LG 60LN549E Service Manual page 28

RGB/SPDIF/PC/HP/USB
EARPHONE BLOCK
HP_LOUT
C1118
10uF
16V
HEAD_PHONE
HEAD_PHONE
R1125
C
1K E
HEAD_PHONE
Q1101 B
MMBT3904(NXP)
B Q1104
MMBT3904(NXP)
E
C
HEAD_PHONE
HP_DET
HP_ROUT
C1119
10uF
16V HEAD_PHONE
HEAD_PHONE
R1128 C
E
1K
Q1102 B
MMBT3904(NXP)
B Q1103
HEAD_PHONE
MMBT3904(NXP)
E
C
HEAD_PHONE
EU_OPT
R1239
2.2K
DTV/MNT_L_OUT
EU_OPT
EU_OPT
R1241
C1160
33K
10uF
16V
EU_OPT
EU_OPT R1243
C1162
10K
33pF
EU_OPT
R1242
5.6K
SCART1_Lout
330pF 220K
C1161 R1240
EU_OPT EU_OPT
CLOSE TO MSTAR
F u l l S c a r t / C o m p 1
+3.3V_Normal
R1166
R1168
10K
1K
C1144
0 . 1 u F
16V OPT
EU_OPT
R1167
0
ESD_SCART_ZENER_ROHM
EU_OPT OPT
EU_OPT
ZD1160
R1161 C1143
AV_DET
47pF
75
22 50V
COM_GND ZD1161
21
ESD_SCART_ZENER_ROHM
SYNC_IN
20
SYNC_OUT
19
EU_OPT
SYNC_GND2
R1165
18 VA1160
75
20V
SYNC_GND1
10pF
17
EU_OPT
RGB_IO
16
R_OUT
15
RGB_GND VA1161
R1162 C1145
20V
75
14
10pF 47pF
R_GND
50V
13 OPT
D2B_OUT
12
G_OUT
11
VA1162
D2B_IN
20V R1163
C1146
10
10pF
75 47pF
G_GND
50V
9
ID OPT
8
B_OUT
7
AUDIO_L_IN
6
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3 OPT
VA1163
AUDIO_R_IN C1147
20V R1164
47pF
2
10pF 75
AUDIO_R_OUT
50V
1
PSC008-01
JK1160
C1148
L1160
R1159
120-ohm 330pF
470K
50V
L1161 C1149
R1160 120-ohm
330pF
470K
L1162
120-ohm C1150
1000pF
50V
L1163
120-ohm
C1151
1000pF
50V
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
HEAD_PHONE
JK1101
+3.3V_Normal
KJA-PH-0-0177
GND 5
L 4
+3.5V_ST
R1155
1K
DETECT 3 HEAD_PHONE
Q1105
HEAD_PHONE
MMBT3906(NXP)
R 1
R1129
3.3K
HEAD_PHONE
+12V/+15V
EU_OPT
IC1161
EU_OPT
AZ4580MTR-E1
C1164
0 . 1 u F
50V
OUT1 VCC
8
1
EU_OPT
R1251
I N 1 - OUT2 2.2K
7
2
EU_OPT
EU_OPT
R1249
IN1+ I N 2 - C1167
6 33K
3 10uF
EU_OPT 16V
R1247
VEE IN2+ 10K
5
4 EU_OPT
C1165
33pF
EU_OPT
R1248
5.6K
SCART1_Rout
EU_OPT EU_OPT
R1250 C1166
220K
330pF
CLOSE TO MSTAR
+3.3V_Normal
SC1/COMP1_DET
EU_OPT
IC1160 C1157
MM1756DURE
0 . 1 u F
EU_OPT
VCC IN
6 1
SC1_SOG_IN
PS GND
5 2
SC1_CVBS_IN
OUT BIAS
4 3
C1158
4 . 7 u F
EU_OPT
SC1_FB
EU_OPT
R1175
SC1_R+/COMP1_Pr+
22
EU_OPT
R1173
C1152
75
47pF
50V
OPT
SC1_G+/COMP1_Y+
C1153
47pF
50V
OPT
EU_OPT
R1174
15K
SC1_ID
EU_OPT
EU_OPT
VA1164
20V
R1176
10pF 3.9K
SC1_B+/COMP1_Pb+
OPT
C1154
47pF
50V
R1170
10K
SC1/COMP1_L_IN
R1171
12K
R1169
10K
SC1/COMP1_R_IN
R1172
12K
50V
DTV/MNT_L_OUT
EU_OPT
C1155
4700pF
DTV/MNT_R_OUT
EU_OPT
C1156
4700pF
SPDIF OPTIC JACK
5 . 1 5 M s t a r C i r c u i t A p p l i c a t i o n
SPDIF-JACK-SOLTEAM
JK1103-*1
JST1223-001
GND
SPDIF_OUT
VCC
VINPUT
HEAD_PHONE
C
R1180
B 10K
SIDE_HP_MUTE
Q1106
MMBT3904(NXP)
E
HEAD_PHONE
USB2_DIODES
DTV/MNT_R_OUT
USB2_NORMAL
DTV/MNT_VOUT
[SCART AUDIO MUTE]
DTV/MNT_L_OUT
EU_OPT
EU_OPT
R1246
Q1107
10K
MMBT3904(NXP) EU_OPT
EU_OPT
MMBT3906(NXP)
R1244
Q1109
2K
3 1
DTV/MNT_R_OUT
EU_OPT
EU_OPT
C1163
Q1108 2
0 . 1 u F
MMBT3904(NXP) EU_OPT
R1245
2K
USB1_DIODES
+5V_USB
USB1_NORMAL
C1117
22uF
10V
PC/AUDIO
+3.3V_Normal
JK1102
PEJ027-04
C1131 C1121
0 . 1 u F
100pF
16V
50V
USB2_NORMAL
EAN61849601
IC1107
AP2191DSG
NC GND
USB2_NORMAL
8 1
USB2_NORMAL
L1140 L1150
BLM18PG121SN1D
UBW2012-121F $ 0 . 0 7 7
USB2_NORMAL OUT_2 IN_1 USB2_NORMAL
7 2
120OHM USB2_NORMAL
C1141
C1142
R1190 R1191 OUT_1 IN_2 10uF
2K USB2_NORMAL
2K 6 3 0 . 1 u F
1/8W 10V
1/8W C1140
5%
5%
22uF
FLG EN
16V 5 4
USB2_NORMAL
R1193
USB2_NORMAL
10K
R1192
47
USB2_OCD
SIDE_USB2_DM
SIDE_USB2_DP
DSUB_VSYNC
DSUB_HSYNC
+3.5V_ST
DSUB_B+
R1154
22
R1133
SCART1_MUTE
75
DSUB_G+
R1152
R1135 D1111
22
75 20V
10pF
DSUB_R+
R1150
D1112
R1137 22
20V
75
10pF
SIDE_USB1_DM
SIDE_USB1_DP
E_SPRING
3
T_TERMINAL1
6A
R1107
B_TERMINAL1 15K
7A
PC_R_IN
R_SPRING C1107 R1110
4
100pF R1102
10K
50V 470K
T_SPRING
5
R1108
B_TERMINAL2 15K
7B
PC_L_IN
T_TERMINAL2 C1108 R1103
6B R1111
100pF 470K
10K
50V
+5V_Normal
USB2_CTL
+5V_Normal
D1115
MMBD6100
A2
C
A1
R1140
R1139 C1129
2.2K
2.2K 0 . 1 u F
16V
RGB_DDC_SCL
RGB_DDC_SDA
C1127 C1128
18pF 18pF
50V 50V
D1109 D1113
20V 20V
10pF
10pF
D1110
20V
10pF
+3.3V_Normal
R1146
10K 1K
R1147
LP63xH-ZA
2 0 1 2 . 1 1 . 0 5
1 1
INTERFACE
LGE Internal Use Only
DSUB_DET