Pioneer SC-LX81 Service Manual

139
SC-LX81
5
6 7 8
5
6 7 8
A
B
C
D
E
F
Q 3/5
ICEPOWER AMP ASSY
(AWH7017)
Q 3/5
!
!
!
!
!
!
C4402
NM
3216
C4302
NM
3216
C4351
1u/16
YB
C4431
0.22u/25
QYB
2125
C4432
0.22u/25
QYB
2125
C4331
0.22u/25
QYB
2125
C4332
0.22u/25
QYB
2125
C4433
ACG7064-A
3216
330p
C4434 ACG7063-A
3216
220p
C4334
ACG7063-A
3216
220p
C4333
ACG7064-A
3216
330p
C4337
ACG7065-A
3216
1u
C4336
ACG7065-A
3216
1u
C4335
ACG7065-A
3216
1u
C4338
ACG7065-A
3216
1u
C4435
ACG7065-A
3216
1u
C4437
ACG7065-A
3216
1u
C4436
ACG7065-A
3216
1u
C4438
ACG7065-A
3216
1u
C4352
0.1u/16
YB
C4453
0.1u/16
YB
C4353
0.1u/16
YB
C4452
0.1u/16
YB
C4458
0.1u/16
YB
C4455
4.7u/25
3216
SYB
C4355
4.7u/25
3216
SYB
C4300
0.1u/100
CFTNA104J2A-TD
C4400
0.1u/100
CFTNA104J2A-TD
C4301
0.27u/100
CFTNA274J2A-TD
C4401
0.27u/100
CFTNA274J2A-TD
C4440
NM
3216
C4454
NM
C4354
NM
C4340
NM
3216
C4339
NM
3216
C4439
NM
3216
C4451
1u/16
YB
D4408
RF101L2SD4409
RF101L2S
D4308
RF101L2SD4309
RF101L2S
D4304
RF051VA2S
D4306
RF051VA2S
D4305
RF051VA2S
D4301
RB161VA-20
D4401
RB161VA-20
D4402
RB161VA-20
D4302
RB161VA-20
D4404
RF051VA2S
D4407
RF051VA2S
D4307
RF051VA2S
D4406
RF051VA2S
D4303
RF051VA2S
D4403
RF051VA2S
D4405
RF051VA2S
GND
GND GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
IC4404
NJM12904V
3
4
2
1
8
IC4404
NJM12904V
5
6
7
L4304
ATL7020-A
4.7u
L4300
ATL7017-A
15u
L4400
ATL7017-A
15u
L4404
ATL7020-A
4.7u
RT1N140M
Q4312
Q4304
2SC5738
Q4302
2SC5738
Q4404
2SC5738
Q4402
2SC5738
2SA2061
Q4405
2SA2061
Q4305
2SA2061
Q4303
2SA2061
Q4403
2SA1514K(RS)
Q4310
2SA1514K(RS)
Q4410
ASR7001-A
RY4300
1 2 34
5 6
R4352
ACN7162-A
6432
1W
10
R4452
ACN7162-A
6432
10
R4451
ACN7162-A
6432
10
R4454
10
/5W
ACN7161-A
R4354
10
/5W
ACN7161-A
R4368
22k 1%
R4468
22k 1%
R4367
1k 1%
R4467
1k 1%
R4366
10k 1%
R4466
10k 1%
R4346
39k 1%
R4359
10
R4358
10
R4356
1.8k
1%
R4456
1.8k
1%
R4459
10
R4470
1k
R4370
1k
R4351
ACN7162-A
6432
1W
10
R4458
10
R4453
330k
2125
R4353
330k
2125
R4475
10
R4446
39k
1%
V+5V
V-12RY
+54V
VD4
VD3
+54V
VS3
VS4
VD4
VD3
VSS+10V
VSS+10V
VD
V+12RY
VD
VS
VS
RYS
OUT4_L
OUT4
PWM4
PWM3
ZOBEL3
ZOBEL4
DC_DETECT2
OUT3
DC_DETECT1
TEMP_OUT
OUT3_R
KN4200
VNE1948-A
1
2
3
4
R4469
12k 1%
R4369
12k 1%
CCX1058-A
R4365
CCX1058-A
R4465
C4442
0.01u/630
3216
CCG1245-A-T
C4342
0.01u/630
3216
CCG1245-A-T
C4441
0.01u/630
3216
CCG1245-A-TC4341
0.01u/630
3216
CCG1245-A-T
C4445
CCG1248-A
3216
2200p C4446
CCG1248-A
3216
2200p
C4344
CCG1248-A
3216
2200p
C4443
CCG1248-A
3216
2200p
C4346
CCG1248-A
3216
2200p
C4444
CCG1248-A
3216
2200p
C4345
CCG1248-A
3216
2200p
C4343
CCG1248-A
3216
2200p
2SA1602A(EF)
Q4411
2SA1602A(EF)
Q4311
D4310
1SS352
D4410
1SS352
R4445
10k
2125
1%
R4345
10k
2125
1%
R4450
10k
2125
1%
R4350
10k
2125
1%
R4355
15k
2125
1%
R4455
15k
2125
1%
R4457
15k
R4357
15k
R4448
ACN7165-A
3216
R4449
ACN7165-A
3216
R4447
ACN7165-A
3216
R4349
ACN7165-A
3216
1/4W
R4348
ACN7165-A
3216
1/4W
R4347
ACN7165-A
3216
*JA4301
1
2
3
4
5
ICC3-AVR
IC4401
Isense1_H
1
Isense2_H
2
NC1
3
NC2
4
5
PWM+
6
PWM-
7
SS_EN
8
Blanking
9
VS
10
LowDrive
11
Vdrive
12
Isense2_L
13
Isense1_L
14
HighReturn
15
HighDrive
16
Vboot
ICC3-AVR
IC4301
Isense1_H
1
Isense2_H
2
NC1
3
NC2
4
5
PWM+
6
PWM-
7
SS_EN
8
Blanking
9
VS
10
LowDrive
11
Vdrive
12
Isense2_L
13
Isense1_L
14
HighReturn
15
HighDrive
16
Vboot
L4401
ATL7022-A
12u
12
3
4
L4301
ATL7022-A
12u
12
34
PHB45NQ15T Q4400
G
D
S
PHB45NQ15T Q4300
G
D
S
PHB45NQ15T
Q4301
G
D
S
PHB45NQ15T Q4401
G
D
S
DRIVER
DRIVER
Output Power Stage and LP FilterMOS FET Driver
SL-
SL+
SR-
SR+
SPEAKER TERMINAL
1/5, 2/5, 4/5, 5/5Q
1/5, 2/5, 4/5, 5/5
Q
1/5Q
1/5, 2/5, 4/5Q
(SL)
: Audio Signal Route (Surround L ch)
(SL)
(SL)

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English