB_DP2
X1201
24MHz
24MHz
WIFI
C1213 15pF
WIFI
C1220
10uF
10V
/USB_OCD2
C1223
0.1uF
C1230
100uF
16V
16V
C1207
0.1uF
WIFI
C1209
1uF
10V
WIFI
SIDE_USB_DP
+3.3V_USB
USB_DP2
C1219
10uF
10V
C1218
0.1uF
OPT
L1205
MLB-201209-0120P-N2
120-ohm
D1201
5.6V
CDS3C05HDMI1
WIFI_ESD
R1229
0
NON_WIFI
C1205
0.1uF
WIFI
R1228
0
NON_WIFI
+3.3V_Normal
SIDE_USB_CTL2
SIDE_USB_DP
JK1202
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1222
2.7K
2.7K
SIDE_USB_DM
USB_DM1
C1212
1uF
10V
WIFI
R1223
2.7K
2.7K
/USB_OCD1
C1208
0.1uF
WIFI
USB_CTL2
D1205
5.6V
CDS3C05HDMI1
/USB_OCD2
C1214
0.1uF
WIFI
R1214
100K OPT
USB_CTL2
R1227
0
NON_WIFI
C1224
0.1uF
0.1uF
SIDE_USB_OCD1
USB_CTL1
R1206
100K
WIFI
USB_DP1
C1204
1uF
10V
1uF
10V
WIFI
WIFI_DM
R1226
0
NON_WIFI
+5V_USB
WIFI_DP
SIDE_USB_DM
USB_DP1
P1201
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
L1203
BLM18PG121SN1D
WIFI
WIFI_DM
R1221
4.7K
OPT
4.7K
OPT
+3.3V_USB
R1212
100K
100K
OPT
C1210
0.1uF
WIFI
USB_DM2
R1204
12K
1/16W
1%
WIFI
L1204
MLB-201209-0120P-N2
120-ohm
D1204
5.6V
CDS3C05HDMI1
IC1204
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC1203
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
R1233
0
WIFI
R1232
0
WIFI
IC1202
USB2512B-AEZG
WIFI
1
USBDM_DN[1]
3
USBDM_DN[2]
7
NC_2
9
NC_4
10
VDDA33_2
11
TEST
12
PRTPWR[1]/BC_EN[1]
13
OCS_N[1]
14
CRFILT
15
VDD33_1
16
PRTPWR[2]/BC_EN[2]
17
OCS_N[2]
18
NC_5
19
NC_6
20
NC_7
21
NC_8
22
SDA/SMBDATA/NON_REM[1]
23
VDD33_2
24
SCL/SMBCLK/CFG_SEL[0]
25
HS_IND/CFG_SEL[1]
26
RESET_N
27
VBUS_DET
28
SUSP_IND/LOCAL_PWR/NON_REM[0]
29
VDDA33_3
30
USBDM_UP
31
USBDP_UP
32
XTALOUT
5
VDDA33_1
8
NC_3
6
NC_1
4
USBDP_DN[2]
2
USBDP_DN[1]
33
XTALIN/CLKIN
34
PLLFILT
35
RBIAS
36
VDD33_3
37
[EP]VSS
R1231
0
NON_WIFI
C1232
100uF
16V
16V
WIFI
C1233
0.1uF
16V
0.1uF
16V
WIFI
C1234
0.1uF
16V
0.1uF
16V
WIFI
D1207
RCLAMP0502BA
OPT
D1208
RCLAMP0502BA
OPT
D1201,D1202
D1203,D1204
D1205,D1206
D1203,D1204
D1205,D1206
BCM35230
USB
12
1ST : EAH42720601 2ND : EAH60994401
USB + WIFI
USB / DVR Ready
USB_WIFI
DUAL COMPONENT
Close to BCM IC
For EMI
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.
R1319
100
100
M_REMOTE
R1315
100
100
M_REMOTE
3D_SYNC_RF
R1320
22
22
M_REMOTE
R1326
22
22
M_REMOTE
DD_MREMOTE
R1322
2.7K
M_REMOTE
3D_GPIO_1
3D_GPIO_0
M_REMOTE_RX
R1325
22
22
M_REMOTE
M_RFModule_RESET
3D_GPIO_2
R1321
2.7K
M_REMOTE
+3.3V_Normal
P1302
12507WR-12L
M_REMOTE
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
9
GPIO_0
10
GPIO_1
11
GPIO_2
12
3D_SYNC
13
.
+3.3V_Normal
R1317
100
100
M_REMOTE
R1323
2.7K
M_REMOTE
L1303
120-ohm
M_REMOTE
R1318
100
100
M_REMOTE
R1316
100
100
M_REMOTE
R1324
22
22
M_REMOTE
DC_MREMOTE
M_REMOTE_TX
50
M_REMOCON
ALL M_REMOTE OPTION
TI solution M_REMOTE OPTION
13
BCM35230
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.
EPHY_TDP
L1401
MLB-201209-0120P-N2
EPHY_RDP
+3.3V_Normal
EPHY_RDN
C1401
0.1uF
16V
+2.5V_BCM35230
EPHY_TDN
EPHY_ACTIVITY
EPHY_LINK
JK1401
XRJH-01A-4-DA7-180-LG(B)
1
R1
2
R2
3
R3
4
R4
5
R5
6
R6
7
R7
8
R8
12
SHIELD
9
R9
11
R11
10
R10[GND]
D1
YL_C
D2
YL_A
D3
GN_C
D4
GN_A
D1403
5V
LAN_ESD
D1405
5V
LAN_ESD
D1401
5.5V
LAN_ESD
D1404
5.5V
LAN_ESD
D1402
5.5V
LAN_ESD
D1406
5.5V
LAN_ESD
R1401
240
R1402
240
DUAL COMPONENT
D1401,D1402
D1403,D1404
D1405,D1406
D1403,D1404
D1405,D1406
14
ETHERNET
Ethernet Block
1ST : EAH42720601 2ND : EAH60994401
50
BCM35230
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.
TXA2P
TXACLKP
C1503
0.1uF
16V
0.1uF
16V
3D_SYNC_RF
TXDCLKP
TXA3N
TXB2N
R1514
10K
LVDS_SEL_LOW
P1501
FI-RE51S-HFK-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
PANEL_VCC
TXB3P
SCL2_3.3V
+3.3V_Normal
TXB3N
R1504
33
FRC2
P1502
FI-RE41S-HFK-A
LVDS_41P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
TXA0N
TXD2N
R1512
10K
10K
BIT_SEL_LOW
TXB0N
TXC0P
TXACLKN
TXD0N
C1501
10uF
25V
10uF
25V
OPT
TXC1P
TXC3N
TXB1P
TXC2P
TXC0N
TXBCLKP
TXC4N
TXCCLKP
TXA1P
TXD1P
TXDCLKN
SDA2_3.3V
TXCCLKN
TXBCLKN
R1507
33
FRC2
TXD0P
TXB4N
TXB2P
TXC4P
TXD4P
TXA1N
TXB4P
TXD3N
R1506
33
FRC2
TXB1N
TXA0P
R1508
33
FRC2
TXC2N
R1513
3.3K
LVDS_SEL_HIGH
TXA2N
TXA3P
TXC1N
TXD3P
TXD2P
TXA4N
TXD1N
TXC3P
FRC_RESET
TXA4P
TXD4N
TXB0P
C1502
1000pF
50V
1000pF
50V
L1501
MLB-201209-0120P-N2
NON_SHARP_60INCH
R1516
33
SHARP_OPT
PANEL_CTL
C1504
2.2uF
50V
2.2uF
50V
LVDS_41P
LVDS_SEL
BCM35230
50
15
LVDS
FHD120Hz LVDS output(51pin+41Pin)
BIT_SEL
REVERSE MARK
2010.11.03
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