4. Troubleshooting
AC10
AC6
AC302
AC5
A
C
11
A
R
10
CN10
AL3
A
R
213
A
C
175
A
R
208
R90
A
C
9
AR
9
C130
AC258
AC18
4
A
C
261
A
C
262
A
R
209
AC8
A
R
8
AC7
A
C
21
4
A
R2
29
A
C
13
AR242
A
C
303
AC140
A
C
14
A
R
12
R91
AL4
AC12
A
R
11
A
C
224
A
C
260
A
R
230
AC232
AC233
AC234
AC141
AC142
AC238
AC237
AR236
AR235
CN7
AL5
AC235
A
R
241
A
R
240
AC138
AC239
AR237
AC231
AC236
AC240
AR238
AC226
AC137
AL7
AR23
9
AC163
AC202
AL2
AC198
AC25
5
AC20
1
AR218
A
R
7
AC257
CN
10
CN7
* 5.2. MAIN P CB Top
3
7
1
6
-0
0
1
2
4
3
CN7
SP K_FRON T_L_P
1
0
0
N
F
SP K_FRON T_R _M
1
ST 0680231P
SP K_FRON T_L_M
P GND
P GND
PGN D
P GND
PGN D
MGND1
12
11
10
9
8
7
6
5
4
3
2
>
SP K_FRON T_R _P
SP K_CENTER_ M
SP K_CENTER_ P
AC2
5
6
9
A
C
1
3
7
1
0
0N
F
50
V
AC1
3
8
1
0
0N
F
50
V
A
C
1
6
3
5
0
V
A
C
2
5
5
1
0
0
N
F
5
0
V
-
+
+
-
-
+
+
-
+
-
-
+
3
7
1
6
-0
0
1
2
4
3
1
0
0
N
F
ST 0680231P
P GND
P GND
PGN D
P GND
PGN D
1
0
0N
F
5
0
V
1
0
0N
F
50
V
5
0
V
1
0
0
N
F
5
0
V
CN7
C256
C139
A
C
1
3
7
AC1
3
8
A
C
1
6
3
A
C
2
5
5
>
SP K_FRON T_L_P
SP K_FRON T_R _M
SP K_FRON T_L_M
SP K_FRON T_R _P
SP K_CENTER_ M
SP K_CENTER_ P
1
MGND1
12
11
10
9
8
7
6
5
4
3
2
-
+
+
-
-
+
+
-
+
-
-
+
* 6.8. AUDIO AMP LIFIER
<Fig. 4-1>
(1)
(
1)
(1
)
4-4
Copyright© 1995-2012 SAMSUNG. All rights reserved.