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RGB/SPDIF/PC/HP/USB
EARPHONE BLOCK
HP_LOUT
C1118
10uF
16V
HEAD_PHONE
HEAD_PHONE
C1115
R1125
1000pF
C
1K
HEAD_PHONE
50V
Q1101
B
OPT
MMBT3904(NXP)
E
HP_ROUT
C1119
10uF
16V
HEAD_PHONE
HEAD_PHONE
C1116
R1128
C
1000pF
1K
Q1102
B
50V
MMBT3904(NXP)
OPT
HEAD_PHONE
E
USB_DIODES
EAN61849601
IC1103
AP2191DSG
NC
8
1
L1100
CIS21J121
OUT_2
$ 0 . 0 7 7
7
2
120
R1105
R1106
OUT_1
2K
2K
6
3
1/8W
1/8W
C1117
5%
5%
22uF
FLG
16V
5
4
R1109
47
D1100
RCLAMP0502BA
OPT
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_OUT
C1109
C1110
R1104
22uF
10uF
10K
16V
16V
OPT
OPT
OPT
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 © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
HEAD_PHONE
E
JK1101
+3.3V_Normal
KJA-PH-0-0177
B
Q1104
GND
5
MMBT3904(NXP)
C
HEAD_PHONE
L
4
R1155
1K
DETECT
3
HEAD_PHONE
HP_DET
Q1105
HEAD_PHONE
MMBT3906(NXP)
R
1
E
B
Q1103
MMBT3904(NXP)
C
HEAD_PHONE
GND
+5V_USB
IN_1
C1111
C1112
IN_2
10uF
0 . 1 u F
10V
+3.3V_Normal
EN
R1113
4.7K
OPT
USB1_CTL
R1112
10K
USB1_OCD
SIDE_USB_DM
SIDE_USB_DP
+3.3V_Normal
C1131
C1121
0 . 1 u F
100pF
16V
50V
RGB PC
+3.5V_ST
DSUB_VSYNC
DSUB_HSYNC
C
R1129
3.3K
B
SIDE_HP_MUTE
HEAD_PHONE
Q1106
MMBT3904(NXP)
E
HEAD_PHONE
DSUB_B+
DSUB_G+
DSUB_R+
PC AUDIO
JK1102
PEJ027-04
D1115
MMBD6100
A2
C
A1
R1140
R1139
C1129
2.2K
2.2K
16V
C1127
C1128
R1141
18pF
18pF
22
50V
50V
OPT
C1126
C1122
D1113
D1109
D1114
68pF
68pF
20V
20V
5.6V
50V
50V
10pF
10pF
200pF
OPT
OPT
D1110
R1133
20V
75
10pF
RGB_ZENER
D1111
R1135
75
20V
10pF
RGB_ZENER
D1112
R1137
20V
75
10pF
RGB_ZENER
E_SPRING
3
T_TERMINAL1
6A
R1107
B_TERMINAL1
15K
7A
PC_R_IN
OPT
R_SPRING
C1107
D1101
R1110
4
100pF
R1102
5.6V
10K
50V
470K
200pF
T_SPRING
5
R1108
B_TERMINAL2
15K
7B
PC_L_IN
OPT
T_TERMINAL2
C1108
R1103
D1102
6B
R1111
5.6V
100pF
470K
10K
50V
200pF
EMEA INTERACTIVE
+5V_Normal
0 . 1 u F
RGB_DDC_SCL
RGB_DDC_SDA
R1143
22
OPT
D1116
5.6V
200pF
+3.3V_Normal
R1146
10K
DSUB_DET
R1147
1K
OPT
D1117
5.6V
200pF
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
1 1
INTERFACE
LGE Internal Use Only
2 0
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