Pioneer SC-37 Service Manual page 175

5
QQ
3 7 63 1515 0
1/5,3/5-5/5
TE
L 13942296513
1/5,3/5-5/5
1
VD1
Q4210
R4266 R4267
2SA1514K(RS)
10K 1% 1k 1%
www
VD2
GND
.
Q4110
R4166
2SA1514K(RS)
R4170
R4167
10K 1%
1k 1%
GND
5
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MOS FET Driver
VD1
R4245
D4203 10k
2125
1%
RF051VA2S
Q4202
2SC5738 !
D4207
R4248 D 2
RF051VA2S
3216
ACN7165-A
IC4201
G
ICC3-AVR D4201
!
1
DRIVER
S 3
RB161VA-20
1 16
Vboot
Isense1_H
2 15
Q4203
HighDrive
2SA2061
Isense2_H
3 14
HighReturn
NC1
D4205 R4250
4 13
NC2 Isense1_L
2125
D4206 10k
5 12
1%
PWM+ Isense2_L
RF051VA2S
6 11 RF051VA2S
PWM- Vdrive
7 10 Q4204
SS_EN LowDrive
2SC5738
!
8 9
Blanking VS
R4249
D 2
3216
ACN7165-A
R4247
ACN7165-A G
D4202
1
3216
S 3
RB161VA-20
4.7u
L4204
ATL7020-A
Q4205
VSS+10V 2SA2061
VS1
VD2
R4145
D4103 10k
2125
1%
RF051VA2S
Q4102
!
2SC5738
D4107
D 2
R4148
RF051VA2S
3216
ACN7165-A
IC4101
G
D4101
ICC3-AVR
!
1
DRIVER
S 3
RB161VA-20
1 16
Vboot
Isense1_H
2 15
Q4103
HighDrive
Isense2_H 2SA2061
3 14
HighReturn
NC1
D4105 R4150
4 13
NC2 Isense1_L
2125
D4106 10k
5 12
1%
PWM+ Isense2_L
RF051VA2S
6 11 RF051VA2S
PWM- Vdrive
7 10
Q4104
SS_EN LowDrive
2SC5738
8 9
!
Blanking VS
R4149
D 2
3216
R4147 ACN7165-A
ACN7165-A
G
D4102
1
3216
S 3
RB161VA-20
L4104 4.7u
ATL7020-A
Q4105
VSS+10V
2SA2061
VS2
V+5V
Q4211
R4275
2SA1576A(QR)
10 2
8 GND
1
R4270
TEMP_OUT
4
1k 3
IC4204
P
NJM12904V
x ao
y
GND
GND
IC4204
i
NJM12904V
Q4111
2SA1576A(QR)
6
GND
7
1k 5
GND
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6
8
P
Output Power Stage and LP Filter
V+64V
PWM1
GND
VD
L4200
ATL7017-A
15u
VS
R4255
ZOBEL1
GND
2125
1%
15k
GND GND
Q Q
3 6 7 1 3
P
1/5
RYA
V-12RY
V+64V
PWM2
VD
GND
L4100
ATL7017-A
15u
VS
R4155
GND
ZOBEL2
2125
1%
15k
GND GND
NOTE
1. RESISTORS
Unit: k-kΩ, M-MΩ 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
1/5,3/5-5/5
HAT:CEHAT, ZL:CEHAZL
3. NM: No Mount
u163
: Audio Signal Route
.
SC-37
6
7
2 9 9 4 2 8
ICEPOWER AMP ASSY (2/5)
2/5
(SC-37: AWH7024)
(SC-35,SC-1525-K: AWH7025)
GND
4 3 3
4
12u
1 2 2
1
ATL7022-A
L4201
GND
GND
V+12RY
RY4100
1 5 0 5 8 2 9 9 4
ASR7001-A
SPEAKER TERMINAL(6P)
JA4101
Q4112
AWH7025 AKE7142-A
RT1N140M
AWH7024 AKE7150-B
P
GND
L4101
ATL7022-A
4 3 3
4
12u
1 2 2
1
GND
GND
GND
1608 SIZE 2125 SIZE
RS1/16S*** RS1/10S***
2125
m
RN1/16S***
RS1/8SQ***
2125
1/8W
CCSR***
CCSQ***
CKSR***
2125
CKSQ***
co
7
8
9 9
A
B
KN4100
1 3
GND1 GND3
2 4
GND2 GND4
VNE1948-A
GND
C
GND
*JA4101
2 8 9 9 AKE7148-B
1
R+
2
R-
3
7 L+
4
L-
5
C+
C+
6
C-
C-
5/5
D
GND
E
3216 SIZE
RS1/8S***
3216
RS1/4SA***
3216
1/4W
CCS***
3216
CKS***
F
P
2/5
175
8