LG 22LV2500 Service Manual page 23

RGB/SPDIF/PC/HP
New Item Development
EARPHONE BLOCK
HP_LOUT
C1118
002:V7 10uF
16V C1115
1000pF
50V
R1125
C
OPT 1K
Q1101 B
MMBT3904-(F)
E
HP_ROUT
C1119
002:V7 10uF
16V
C1116
C
1000pF
50V
Q1102 B
R1128
OPT
MMBT3904-(F)
1K
B
E
PC AUDIO
JK1102
PEJ027-01
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
R1107
D1101
R_SPRING C1107
15K
4 AMOTECH
100pF R1102
5.6V 50V 470K
OPT
T_SPRING
5
B_TERMINAL2
7B
D1102
T_TERMINAL2 C1108 R1103
6B
AMOTECH
100pF 470K
5.6V
50V
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.
E
JK3301
+3.3V_Normal
MMBT3904-(F) KJA-PH-0-0177
B Q1104
GND 5
C
L 4
R1155
1K
DETECT 3
HP_DET
R 1
E
MMBT3904-(F)
Q1103
C
SPDIF OPTIC JACK
PC_R_IN
0 0 2 : S 1 2
R1110
10K
R1108
15K
PC_L_IN 0 0 2 : S 1 2
R1111
10K
+3.5V_ST
C
R1129
3.3K B
SIDE_HP_MUTE
Q1106
2SC3052
E
+3.3V_Normal
GND
VCC
VINPUT
SPDIF_OUT
C1131
C1121
0 . 1 u F
002:T18
100pF
16V
50V
RGB PC
D1115
ENKMC2838-T112
A1
C
A2
RGB_EEMPROM_ATMEL
RGB_EEMPROM_RENESAS IC1105
IC1105-*1 AT24C02BN-SH-T
R1EX24002ASAS0A
A0 VCC
1 8
A0 VCC
1 8
A1 W P
2 7
A1 W P
2 7
A2 SCL
3 6
A2 SCL
3 6
GND SDA
4 5
VSS SDA
4 5
C1127 C1128 R1141
22
18pF 18pF
50V 50V
DSUB_VSYNC
DSUB_HSYNC
C1126
C1122 D1113
D1109
68pF D1114
68pF
30V
50V
50V 5.6V
OPT 30V
OPT
OPT
DSUB_B+
R1133 D1110
75 30V
DSUB_G+
R1135 D1111
75 30V
DSUB_R+
D1112
R1137
30V
75
GP2R
RGB/SPDIF/HP
+5V_Normal
C1129
R1142
0 . 1 u F
10K
16V
EDID_WP
RGB_DDC_SCL
RGB_DDC_SDA
R1143
22
D1116
5.6V
OPT
+3.3V_Normal
R1146
10K
DSUB_DET
R1147
1K
D1117
5.6V
OPT
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