5.6 Receiver & Speaker trouble
Check Points
- Speaker soldering status
- Audio amp & Analog switch soldering status
- 79 -
5. Trouble shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR
D2
INA1
D1
INA2
INB1
C2
INB2
C1
D5
OUT+
OUT-
B5
P
G
N
D
C
4
P
V
D
D
C
5
D4
RXIN+
RXIN-
B4
C3
SCL
B3
SDA
V
D
D
B
1
V
S
S
A
3
U200
MAX9877AEWP_TG45
EUSY0360201
BIAS
B2
A4
C1N
A5
C1P
G
N
D
D
3
A2
HPL
A1
HPR
I
N
D
0
1
2
C
u
1
1
0
2
C
u
1
8
0
2
C
u
1
7
0
2
C
2
.
8
0
0
2
R
u
1
3
0
2
C
2
1
2
C
p
7
2
u
1
6
0
2
C
u
1
9
0
2
C
VBAT
u
1
1
1
2
C
u
2
.
2
0
0
2
C
2
0
2
C
u
2
.
2
VBAT
2
.
8
1
0
2
R
p
7
2
3
1
2
C
R
_
D
N
S
_
B
B
P
_
V
C
R
_
K
P
S
N
_
V
C
R
_
K
P
S
L
_
D
N
S
_
M
F
P
_
R
A
E
N
_
R
A
E
L
_
O
S
H
R
_
O
S
H
L
_
D
N
S
_
B
B
R
_
D
N
S
_
M
F
L
C
S
_
C
2
I
A
D
S
_
C
2
I
U200
TP1
TP2
TP3
TP4
TP1
TP3
TP4
TP2
Receiver & Speaker
0
0
4
A
V
1
0
4
C
p
9
3
H
n
0
0
1
3
0
4
L
5
0
4
C
p
2
2
1
0
4
A
V
CN400
24- 8000- 002- 000- 829
ENEY0003801
1
2
0
0
4
L
H
n
0
0
1
p
2
2
4
0
4
C
N
_
V
C
R
_
K
P
S
P
_
V
C
R
_
K
P
S
Содержание KP500
Страница 1: ...Service Manual Model KP500 Service Manual KP500 Date October 2008 Issue 1 0 Internal Use Only ...
Страница 119: ... 120 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ... 128 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 147: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 148 ...
Страница 169: ...Note ...
Страница 170: ...Note ...