D Amp_Ss Assy (1/6) - Pioneer SC-82 Service Manual

1

10.33 D AMP_SS ASSY (1/6)

A
*R4036
100
GND
B
R5056
R5057
R5058
G
CN7006
CN4000
9604S-19C
C
EXSO 1
EXSCK 2
EXOE 3
EXST 4
XOLERR 5
XBERR 6
IRMUTEA 7
IRMUTESB 8
IRMUTEFH 9
RY_FW 10
RY_AF 11
RY_CR 12
RY_FH 13
RY_B 14
AMP_TEMP 15
XTEMPERR5 16
XDCERR 17
GNDD 18
D
GNDD 19
GND1
R
1/6
GNDP
DC_DETECT5
HN1C01FU(YGR)
Q4029
6
R6440
C1
0
5
B2
4
E2
GND_DC
*R6439
DC_DETECT4
NM
R
6/6
E
GND_DC
DC_DETECT3
R6438
0
R
3/6
GND_DC
DC_DETECT1
R
2/6
F
DC_DETECT2
R
5/6
R
1/6
68
1
2
V+5V_S
AM CONTROL
CIRCUIT
*R4037
100 V-5V_S GND
GND
V+5V_S
CFHXSQ103J16-T
C5186
0.01u/16
YB
C4086 NM
C4087 NM
IC4007
120 1 16
STB VDD
120 2 15
R4008
DATA OE
100
120 3 14
R4009
CLOCK Q5
100
R5071
4 13
R4010
Q1 Q6
100
220 5 12
R4011
Q2 Q7
100
6 11
Q3 Q8 *R5051
R4007 7 10
Q4 QS'
NM
100
8 9
VSS QS
BU4094BCFV
GND
R5070
330
R4043
100
GND
*R5082 NM R5064 120
R4046 100 R4050 120
R4047 NM R4051 120
R4048
R4052 120
100
R4049 *R4053
100 NM
R4034 R4035
100 120
DCdetRY
R4092 GND
R4093 120
220
R4024
R4022 120
100
R4025
R4021 270
100
R4026
R4023 120
100
1
E1
2
B1
3
C2
NM
*Q4028
GND
6 1
C1 E1
5 2
B2 B1
4 3
E2 C2
HN1C01FU(YGR)
Q4027
6 1
C1 E1
5 2
B1
B2
4 3
E2 C2
HN1C01FU(YGR)
Q4014
6 1
C1 E1
R6437
5 2
B2 B1
4 3
0
E2 C2
GND_DC
HN1C01FU(YGR)
Q4016
6 1
C1 E1
R4017
5 2
B2 B1
10
4 3
E2 C2
GND_DC
2
3
OSC1
R
2/6 - 6/6
R
3/6
R
R
4/6
2/6
MUTE_F
R5181
100
R
MUTE_S
R5182
100 3/6
MUTE_H
R5183
100
R
4/6
MUTE_C
R5184
100
MUTE_B
*R5185 NM
R
5/6
R
6/6
R4001
120
R4002
100
*R4003
NM
R4004
120
R5065
100
V+5V_S
R4044
AMPOVERLOAD
1.5k
R
2/6 - 6/6
GND
RYB
Q4018
DTA124EUA
*Q4010
RYH
NM
*Q4011 DCdetRY
NM
DCdetRY
R
Q4019
3/6
DTC114TUA
GND
R
4/6
GND
XBERR
IC4005
TA76L431FB R4094
2.2k
R4054
3.3k
R5165 R4097
100
10
GND_TP
GND_TP GND_TP
R
2/6 - 6/6
TEMP_OUT
GND_TP
V+5V_S
2SA1576A(QRS)
Q4020
GND_DC
R4864
Q4021
2SC4081(QRS)
10
GND_DC
GND_DC
SC-82
3
4
R4084
120
GND
R4085
120
R
2/6
R4086 GND
IREN_LR
120
IREN_SLR
IREN_FHLR
IREN_C
R4087 GND
120
R
5/6
IREN_SBLR
GND
*R5069
NM
R
6/6
GND
GND
*R4098 R4099
120
NM
GND
RYC
RYS
Q4006
DTA124EUA
Q4008
DTA124EUA
Q4007
DCdetRY
DTC114TUA
Q4009
DCdetRY
DTC114TUA
R
2/6
R
GND
3/6
GND
OVER HEAT
DETECT CIRCUIT
V+5V_S
R4058
68k
VCC
6
8
R5031 D4005 R5032
7
100 1SS355 100
4
5
GND
IC4001
BU7262SFVM
(2/2)
GND_TP
R4062
3.3k
DCdetRY
DC DETECT
CIRCUIT
R5089
NM
R5090
GNDP
NM
R5044
0
GND_B GNDS
R5085 R5087
2SC4081(QRS)
NM NM
R5086 R5088
GNDP GNDP
NM NM
R5046 R5045
0 0
GND_DC GNDS GND_TP GNDS
4
IC4004
TC74VHCT08AFKS
14
12
R6
11
V+5V_S
R4013
1
13
7
150
IC4004
GND
14
9
R6
8
R4014
1
10
7
150
IC4004
14
4
6
R4015
5
7
150
IC4004
1
R4016
2
150
1
*R5067
2
3
NM
GND
AMP
AMPDISABLE3
R
R6434
470k
R
R5080 Q4036
2SA1576A(QRS)
47k
GND
V-12V_M
RYA
Q4031
DTA124EUA
Q4004
DTA124EUA
Q40
DTC
Q4005
DCdetRY
DTC114TUA
R
GND
2/6
GND
IC4001 (1/2)
BU7262SFVM
VCC
2
8
1
4
3 R4064
GND
47k
TEMP CONSTANT
GND
CURRENT CIRCUIT
V+5V_S
Q4038
2SC4081(QRS)
Q4037
TEMP
R
2/6
GND_TP