Pioneer SC-LX81 Service Manual

140
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.24 ICEPOWER AMP (4/5)
Q 4/5
CN4600
XKP3062-A
SBR+ 1
SBR- 2
GNDSBR 3
V+12SBR 4
V-12SBR 5
CKS1716
CN4500
SBL+ 1
SBL- 2
GNDSBL
3
GNDSBL
4
V+12SBR
5
V-12SBR
6
ACH7304-A
C4650
560u
ACH7304-A
C4550
560u
ACH7304-A
C4649
560u
ACH7304-A
C4549
560u
C4648
1u/10
YB
C4657
2200p/50
YB
C4557
2200p/50
YB
C4619
0.47u/16
2125
QYB
C4620
1u/10
YB
C4629
0.1u/16
YB
C4511
NM
C4510
NM
C4630 1u/10
YB
C4611
NM
C4610
NM
C4521
0.1u/16
YB
C4548
1u/10
YB
C4530 1u/10
YB
C4505
ACG7069-A
1000p
C4605
ACG7069-A
1000p
C4604
ACG7069-A
1000p
C4504
ACG7069-A
1000p
C4507
ACG7072-A
470p
C4607
ACG7072-A
470p
C4506
ACG7072-A
470p
C4606
ACG7072-A
470p
C4614
ACG7068-A-T
680p
C4514
ACG7068-A-T
680p
C4622
ACG7073-A
2200p
C4528
ACG7073-A
2.2u
C4628
ACG7073-A
2.2u
C4522
ACG7073-A
2200p
C4523
ACG7066-A
39p
C4623
ACG7066-A
39p
C4525
ACG7071-A
47p
C4625
ACG7071-A
47p
C4529
0.1u/16
YB
C4527
ACG7070-A
4.7P
C4627
ACG7070-A
4.7P
C4556
0.1u/16
YB
C4559
NM
C4659
NM
C4547
1u/10
YB
C4647
1u/10
YB
C4520
1u/10
YB
C4518
1u/10
YB
C4618
1u/10
YB
C4515 1u/10
YB
C4615 1u/10
YB
C4519
0.47u/16
2125
QYB
C4621
0.1u/16
YB
GND
GND
GND
GND
GND
GND
GND
GNDGND
GND
GND
GND
GND
GND
GND
GND
GND GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
IC4603
NJM4565MD
(2/2)
5
4
6
7
8
IC4602
UPC4570G2-A
(1/2)
3
4
2
1
8
IC4603
NJM4565MD
(1/2)
3
4
2
1
8
IC4602
UPC4570G2-A
(2/2)
5
6
7
L4602
ATL7018-A
1u
L4503
ATL7018-A
1u
L4502
ATL7018-A
1u
L4603
ATL7018-A
1u
Q4608
2SD2704K
Q4508
2SD2704K
R4608
NM
R4508
NM
R4632
18k
1%
R4520
220k
R4522
240k
R4573
100k
R4510
470
R4610
470
R4606
0
R4506
0
R4636
15k
1%
R4526
1.5k
1%
R4504
1k
0.5%
R4505
1k
0.5%
R4605
1k
0.5%
R4604
1k
0.5%
R4600
100
0.5%
R4633
1.8k
1%
R4674
1M
R4574
1M
R4635
1.8k
1%
R4511
220k
R4501
100
0.5%
R4536
15k
1%
R4626
1.5k
1%
R4538
2.7k
1%
R4627
1.5k
1%
R4642
0
R4542
0
R4623
1k
1%
R4612
22k
R4512
22k
R4539
56k
1%
R4532
18k
1%
R4639
56k
1%
R4638
2.7k
1%
R4535
1.8k
1%
R4533
1.8k
1%
R4660
10
R4530
47k
1% 1/8W
2125
R4527
1.5k
1%
R4617
100k
R4517
100k
R4618
4.7k
R4518
4.7k
R4525
1k
1%
R4519
1M
R4619
1M
R4521
1.8k
R4621
1.8k
R4528
27k
2125
1%
R4628
27k
2125
1%
R4641
15k
R4541
15k
R4640
10k
R4540
10k
R4644
1k
R4643
1k
R4543
1k
R4544
1k
R4537
27k
3216
1% 1/4W
R4637
27k
3216
1% 1/4W
R4577
20k
3216
1% 1/4W
R4677
20k
3216
1% 1/4W
R4523
1k
1%
R4531
68k
1% 1/8W
2125
R4631
68k
1% 1/8W
2125
R4625
1k
1%
R4624
27k
1%
R4634
1.2k
1%
R4601
100
0.5%
R4500
100
0.5%
R4524
27k
1%
R4534
1.2k
1%
R4630
47k
1% 1/8W
2125
R4603
910
0.5%
R4602
910
0.5%
R4503
910
0.5%
R4613
NM
R4513
NM
R4502
910
0.5%
R4676
1.8k 1%
R4576
1.8k1%
R4572
NM
R4571
0
R4620
220k
R4615
0
R4515
0
R4622
240k
R4560
10
R4611
220k
V+12V
V-12V
V-12V
V+12V
V+5V
V+5V
V-5V
V-5V
V-12V
VS5
VD6
V-5V
VD5
VS
V-64V
VD
V+64V
V-5V
V-5VFILT3
V+12V
V-5VFILT3
V-5VFILT3
V+5V
V+5V
V+5V
VS6
V+5V
SBR_IN
SBL_IN
SBMUTE
VD_CHK3
VS_CHK3
OUT5
OSC1
ZOBEL5
ZOBEL6
OSC1
PWM6
OUT6_L
PWM5
OUT6
OUT5_R
MOD6
MOD5
AMPDISABLE3
AMPOVERLOAD
SBL_IN
SBR_IN
VD_CHK3
MOD5
MOD6
VS_CHK3
220u/25C4508
HAT
220u/25
C4608
HAT
R4663
105k
1% 1/4W
3216
R4563
105k
1% 1/4W
3216
Q4509
2SC4154(EFG)
Q4609
2SC4154(EFG)
D4511
NM
D4611
NM
D4600
1SS302
D4500
1SS302
R4664
3.3k
1%
R4564
3.3k
1%
R4578
NM
R4678
NM
R4629
1
1/8W
2125
R4529
1
1/8W
2125
2SA1682(4)
Q4507
2SA1682(4)
Q4606
2SA1682(4)
Q4506
2SA1682(4)
Q4607
C4616
1u/16
YB
C4516
1u/16
YB
C4609
0.01u/16
2125
CFHXSQ103J16-T
C4509
0.01u/16
2125
CFHXSQ103J16-T
C4624
ACG7078-A
56p
C4524 ACG7078-A
56p
C4660
1000p/50
CHC4560
1000p/50
CH
R4662
ACN7165-A
3216
10
R4661
ACN7165-A
3216
10
R4561
ACN7165-A
3216
10
R4562
ACN7165-A
3216
10
R4514
4.7k
R4614
4.7k
C4626
ACG7079-A
75p
C4526
ACG7079-A
75p
ICC1-AVR
IC4600
Vd_check
1
Vs_check
2
Discharge
3
OC_mon
4
Enable
5
Thermal
6
In_A_Ch2
7
Out_A_Ch2
8
In_B_Ch2
9
Out_B_Ch2
10
In_C_Ch2
11
Pwm-_ch2
12
Pwm+_ch2
13
Mod_Ch2
14
ZobelSense2
15
Average2
16
Average1
17
NTC_in
18
ZobelSense1
19
Mod_ch1
20
Pwm-_ch1
21
Pwm+_ch1
22
In_C_Ch1
23
Out_B_Ch1
24
In_B_Ch1
25
Out_A_Ch1
26
In_A_Ch1
27
NC
28
Vdd
29
UVP_en
30
Main_Gnd
31
Vss
32
Ref_ch1
33
CS1_ch1
34
CS2_ch1
35
RECout_ch1
36
Vin__ch1
37
DC_FB_ch1
38
Vin_ch2
39
DC_FB_ch2
40
RECout_ch2
41
CS1_ch2
42
CS2_ch2
43
Ref_ch2
44
ACH1479-A
C4617
100u
ACH1479-A
C4517
100u
ACH1479-A
C4512 100u
ACH1479-A
C4513
100u
ACH1479-A
C4612 100u
ACH1479-A
C4613 100u
MODULATOR
DC offset
DC offset
Transistor
AM Switch
1/4W
2125
CKS***
CCSQ***
3216
2125
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***
CN3870
P
CN3860
P
NOTE
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
!
The mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
1/5, 2/5,
3/5, 5/5
Q
1/5, 2/5,
3/5, 5/5
Q
1/5
Q
1/5, 2/5, 3/5, 5/5
Q
1/5
Q
(SB)
(SB)
(SB)

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English