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EXT_SPEAKER_AMP
MAIN_AMP_RESET
R8600
100
R8601
10K
B
EXT_SPK_MUTE
OPT
EXT_SPK_LOUT_MAIN
EXT_SPK_ROUT_MAIN
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
+24V_AMP
L8600
BLM18PG121SN1D
L8604
BLM18PG121SN1D
C8609
C8606
0.1uF
50V
0.1uF
R8603
50V
100
IC8600
TPA3124D2PWPR
+3.5V_ST
PVCCL_1
PGNDL_2
R8602
1
24
10K
SD
PGNDL_1
2
23
C
L8602
22.0uH
PVCCL_2
LOUT
Q8600
3
22
MMBT3904(NXP)
C8607
OPT
E
0.22uF
MUTE
BSL
4
21
50V
C8600
L8603
1uF
22.0uH
10V
LIN
AVCC_2
5
20
RIN
AVCC_1
6
19
C8601
1uF
BYPASS
GAIN0
10V
7
18
C8602
AGND_1
GAIN1
1uF
8
17
50V
AGND_2
BSR
9
16
C8608
0.22uF
PVCCR_1
ROUT
50V
10
15
VCLAMP
PGNDR_2
11
14
C8603
PVCCR_2
PGNDR_1
1uF
12
13
50V
C8604
C8605
4.7uF
0.1uF
50V
50V
C8610
4.7uF
50V
C8616
100uF
25V
EXT_OUT_L
C8612
C8614
R8608
1uF
0.47uF
4.7K
50V
50V
C8613
C8615
R8609
C8617
1uF
0.47uF
4.7K
100uF
50V
50V
25V
EXT_OUT_R
R8604
10K
R8606
OPT
10K
OPT
R8605
R8607
10K
10K
EXT_SPK OUT(Single End)
JK8600
PEJ027-04
E_SPRING
3
T_TERMINAL1
6A
EXT_OUT_R
OPT
R8611
C8618
B_TERMINAL1
470K
7A
100pF
50V
OPT
R_SPRING
4
T_SPRING
5
EXT_OUT_L
OPT
B_TERMINAL2
7B
R8614
C8619
470K
100pF
OPT
T_TERMINAL2
50V
6B
R8613
1K
+3.3V_NORMAL
R8612
15K
EXT_SPK_DET
EXT_SPK_DET
Connected
Disconnected
High
Low
xxLP860H-ZA
2012.12.10
EXT_SPK
86
LGE Internal Use Only
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