D Amp Assy (5/7) - Pioneer SC-68 Service Manual

1

10.35 D AMP ASSY (5/7)

A
CN4700 V+12VC
KM200IB5
R4700
C+ 5
560
C- 4
GGND_C 3
R4791
V+12C 2
2125
82k
V-12C 1 2125
R4792
1M
R4701
GNDS
V-12VC
560
P
CN3870
B
V+12V
R4771
4.7
GNDS
C
R4772
4.7
V-12V
GNDS
15k
R4710
ACH1479-A-T
R4711 C4716 100u
C_IN
470
D
S
1/7 - 3/7
AMUTE
E
F
S
5/7
156
1
2
C4708
ACH7320-A-P45
470u/16
C4709
0.01u/16 R4706
2125
1
CFHXSQ103J16-T
R4702 GNDS
0.5% 18k 0.5% GND
IC4702(1/2)
3
UPC4570G2-A
C4704
4
NM
1
2 8
VCC
R4705
9.1k 0.5%
C4705
NM
R4703 NM
C4707
0.5% 18k
0.5%
C4714
CFHXSQ103J16-T
R5034
0.01u/16
2125
1
C4738
GNDS
ACH7320-A-P45
470u/16
GND
5
UPC4570G2-A
4
7
8
6
VCC
GNDS
R4748
V+12VFILT7
V-12VFILT7
V+5V
C4702
R4764
NM
47k
VD7
VD
V+64V
R4725
0.22 /5W
ACN7094-A
GNDP
R4726
0.22 /5W
ACN7094-A
V-64V
VS
VS7
2
3
V-12VC
V-12V
C_IN
R4790
10k
2550
ACN7199-A
1%
R4715
R4716 10k
V+12V PWM7
2550
ACN7192-A
ACN7199-A
47k
1%
V+12VC
*R4719
NM
V+12VFILT7
GNDP
1%
IC4702
R4720
180
C4720
1000p/50
GNDS
1 8
2 7
VDD
3k R4722
3 6
1%
4 5
GND
IC4700
GNDS
TLC071IDR
V-12VFILT7
S
1/7 - 4/7, 6/7
SC-68
3
4
MODULATOR & MOS FET Driver
S
1/7 - 4/7, 6/7
OSC1
*Q4703
NM
C4724
NM
S
1/7
GNDS
V+12VFILT7
S
1/7 AMPDISABLE4
IREN_C
R5124
3216
Q4706 100k
2SC4154-11(EF)
1%
1k
GNDS
VSS+12V
ACN7165-A
VD7
!
Q4708
2SC4154-11(EF)
R4766 R4767
2SA1514K(RS)
TEMP
10k 1k
1% 1%
GND_TP
4
R4789
100
IC4701
IRS20957SPBFS1
!
DRIVER
1 16
VDD
CSH
2 15
CSD
VB
3 14
IN
HO
4 13
VSS
VS
5 NC1 12
NC2
R4729
6 VREF 11
VCC
2125
1.8k
7 10
OCSET
LO
8 DT 9
COM
R4732
2125
8.2k
R4747
NM
R4713
R4740
NM
R4709
!
15k
V+5V_S
100
*IC4704
*R4775
NJM12904V
Q4710
VCC
2
8 GN
1
R4770
*R
4
1k 3
GND
GND_TP
GND_TP
*IC4704
NJM12904V
6
7
5
GND_TP