Pioneer SC-LX83 Service Manual

17
SC-LX83
5
6 7 8
5
6 7 8
A
B
C
D
E
F
2.7 ICEPOWER AMP ASSY (3/5)
2.8 ICEPOWER AMP ASSY (4/5)
P
3/5 F
P
3/5 F
GND
VS_CHK2
ACH7318-A
*C4450
560u
*C4457
2200p/50
L4403
ATL7018-A
1u
ACH7318-A
*C4349
560u
V+64V
R4363
105k
1% 1/4W
3216
ACH7318-A
*C4350
560u
*C4357
2200p/50
VD
VD3
L4303
ATL7018-A
1u
R4461
ACN7165-A
3216
10
R4463
105k
1% 1/4W
3216
V-64V
VD4
R4462
ACN7165-A
3216
10
VS
R4364
3.3k
1%
VS3
L4302
ATL7018-A
1u
R4362
ACN7165-A
3216
10
VS4
R4464
3.3k
1%
R4361
ACN7165-A
3216
10
VD_CHK2
L4402
ATL7018-A
1u
ACH7318-A
*C4449
560u
R4387
NM
3216
R4385
ACN7180
3216
R4386
ACN7180
3216
R4388
NM
3216
R4487
NM
3216
R4485
ACN7180
3216
R4488
NM
3216
R4486
ACN7180
3216
*A
*A
!
L4404
ATL7020-A
4.7u
R4446
39k
1%
ICC3-AVR
IC4401
Isense1_H
1
Isense2_H2
NC13
NC24
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
VSS+10V
C4455
4 7 /25
3216
R
R4447
ACN7165-A
3216
R4484
ACN7180
3216
DRIVER
!
R4346
39k 1%
R4347
ACN7165-A
3216
R
VSS+10V
C4355
47 /25
3216
L4304
ATL7020-A
4.7u
ICC3-AVR
IC4301
Isense1_H
1
Isense2_H2
NC13
NC24
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
R4384
ACN7180
3216
DRIVER
GND
C4460
1000p/50
CH
R4415
0
C4360
1000p/50
CH
V-5V
V+5V
*C4318
1u/16
YB
R4315
0
*C4418
1u/16
YB
V-5VFILT2
ACH1479-A
C4417
100u
ACH1479-A
C4317
100u
R4490
NM
2125
R4390
47k
2125
*B
ICEPOWER AMP ASSY (3/5)
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
P
3/5
P
4/5 F
P
4/5 F
ACH7318-A
*C4649
560u
R4661
ACN7165-A
3216
10
L4602
ATL7018-A
1u
*C4657
2200p/50
VD5
R4662
ACN7165-A
3216
10
ACH7318-A
*C4550
560u
VS
V-64V
ACH7318-A
*C4650
560u
VD_CHK3
VD
V+64V
VS_CHK3
ACH7318-A
*C4549
560u
R4563
105k
1% 1/4W
3216
L4502
ATL7018-A
1u
L4503
ATL7018-A
1u
R4663
105k
1% 1/4W
3216
R4564
3.3k
1%
R4562
ACN7165-A
3216
10
GND
R4664
3.3k
1%
VS5
R4561
ACN7165-A
3216
10
VS6
L4603
ATL7018-A
1u
*C4557
2200p/50
VD6
R4587
NM
3216
R4588
NM
3216
R4585
ACN7180
3216
R4586
ACN7180
3216
R4686
ACN7180
3216
R4685
ACN7180
3216
R4687
NM
3216
R4688
NM
3216
*A
*A
!
ICC3-AVR
Isense1_H
1
Isense2_H2
NC13
NC24
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
R4646
39k 1%
VSS+10V
R
R4647
ACN7165-A
3216
C4655
4 7 /25
3216
L4604
ATL7020-A
4.7u
R4684
ACN7180
3216
DRIVER
!
R4546
39k 1%
D
RF
0
ICC3-AVR
IC4501
Isense1_H
1
Isense2_H2
NC13
NC24
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
C4531
VSS+10V
C4555
4.7u/25
3216
SYB
L4504
ATL7020-A
4.7u
C4532 QYB
R4547
ACN7165-A
3216
R4584
ACN7180
3216
DRIVER
V-5V
C4660
1000p/50
CH
V-5VFILT3
C4560
1000p/50
CH
R4615
0
R4515
0
*C4518
1u/16
YB
GND
*C4618
1u/16
YB
V+5V
ACH1479-A
C4617
100u
ACH1479-A
C4517
100u
R4690
NM
2125
R4590
47k
2125
*B
ICEPOWER AMP ASSY (4/5)
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
P
4/5

Pioneer SC-LX83 Specifications

General

Channels	7.1
Amplification Type	Class D
HDMI Inputs	6
HDMI Outputs	2
HDMI Version	1.4a
3D Support	Yes
Audio Return Channel (ARC)	Yes
Audio Decoding	Dolby TrueHD, DTS-HD Master Audio
Network Connectivity	Ethernet
iPod/iPhone Compatibility	Yes (via USB)
AirPlay	No
USB Port	1 (Front)
Wi-Fi	No
Bluetooth	No
Frequency Response	5 Hz-100 kHz
Signal-to-Noise Ratio	106 dB
THX Certified	THX Ultra2 Plus
Network Features	Internet Radio
Supported Audio Formats	MP3, WMA, AAC, FLAC, WAV
Input Sensitivity	200mV
Power Output per Channel	140 W (8 ohms, 20 Hz-20 kHz, THD 0.08%, 2ch Driven)