D Amp Assy (4/7) - Pioneer SC-68 Service Manual

1

10.34 D AMP ASSY (4/7)

A
CN4600
V+12VFH
KM200IB5
R4600
3
FHR+ 5
560
FHR- 4
GGND_FHR
R4691
V+12FHR 2 2125
82k
V-12FHR 1
2125
R4692
1M
R4601
GNDS
V-12VH
P
560
CN3860
R4500
B
560
V+12VFH
CN4500
AKM7225-A
FHL+ 1
GNDS
R4501
FHL- 2
560
GGND_FHL 3
R4591
V+12FHL 4
2125
82k
V-12FHL 5
2125
R4592
1M
V-12VH
P
CN3850
C
GNDS
15k
R4610
ACH1479-A-T
R4611
FHR_IN
(FHL_IN) 470
ACH1479-A-T
R4511
FHL_IN
(FHR_IN) 470
15k
R4510
GNDS
D
S
FHR
GNDP
(RTN6)
E
RYH
S
1/7
Q5012
RT1N140M
V-12RY
FHL
GNDP
(RTN5)
F
S
4/7
154
1
2
ACH7320-A-P45
470u/16
0.01u/16
CFHXSQ103J16-T
GNDS
R4602
0.5%
18k 0.5%
C4604
NM
R4605
9.1k 0.5%
C4605
NM
R4603
C4607
0.5% 18k 0.5%
C4509
CFHXSQ103J16-T
0.01u/16
GNDS
ACH7320-A-P45
470u/16
R4502
0.5% 18k 0.5%
C4504
NM
C4507
C4505
NM
R4503
0.5% 18k 0.5%
V+12V
V+12VFILT5
R4671
4.7
GNDS
R4672
4.7
V-12V
V-12VFILT5
C4616 100u
C4516 100u
V+5V
C4602
R4664
NM
47k
C4502
R4564
1/7
FHMUTE
NM
47k
GNDP
V+12RY
GNDP
RY5000
ASR7001-A
GNDP
GNDP
2
3
C4608
V-12VH
C4609
R4606
1
2125
V-12V
GND
IC4602
3
UPC4570G2-A
4
FHR_IN
1
2 8 (FHL_IN)
VCC
R4690
2550
ACN7199-A
1%
R4615 10k
R4616
NM
2550
ACN7192-A ACN7199-A
47k
V+12V
R4506
2125
1
V+12VFH
C4508
V+12VFILT5
GNDP
IC4602
GND
5 UPC4570G2-A
4
FHL_IN
7
6 8 (FHR_IN)
R4505 VCC
C4620
9.1k 0.5%
1000p/50
NM
1
R4648
2
VDD
3k
3
1%
4
GND
IC4600
GNDS
TLC071IDR
V-12VFILT5
10k
R4590
2550
ACN7199-A
1% 10k
R4515 R4516
2550
ACN7192-A ACN7199-A
47k
V+12VFILT6
GNDP
C4520
1000p/50
1
R4548
2
VDD
3k
3
1%
4
GND
IC4500
GNDS
TLC071IDR
V-12VFILT6
*JA5101
AKE7141-A
1
FHR+
2
5 FHR-
3
FHL+
4
FHL-
Q4608
2SC4154-11(EF)
R4666
TEMP
10k
1%
S
1/7 - 3/7,
VD6
5/7, 6/7
GND_TP
KN4500
VNE1948-A
1 3
R4566
GND1 GND3
10k 1%
2 4
Q4508
GND2 GND4 2SC4154-11(EF)
GND_TP
SC-68
3
10k
S
1/7 - 3/7,
PWM5
5/7, 6/7
OSC1
1%
*R4619
NM
*Q4603
1%
NM
R4620 C4624
S
180 NM
1/7
GNDS
S
V+12VFILT5 1/7
AMPDISABLE5
IREN_FHLR
GNDS
Q4606
8
7
2SC4154-11(EF)
R4622
6
1%
5 1k
GNDS
S
1/7 - 3/7,
5/7, 6/7
PWM6
OSC1
1%
*R4519
NM
*Q4503
1%
NM
R4520 C4524
S
1/7
180 NM
GNDS
AMPDISABLE5
V+12VFILT6
S
1/7
IREN_FHLR
GNDS
Q4506
8
7
2SC4154-11(EF)
R4522
6
1%
5 1k
GNDS
V+12V
V+12VFILT6
R4571
4.7
GNDS
R4572
4.7
V-12V
V-12VFILT6
VD5
!
V+5V_S
100
*IC4604
*R4675 NJM12904V
Q4610
VCC
R4667
2SA1514K(RS) 2
8
R4670
1k
1%
4
1k 3
GND
!
GND_TP GND_TP
*IC4604
NJM12904V
Q4510
6
2SA1514K(RS)
R4570
R4567
1k 1%
1k
5
GND_TP
4
MODULATOR & MOS FET Driver
R4689
100
R5116
IC4601
3216
IRS20957SPBFS1
100k !
DRIVER
1
VDD
CSH
2
CSD
VB
3
IN
HO
4
VSS
VS
5 NC1
NC2
R4629
6 VREF
VCC
2125
1.8k
7
OCSET
LO
8 DT
COM
R4632
2125
8.2k
VSS+12V
R4647
NM
R4613
R4640
NM
ACN7165-A
R4589
R4609 !
100
15k
R5120
IC4501
3216
IRS20957SPBFS1
100k !
DRIVER
1
VDD
CSH
2
CSD
VB
3
IN
HO
4
VSS
VS
5 NC1
NC2
R4529
6 VREF
2125
VCC
1.8k
7
OCSET
LO
8 DT
COM
R4532
2125
8.2k
VSS+12V
R4547
NM
R4513
R4540
NM
ACN7165-A
R4509 !
15k
V
Q4611
ISA1602AM1(EF)-TLB
GND_TP
1
TEMP_OUT
*R4680
10k
S
1/7 - 3/7,
5/7, 6/7
G
Q4511
GND_TP ISA1602AM1(EF)-TLB
7
*R4580
10k
V
4