LG 47LH90 Service Manual page 26

+3.3V
R1204
10K
R1212
D1244
C1206 1K
COMP_JACK
CDS3C05HDMI1
100pF
5.6V
JK1206
50V
PPJ227-01 OPT
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 C1252
D1245 R1215
47pF
75
ADUC30S03010L_AMODIODE
50V
30V 1%
7H [RD]C-LUG-L
8C [RD]C-LUG-S
9G [WH]E-LUG
L1217
R1211
BG2012B080TF 10K
8M [WH]C-LUG-S_1
C1251
D1243
R1208
ADMC5M03200L_AMODIODE 100pF
470K
5.6V 50V
7G [WH]C-LUG-L
8B [WH]C-LUG-S_2
9F [RD]E-LUG
L1218
R1205
BG2012B080TF
4N [RD]O-SPRING-S_1 10K
3N [RD]CONTACT-S_1 C1250
R1206
D1242
100pF
470K
ADMC5M03200L_AMODIODE 50V
5.6V
5F [RD]O-SPRING-L
6F [RD]CONTACT-L
4A [RD]O-SPRING-S_2
3A [RD]CONTACT-S_2
SIDE_AV
ADUC30S03010L_AMODIODE
D1215
JK1202
30V
PPJ218-01 R1238
75
[YL]O_SPRING
4A
[YL]CONTACT
5A
D1221 C1219
[YL]U_CAN ADMC5M03200L_AMODIODE
2A 100pF
5.6V
[WH]C_LUG
3B
[WH]U_CAN
2B L1206
BG2012B080TF
[RD]O_SPRING
4C
D1213
R1246
ADMC5M03200L_AMODIODE
470K
[RD]CONTACT 5.6V
5C
L1207
[RD]U_CAN BG2012B080TF
2C
D1214
R1247
ADMC5M03200L_AMODIODE
470K
5.6V
RS-232C
R1278
R1276 0
4.7K
DBG_RX
R1279
R1275 0 4.7K
DBG_TX
C1229 0.33uF
IC1201
MAX3232CDR
C1231 0.1uF
C1+ VCC
1 16
0.1uF
V+ GND
2 15
C1230
C1- 3 14 DOUT1
C2+ RIN1
4 13
C2- ROUT1
5 12
C1232 0.1uF
V- DIN1
6 11
C1233 0.1uF
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
R1281
100
R1282
100
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.
AV +3.3V
COMPONENT1
R1237
10K 001:AR23
Neet to pull up 3.3V R1240
1K
AV_CVBS_DET
D1220
ADMC5M03200L_AMODIODE
001:AR23
5.6V
001:D27
COMP1_Y
D1208 R1241
ADUC30S03010L_AMODIODE 75
30V
ZENER
001:D27
COMP1_PB
D1209 R1242
ADUC30S03010L_AMODIODE 75
30V
AV_CVBS_IN
001:D26
001:D28
COMP1_PR
D1210
R1243
ADUC30S03010L_AMODIODE
75
30V
AV_L_IN
R1210
12K
R1252
10K
D1211 C1220
R1244
ADMC5M03200L_AMODIODE 1000pF
470K
5.6V 50V
AV_R_IN
R1207
12K
R1251
10K
D1212
R1245 C1221
ADMC5M03200L_AMODIODE
470K 1000pF
5.6V
50V
L1208
BG2012B080TF
001:D26
SIDEAV_CVBS_IN
+3.3V C1227
100pF
OPT
10K
R1254
R1248 1K
001:AR23
SIDEAV_DET
R1259
001:R33
SIDEAV_L_IN
10K
C1224
100pF R1264 12K
50V
R1258
001:R33
SIDEAV_R_IN
10K
C1225 R1263 12K
100pF
50V
+3.3V_ST
L1209
BLM18PG121SN1D
C1234
0.1uF
RxD R1302
16V
220
OPT
R1284 R1299
TxD
100 220
100
R1285
OPT
D1237 D1236
50V 50V C1242 C1243
220pF
220pF 47pF 47pF
30VOPT 30VOPT
C1239
C1235 50V 50V
+5V_ST
3.3K
R1280 R1272
R1296
100K
0
100K
R1273
C
10K
B Q1274
IR 2SC3052
R1295
OPT E OPT
DO JAE GEUN
COMPONENT2
+3.3V
R1277
10K
001:AR23
R1283
1K
COMP1_DET COMP2_DET
D1231
ADMC5M03200L_AMODIODE
5.6V
001:D31
COMP2_Y
D1226 R1286
ADUC30S03010L_AMODIODE 75
30V
001:D31
COMP2_PB
D1227
R1287
ADUC30S03010L_AMODIODE
75
30V
001:D31
COMP2_PR
D1228 R1288
ADUC30S03010L_AMODIODE 75
30V
001:R33
R1292
10K
COMP2_L_IN
D1229
C1237
ADMC5M03200L_AMODIODE R1289
001:R32 1000pF
470K
5.6V
50V
COMP1_L_IN
001:R33
R1291
10K
COMP2_R_IN
D1230
R1290 C1238
ADMC5M03200L_AMODIODE
470K
5.6V 1000pF
50V
001:R32
COMP1_R_IN
JK1203
KCN-DS-1-0088
1
6
2
7
3
8
4
+5V_ST
9
5
3.3K 10
R1274
C
B Q1200
2SC3052
E
male
Serial Port
RGB PC
R1253
IC1200 R1249
4.7K
AT24C02BN-10SU-1.8 4.7K
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
C1222 C1223 R1257
22
18pF 18pF
50V 50V
D1207 D1216
ADUC30S03010L_AMODIODE ADUC30S03010L_AMODIODE
30V 30V
0 R1232
001:D29
DSUB_VSYNC
0 R1233
001:D29 DSUB_HSYNC
DSUB_B
001:D28
D1217
R1234
ADUC30S03010L_AMODIODE
C1216
75
30V
OPT
001:D29 DSUB_G
C1217 D1218
R1235
ADUC30S03010L_AMODIODE
75 OPT
30V
001:D29 DSUB_R
D1219
C1218
R1236
ADUC30S03010L_AMODIODE
OPT
75
30V
JK1201
KCN-DS-1-0089
PC AUDIO
JK1205
PEJ024-01
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
D1234 R1300
R_SPRING C1240
4 ADMC5M03200L_AMODIODE 10K
R1297
100pF
5.6V
470K
50V
OPT
T_SPRING
5
B_TERMINAL2
7B
D1235 R1301
C1241
T_TERMINAL2 R1298 10K
6B ADMC5M03200L_AMODIODE 100pF
470K
5.6V 50V
OPT
SHIELD_PLATE
8
+3.3V
SPDIF OPTIC JACK
IC1203
NL17SZ00DFT2G
OPT
SPDIF_INT
R638
R1314
1K
0 A VCC
1 5
SPDIF_OUT
SPDIF_INT
001:W29 B
2
SPDIF_INT
R1313
GND Y 22
3 4
OPT
D610
R1309
22
SPDIF_BYPASS
Mstar(JUPITER
IN/OUT
+5V_VGA +5V_ST
D1223
ENKMC2838-T112
A1
C
A2
C1228
R1262
0.1uF
10K 16V
R1269
100
VGA_EEPROM_WP 001:AR22
ISP_RXD 001:AB27
ISP_TXD 001:AB27;001:AR31
R1265
22
D1224
D1222
ADMC5M03200L_AMODIODE
ADMC5M03200L_AMODIODE
5.6V
5.6V
OPT
OPT
+5V_VGA
C1226
0.1uF
16V
+5V_GENERAL
R1270
10K
DSUB_DET
R1271
D1225 1K
ADMC5M03200L_AMODIODE
5.6V
OPT
R1268
0
OPT
PC_R_IN
001:R31
R1305
R1303 0
12K
PC_L_IN
R1307 001:R32
0
R1304
12K
+5V_TU
JK601
SPDIF_INT
R1310
R1312 JST1223-001
0 0
SPDIF_BYPASS
GND
VCC
VINPUT
C1254
10pF FIX_POLE
50V C660
0.1uF
50V
08.11.19
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