Pioneer Elite SC-81, Service Manual

Page: 78 / 174

78
SC-82
1 2 3 4
A
B
C
D
E
F
1 2 3 4
10. 3 8 D AMP_SS ASSY (6/6)
R
6/6
!
!
!
CN4900
KM200IB5
S BL+ 1
S BL- 2
GGND_ S BL 3
V+12 S BL 4
V-12 S BL 5
*CN4 8 00
NM
S BR+ 1
S BR- 2
GGND_ S BR 3
V+12 S BR 4
V-12 S BR 5
*C4950
ACH7
3
59-A-F
220u/
8
0
*C4
8
49
ACH7
3
59-A-F
220u/
8
0
*C4
8
09
ACH7
3
20-A
*C490
8
ACH7
3
20-A
*C4909
ACH7
3
20-A
*C4
8
66
ACH7
38
9-A-T
8
2u
*C4
8
50
ACH7
3
59-A-F
220u/
8
0
*C4
8
0
8
ACH7
3
20-A
*C4966
ACH7
38
9-A-T
8
2u
*C4967
8
2u
ACH7
38
9-A-T
*C4949
ACH7
3
59-A-F
220u/
8
0
*C4
8
67
8
2u
ACH7
38
9-A-T
*C4
8
21
NM
CFHX
S
Q10
3
J16-T
*C491
3
NM
YB
*C4 8 2 3
NM
*C4
8
51
NM
YB
*C4920
NM
*C4
8
52 NM
YB
*C494
8
NM
0.1u
3
5V
*C492 3
NM
*C4
8
1
3
NM
YB
*C4
8
19
NM
27p/
3
150v
*C4919
NM
27p/
3
150v
*C4922
NM
CFHX
S
Q10
3
J16-T
*C4921
NM
CFHX
S
Q10
3
J16-T
*C4
8
4
8
NM
0.1u
3
5V
*C4
8
22
NM
CFHX
S
Q10
3
J16-T
*C4 8 24
NM
YB
*C4
8
05
NM
1000p
6
3
V
*C4905
NM
1000p
6
3
V
*C4924
NM
YB
*C4 8 20
NM
*C495
3
NM
*C4952
NM
YB
*C4
8
5
3
NM
*C4951
NM
YB
*C4911
NM
CFHX
S
Q10
3
J16-T
*C4
8
11
NM
CFHX
S
Q10
3
J16-T
GND_TP2
GND S
GND S
GND S
GND S
GND S
GNDP
GND S
GND S
GND_TP
GND_TP
GND S
GNDP
GND_TP
GND S
GND S
GND S
GND S
GND_TP2
GND_TP
GND_TP2
GND_TP
GND S
GNDM
GNDM
GNDM
GNDM
GND
GND
GNDM
GNDP
GND S
GND_TP2
GNDM
*IC4
8
0
3
CONT
1
GND
2
NC
3
VOUT
4 5
VIN
*IC4902
CONT
1
GND
2
NC
3
VOUT
4 5
VIN
NM
*IC4 8 01
VAA
1
GND
2
IN-
3
COMP
4
5
C S D
6 V
SS
7
VREF
8
OC S ET
D
C
VC
V
H
V
C
NM
*IC4901
VAA
1
GND
2
IN-
3
COMP
4
5
C S D
6 V
SS
7
VREF
8
OC S ET
D
C
VC
V
H
V
C
*Q490 8
NM
*Q4 8 12
NM
*Q5021
NM
*Q4 8 0 8
NM
*Q5022
NM
*Q4909
NM
*Q4 8 14
NM
*Q4905
NM
*Q490 3
NM
*Q4 8 05
NM
*Q4 8 09
NM
*Q4 8 0 3
NM
NM
*Q4 8 10
NM
*Q4 8 06
NM
*Q4911
NM
*Q4910
NM
*Q4
8
1
3
NM
*Q4906
NM
*Q4907
NM
*Q4
8
07
NM
*Q491
3
NM
*Q4 8 11
*R4 8 92
NM
2125
*R4 8 00
NM
*R4966
NM 1%
*R4
88
7
NM
3
216
*R4 8 19
NM
1%
*R4 8 70
NM
*R4
8
6
3
NM
1%
*R4 8 4 8
NM
1%
*R4 8 09
NM
*R4 8 20
NM
1%
*R4
8
50
NM
1%
*R4 8 16
NM
5025
*R4
8
45
NM
1%
*R4
83
0
NM
2125
*R4945
NM
1%
*R4921
NM
*R4 8 15
NM
1%
47k
*R4 8 04
NM
*R4
8
6
8
NM
1%
*R4919
NM
1%
*R4972
NM
*R4 8 75
NM
*R4909
NM
*R4 8 01
NM
*R4971
NM
*R4992
NM
2125
*R4 8 71
NM
*R4970
NM
*R4 8 29
NM
2125
*R4906
NM
*R4905
NM
*R4
8
06
NM
*R4
8
05
NM
*R4 8 25
NM
0.22 /5W
*R4 8 67
NM 1%
*R4900
NM
*R494 8
NM
1%
*R4950
NM 1%
*R49
3
0
NM
2125
*R492
8
NM *R4944
NM
*R4927
NM
3 216
*R4924
NM
*R4929
NM
2125
*R4 8 44
NM
*R4 8 26
NM
0.22 /5W
*R4 8 24
NM
*R4915
NM
1%
47k
*R4
8
0
3
NM
3
216
*R4
8
62
NM
3
216
*R49
8
7
NM
3
216
*R4904
NM
*R4
888
NM
3
216
*R4
8
5
8
NM
*R4967
NM 1%
*R4916
NM
5025
*R496
8
NM
1%
*R4920
NM
1%
R4964
NM
*R4 8 60
NM
*R4 8 49
NM
2125
*R4949
NM
2125
*R4
8
21
NM
*R4960
NM
*R4969
NM
1%
*R4 8 40
NM
3 216
*R4965
NM
160 8
*R4962
NM
3
216
*R4991
NM
2125
*R4 8 65
NM
160 8
*R4976
NM
160
8
*R4
8
76
NM
160
8
*R49
88
NM
3
216
*R4951
NM
*R4
8
51
NM
*R4 8 7 8
NM
5025
*R497 8
NM
5025
*R4940
NM
*R49
3
1
*R4
8
69
NM
1%
*R4 8 90
NM
*R49 8 9
NM
*R49
8
4
NM
*R49
8
0
NM
*R49
8
5
NM
*R4 88 9
NM
*R4
88
4
NM
*R4
88
0
NM
*R4
88
5
NM
*R4926
NM
0.22 /5W
*R4990
NM
*R4910
NM
*R4 8 10
NM
*R496
3
NM
1%
*R4959
NM
*R4 8 79
NM
160 8
*R4
8
59
NM
*R4979
NM
160 8
*R4 8 72
NM
*R4
883
NM
*R4
83
1
*R49
83
NM
*R4
88
2
NM
*R49
8
2
NM
*R4 8 91
NM
2125
*R51
38
NM
2125
*R51
3
7
NM
2125
*R51 3 6
NM
160 8
*R51
3
5
NM
160
8
*R51
3
4
NM
*R51 33
NM
160 8
*R490
3
NM
3
216
*R514
8
NM
*R5156
NM
*R51 8 7
NM
160 8
*R5150
NM
*R51
88
NM
160
8
*R51 8 9
NM
160 8
*R4901
NM
*R4 8 27
NM
3 216
*R4 8 2 8
NM
*R5121
NM *R4
8
47
NM
*R4 8 66
NM 1%
*R4925
NM
0.22 /5W
*R495
8
NM
*R4
8
46
NM
*R4
8
1
8
NM
*R491
8
NM
*R4946
NM
NM
*R49
8
1
NM
*R4
88
1
V+64V
VD9
V+5VFILT 8
V SS +12V
V-5VFILT9
V-64V
V-5V_C S D
V+5V_ S
V+5V_ S
V+5VFILT9
V-12V_M
V-12V_M
V+12V_M
V+5V
V S
V SS +12V
V+5V_ S
VD 8
V-5V_C S D
V+5V_ S
V+5VFILT9
VD9
V+12V
V S 9
V-5V
V S8
V+12V_M
V-12V
V-5VFILT 8
VD 8
V+5V
V-5VFILT 8
V-12V
V+5VFILT 8
V+12V
V+12V_M
V-5V
V-5VFILT9
VD
V+5V_ S
PWM9
S BMUTE
O S C1
TEMP
IREN_ S BLR
O S C1
PWM 8
IREN_ S BLR
MUTE_B
TEMP_OUT
AMPDI S ABLE 3
AMPDI S ABLE 3
GND_TP
*Q4 8 17
NM
*Q4917
NM
*R646
8
NM
*R6469
NM
*R6477
NM
*R647
8
NM
6sht_2/ 8
6sht_1/ 8
6sht_5/ 8
6sht_ 3 / 8 6sht_4/ 8
MODULATOR & MO S FET Driver
DRIVER
DRIVER
This p a ge AWX1922 - AWX1925 only
R
1/6
R
1/6
R
1/6
R
1/6
R
1/6
Q
CN 38 20
Q
CN 38 10
R
1/6
R
1/6 - 5/6
R
1/6 - 5/6
R
1/6 - 5/6
R
1/6 - 5/6