Pioneer SC-37 Service Manual page 181

5
QQ
3 7 63 1515 0
D4703
RF051VA2S
ICC3-AVR
1
Isense1_H
2
Isense2_H
-4/5
3
NC1
4
NC2
5
PWM+
6
PWM-
7
SS_EN
8
Blanking
ACN7165-A
ATL7020-A
VSS+10V
TE
L 13942296513
VD7
Q4710
R4766 R4767
2SA1514K(RS)
10K 1% 1k 1%
GND
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MOS FET Driver
VD7
R4745
10k
2125
1%
Q4702
2SC5738 !
D4707
D 2
R4748
3216
RF051VA2S
ACN7165-A
IC4701
G
D4701
! 1
DRIVER
3
S
RB161VA-20
16
Vboot
15
Q4703
HighDrive
2SA2061 PWM7
14
HighReturn
D4705 R4750
13
Isense1_L
2125
D4706 10k
12
1%
Isense2_L
RF051VA2S
11 RF051VA2S
Vdrive
10
Q4704
LowDrive
2SC5738 !
9
VS
D 2
R4749
3216
R4747 ACN7165-A
G
D4702
1
3216
3
S
RB161VA-20
L4704 4.7u
Q4705
2SA2061
VS7
V+5V
Q4711
2SA1576A(QR)
IC4704
R4775 TEMP_OUT
NJM12904V
10 2
8 GND
1
R4770
4
1k 3
GND
GND
IC4704
NJM12904V
6
7
5
x ao
y
GND
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8
P
Output Power Stage and LP Filter
GND
V+64V
VD
L4700
ATL7017-A
15u
VS
V-64V
R4755
GND
ZOBEL7
2125
1%
15k
GND GND
Q Q
3 6 7 1 3
P
1/5
Q4712
RYC
RT1N140M
V-12RY
P
1/5-4/5
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
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 (5/5)
5/5
(SC-37: AWH7024)
(SC-35,SC-1525-K: AWH7025)
GND
L4701
ATL7022-A
4 3 3
4
12u
1 2 2
1
GND
GND
GND
V+12RY
1 5 0 5 8 2 9 9 4
RY4700
ASR7001-A
GND
1608 SIZE 2125 SIZE
RS1/16S*** RS1/10S***
m
2125
RN1/16S***
RS1/8SQ***
2125
1/8W
CCSR***
CCSQ***
CKSR*** 2125
CKSQ***
co
7
8
9 9
A
B
KN4400
1 3
GND1 GND3
2 4
GND2 GND4
VNE1948-A
GND
C+
P
2/5
C-
C
2 8 9 9
D
E
3216 SIZE
RS1/8S***
3216
RS1/4SA***
3216
1/4W
CCS***
3216
CKS***
F
P
5/5
181
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