LG 47LF11 (CHASSIS:LA92G) Service Manual ▷ View online
C
2009
- 29 -
300
200
400
806
804
520
540
530
805
122
310
120
510
803
802
801
900
500
510
A2
LV1
A10
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts
are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as recommended
in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as recommended
in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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.
30V
D1209
ZENER
ADUC30S03010L
COMP1_Y
001:D27
1K
R638
100pF
50V
C1240
+3.3V_ST
12K
R1263
AV_L_IN
75
R1288
100
OPT R1284
12K
R1255
R1255
VGA_EEPROM_WP
001:AR22
100
OPT
R1285
5.6V
D1243
ADMC5M03200L
ZENER
COMP2_PB
001:D31
COMP1_L_IN
001:R32
220
R1299
KCN-DS-1-0088
JK1203
1
2
3
4
5
6
7
8
9
10
10K
R1259
30V
D1208
ZENER
ADUC30S03010L
470K
R1244
1K
R1271
0.1uF
C1230
10K
R1292
30V
D1217 ADUC30S03010L
ZENER
12K
R1293
100pF
50V
C1225
75
R1236
10K
R1205
0.1uF
16V
C1228
5.6V
D1212
ADMC5M03200L
ZENER
+5V_GENERAL
F i b e r O p t i c
JST1223-001
JK601
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
30V
OPT
D1237
ADUC30S03010L
75
R1241
470K
R1298
470K
R1289
+5V_GENERAL
100pF
50V
C1224
SIDEAV_DET
001:AR23
18pF
50V
C1223
220pF
50V
C1235
1000pF
50V
C1238
DSUB_DET
COMP2_PR
001:D31
+3.3V
PC_L_IN
001:R32
+5V_ST
AV_R_IN
0
R1232
12K
R1294
COMP2_DET
001:AR23
75
R1234
1000pF
50V
C1220
5.6V OPT
D1234
ADMC5M03200L
10K
R1252
ENKMC2838-T112
D1223
A1
C
A2
OPT
D610
220
R1302
COMP2_R_IN
001:R33
OPT
C1216
470K
R1290
3.3K
R1274
+3.3V
0.1uF
C1231
30V
D1215
ADUC30S03010L
ZENER
1K
R1283
470K
R1208
0.33uF
C1229
1K
R1240
0
R1307
ISP_RXD
001:AB27
100
R1269
100K
R1273
10K
R1300
18pF
50V
C1222
10K
R1277
4.7K
R1279
R1279
100pF
50V
C1251
30V
D1226
ADUC30S03010L
ZENER
100pF
50V
OPT
C1206
75
R1238
470K
R1247
30V
D1216
ADUC30S03010L
ZENER
10K
R1237
75
R1287
12K
R1210
DBG_RX
0
R1275
+3.3V
COMP1_PB
001:D27
75
1%
R1215
22
R1257
BG2012B080TF
L1218
PC_R_IN 001:R31
DSUB_B
001:D28
AV_CVBS_DET
001:AR23
COMP1_PR
001:D28
+3.3V
10K
R1204
5.6V
D1230
ADMC5M03200L
ZENER
0.1uF
16V
C1234
12K
R1207
12K
R1256
R1256
470K
R1245
47pF
50V
C1243
1000pF
50V
C1221
ISP_TXD
001:AB27;001:AR31
10K
R1211
30V
D1210 ADUC30S03010L
ZENER
30V
D1219
ADUC30S03010L
ZENER
IR
100pF
50V
C1241
1K
R1212
30V
D1227
ADUC30S03010L
ZENER
SIDEAV_R_IN
001:R33
KCN-DS-1-0089
JK1201
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BG2012B080TF
L1217
47pF
50V
C1242
75
R1242
5.6V
D1211
ADMC5M03200L
ZENER
DSUB_HSYNC
001:D29
470K
R1246
+5V_ST
0.1uF
C1233
47pF
50V
C1252
10K
R1251
100
R1281
10K
R1262
5.6V
OPT
D1225
ADMC5M03200L
5.6V
D1221
ADMC5M03200L
ZENER
10K
R1248
BLM18PG121SN1D
L1209
30V
D1245
ADUC30S03010L
ZENER
0
R1276
1000pF
50V
C1237
5.6V
D1220
ADMC5M03200L
ZENER
75
R1243
SIDEAV_CVBS_IN
001:D26
OPT
C1218
100pF
C1219
0.1uF
50V
C660
5.6V
D1231
ADMC5M03200L
ZENER
PEJ024-01
JK1205
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
DSUB_G
001:D29
220pF
50V
C1239
470K
R1297
75
R1286
75
R1235
5.6V
D1213
ADMC5M03200L
ZENER
100pF
OPT
C1227
DSUB_R
001:D29
0
R1305
COMP1_R_IN
001:R32
DSUB_VSYNC
001:D29
AV_CVBS_IN
001:D26
10K
R1258
COMP2_Y
001:D31
30V
OPT
D1236
ADUC30S03010L
22
R1265
OPT
C1217
SIDEAV_L_IN
001:R33
470K
R1206
10K
R1301
0
R1233
12K
R1264
1K
R1254
PPJ218-01
JK1202
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
100
R1282
COMP2_L_IN
001:R33
DBG_TX
4.7K
R1278
R1278
5.6V
D1242
ADMC5M03200L
ZENER
+3.3V
10K
R1270
0 OPT
R1268
SPDIF_OUT
001:W29
12K
R1304
10K
R1291
30V
D1218
ADUC30S03010L
ZENER
2SC3052
Q1200
E
B
C
100K
R1272
4.7K
R1249
BG2012B080TF
L1208
BG2012B080TF
L1207
12K
R1303
4.7K
R1253
5.6V
D1229
ADMC5M03200L
ZENER
30V
D1228
ADUC30S03010L
ZENER
100pF
50V
C1250
0.1uF
C1232
BG2012B080TF
L1206
30V
D1207
ADUC30S03010L
ZENER
5.6V
D1214
ADMC5M03200L
ZENER
COMP1_DET
001:AR23
5.6V OPT
D1235
ADMC5M03200L
AT24C02BN-10SU-1.8
IC1200
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5.6V
OPT
D1224
ADMC5M03200L
5.6V
OPT
D1222
ADMC5M03200L
MAX3232CDR
IC1201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
5.6V
ZENER
D1244
ADMC5M03200L
PPJ227-01
JK1206
9
N
[GN]E-LUG
5
K
[GN]O-SPRING-L
6
K
[GN]CONTACT-L
4
E
[GN]O-SPRING-S
3
E
[GN]CONTACT-S
9
M
[BL]E-LUG
7
J
[BL]C-LUG-L
8
D
[BL]C-LUG-S
9L
[YL]E-LUG
4
L
[YL]O-SPRING-S
3
L
[YL]CONTACT-S
7
H
[RD]C-LUG-L
8
C
[RD]C-LUG-S
9
G
[WH]E-LUG
8
M
[WH]C-LUG-S_1
7
G
[WH]C-LUG-L
8
B
[WH]C-LUG-S_2
9
F
[RD]E-LUG
4
N
[RD]O-SPRING-S_1
3
N
[RD]CONTACT-S_1
5
F
[RD]O-SPRING-L
6
F
[RD]CONTACT-L
4
A
[RD]O-SPRING-S_2
3
A
[RD]CONTACT-S_2
TxD
Serial Port
RxD
COMPONENT2
male
SIDE_AV
COMPONENT1
AV
R,G,B PC&DDC
SPDIF OPTIC JACK
PC AUDIO
COMPONENT1/2,AV1
RS-232C
C
2009
IN / OUT
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.
12K
R556
+1.8V_HDMI
DDC_SCL_3
005:AE6;005:AF25
D1+_HDMI4
005:AF20
0
R544
DDC_SCL_2
D2-_HDMI3
0
R
588
5V_HDMI_2
DDC_SCL_4
CK+_HDMI3
005:AE6
D1+_HDMI1
005:Z11
KJA-ET-0-0032
JK503
14
NC
13
CEC
5
DATA1_SHIELD
20
JACK_GND
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
D2+_HDMI3
005:AG6
CK-_HDMI3
+3.3V_HDMI
0
R503
QJ41193-FEE2-7F
JK501
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
5V_HDMI_3
D0+_HDMI3
0
R593
47K
R534
47K
R547
3.6K
R501
OPT
4.7K
R552
OPT
HDMI_RX1-
DDC_SCL_4
5V_HDMI_3
0
R510
+3.3V_ST
DDC_SCL_1
5V_HDMI_4
0
R508
DDC_SDA_1
CK-_HDMI2
005:AM12
0
R
587
0
R577
HPD4
CK+_HDMI4
AVRL161A1R1NT
VR501
OPT
CK-_HDMI4
005:AH20
GND
0
OPT
R560
DDC_SCL_4
005:AH20;005:AM25
D1+_HDMI2
0R
5
9
8
0.1uF
16V
C505
OPT
CK-_HDMI1
D2-_HDMI1
5V_HDMI_1
JP503
D1-_HDMI3
005:AF6
CEC_REMOTE
005:H8;005:H26;005:H17;005:L27;005:AM11
+3.3V_ST
2K
R541
0.1uF
16V
C520
0.1uF
C530
HDMI_SCL
+3.3V_HDMI
HPD2
+3.3V_ST
0.1uF
C511
D1-_HDMI3
CK-_HDMI3
005:AE6
0
R571
0.1uF
16V
C510
D0+_HDMI4
005:AG20
0
R524
BLM18PG121SN1D
L501
HPD4
005:AI20
CEC_REMOTE
005:H8;005:H26;005:L27;005:R8;005:AM11
D0+_HDMI1
005:Z12
D0-_HDMI3
005:AF6
M M
B D
3 0
1 L
T 1
G
D500
D1+_HDMI1
CB3216PA501E
L500
5V_HDMI_1
001:AT28;005:Q22;005:AA14
0
R
589
CK+_HDMI2
005:AM12
CEC_REMOTE
005:H8;005:H26;005:H17;005:R8;005:AM11
47K
R538
0R
5
9
5
CK+_HDMI1
005:Z12
0.1uF
C516
47K
R546
0
OPT
R527
D1-_HDMI4
DDC_SDA_2
D2-_HDMI4
D2+_HDMI4
005:AF20
0.1uF
C526
HPD1
0.
1u
F
C521
+1.8V_HDMI
0
R580
0R
5
9
7
JP506
JP507
JP502
0.1uF
16V
C529
0
R548
D0-_HDMI1
D0+_HDMI1
D1+_HDMI2
005:AM14
HPD2
005:AM11
AVRL161A1R1NT
VR504
OPT
+5V_ST
D0-_HDMI1
005:Z12
D0-_HDMI2
HDMI_CLK+
0
R550
GND
CK+_HDMI1
D0-_HDMI2
005:AM13
0.1uF
16V
C519
0.1uF
C504
0
R
585
D2-_HDMI2
005:AM14
AVRL161A1R1NT
VR508
0
R519
0
R574
D2-_HDMI3
005:AG6
HDMI_RX0-
D2+_HDMI2
0
R539
0.1uF
C528
0.1uF
C515
JP500
D1-_HDMI4
005:AG20
D2+_HDMI1
005:Z10
0
R536
DDC_SDA_2
005:Y26;005:AM12
HDMI_CLK-
0
R525
5V_HDMI_3
D2+_HDMI2
005:AM14
GND
CK-_HDMI2
0
R572
0
R533
0
R557
0R
5
2
6
D0-_HDMI4
0
R511
D1+_HDMI3
DDC_SDA_4
0.1uF
16V
C518
AVRL161A1R1NT
VR506
OPT
0
R
576
47K
OPT
R1507
1K
R517
OPT
0.1uF
C513
68K
R528
0
R
590
D2+_HDMI1
HDMI_RX0+
D1-_HDMI1
9.1K
R529
1KR516
OPT
R549
+3.3V_HDMI
+5V_ST
CEC_REMOTE
005:H26;005:H17;005:L27;005:R8;005:AM11
CK+_HDMI2
CEC_REMOTE
0
R551
TDA9996_SDA
DDC_SDA_4
5V_HDMI_4
0
R558
0
R520
GND
0
R543
0
R513
AVRL161A1R1NT
VR502
OPT
0.1uF
16V
C512
AVRL161A1R1NT
VR505
OPT
47K
R559
0R
5
8
3
JP504
0
R540
OPT
TDA9996_SCL
DDC_SCL_1
DDC_SDA_4
005:AH20;005:AM25
0.1uF
16V
C522
D1-_HDMI2
005:AM13
+1.8V_HDMI
AVRL161A1R1NT
VR507
OPT
CEC_REMOTE
005:H8;005:H17;005:L27;005:R8;005:AM11
0R
5
9
9
0R
5
9
6
HPD3
3.6K
R518
OPT
5V_HDMI_2
001:Y20;005:W27;005:AK15
+1.8V_AMP
47K
R561
0
R
591
D1-_HDMI2
D2-_HDMI2
CK+_HDMI4
005:AH20
5V_HDMI_1
0
R
569
CK-_HDMI1
005:Z12
D1-_HDMI1
005:Z11
47K
OPT
R1505
0.1uF
16V
C508
0R
5
8
4
+3.3V_ST
0
R504
0
R581
0
R512
DDC_SCL_2
005:Y25;005:AM12
D2+_HDMI3
0.1uF
16V
C501
OPT
DDC_SCL_3
0.1uF
16V
C503
0
R
586
0.1uF
16V
C500
OPT
D1+_HDMI4
HPD1
005:Z13
47K
OPT
R1500
0.1uF
C527
D0+_HDMI2
0
R579
47K
R535
5V_HDMI_2
0.1uF
C525
JP505
DDC_SCL_1
005:R20;005:Y13
D0+_HDMI3
005:AF6
AVRL161A1R1NT
VR503
VR503
OPT
DDC_SDA_2
D2-_HDMI4
005:AF20
0
OPT
R555
HPD3
005:AD6
DDC_SDA_3
005:AE6;005:AF26
D0-_HDMI4
005:AG20
0
R505
2K
R542
1K
R521
OPT
5V_HDMI_4
001:AU28;005:AI18;005:AK27
GND
CK-_HDMI4
+3.3V
+3.3V_ST
0
R
570
0
R545
3.6K
R502
OPT
D0+_HDMI2
005:AM13
1K
R515
OPT
0.1uF
C514
47K
OPT
R1503
D2+_HDMI4
HDMI_RX2+
0R
5
8
2
DDC_SDA_1
005:R19;005:Y13
HDMI_CEC
001:C32
D0+_HDMI4
0
R509
DDC_SDA_3
QJ41193-FEE2-7F
JK502
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
D1+_HDMI3
005:AF6
0R
578
0.1uF
16V
C509
0
R523
0
R
573
4.7K
O
P
T
R553
SSM6N15FU
IC501
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
JP501
47K
R537
0
R514
0
R506
DDC_SDA_1
4.7K
O
P
T
R554
GND
0
R575
DDC_SDA_3
0.1uF
16V
C523
CK+_HDMI3
0
R
592
0.1uF
16V
C524
+3.3V_HDMI
AVRL161A1R1NT
VR500
OPT
0.1uF
16V
C506
HDMI_RX1+
0.1uF
C517
HDMI_RX2-
H D
M I_
S D
A
0
R507
DDC_SCL_2
0R
5
9
4
QJ41193-FEE2-7F
JK500
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
D0-_HDMI3
D2-_HDMI1
005:Z11
0.1uF
16V
C502
OPT
0.1uF
C507
DDC_SCL_3
3.6K
R500
OPT
0
OPT
R1501
0
OPT
R522
0
OPT
R1506
0
OPT
R1504
TDA9996HL
IC502
1
VSS_1
2
OUT_C+
3
OUT_C-
4
VDDO[3V3]
5
OUT_DDC_CLK
6
OUT_DDC_DAT
7
VSS_2
8
VDDC[1V8]_1
9
RXA_HPD
10
RXA_5V
11
RXA_DDC_DAT
12
RXA_DDC_CLK
13
RXA_C-
14
RXA_C+
15
VDDH[3V3]_1
16
RXA_D0-
17
RXA_D0+
18
VSS_3
19
RXA_D1-
20
RXA_D1+
21
VDDH[3V3]_2
22
RXA_D2-
23
RXA_D2+
24
VDDH[1V8]_1
25
NC
26
VSS_4
27
TEST
28
R X
B _
H P
D
29
RXB_5V
30
R X
B _D
D C
_ D
A T
31
R X
B _
D D
C _
C L
K
32
RXB_C-
33
RXB_C+
34
VDDH[3V3]_3
35
RXB_D0-
36
RXB_D0+
37
VSS_5
38
RXB_D1-
39
RXB_D1+
40
VDDH[3V3]_4
41
RXB_D2-
42
RXB_D2+
43
VSS_6
44
C D
E C
_ D
D C
45
VDDC[1V8]_2
46
VDDC[3V3]
47
M O
D E
48
P D
49
SDA/SEL1
50
SCL/SEL0
51
XTAL_IN
52
XTAL_OUT
53
INT/HP_CTRL
54
CDEC_STBY
55
VDDS[3V3]
56
VSS_7
57
CEC
58
RXC_HPD
59
RXC_5V
60
RXC_DDCC_DAT
61
RXC_DDC_CLK
62
RXC_C-
63
RXC_C+
64
VDDH[3V3]_5
65
RXC_D0-
66
RXC_D0+
67
VSS_8
68
RXC_D1-
69
RXC_D1+
70
VDDH[3V3]_6
71
RXC_D2-
72
RXC_D2+
73
VSS_9
74
R12K
75
VDDH[1V8]_2
76
R X
D _H
P D
77
R X
D _
5 V
78
R X
D _D
D C
_ D
A T
79
R X
D _D
D C
_ C
L K
80
RXD_DC-
81
R X
D _
D C
+
82
VDDH[3V3]_7
83
RXD_D0-
84
RXD_D0+
85
VSS_10
86
RXD_D1-
87
RXD_D1+
88
VDDH[3V3]_8
89
RXD_D2-
90
RXD_D2+
91
VDDC[1V8]_3
92
VSS_11
93
OUT_D2+
94
OUT_D2-
95
VDDO[1V8]
96
OUT_D1+
97
OUT_D1-
98
VSS_12
99
OUT_D0+
100
OUT_D0-
Net Labels changed for HDMI3
SIDE_HDMI_PORT4
For Only TDA9996 ES3
UI_HW_PORT2
UI_HW_PORT1
UI_HW_PORT3
in case HDMI Switch doesn
t support
ESD protection
Net Labels changed for HDMI2
VARISTORS(VR500/501/502/503/504/505/506/507)
on lines-HPD1/2/3/4 are all options
EDID Pull-up
* HDMI CEC
HDMI S/W For MSTAR Platform
C
2009
HDMI
Click on the first or last page to see other 47LF11 (CHASSIS:LA92G) service manuals if exist.