Pioneer SC-LX83 Service Manual

18
SC-LX83
1
2 3 4
A
B
C
D
E
F
1
2 3 4
2.9 ICEPOWER AMP ASSY (5/5)
P
5/5 F
P
5/5 F
V-64V
R4762
ACN7165-A
3216
10
VD7
R4864
3.3k
1%
V+64V
L4702
ATL7018-A
1u
ACH7318-A
*C4749
560u
VS7
R4764
3.3k
1%
ACH7318-A
*C4750
560u
R4863
105k
1% 1/4W
3216
*C4857
2200p/50
VS_CHK4
R4763
105k
1% 1/4W
3216
*C4757
2200p/50
GND
VD_CHK4
L4703
ATL7018-A
1u
VD
R4761
ACN7165-A
3216
10
R4787
NM
3216
R4785
ACN7180
3216
R4788
NM
3216
R4786
ACN7180
3216
*A
*A
!
ICC3-AVR
IC4701
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
R
VSS+10V
R4747
ACN7165-A
3216
L4704
ATL7020-A
4.7u
C4755
4 7u/25
3216
R4746
39k 1%
R4784
ACN7180
3216
DRIVER
V-12V
GND
R4700
100
0.5%
R4701
100
0.5%
C4710
NM
C4711
NM
V+12V
CN4700
XKP3062-A
1C+
2C-
3GNDC
4V+12C
5V-12C
R4791
2.2M
2125
R4792
8.2k
2125
TO ICE INTERFACE ASSY
V-5V
*C4818
1u/16
YB
R4815
0
R4715
0
V+5V
C4760
1000p/50
CH
V-5VFILT4
GND
*C4718
1u/16
YB
C4860
1000p/50
CH
ACH1479-A
C4717
100u
ACH1479-A
C4817
100u
R4790
NM
2125
R4890
47k
2125
*B
ICEPOWER AMP ASSY (5/5)
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
P
5/5

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)