Icepower Amp Assy - Pioneer SC-LX81 Service Manual

1

11.13 ICEPOWER AMP ASSY

SIDE A
A
IC Q
Q4110
IC4900
Q4210
Q4310
Q4610
Q4510 Q4410
Q4710
B
Q4500 Q4400 Q4300
Q4100Q4101 Q4700 Q4701
Q4501 Q4401 Q4301
Q4601 Q4600
Q4603 Q4602
Q4403 Q4202 Q4103
Q4402 Q4102
Q4303
Q4503 Q4302 Q4203
Q4605 Q4505 Q4405
Q4305 Q4205 Q4105
Q4304 Q4204 Q4104
Q4604 Q4504 Q4404
IC4601
IC4401 IC4201
IC4101 IC4701
IC4501 IC4301
C
Q4206
Q4207
Q4406
Q4407
Q4606
Q4607
Q4506 Q4306 Q4106
Q4609 Q4409 Q4209
Q4507 Q4307 Q4107
Q4014 Q4016
IC4600
IC4400 IC4200
IC4006
Q4509 Q4309 Q4109
IC4700
D
IC4001
IC4005
IC4603
IC4203 IC4703
IC4403 IC4404
IC4204 IC4704
Q4508 Q4308 Q4108
IC4604 IC4000
Q4611 Q4411 Q4211
Q4511 Q4311 Q4111
IC4003 IC4004
Q4002 Q4708
IC4602
IC4702
Q4608 Q4408 Q4208
IC4402 IC4202
Q4012
Q4013
Q4003 Q4512 Q4312
Q4001
E
Q4712
Q4000
IC4002
F
Q
188
1
2
Q
ICEPOWER AMP ASSY
C4912
Q4200
Q4201
Q4502
Q4702
Q4703
Q4705
Q4704
C4919
C4918
C4920
L4902
Q4707
L4903
Q4709
Q4706
D4005
R4013
IC4005
C4023
R4056
Q4711
R4059
C4026
R4003
C4003
C4004
R4004
R4028
C4018
C4019
R4029
Q4112
R4036
C4020
R4043
C4021
C4011
R4024
C4012
R4025
C4013
R4026
CN4000
Disable1
Disable2
Disable3
Disable4
AMUTE
R4007
SBMUTE
R4008
AMPTX
R4030
AMP_OL
R4031
RYA R4037
RYC R4044
R4022
RYS
R4021
RYB
R4078
MAX_Temp
R4023
TH_OL
DC_DET
GND
GND
2
3
C4901
C4926
R4901
C4652
E
C4651
R4667
R4666
-B+10V
-B
C4650
C4649
R4651
C4633
C4913
Q4600 Q4601
V+5MD
GND_MD
V-5_MD
GND(S)
V+12DF
1 1
R4648
GND_DF
R4650
V-12DF
GND_DF(S)
C4631
V+12RY
D4605
15 10
D4606
V-12RY
C4632
1 5
IC4601
R4647
L4600
C4601
C4917
C4600
R4655
R4640 C4624
R4643
C4915 C4914
D4608 R4563 R4663
C4931 C4930
C4921
R4641
C4630
D4609
R4642
D4611
R4631
IC4006 5
1
R4632
R4676 R4628
1
C4024
IC4001
C4029
C4547 C4517
R4096 R4620
1
C4620
R4054 R4619
R4061
R4060
R4660
14
10 10
14
R4519
R4520
C4610
C4611
7
1 5 7 1 5
IC4003 IC4004
R4016 Q4002
R4618 R4611
C4039
R4015
Q4608
R4073 1 5
C4616
CN4600
1 Q4012
R4076
1
Q4003
R4093
R4042
R4041
Q4001
C4654
R4077
L4601
C4641
R4071 R4072
R4074 R4075
R4658
Q4000
C4644 C4646
R4039
R4045
C4030
KN4400
IC4002
C4643 C4645
CN4600
P
CN3870
SC-LX81
3
4
C4900
C4552
R4569
Q4510
R4568
E
C4551
R4567
R4566
C4550
C4549 C4449
R4551
C4533
Q4500 Q4501
1 1
R4548 R4448
R4550
R4652 R4552
C4531 C4431
D4505
15 10
D4506
C4532
1 5
IC4501
R4547
L4500
C4501 C4401
C4500 C4400
R4455
R4440 C4424
R4443
R4555
Q4506 D4408
M R4556
C4529
R4521
E
D4409
E
R4442
D4411
Q4509
R4535 C4524 R4540
R4533
C4523
R4532
J
O
35 40
F
R4678
IC4604
R4420
R4419
R4578
Q4508
Q4611
Q4511
D4500 D4400
C4512
C4510 R4500 R4400
C4504 C4404
C4505 C4405
R4501 R4401
R4508 R4408
O
C4659
C4559
IC4602
C4609 C4509
CN4500
R4606 R4506
1 5
C4615
RY4500
R4617
C D4610
F
D4510
C4642 C4541
R4659 R4558
C4554
L4501
C4542 C4441
C
R4559 R4458
C4544 C4546
JA4501
KN4300
C4543 C4545
CN4500
CN4400
P
CN3860
P
CN3850
4
C4
C4452
R4469
Q4410
C4451
E
R4468
R4466
R4467
C4450
C4349
R4451
C4433
Q4400 Q4401 Q
1 1 1
R4348
R4450
R4452
C4331
D4405
15 10 15
D4406
C4432
1 5 1
IC4401
R4447
L4400
C4301
C4300
R4355
R4363 R4463 Q
L
R4441
C4430
E
R4431
R4432
R4476 R4428
P
35 40
C4347 C4317
E
C4420
R4478
R
R4460
R4319
R4320
C4410
C4411
R4418 R4411 C4459
Q4408 C4359
C4416
IC4402
C4409 C4309
CN4400
R4406 R4306
1 5
C4515
R4517
R4511
R4510
R4503
R4502
C4454
L4401
B
C4444 C4446 C434
C4443 C4445 C434