LG 40LX770H Service Manual page 47

OPT
R8619
EXT_SPK_DET
R8610
47K
HP_DET
HP_DET
TP8601
R8618
AMP_RESET_N
OPT
+3.5V_ST
10K
R8621
R8608
EXT_SPK_MUTE
10K
EXT_SPK_LOUT_MAIN
EXT_SPK_ROUT_MAIN
EXT_SPK OUT(Single End)
JK8600
PEJ034-01
E_SPRING
3
R_SPRING
4
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
C8672
1uF
10V
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
@area
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
X66791502.cir/086.sht
15/08/27
@suppr THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
@compC
@refer
@partN
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
EXT_SPK AMP
+3.5V_ST
+13V_AMP
R8617
47K
OPT
0
L8601
UBW2012-121F
OPT
C
Q8601
B
MMBT3904(NXP)
OPT
C8670
E
0.1uF
50V
Close to Pin3
1K
EXT_AMP_14Y
IC8601
+3.5V_ST
TPA3124D2PWPR
4.7K
PVCCL_1 PGNDL_2
R8607
1 24
R8620
100
C SD PGNDL_1
2 23
Q8602
B
MMBT3904(NXP)
PVCCL_2 LOUT
3 22
E
C8615
0.22uF
R8609 MUTE BSL
50V
4 21
10K
1uF
C8610 LIN AVCC_2
10V
5 20
1uF
RIN AVCC_1
C8611
10V
6 19
Close to AMP IC
BYPASS GAIN0
7 18
AGND_1 GAIN1
8 17
AGND_2 BSR
9 16
C8616
0.22uF
PVCCR_1 ROUT
50V
10 15
C8671
1uF
VCLAMP PGNDR_2
50V 11 14
PVCCR_2 PGNDR_1
C8612
12 13
1uF
50V
C8673
10uF C8613
0.1uF
35V
50V
Close to Pin10
EXT_OUT_R
EXT_SPK_DET
EXT_OUT_L
OPT OPT
Connected Disconnected
C8618 C8614
1uF +3.5V_ST
1uF
10V
10V High
Low
R8616
15K
EXT_SPK_DET
VA8600-*1 VA8600
ICVS0505201FR 5.6V
Multi_Innochips
Default_Amotech
EXT_AMP_15Y_CI
IC8601-*1
PAM8124
PVCCL_1 PGNDL_2
1 24
SD PGNDL_1
2 23
PVCCL_2 LOUT
3 22
MUTE BSL
4 21
LIN AVCC_2
5 20
RIN AVCC_1
6 19
BYPASS GAIN0
C8608 C8609 7 18
0.1uF
10uF AGND_1 GAIN1
8 17
50V
35V
AGND_2 BSR
9 16
Close to Pin1
PVCCR_1 ROUT
10 15
VCLAMP PGNDR_2
11 14
PVCCR_2 PGNDR_1
12 13
Close to AMP IC
EXT_OUT_L
L8603
C8657 C8659 R8615
R8602
22.0uH
0.47uF 0.47uF 10K
4.7K
50V 50V
NON_LINE_OUT R8615-*1
OPT
1.6K
1%
C8658 C8660 LINE_OUT
R8603
0.47uF 0.47uF
4.7K
22.0uH 50V 50V
L8604 OPT
EXT_OUT_R
R8614
10K
R8614-*1
NON_LINE_OUT
R8604 1.6K
10K
1%
R8611
OPT
LINE_OUT
10K
OPT
R8605 R8612
10K
10K
Close to Pin19,20
C8675
C8674
0.1uF
10uF 50V
35V
LX760H 2015.3.11
20 24
EXT. SPK
LGE Internal Use Only