Pioneer SC-LX81 - Page 64

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
CN4000
-13
-14
INTERFACE
ASSY
F
ICEPOWER AMP ASSY
Q
UCOM
IC2001
91
89
D-MOTHER
ASSY
B
CN7051
-4
-5
CN7005
-4
-5
CN2005
-4
-5
C4252
0.1u/16
C4253
0.1u/16
C4153
0.1u/16
Q4411
Q4311
Q4511
Q4611
Q4711
C4152
0.1u/16
C4258
0.1u/16
C4251
1u/16
C4151
1u/16
GND
GND
GND
GND
GND
GND
GND
IC4204
NJM12904V
3
4
2
1
8
IC4204
NJM12904V
5
6
7
2SA1514K(RS)
Q4210
2SA1514K(RS)
Q4110
R4166
10k
1%
R4266
10k
1%
R4168
22k
1%
R4268
22k
1%
R4267
1k
1%
R4167
1k
1%
R4275
10
R4170
1k
R4270
1k
V+5V
+54V
VD1
+54V
VD2
R4269
12k
1%
R4169
12k
1%
CCX1058-A
R4265
CCX1058-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
GND
GNDGND
GNDGND
GND
GND
GND
R4064
47k
R4063
2.2
R4058
68k
R4055
22k
R4056
470k
R4057
470
2125
1/8W
V+5V
V+5V
V+5V
V+5V
100u/10
C4024
D4005
1SS352
IC4001
BU7262SFVM
(1/2)
3
4
2
1
8
R4059
2.2
R4094
2.2k
IC4005
HA17431GLTPA
R4095
NM
R4096
0
C4040
1u/10
GND
IC4000
BU7262SFVM
(1/2)
3
4
2
1
8
IC4000
BU7262SFVM
(2/2)
5
4
6
7
8
R4097
0
R4054
3.3k
R4060
56k 1%
R4061
33k 1%
R4062
3.3k
C4012
1000p
GND
THERMAL_
OVERLOAD
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
GND
R4022
100
R4024
100