D Amp_Ss Assy (6/6) - Pioneer SC-82 Service Manual

1

10.38 D AMP_SS ASSY (6/6)

A
6sht_2/8
This page AWX1922 - AWX1925 only
B
SBMUTE
V+12V
*CN4800
NM
GNDS
SBR+ 1
SBR- 2
GGND_SBR 3
*R4891
V+12SBR 4
2125
NM
V-12SBR 5 2125
*R4892
NM
GNDS
Q
C
CN3820
R
V-12V
V+5V
V+5VFILT9
*R4871
NM
GNDS
*R4872
NM
V-5V V-5VFILT9
Q
D V+12V
CN3810
CN4900
KM200IB5
GNDS
SBL+ 1
SBL- 2
GGND_SBL 3
*R4991
V+12SBL 4
2125
NM
V-12SBL 5 2125
*R4992
NM
GNDS
V-12V
6sht_1/8
VD
E
V+64V
0.22
GNDP
0.22
V-64V
VS
F
R
6/6
78
1
2
6sht_3/8
R
1/6
V+12V_M
*R5136
*Q4814
1608
NM
NM
*R5133
*R4865
*Q4812
1608
NM
NM
1/6
*R4965
MUTE_B
GNDM
GND
GNDM V+12V_M
*R5189
*Q5022
1608 NM
NM
*R5187
*Q5021
1608 NM
NM
GNDM
GND
V+5V V+5VFILT8
GNDM
*R4971
NM
GNDS
*R4972
NM
V-5V V-5VFILT8
*R4900
NM
R
NM VD9 NM VD8
/5W 0.22 /5W
*R4825 *R4925
TEMP
*R4826 *R4926
/5W 0.22 /5W
NM NM
VS9 VS8
2
3
6sht_4/8
*R4800 *R4848
NM
NM
1%
*R4849
NM
2125
*Q4809
NM
V+12V_M
*R4879
1608
NM
GNDM
1608
NM
1608 *R4979
NM
1608
NM
V-12V_M
V-12V_M
*R4978
5025
NM
1%
*R4915
*R4916
5025
NM NM
47k
GNDP
*R4901
*R4948
NM
NM
1%
*R4949
NM
2125
NM *Q4909
GNDM
VD9
!
1/6 - 5/6
*Q4808
NM
*Q4810
*R4866 *R4867
NM
NM 1% NM 1%
VD8
GND_TP2
!
GND_TP2
*Q4910
*R4966
NM
*R4970
*R4967
NM 1%
*Q4908
NM 1%
NM
NM
GND_TP2
GND_TP2
SC-82
3
4
6sht_5/8
*R4878
R
5025
1/6 - 5/6
NM
1%
*R4815
*R4816
PWM9
5025
NM NM
47k
1%
*R4819
NM
*Q4803
1%
NM
*R4820 *C4824
NM NM
YB
GNDP
GNDS
AMPDISABLE3
R
1/6
V+5V_S
NM
*R4828
3216
NM
R *R4827
1/6
NM
*Q4806
*R4801 IREN_SBLR *R4824
NM
NM
*C4820 *C4823
NM NM
GNDS
V-5V_CSD
R
1/6 - 5/6
PWM8
R
1/6
OSC1
1%
*R4919
V+5V_S
NM
*Q4903
1%
NM
*R4920 *C4924
NM NM
YB
*R4951 AMPDISABLE3
GNDS
NM
IREN_SBLR
*R4924
*R4927
R NM
1/6
3216
*Q4906
NM NM
*C4920 *C4923
NM
NM
GNDS
V-5V_CSD
V+5V_S
*Q4811
*R4875
NM
GND_TP
NM
*R4870
*Q4817
TEMP_OUT
NM
NM *R4810
R
NM
GND_TP
GND_TP
*Q4911
GND_TP NM
*Q4917
NM
*R4910
NM
GND_TP
GND_TP
4
MODULATOR & MOS FET Driver
V+5VFILT9
V+5V_S
OSC1
GNDS
*R4844
*R4860
NM
NM
*Q4805
*IC4801
NM
DRIVER
1
NM VAA
C
2
GND
V
3
IN-
H
*R4890 4
COMP
V
NM
*R4889 5 CSD
VC
NM
6 VSS
*R4829
7
VREF
2125
C
NM
8 OCSET
D
GNDS
V-5VFILT9
VSS+12V
*R4804
*R4840
NM
3216
NM
V+5V_S
*R4809
NM
V+5VFILT8
*IC4901
*R4960
NM
*Q4905
NM
NM
DRIVER
GNDS 1
VAA
C
2
GND
V
3
IN-
H
*R4990 4
COMP
V
NM
*R4989 5 CSD
VC
NM
6 VSS
*R4929
7
VREF
2125
C
NM
8 OCSET
D
GNDS
V-5VFILT8
VSS+12V
*R4904
*R4940
NM
NM
*R4909 !
1/6 - 5/6
NM