LG 55LH80YD-AB Service Manual page 44

A B
ANALOG IN/OUT
1
P1200
10022HS-31A02
1 COMP1_Y
001:B3
COMP2_Y
2
001:B4
COMP1_PB
3
001:B3
4 COMP2_PB
001:B4
5 COMP1_PR
001:B3
COMP2_PR
6
001:B4
7
8
COMP1_DET
9
005:C3;001:I4
COMP2_DET
10
005:C2;001:I4
11 COMP1_AUDIO_L
005:D2
12 COMP2_AUDIO_L
005:D3
COMP1_AUDIO_R
13
005:D2
2
COMP2_AUDIO_R
14
005:D3
15
16
AV1_Y_IN
17
001:B4
18 AV1_C_IN
001:B4
19 AV1_CVBS_IN
005:C3;001:B4
AV2_CVBS_IN
20
005:C3;001:B4
21
22 AV1_SVIDEO_DET
001:F5
23
24
25 AV1_CVBS_DET
005:C1;001:I4
26 AV2_CVBS_DET
005:C2;001:I4
AV1_AUDIO_L
27
005:D1
AV2_AUDIO_L
28
005:D1
29 AV1_AUDIO_R
005:D1
AV2_AUDIO_R
3 30
005:D2
31
4 RS-232 Serial Port
C1129
0.33uF
16V
IC1103
MAX3232CDR
C1+ VCC
C1105 0.1uF
1 16
16V
V+ GND
C1106 0.1uF
2 15
16V
C1- DOUT1
3 14
C2+ RIN1
C1107 0.1uF 4 13
16V
C2- ROUT1
5 12
V- DIN1
C1108 0.1uF
6 11
16V
5
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
R1131
100
R1132
100
EAX60902801(1)_AUS_JUNO
6
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.
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C
D3.3V_2
R1204
10K
R1212 1K AV1_CVBS_DET
005:B3;001:I4
C1206
100pF
50V OPT
D3.3V_2
R1248
10K
R1254 1K AV2_CVBS_DET
005:B3;001:I4
C1219
100pF
50V
D3.3V_2
R1277
10K
R1283 1K COMP2_DET
005:B2;001:I4
D3.3V_2
R1237
10K
R1240 1K COMP1_DET
005:B2;001:I4
AV1_CVBS_IN
005:B2;001:B4
C1252
47pF
50V
AV2_CVBS_IN
005:B2;001:B4
C1227
47pF
50V
D3.3V_L
L1103 BLM18PG121SN1D
C1112
0.1uF
16V
R1115 0 SYS_UART_RXD
007:C5;007:F5
R1116 0 SYS_UART_TXD
007:F5
GND_CONTACT
OPT TXD R1133
220
R1113 100
OPT RXD R1134
220
R1114 100
50V 50V C1130 C1131
220pF 220pF 47pF 47pF
C1114 C1115 50V 50V
D E
AV1_AUDIO_L R1211 10K AV1_L_IN
005:B3 001:D3
R1210
C1251
12K
100pF
50V
AV1_AUDIO_R R1205 10K AV1_R_IN
005:B3 001:D3
C1250 R1207
100pF 12K
50V
AV2_AUDIO_L R1259 10K AV2_L_IN
005:B3 001:D3
C1224 R1264
100pF 12K
50V
AV2_AUDIO_R R1258 10K AV2_R_IN
005:B3 001:D3
C1225 R1263
100pF 12K
50V
COMP1_AUDIO_L R1252 10K COMP1_L_IN
005:B2 001:D3
C1220 R1256
12K
1000pF
50V
COMP1_AUDIO_R R1251 10K COMP1_R_IN
005:B2 001:D3
C1221 R1255
1000pF 12K
50V
COMP2_AUDIO_L R1292 10K COMP2_L_IN
005:B2 001:D3
C1237 R1294
1000pF 12K
50V
COMP2_AUDIO_R R1291 10K COMP2_R_IN
005:B2 001:D3
C1238 R1293
1000pF 12K
50V
J1100
KJA-PH-1-0107
5
R_CONTACT
1
T_CONTACT
4
SWITCH_A
SWITCH_B
B A
SWITCH_C
SWITCH_D D C
SWITCH_F
F E
SWITCH_E
6
SHIELD
F G
RGB PC
R1249 R1253
IC1200
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
18pF 18pF
50V 50V
D1207 D1216
ADUC30S03010L ADUC30S03010L
R1232 0
DSUB_VSYNC
001:B3
R1233 0
DSUB_HSYNC
001:B3
DSUB_B
001:B3
D1217
R1234
C1216
75 ADUC30S03010L
OPT
DSUB_G
001:B3
D1218
R1235
C1217
ADUC30S03010L
75
OPT
DSUB_R
001:B3
D1219
R1236 C1218
ADUC30S03010L
75
OPT
JK1201
KCN-DS-3-0062
PC AUDIO
JK1205
KJA-PH-1-0107
GND_CONTACT
5
R_CONTACT
1 R1300
D1234 C1240
R1297
T_CONTACT 100pF
4 ADMC5M03200L
470K
50V
OPT
SWITCH_A
SWITCH_B R1301
A B
SWITCH_C
D1235 C1241
C D SWITCH_D R1298
100pF
ADMC5M03200L
SWITCH_F 470K
50V
E F
OPT
SWITCH_E
6
SHIELD
SPDIF OPTIC JACK
D3.3V_2 D3.3V_2
IC1203
NL17SZ00DFT2G
R1381
4.7K
A VCC
SPDIF_OUT
1 5
017:A2;009:E3
R638
R1383 1K
22
B
C1255
2
0.1uF
1/10W
50V
1%
GND Y
3 4
D610
OPT
R1382
0
OPT
JUNO-BOX
IN/OUT
H
D5.0V_VGA P5.0V_ST
D1223
ENKMC2838-T112
A1
C
A2
R1262 C1228
10K
0.1uF
16V
R1269 100
VGA_EEPROM_WP 001:I5
ISP_RXD 001:A6;001:F4
ISP_TXD 001:A6;001:F4
R1238 0
003:F3
RGB_DDC_SCL
R1239 0
R1257
RGB_DDC_SDA 003:F3
22 R1265
22
D1222
D1224
ADMC5M03200L ADMC5M03200L
OPT
OPT
D5.0V_VGA
C1226
D5.0V_1
0.1uF
16V
R1270
10K
R1271 1K
DSUB_DET
D1225
ADMC5M03200L
OPT
R1268 0
OPT
10K R1305 0
PC_R_IN
001:D3
R1303
12K
R1307 0
10K
PC_L_IN
001:D3
R1304
12K
D5.0V_1
JK601
TOX177L OPTIC TX
R1385 GND
0
OPT
R1384
0 VCC
OPT INPUT
C1254
C660
100pF 0.1uF
50V
50V
090209
5 10
LGE Internal Use Only