Pioneer SC-LX81 Service Manual

143
SC-LX81
5
6 7 8
5
6 7 8
A
B
C
D
E
F
Q 5/5
ICEPOWER AMP ASSY
(AWH7017)
Q 5/5
!
!
!
C4751
1u/16
YB
C4732
0.22u/25
QYB
2125
C4731
0.22u/25
QYB
2125
C4733
ACG7064-A
3216
330p
C4734 ACG7063-A
3216
220p
C4736
ACG7065-A
3216
1u
C4738
ACG7065-A
3216
1u
C4735
ACG7065-A
3216
1u
C4737
ACG7065-A
3216
1u
C4740
NM
3216
C4739
NM
3216
C4754
NM
C4702
NM
3216
C4753
0.1u/16
YB
C4752
0.1u/16
YB
C4758
0.1u/16
YB
C4755
4.7u/25
3216
SYB
C4700
0.1u/100
CFTNA104J2A-TD
C4701
0.27u/100
CFTNA274J2A-TD
D4706
RF051VA2S
D4707
RF051VA2S
D4703
RF051VA2S
D4704
RF051VA2S
D4705
RF051VA2S
D4701
RB161VA-20
D4708
RF101L2SD4709
RF101L2S
D4702
RB161VA-20
GNDGND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
IC4704
NJM12904V
3
4
2
1
8
IC4704
NJM12904V
5
6
7
L4704
ATL7020-A
4.7u
L4700
ATL7017-A
15u
RT1N140M
Q4712
Q4702
2SC5738
Q4704
2SC5738
2SA2061
Q4703
2SA2061
Q4705
2SA1514K(RS)
Q4710
ASR7001-A
RY4700
1 2 34
5 6
R4752
ACN7162-A
6432
10
R4751
ACN7162-A
6432
10
R4754
10
/5W
ACN7161-A
R4768
22k 1%
R4767
1k 1%
R4766
10k 1%
R4746
39k 1%
R4759
10
R4775
10
R4756
1.8k
1%
R4770
1k
R4753
330k
2125
R4758
10
V+5V
VD7
+54V
VS
VSS+10V
VS7
VD7
V+12RY
V-12RY
VD
RYC
C-
C+
DC_DETECT2 OUT7
PWM7
OUT7_R
TEMP_OUT
ZOBEL7
KN4400
VNE1948-A
1
2
3
4
R4769
12k 1%
CCX1058-A
R4765
C4742
0.01u/630
3216
CCG1245-A-T
C4741
0.01u/630
3216
CCG1245-A-T
C4743
CCG1248-A
3216
2200p
C4745
CCG1248-A
3216
2200p
C4746
CCG1248-A
3216
2200p
C4744
CCG1248-A
3216
2200p
2SA1602A(EF)
Q4711
D4710
1SS352
D4810
1SS352
R4745
10k
2125
1%
R4750
10k
2125
1%
R4755
15k
2125
1%
R4757
15k
R4749
ACN7165-A
3216
R4748
ACN7165-A
3216
R4747
ACN7165-A
3216
ICC3-AVR
IC4701
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
L4701
ATL7022-A
12u
1
1
2
2
3
3
4
4
PHB45NQ15T Q4701
G
D
S
PHB45NQ15T Q4700
G
D
S
DRIVER
Output Power Stage and LP FilterMOS FET Driver
1/4W
2125
CKS***
CCSQ***
3216
NOTE
2125
1. RESISTORS
Unit: k-k
Ω, M-M Ω or Ω unless otherwise noted.
Rated Power: 1/16w unless otherwise noted.
Toleranee: (J)5% unless otherwise noted.
2. CAPACITORS
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
YB:CKSRYB, QYB:CKSQYB,SYB:CKSYB, CH:CCSRCH
HAT:CEHAT, ZL:CEHAZL
3. NM: No Mount
RN1/16S***
RS1/8SQ***
RS1/10S***
CKSQ***
CCS***
2125
RS1/4SA***
1608 SIZE
RS1/8S***
CKSR***
2125 SIZE 3216 SIZE
3216
3216
1/8W
CCSR***
RS1/16S***
1/5, 2/5, 3/5, 4/5Q
1/5
Q
1/5, 2/5, 3/5, 4/5
Q
2/5Q
(C)
: Audio Signal Route (Center)
(C)
(C)

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English