42LV4400 LC420EUG-RDV2-7R1 - LG TV Service Manual (repair manual). Page 121

Read LG 42LV4400 LC420EUG-RDV2-7R1 Service Manual online

A
A
A
A
AO1AUXL
AO1AUXR
ROUT+
ROUT-
GAIN0
R-
L+
L-
R+
AO1AUXR
AL0
AO1AUXL
AR0
GAIN1
GAIN0
LOUT+
MUTE_AMP
LOUT-
HW_MUTE
MUTE_AMP
OFF_MUTE
LINE OUT_MUTE
A_MUTE
ADIN2
MUTE_lineout
MUTE_lineout
GND
AL0
AR0
GAIN1
AUD_Vref
AMPVCC_OP
AMPVCC_AP
AMPVCC_OP
AMPVCC_AP
AMP_VCC
AUD_Vref
AMPVCC_OP
AMP_VCC
AMPVCC_AP
+3V3SB
+5VSB
+3V3SB
+12V
AUD_Vref
AMPVCC_OP
AMPVCC_AP
+12V
LINE OUT_MUTE
8
AL0
8
AR0
8
LINE OUT_MUTE
8
ADIN2
8
ADIN2
8
MUTE_lineout
12
GND
1,2,3,4,5,6,7,8,9,10,11,12,14,15,16
AL0
8
AR0
8
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO AMP - SPEAKER
47LV4400(364705220150)
13
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO AMP - SPEAKER
47LV4400(364705220150)
13
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
AUDIO AMP - SPEAKER
47LV4400(364705220150)
13
17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
NEAR MT5387
ENABLE
DISABLE
MUTE_AMP
SPEAKER
OUTPUT
0 (GND)
1 (VREG)
Close to IC
1
32
36
0
1
GAIN ( dB )
1
1
26
GAIN1
0
0
GAIN0
20
0
30
60
Input Zi (Kohm)
9
15
close to J5
NEAR MT5387
AC ON
AC OFF
0511 ADD 
0511 modify footprint
R834
20K_F
R834
20K_F
+ CE34
100uF/16V
+ CE34
100uF/16V
D27
BAV70
D27
BAV70
1
2
3
+ CE129
100uF/16V
+ CE129
100uF/16V
R356
4K7
R356
4K7
R355 47K
R355 47K
D26
NC/LL4148WP
D26
NC/LL4148WP
C89
4.7uF/10V
C89
4.7uF/10V
L29
0
0805R
L29
0
0805R
C99
0.22uF/16V
C99
0.22uF/16V
R836
5K11_F
R836
5K11_F
R82
47K
R82
47K
C32
1uF/25V
C32
1uF/25V
C15
1000pF/50V
C15
1000pF/50V
L28
NC/22uH/2.2A
L28
NC/22uH/2.2A
C11
1000pF/50V
C11
1000pF/50V
C13
1000pF/50V
C13
1000pF/50V
+ CE77
470uF/16V
+ CE77
470uF/16V
C92
1uF/16V
C92
1uF/16V
R354
NC/47K
R354
NC/47K
R63
10K
R63
10K
R897
0
R897
0
R331
NC/100K
R331
NC/100K
C98
1uF/16V
C98
1uF/16V
C96
0.68uF/16V
C96
0.68uF/16V
R839
5K11_F
R839
5K11_F
C10
1uF/25V
C10
1uF/25V
R317
47K
R317
47K
C297
NC/4.7uF/25V
C297
NC/4.7uF/25V
+
-
U50B
NJM4558M
SOP8
+
-
U50B
NJM4558M
SOP8
5
6
7
8
4
R329
10K
R329
10K
L32
NC/22uH/2.2A
L32
NC/22uH/2.2A
C27
1uF/25V
C27
1uF/25V
R846
4K7_F
R846
4K7_F
C24
1000pF/50V
C24
1000pF/50V
R852
100
R852
100
C75
0.22uF/16V
C75
0.22uF/16V
L41
22uH/2.5A
L41
22uH/2.5A
+
-
U50A
NJM4558M
SOP8
+
-
U50A
NJM4558M
SOP8
3
2
1
8
4
L30
NC/22uH/2.2A
L30
NC/22uH/2.2A
Q70
KN3906S
Q70
KN3906S
2
1
3
Q8
KN3904S
Q8
KN3904S
2
1
3
J5
2R50-1X4M
J5
2R50-1X4M
1
2
3
4
C88
4.7uF/10V
C88
4.7uF/10V
R576
NC/47K
R576
NC/47K
L44
22uH/2.5A
L44
22uH/2.5A
Q66
KN3906S
Q66
KN3906S
2
1
3
R851
47K_F
R851
47K_F
R349
1K
R349
1K
L34
NC/22uH/2.2A
L34
NC/22uH/2.2A
C557
100pF/50V
C557
100pF/50V
U51B
TPA3110LD2
U51B
TPA3110LD2
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
C78
NC/0.22uF/16V
C78
NC/0.22uF/16V
C12
1000pF/50V
C12
1000pF/50V
C286
0.1uF/25V
C286
0.1uF/25V
C23
1uF/25V
C23
1uF/25V
R837
5K11_F
R837
5K11_F
+ CE37
100uF/16V
+ CE37
100uF/16V
R315
10K
R315
10K
D29
LL4148WP
D29
LL4148WP
L33
0
0805R
L33
0
0805R
U51A
TPA3110LD2
U51A
TPA3110LD2
SD
1
FAULT
2
LINP
3
LINN
4
GAIN0
5
GAIN1
6
AVCC
7
AGND
8
GVDD
9
PLIMT
10
RINN
11
RINP
12
NC
13
PBTL
14
PVCC
15
PVCC
16
BSP
17
OUTP
18
PGND
19
OUTP
20
BSP
21
BSN
22
OUTN
23
PGND
24
OUTN
25
BSN
26
PVCC
27
PVCC
28
GND
29
R68
10K
R68
10K
R578
1K5
R578
1K5
R83
4K7
R83
4K7
R838
5K11_F
R838
5K11_F
Q30
KN3904S
Q30
KN3904S
2
1
3
R847
4K7_F
R847
4K7_F
R316
NC/390K
R316
NC/390K
C559
1uF/25V
C559
1uF/25V
R81
10
R81
10
C268
1000pF/50V
C268
1000pF/50V
R853
47K_F
R853
47K_F
C66
0.1uF/16V
C66
0.1uF/16V
+ CE24
100uF/16V
+ CE24
100uF/16V
R835
20K_F
R835
20K_F
C400
NC/1uF/25V
0805C
C400
NC/1uF/25V
0805C
R586
100K
R586
100K
C26
1000pF/50V
C26
1000pF/50V
C94
0.68uF/16V
C94
0.68uF/16V
C93
0.68uF/16V
C93
0.68uF/16V
R308
100
R308
100
C102
0.22uF/16V
C102
0.22uF/16V
C558
100pF/50V
C558
100pF/50V
C399
NC/1uF/25V
0805C
C399
NC/1uF/25V
0805C
C18
1uF/25V
C18
1uF/25V
C103
0.22uF/16V
C103
0.22uF/16V
L48
80ohm/6A
L48
80ohm/6A
R309
2K_F
R309
2K_F
D28
BAV70
D28
BAV70
1
2
3
R590
NC/0
R590
NC/0
R898
0
R898
0
R580
1K5
R580
1K5
R886
47K
R886
47K
C298
4.7uF/25V
C298
4.7uF/25V
D25
BAV70
D25
BAV70
1
2
3
R587
NC/100K
R587
NC/100K
R73
10K
R73
10K
R76
0
R76
0
R577
NC/47K
R577
NC/47K
L36
22uH/2.5A
L36
22uH/2.5A
ZD7
NC
ZD7
NC
2
1
L31
0
0805R
L31
0
0805R
D23
LL4148WP
D23
LL4148WP
+ CE33
100uF/16V
+ CE33
100uF/16V
L45
22uH/2.5A
L45
22uH/2.5A
C267
1000pF/50V
C267
1000pF/50V
L55
0
L55
0
C562
0.1uF/25V
C562
0.1uF/25V
C564
0.1uF/16V
C564
0.1uF/16V
R591
0
R591
0
R307
100
R307
100
L35
0
0805R
L35
0
0805R
C265
1uF/25V
C265
1uF/25V
L54
80ohm/6A
L54
80ohm/6A
C97
0.68uF/16V
C97
0.68uF/16V
C86
1uF/25V
C86
1uF/25V
+
CE130
100uF/16V
+
CE130
100uF/16V
C560
0.1uF/25V
C560
0.1uF/25V
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Display
Click on the first or last page to see other 42LV4400 LC420EUG-RDV2-7R1 service manuals if exist.
Random: