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.
HP_LOUT/Ext_LOUT
C8615
0.47uF
50V
OPT
HP_ROUT/Ext_ROUT
EXT_SPK_DET
C8602
1uF
50V
EXT_SPK
EXT_OUT_R
R8606
10K
OPT
EXT_OUT_R
C8614
0.47uF
50V
OPT
R8604
10K
OPT
C8603
1uF
50V
EXT_SPK
C8608
0.22uF
50V
EXT_SPK
C8607
0.22uF
50V
EXT_SPK
R8605
10K
EXT_SPK
L8602
22.0uH
EXT_SPK
IC8600
TPA3124D2PWPR
EXT_AMP_14Y
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
EXT_OUT_L
R8607
10K
EXT_SPK
EXT_OUT_L
R8608
4.7K
EXT_SPK
R8609
4.7K
EXT_SPK
+13V_AMP
C8609
0.1uF
50V
EXT_SPK
L8603
22.0uH
EXT_SPK
Q8601
MMBT3904(NXP)
OPT
E
B
C
C8611
0.1uF
50V
EXT_SPK
EXT_SPK_MUTE
+3.5V_ST
C8616
47uF
25V
EXT_SPK
C8617
47uF
25V
EXT_SPK
R8616
10K
EXT_SPK
R8617
10K
EXT_SPK
C8600
1uF
10V
EXT_SPK
C8601
1uF
10V
EXT_SPK
C8619
1uF
OPT
10V
C8618
1uF
OPT
10V
C8624
1uF
10V
HP_OUT
C8621
18pF
50V
HP_OUT
R8624
43K 1%
HP_OUT
R8620
43K
HP_OUT
SIDE_HP_MUTE
C8622
10pF
50V
HP_OUT
C8629
10pF
50V
HP_OUT
C8627
1uF
10V
HP_OUT
R8621
4.7K
HP_OUT
HP_ROUT_AMP
R8619
43K
HP_OUT
HP_LOUT_AMP
+3.3V_NORMAL
HP_LOUT/Ext_LOUT
+3.3V_NORMAL
C8623
1uF
10V
HP_OUT
R8622
43K 1%
HP_OUT
R8618
10K
HP_OUT
C8625
18pF
50V
HP_OUT
C8628
0.1uF
16V
HP_OUT
R8623
10K
HP_OUT
IC8601
TPA6138A2
HP_OUT
3
OUTR
2
-INR
4
GND_1
1
+INR
6
VSS
5
MUTE
7
CN
8
CP
9
VDD
10
GND_2
11
UVP
12
OUTL
13
-INL
14
+INL
HP_ROUT/Ext_ROUT
HP_LOUT
HP_ROUT
L8605
BLM18PG121SN1D
HP_OUT
HP_LOUT_AMP
L8606
BLM18PG121SN1D
HP_OUT
C8631
0.22uF
10V
HP_OUT
C8630
0.22uF
10V
HP_OUT
HP_ROUT_AMP
JK8600
PEJ034-01
EXT_SPK
GND
DETECT
L
R
GND
R8611
100
EXT_SPK
+3.5V_ST
R8613
10K
HP_ROUT
R8627
150
HP_OUT
HP_LOUT
R8628
10K
HP_OUT
VA8601
5.6V
Default_Amotech
HP_DET
JK8601-*1
PJ-3596T
HP_Jack_5pie
3
3
1
1
4
4
2
2
R8625
150
HP_OUT
JK8601
PJ752-F04L3BE-A
HP_Jack_6pie
3
3
1
1
4
4
2
2
R8626
100
HP_OUT
+3.5V_ST
VA8601-*1
ICVS0505201FR
Multi_Innochips
VA8600
5.6V
Default_Amotech
VA8600-*1
ICVS0505201FR
Multi_Innochips
L8600
UBW2012-121F
EXT_SPK
C8610
10uF
35V
EXT_SPK
C8612
0.47uF
50V
EXT_SPK
C8613
0.47uF
50V
EXT_SPK
C8632
0.1uF
50V
EXT_SPK
C8604
0.1uF
50V
EXT_SPK
IC8600-*1
PAM8124
EXT_AMP_15Y_CI
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
C8626
2.2uF
10V
HP_OUT
C8620
2.2uF
10V
HP_OUT
AMP_RESET_N
R8601
47K
OPT
R8610
1K
OPT
R8602
15K
OPT
+3.5V_ST
R8630
47K
OPT
Q8602
MMBT3904(NXP)
OPT
E
B
C
R8629
47K
OPT
EXT_SPK_DET
HP_DET
R8603
100
EXT_AMP_/SD
R8612
15K
EXT_SPK
R8631
0
OPT
23
EXT_SPK/HP
EXT_SPEAKER_AMP
Connected
High
EXT_SPK_DET
Disconnected
Low
EXT_SPK OUT(Single End)
HEAD PHONE AMP
xxLX761H-ZA
29
2015.02.04
HP OUT
Place at JACK SIDE
HP_DET
Low
High
Connected
Disconnected
Close to IC8600
Close to Pin1
Close to IC8600
36dB
20dB
1
0
GAIN1
1
0
32dB
0
0
1
AMP GAIN
26dB
1
GAIN0
Close to Pin19,20
Close to Pin10
Close to Pin3
P
Copyright
ⓒ
2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 49LX761H
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