64
SC-LX81
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Overheat Detection
FR ch
FL ch
SR ch
SL ch
SBL ch
SBR ch
C ch
C
N
4000
-13
-14
INTERFACE
ASSY
F
ICEPOWER AMP ASSY
Q
UCOM
IC2001
91
8
9
D-MOTHER
ASSY
B
C
N
7051
-4
-5
C
N
7005
-4
-5
C
N
2005
-4
-5
C4252
0.1u/16
C4253
0.1u/16
C4153
0.1u/16
Q4411
Q4311
Q4511
Q4611
Q4711
C4152
0.1u/16
C425
8
0.1u/16
C4251
1u/16
C4151
1u/16
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
IC4204
N
JM12904
V
3
4
2
1
8
IC4204
N
JM12904
V
5
6
7
2SA1514K(RS)
Q4210
2SA1514K(RS)
Q4110
R4166
10k
1%
R4266
10k
1%
R416
8
22k
1%
R426
8
22k
1%
R4267
1k
1%
R4167
1k
1%
R4275
10
R4170
1k
R4270
1k
V
+5
V
+54
V
V
D1
+54
V
V
D2
R4269
12k
1%
R4169
12k
1%
CCX105
8
-A
R4265
CCX105
8
-A
R4165
2SA1602A(EF)
Q4211
2SA1602A(EF)
Q4111
C4023
10u/10
3216
C4027
0.1u/16
C4026
0.1u/16
C4025
1u/10
C4022
1u/10
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
R4064
47k
R4063
2.2
R405
8
6
8
k
R4055
22k
R4056
470k
R4057
470
2125
1/
8W
V
+5
V
V
+5
V
V
+5
V
V
+5
V
100u/10
C4024
D4005
1SS352
IC4001
BU7262SF
V
M
(1/2)
3
4
2
1
8
R4059
2.2
R4094
2.2k
IC4005
HA17431GLTPA
R4095
N
M
R4096
0
C4040
1u/10
G
N
D
IC4000
BU7262SF
V
M
(1/2)
3
4
2
1
8
IC4000
BU7262SF
V
M
(2/2)
5
4
6
7
8
R4097
0
R4054
3.3k
R4060
56k
1%
R4061
33k
1%
R4062
3.3k
C4012
1000p
G
N
D
THERMAL_
O
V
ERLOAD
MAX_TEMP
TEMP_DET
MAX_TEMP
TEMP_DET
MAX_TEMP
Temperature Detection Circuit (1-Circuit for each Amp 1-Channel)
R4021
100
R4025
100
R4025
C4011
1000p
G
N
D
R4022
100
R4024
100