LG 47LH90 (CHASSIS:LA92C) Service Manual ▷ View online
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.
R606
100
C610
10uF
10uF
10V
R619
4.7K
POWER_DET
+24V_AMP
R616
5.6
0.01uF
C643
50V
0.01uF
C640
50V
0.1uF
C620
50V
0.1uF
C627
50V
0.1uF
C608
SPK_L- 006:AH10
R621
3.3
+1.8V_AMP
0.1uF
C636
50V
L611
120-ohm
0.1uF
C625
50V
OPT
+3.3V
+24V
R625
3.3
3.3
C644
0.01uF
50V
0.01uF
50V
SPK_R-
006:AJ16
R610
0
C631
1000pF
50V
C611
1uF
10V
C612
33pF
50V
33pF
50V
C633
0.47uF
50V
C628
DEV.68uF
C604
100pF
50V
R617
4.7K
0.01uF
C642
50V
R614
5.6
R620
4.7K
R624
3.3
D604
100V
1N4148W
OPT
L605
MLB-201209-0120P-N2
R618
4.7K
MS_SCK
001:W26
R622
3.3
SPK_R-
006:AH9
C617
1uF
10V
+1.8V_AMP
0.1uF
C635
50V
R623
3.3
D602
100V
1N4148W
OPT
R626
3.3
3.3
SDA_SUB/AMP
001:AI5;004:K27
C622
1uF
16V
+3.3V_ST
MS_LRCH
001:W26
R605
100
R611
10K
0.1uF
C613
50V
C634
0.47uF
50V
R601
100
R602
3.3K
R607
100
R608
100
C607
1000pF
50V
R613
5.6
R627
0
OPT
Q600
2SC3052
E
B
C
R604
100
C629
1000pF
50V
L607
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
L603
MLB-201209-0120P-N2
C630
1000pF
50V
SPK_R+
006:AJ18
C606
1000pF
50V
C619
1uF
16V
0.1uF
C626
50V
L608
120-ohm
D603
100V
1N4148W
OPT
SPK_L+
006:AH11
R600
0
SCL_SUB/AMP
001:AI5;004:K27
0.01uF
C615
50V
L606
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
C600
10uF
16V
C614
22000pF
50V
SPK_L+
006:AJ22
C616
33pF
50V
33pF
50V
OPT
R609
33K
OPT
AUDIO_MASTER_CLK
001:W26
+1.8V_AMP
R603
0
0
AMP_MUTE
001:D16
P600
WAFER-ANGLE
1
SPK_R-
2
SPK_R+
3
SPK_L-
4
SPK_L+
L610
120-ohm
L604
MLB-201209-0120P-N2
L602
MLB-201209-0120P-N2
0.1uF
C621
50V
C632
1000pF
50V
0.01uF
C639
50V
+24V_AMP
SPK_L-
006:AJ20
AMP_RST
001:AB21
C609
33pF
50V
33pF
50V
C618
22000pF
50V
+24V_AMP
C601
0.1uF
50V
MS_LRCK
001:W26
SPK_R+ 006:AH10
L609
120-ohm
D601
100V
1N4148W
OPT
C623
22000pF
50V
C603
10uF
16V
0.1uF
C637
50V
0.1uF
C645
50V
R615
5.6
C602
DEV.68uF
R612
10K
C624
22000pF
50V
0.1uF
C605
50V
0.01uF
C641
50V
0.1uF
C638
50V
IC600
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
HP_AU_SW
R637
15K
BT_OPT
+5V_GENERAL
R642
47K
OPT
BT_LOUT
IC601
MC74HC4066ADR2G
BT_OPT
3
YB
2
YA
4
XB
1
XA
6
CONTROL_C
5
CONTROL_B
7
GND
8
XC
9
YC
10
YD
11
XD
12
CONTROL_D
13
CONTROL_A
14
VCC
R640
3K
BT_OPT
R630
680K
680K
BT_OPT
BT_AU_SW
C650
0.1uF
16V
0.1uF
16V
BT_OPT
BT_LOUT
BT_LOUT_AMP
Q601
2SC3052
BT_OPT
E
B
C
C651
0.1uF
16V
0.1uF
16V
OPT
C648
2.2uF
2.2uF
16V
BT_OPT
R650
1K
BT_OPT
R632
0
BT_OPT
HP/BT_LOUT
R631
0
BT_OPT
R636
47K
BT_OPT
R634
680K
680K
BT_OPT
L600
CIC21J501NE
BT_OPT
+5V_GENERAL
R629
680K
680K
BT_OPT
C647
0.1uF
16V
0.1uF
16V
BT_OPT
C649
0.1uF
16V
0.1uF
16V
BT_OPT
R641
3K
BT_OPT
C652
10uF
6.3V
BT_OPT
R628
10K
BT_OPT
R635
10K
BT_OPT
BT_ROUT
C653
22uF
16V
BT_OPT
C646
2.2uF
16V
BT_OPT
R639
470
BT_OPT
R633
680K
680K
BT_OPT
Q602
2SA1530A-T112-1R
BT_OPT
E
B
C
+5V_GENERAL
+12V
+5V_GENERAL
+5V_GENERAL
HP/BT_ROUT
2A => 5A
SPEAKER_R
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
Audio
35V/8.0PI
3 15
35V/8.0PI
AUDIO
SPEAKER_L
Mstar(JUPITER)
08.11.19
KIM JONG HYEUN
BT & HP AUDIO SWITCH / AMP
F
i
b
e
r
O
p
t
i
c
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.
R1282
100
L1217
BG2012B080TF
D1229
5.6V
ADMC5M03200L_AMODIODE
COMP1_L_IN
001:R32
R1215
75
75
1%
C1232
0.1uF
R1258
10K
JK1201
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AV_CVBS_DET
001:AR23
R1251
10K
10K
R1300
10K
10K
D1244
5.6V
CDS3C05HDMI1
ZENER
C1235
220pF
50V
PC_L_IN
001:R32
R1289
470K
470K
D1236
30VOPT
D1242
5.6V
ADMC5M03200L_AMODIODE
+5V_ST
D1218
30V
ADUC30S03010L_AMODIODE
R1273
100K
+3.3V
R1274
3.3K
C1221
1000pF
50V
1000pF
50V
R1235
75
75
C1217
OPT
L1206
BG2012B080TF
SIDEAV_R_IN
001:R33
R1248
10K
D1214
5.6V
ADMC5M03200L_AMODIODE
C1226
0.1uF
0.1uF
16V
R1252
10K
10K
COMP1_PB
001:D27
R1304
12K
+5V_TU
C1240
100pF
50V
COMP2_DET
001:AR23
JK601
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
D610
OPT
R1247
470K
470K
+3.3V
COMP1_Y
001:D27
C1243
47pF
50V
47pF
50V
C1250
100pF
50V
R1301
10K
10K
R1268
0
OPT
OPT
R1204
10K
R1241
75
C1227
100pF
OPT
R1284
100
100
OPT
R1291
10K
10K
D1225
5.6V
ADMC5M03200L_AMODIODE
OPT
L1208
BG2012B080TF
AV_CVBS_IN
001:D26
SPDIF_OUT
001:W29
DSUB_R
001:D29
R638
1K
OPT
C1223
18pF
18pF
50V
JK1202
PPJ218-01
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
C1219
100pF
IC1200
AT24C02BN-10SU-1.8
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
SIDEAV_L_IN
001:R33
C1251
100pF
50V
R1276
0
C1206
100pF
50V
OPT
R1293
12K
SIDEAV_DET
001:AR23
D1235
5.6V
ADMC5M03200L_AMODIODE
OPT
D1228
30V
ADUC30S03010L_AMODIODE
R1283
1K
1K
COMP2_PR
001:D31
R1298
470K
470K
+3.3V
D1213
5.6V
ADMC5M03200L_AMODIODE
D1217
30V
ADUC30S03010L_AMODIODE
C1216
OPT
C1234
0.1uF
16V
0.1uF
16V
D1210
30V
ADUC30S03010L_AMODIODE
C1230
0.1uF
DSUB_G
001:D29
C1233
0.1uF
R1287
75
D1224
5.6V
ADMC5M03200L_AMODIODE
OPT
R1249
4.7K
C1224
100pF
50V
R1272
100K
COMP2_L_IN
001:R33
R1240
1K
1K
R1281
100
R1269
100
C660
0.1uF
50V
0.1uF
50V
R1262
10K
R1234
75
75
R1257
22
22
COMP2_PB
001:D31
R1244
470K
470K
+3.3V
SIDEAV_CVBS_IN
001:D26
JK1205
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
D1234
5.6V
ADMC5M03200L_AMODIODE
OPT
R1271
1K
1K
R1275
0
D1227
30V
ADUC30S03010L_AMODIODE
IC1201
MAX3232CDR
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
R1245
470K
JK1203
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
C1237
1000pF
50V
1000pF
50V
C1229
0.33uF
R1243
75
R1263
12K
R1299
220
220
+5V_VGA
AV_R_IN
C1218
OPT
D1212
5.6V
ADMC5M03200L_AMODIODE
R1285
100
OPT
D1216
30V
ADUC30S03010L_AMODIODE
R1238
75
L1209
BLM18PG121SN1D
R1242
75
R1255
12K
DSUB_HSYNC
001:D29
R1211
10K
10K
D1209
30V
ADUC30S03010L_AMODIODE
+3.3V_ST
R1307
0
0
R1254
1K
1K
R1259
10K
R1210
12K
R1207
12K
D1222
5.6V
ADMC5M03200L_AMODIODE
OPT
L1218
BG2012B080TF
R1305
0
0
JK1206
PPJ227-01
COMP_JACK
9N
[GN]E-LUG
5K
[GN]O-SPRING-L
6K
[GN]CONTACT-L
4E
[GN]O-SPRING-S
3E
[GN]CONTACT-S
9M
[BL]E-LUG
7J
[BL]C-LUG-L
8D
[BL]C-LUG-S
9L
[YL]E-LUG
4L
[YL]O-SPRING-S
3L
[YL]CONTACT-S
7H
[RD]C-LUG-L
8C
[RD]C-LUG-S
9G
[WH]E-LUG
8M
[WH]C-LUG-S_1
7G
[WH]C-LUG-L
8B
[WH]C-LUG-S_2
9F
[RD]E-LUG
4N
[RD]O-SPRING-S_1
3N
[RD]CONTACT-S_1
5F
[RD]O-SPRING-L
6F
[RD]CONTACT-L
4A
[RD]O-SPRING-S_2
3A
[RD]CONTACT-S_2
R1212
1K
R1270
10K
R1279
4.7K
4.7K
R1246
470K
D1211
5.6V
ADMC5M03200L_AMODIODE
C1238
1000pF
50V
1000pF
50V
VGA_EEPROM_WP
001:AR22
DSUB_DET
R1297
470K
470K
R1236
75
C1252
47pF
50V
47pF
50V
R1286
75
C1225
100pF
50V
D1231
5.6V
ADMC5M03200L_AMODIODE
D1226
30V
ADUC30S03010L_AMODIODE
+5V_GENERAL
R1205
10K
10K
R1294
12K
C1231 0.1uF
DSUB_VSYNC
001:D29
D1215
30V
ADUC30S03010L_AMODIODE
C1222
18pF
50V
D1208
30V
ADUC30S03010L_AMODIODE
ZENER
D1245
30V
ADUC30S03010L_AMODIODE
DBG_RX
COMP1_R_IN
001:R32
R1256
12K
D1221
5.6V
ADMC5M03200L_AMODIODE
C1242
47pF
50V
47pF
50V
R1237
10K
COMP2_R_IN
001:R33
R1233
0
Q1200
2SC3052
2SC3052
E
B
C
C1220
1000pF
50V
1000pF
50V
R1208
470K
470K
D1223
ENKMC2838-T112
A1
C
A2
R1290
470K
R1277
10K
+5V_ST
R1265
22
22
D1207
30V
ADUC30S03010L_AMODIODE
R1206
470K
470K
AV_L_IN
D1230
5.6V
ADMC5M03200L_AMODIODE
+3.3V
ISP_TXD
001:AB27;001:AR31
R1232
0
C1228
0.1uF
16V
L1207
BG2012B080TF
D1219
30V
ADUC30S03010L_AMODIODE
C1241
100pF
50V
R1278
4.7K
4.7K
DBG_TX
R1288
75
ISP_RXD
001:AB27
DSUB_B
001:D28
COMP1_PR
001:D28
COMP1_DET
001:AR23
D1237
30VOPT
PC_R_IN
001:R31
R1253
4.7K
4.7K
COMP2_Y
001:D31
D1220
5.6V
ADMC5M03200L_AMODIODE
R1302
220
C1239
220pF
50V
R1292
10K
10K
D1243
5.6V
ADMC5M03200L_AMODIODE
+5V_VGA
R1303
12K
IR
R1264
12K
+5V_ST
R1280
0
R1295
10K
OPT
R1296
3.3K
OPT
Q1274
2SC3052
2SC3052
OPT
E
B
C
IC1203
NL17SZ00DFT2G
SPDIF_INT
3
GND
2
B
4
Y
1
A
5
VCC
R1309
22
22
SPDIF_BYPASS
R1310
0
SPDIF_BYPASS
R1312
0
SPDIF_INT
R1313
22
22
SPDIF_INT
R1314
0
0
SPDIF_INT
C1254
10pF
50V
10pF
50V
RxD
PC AUDIO
male
Serial Port
Neet to pull up 3.3V
RGB PC
SPDIF OPTIC JACK
AV
COMPONENT1
TxD
RS-232C
SIDE_AV
COMPONENT2
DO JAE GEUN
15
Mstar(JUPITER
08.11.19
IN/OUT
1
D-sub RGB
HDMI 1
Side AV2
CVBS, L/R
DDR2 (1Gbit)
HYB18TC1G160C2F-2.5
NAND Flash
(512Mbit)
Digital Audio
(Optic)
USB
Digital AMP
NTP3100L
4x1
HDMI Switch
(TDA9996HL)
I2S
NVRAM
RGB/H/V
DDR_Data[0:15], DQS, DM …
DDR2 (1Gbit)
HYB18TC512160B2F-2.5
Data[16:31]
Addr.[ ], ctrl. data
MAX3232
PCM_A [0 … 7]
IF +/-
SIF
TU_CVBS
X-tal
Reset / IF_AGC …
SDA/SCL_5V
Reset Switch
JTAG
CLK,TDI,TDO,MS,RST
AV1
Component 1
Y Pb Pr, L/R
CVBS, L/R
HDMI 4
CS ,RE,WE……
Component 2
Y Pb Pr, L/R
Audio L/R
Audio L/R
(for RGB)
HDMI 2
HDMI 3
SPDIF
DP/DM/ +5V
RX/TX
RX/TX
Reset IC
(MAX809RTR)
12MHz
JACK PACK
JACK PACK
at REAR
at REAR
SCL, SDA_3.3V
FRC IC
(MST7323S)
DDR2(256Mbit)
Qimonda/Hynix
FRC Block
FRC Block
LVDS
LCD Module
(FHD, 120Hz)
Local
Dimming
(LG1130)
(LG1130)
RF
MSD3368GV
RS-232C
(CTRL./SVC)
LVDS
Reset
TDVW
-
H103F
LGDT3305
TDVW
-
H103F
MSD3368GV
Video Signal Block
Video Signal Block
DS_AGCI_CTL
DSUB_R
DSUB_G
DSUB_B
SC1_G
SC1_R
SC1_B
COMP_Y+
COMP_PR+
COMP_PB+
SIDE_CVBS
SC2_CVBS
EDSAFE_IF_P
EDSAFE_IF_N
SD_CVBS1
DSUB_HSYNC
DSUB_VSYNC
DSUB_R
DSUB_G
DSUB_B
DSUB_HSYNC
DSUB_VSYNC
COMP1_Y
COMP1_Pr
COMP1_Pb
COMP2_Y
COMP2_Pr
COMP2_Pb
AV_CVBS_IN
SIDEAV_CVBS_IN
4x1
HDMI Switch
(TDA9996HL)
RXCCKP
RXCCKN
RXC0P
RXC0N
RXC1P
RXC1N
RXC2P
RXC2N
HDMI_RX2+/-
HDMI_RX1+/-
HDMI_RX0+/-
HDMI_CLK+/-
D2+/-_HDMI1
D1+/-_HDMI1
D0+/-_HDMI1
CK+/-_HDMI1
CEC_REMOTE
CEC_REMOTE
CEC_REMOTE
CEC_REMOTE
IF +/-
SIF
TU_CVBS
Reset / IF_AGC …
SDA/SCL_5V
RF
LGDT3305
D2+/-_HDMI2
D1+/-_HDMI2
D0+/-_HDMI2
CK+/-_HDMI2
D2+/-_HDMI3
D1+/-_HDMI3
D0+/-_HDMI3
CK+/-_HDMI3
D2+/-_HDMI4
D1+/-_HDMI4
D0+/-_HDMI4
CK+/-_HDMI4
Click on the first or last page to see other 47LH90 (CHASSIS:LA92C) service manuals if exist.