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EXT_SPEAKER_AMP
EXT_SPK
R1803
100
AMP_RESET
+3.5V_ST
R1802
EXT_SPK
10K
R1800
EXT_SPK
100
C
R1801
OPT
10K
B
Q1800
SUB_AMP_MUTE
MMBT3904(NXP)
OPT
E
C1800
1uF
10V
EXT_AMP_L
EXT_SPK
EXT_SPK
EXT_AMP_R
C1801
1uF
10V
EXT_SPK
C1804
1uF
50V
EXT_SPK
C1802
1uF
50V
C1803
C1805
10uF
0 . 1 u F
16V
25V
EXT_SPK
EXT_SPK
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
+12V
L1802
EXT_SPK
EXT_SPK
L1803
BLM18PG121SN1D
C1806
C1809
C1810
0 . 1 u F
C1811
16V
10uF
10uF
0 . 1 u F
EXT_SPK
16V
25V
25V
OPT
EXT_SPK
EXT_SPK
EXT_SPK
IC1800
TPA3124D2PWPR
PVCCL_1
PGNDL_2
1
24
SD
PGNDL_1
2
23
EXT_SPK
EXT_SPK
L1804
EXT_SPK
C1812
22.0uH
R1808
PVCCL_2
LOUT
1uF
3
22
4.7K
50V
C1807
0 . 2 2 u F
MUTE
BSL
EXT_SPK
EXT_SPK
4
21
50V
C1813
R1809
EXT_SPK
1uF
L1805
4.7K
50V
22.0uH
LIN
AVCC_2
5
20
EXT_SPK
RIN
AVCC_1
6
19
R1804
10K
BYPASS
GAIN0
R1806
OPT
7
18
10K
OPT
AGND_1
GAIN1
8
17
R1805
R1807
AGND_2
BSR
10K
10K
EXT_SPK
9
16
EXT_SPK
EXT_SPK
C1808
0 . 2 2 u F
PVCCR_1
ROUT
50V
10
15
VCLAMP
PGNDR_2
11
14
PVCCR_2
PGNDR_1
12
13
SPEAKER OUT JACK
JK1800
P E J 0 3 4 - 0 1
EXT_SPK
C1816
100uF
25V
EXT_SPK_L
EXT_SPK
C1814
0 . 4 7 u F
50V
EXT_SPK
C1815
0 . 4 7 u F
50V
EXT_SPK_R
C1817
100uF
25V
EXT_SPK
EXT_SPK
E_SPRING
3
EXT_SPK_R
OPT
C1818
R1811
100pF
10K
50V
EXT_SPK
R_SPRING
4
T_SPRING
5
EXT_SPK_L
OPT
B_TERMINAL2
7B
C1819
R1812
10K
100pF
+3.3V_Normal
T_TERMINAL2
50V
EXT_SPK
6B
EXT_SPK
R1813
68K
R1815
100
EXT_SPK_DET
EXT_SPK
R1814
4.7K
OPT
2013 S7LR2
EXT_SPK
2 0 1 2 . 1 1 . 1 2
18
LGE Internal Use Only
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