Pioneer SC-LX82 Service Manual page 141

5
MOS FET Driver
D4203
RF051VA2S
D4207
RF051VA2S
IC4201
ICC3-AVR
5,3/5-5/5
!
DRIVER
1
Isense1_H
C1
Vboot
2
Isense2_H
HighDrive
3
NC1
HighReturn
4
NC2
Isense1_L
5 PWM+
Isense2_L
6 PWM-
Vdrive
7 SS_EN
LowDrive
8
Blanking
VS
R4247
ACN7165-A
3216
L4204 4.7u
ATL7020-A
VSS+10V
D4103
RF051VA2S
D4107
RF051VA2S
IC4101
ICC3-AVR
!
DRIVER
1
Isense1_H
Vboot
2
Isense2_H
HighDrive
3
NC1
HighReturn
4
NC2
(FL)
Isense1_L
5 PWM+
Isense2_L
6 PWM-
Vdrive
7 SS_EN
LowDrive
8 Blanking
VS
R4147
ACN7165-A
3216
4.7u
L4104
ATL7020-A
VSS+10V
/5-5/5
VD1
SC1
V+5V
R4275
Q4210
R4266 R4267
2SA1514K(RS) 10
R4270
10K 1% 1k
1%
1k
VD2
GND
GND
Q4110
R4166 R4167
2SA1514K(RS)
R4170
10K 1%
1k 1%
1k
GND
GND
5
6
VD1
R4245
10k
2125
1%
Q4202
2SC5738
!
R4248 D 2
3216
ACN7165-A
G
D4201
1
S 3
RB161VA-20
16
15 Q4203
2SA2061
PWM1
14
D4205 R4250
13
2125
D4206 10k
12
1%
RF051VA2S
11 RF051VA2S
Q4204
10
2SC5738
!
9
R4249
D 2
3216
ACN7165-A
G
D4202
1
S 3
RB161VA-20
Q4205
2SA2061
VS1
VD2
R4145
10k
2125
1%
Q4102
!
2SC5738
D
R4148 2
3216
ACN7165-A
G
D4101
1
3
S
RB161VA-20
16
15
Q4103
2SA2061
PWM2
14
D4105 R4150
13
2125
D4106 10k
12
1%
RF051VA2S
11 RF051VA2S
(FL)
10
Q4104
2SC5738
9
!
R4149
D 2
3216
ACN7165-A
G
D4102
1
S 3
RB161VA-20
Q4105
2SA2061
VS2
Q4211
2SA1602A(EF)
2
8 GND
1
TEMP_OUT
4
3
IC4204
Q
1/5,3/5-5/5
NJM12904V
GND
IC4204
NJM12904V
Q4111
2SA1602A(EF)
6
GND
7
5
6
Output Power Stage and LP Filter
V+64V
GND
VD
L4200
ATL7017-A
15u
VS
R4255
ZOBEL1
GND
2125
1%
15k
V+12RY
GND GND
Q 1/5
Q4112
RYA
RT1N140M
V-12RY
V+64V
VD
GND
(FL)
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 or NETWORKS-1/32W 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
: Audio Signal Route
SC-LX82
7
Q
2/5 ICEPOWER AMP ASSY
(AWH7023: SC-LX82)
(AWH7020: SC-LX72)
GND
4
3
12u
1
2
ATL7022-A
L4201
GND
GND
GND
RY4100
ASR7001-A
(C)
C+
Q 5/5
C-
GND
L4101
ATL7022-A
4
3
(FL)
12u
1
2
GND
GND
GND
7
8
A
VNE1948-A B
KN4100
GND1 GND3
1 3
2 4
GND4
GND2
GND
C
SPEAKER TERMINAL(6P)
JA4101
AWH7023 AKE7148-B
AWH7020 AKE7144-A
*JA4101
1
R+
2
R-
(FL)
3
7 L+
4
L-
5
C+
6
C-
D
GND
E
F
Q
2/5
141
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