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+24V
+24V_AMP
L1200
UBW2012-121F
AUD_LRCH
From DACLRCH
AUD_LRCK
AUD_SCK
R1202
100
I2C_SDA7
R1203
100
I2C_SCL7
C1201
33pF
50V
+3.3V_NORMAL
R1201
10K
R1204
C
100
C1200
R1200
B
Q1200
AMP_MUTE
1000pF
MMBT3904(NXP)
50V
10K
E
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Main AMP
+3.3V_NORMAL
R1213
AMP_RESET_N
100
L1201
C1227
1/16W
1000pF
BLM18PG121SN1D
50V
AUD_MASTER_CLK
C1226
C1205
10uF
0.1uF
10V
16V
NC_1
1
VDD_PLL
2
THERMAL
NC_2
3
C1203
1uF
GND
10V
4
NC_3
5
C1204
1uF
DVDD
6
10V
SDATA
7
WCK
8
BCK
9
SDA
10
C1202
33pF
50V
+24V_AMP
C1208
C1210
0.1uF
10uF
50V
35V
OUT1B
30
PGND1B
29
C1212
22000pF
BST1B
50V
41
28
VDR1
27
NC_4
IC1200
26
AGND
NTP7514
25
EAN62886101
VDR2
24
0x54
BST2A
23
PGND2A
22
C1213
22000pF
OUT2A
50V
21
+24V_AMP
C1211
0.1uF
C1209
50V
10uF
35V
C1207
22000pF
50V
L1202
10uH
SP-7850_10
R1205
5.6
1/10W
C1216
390pF
50V
C1217
390pF
50V
R1206
5.6
1/10W
L1205
10uH
SP-7850_10
C1214
C1215
1uF
1uF
10V
10V
L1203
10uH
SP-7850_10
R1207
5.6
1/10W
C1218
390pF
50V
C1219
390pF
50V
R1208
5.6
L1204
1/10W
10uH
SP-7850_10
SPK_L+
R1209
C1222
0.1uF
4.7K
50V
C1220
0.47uF
50V
C1223
R1210
SPEAKER_L
0.1uF
50V
4.7K
SPK_L-
SPK_R+
C1224
R1211
0.1uF
4.7K
C1221
50V
0.47uF
50V
SPEAKER_R
C1225
R1212
0.1uF
4.7K
50V
SPK_R-
WAFER-ANGLE
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R-
1
P1200
UB83
2013-10-28
MAIN AMP
12
LGE Internal Use Only
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