Pioneer SC-95 Service Manual page 34

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1
Zobel Detection
Over Current Detection of MOS FET in Output Stage
A
Q
D AMP_SS(_S) ASSY
B
IC4201
!
IC4203
C
GNDP
IC4101
IRS2092SPBF
DRIVER
1
VAA
2
GND
3
IN-
4
COMP
R4189
5 CSD
120
6 VSS
R4129
7
VREF
2125
2.2k
8 OCSET
D
V-5V_CSD
V-5VFILT2
GNDS
VSS+12V
R4104
R4140
NM
47
R4109
22k
E
J
DISPLAY
ASSY
CN6001
-33
13
UCOM
IC6001
F
34
1
2
V+5V_S
AMPOVERLOAD
Q
2/6 - 6/6
Q4104
R6444
D4119
2SC4081(QRS)
R4155
1SS355
R4153
0
100k 1%
47k
VD2
D4117
R4186
2125
RF071M2S
100
!
Q4101
!
IRF6775MPBFS1-TRB
R4137
GATE
DRAIN1
3216
10
3
4
ACN7165-A
DRAIN2
5
16
SOURCE2
DRAIN3
CSH
2
6
15
SOURCE1
DRAIN4
VB
1
7
14
HO
13
VS
12
Q4102
!
VCC
IRF6775MPBFS1-TRB
R4141
11
GATE
DRAIN1
3216
LO
10
3
4
10
ACN7165-A
DRAIN2
COM
R4132
5
9
SOURCE2
DRAIN3
2125
DT
11k
2
6
SOURCE1
DRAIN4
1
7
VS2
!
Q
2/6
CN7903
CN7902
-7
-8
U
V-REG_S ASSY
2
3
R4043
R4044
1.5k
100
GND
IC4401
!
IC4403
ATH7090-A
L4100
PWM2
IC4301
!
IC4302
Q
3/6
E
DIGITAL MAIN
ASSY
CN601
CN603
CN7952
-32
-17
-17
W
SC-95
3
4
XOLERR
IC4601
IC4701
IC4801
!
!
!
IC4603
IC4803
IC4703
IC4501
IC4901
!
IC4502
IC4902
(AWH7114, AWH7115
only)
Q
Q
Q
4/6
5/6
6/6
F
INTERFACE_S
ASSY
CN7954
CN7004
CN7006
-13
-13
-15
CONNECT_S ASSY
4
CN4000
-5
!
XOLERR

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