Pioneer SC-63 Service Manual page 142

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1
10.30 D-AMP_S ASSY (2/10)
V+5V
V+5VFILT1
A
R4271
4.7
GNDS
R4272
4.7
V-5V
V-5VFILT1
Output = 1kHz 10V
2.4Vp-p
B
V+12V
CN4200
AKM7225-A
FR+ 5
P
FR- 4
GGND_FR 3
CN3890
V+12FR 2
V-12FR 1
C
V-12V
Q
1/10, 3/10, 5/10
AMUTE
Q
1/10
V+12V
CN4100
KM200IB5
FL+ 1
P
FL- 2
D
GGND_FL 3
CN3880
V+12FL 4
V-12FL 5
V-12V
VD2
V+64V
V+64V
ACN7094-A
0.22
/5W
R4125
E
GNDP
GNDP
V-64V
R4126
0.22
/5W
V-64V
ACN7094-A
VS2
F
Q
2/10
142
1
2
V+5V
V+5VFILT2
R4171
4.7
GNDS
R4172
4.7
V-5V
V-5VFILT2
Output = No Signal
GNDS
R4200
560
R4249
NM
R4291
2125
NM
2125
R4292
NM
V+5V
GNDS
R4265
47k
R4165
AMUTE_2
47k
GNDS
R4100
560
R4149
NM
R4191
2125
NM
2125
R4192
NM
GNDS
VD1
VD
R4225
0.22
/5W
ACN7094-A
VD1
R4226
0.22
/5W
ACN7094-A
VS
VS1
Q4208
R4266
R4267
2SC4154-11(EF)
TEMP
10k
1%
1k
Q
1/10,
VD2
3/10 - 6/10
GND_TP
!
R4166
R4167
10k
1%
Q4108
1k 1%
2SC4154-11(EF)
GND_TP
2
3
R4278
ACN7198-A
1%
R4215
R4216
ACN7192-A
ACN7198-A
47k
GNDP
R4201
R4248
3.9k
3k
1%
Q4209
NM
CFHXSQ102J50-T
Output = No Signal
R4148
R4178
2550
3.9k
ACN7198-A
1%
1%
R4115
R4116
Q4109
NM
2550
ACN7192-A
ACN7198-A
47k
GNDP
R4101
3k
C4120
1000p/50
!
V+5V_S
*R4275
VCC
Q4210
2SA1514K(RS)
100
2
8
R4270
1%
4
1k
3
GND
NJM12904V
GND_TP
GND_TP
GND_TP
*IC4204
NJM12904V
Q4110
6
2SA1514K(RS)
R4170
1k
5
GND_TP
GND_TP
SC-63
3
4
MODULATOR & MOS FET Driver
2550
Q
1/10, 3/10 - 6/10
PWM1
2550
OSC1
1%
*R4219
1k
*Q4203
1%
2SC4154-11(EF)
R4220
C4224
1k
NM
Q
1/10
YB
GNDS
AMPDISABLE1
R4244
V+5V_S
10k
Q4205
2SC4154-11(EF)
*R4228
3216
100
R4227
Q
100k
1/10
Q4206
R4224
ISA1602AM1(EF)
IREN_LR
100k
C4220
C4223
1000p/50
1000p/50
CFHXSQ102J50-T
GNDS
V-5V_CSD
V-5VFILT1
VSS+12V
R4247
R4240
ACN7165-A
V+5V_S
Q
1/10, 3/10 - 6/10
PWM2
V+5V_S
OSC1
1%
*R4119
1k
*Q4103
1%
2SC4154-11(EF)
R4120
C4124
AMPDISABLE1
NM
1k
YB
R4151
GNDS
Q
1/10
22k
R4124
IREN_LR
R4160
Q4105
2SC4154-11(EF)
Q
100k
1/10
3216
Q4106
R4127
ISA1602AM1(EF)
100k
C4123
1000p/50
GNDS
Q4211
ISA1602AM1(EF)
V-5V_CSD
GND_TP
V-5VFILT2
*R4210
1
TEMP_OUT
VSS+12V
10k
R4147
*IC4204
Q
1/10,
R4140
3/10 - 6/10
ACN7165-A
Q4111
GND_TP
ISA1602AM1(EF)
*R4110
7
10k
4
V+5VFILT1
V+5V_S
GNDS
R4260
+5V
100
!
IC4201
IRS2092SPBF
DRIVER
1
16
VAA
CSH
2
15
GND
VB
3
14
IN-
HO
*R4290
4
13
COMP
VS
5 CSD
12
12
VCC
6 VSS
11
LO
R4229
7
10
VREF
2125
COM
1.8k
8 OCSET
9
DT
+5V
GNDS
NM
*R4204
3216
NM
10
R4209
!
15k
V+5VFILT2
!
IC4101
IRS2092SPBF
100
DRIVER
1
16
VAA
GNDS
CSH
2
15
GND
VB
3
14
IN-
HO
*R4190
4
13
COMP
VS
5 CSD
12
12
VCC
6 VSS
11
LO
R4129
7
10
VREF
2125
COM
1.8k
8 OCSET
9
DT
GNDS
NM
*R4104
NM
R4109
!
15k

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