Onkyo TX-SR804, Service Manual

Page: 26 / 237

TX-SR804/804E
SCHEMATIC DIAGRAM-3 (SD-3)
POWER AMP SECTION-2
TX-SR804/804E
A
1
2
3
4
5
B C D E F G H
NFL
-B1L
+B1L
B+L
B-L
NFR
+B1R
B+R
B-R
-B1R
NFC
-B1C
+B1C
B+C
B-C
NFSL
-B1SL
+B1SL
B+SL
B-SL
NFSR
-B1SR
+B1SR
B+SR
B-SR
NFSBL
-B1SBL
+B1SBL
B+SBL
B-SBL
NFSBR
-B1SBR
+B1SBR
B-SBR
B+SBR
AGND
C
SBR
R L
SL SR
SBL
AGND AGND
AGND AGND AGND
NAAF-9003
R5001
1K
C5011
47/50
+
R5011
56K
R5041
2.2K
R5091
100K
R5111
1K
Q5011
2SC1845-E
D5001
MTZJ5.6B
C5021
10/50
+
Q5051
2SC1845-E
R5071
NC
C5101
10/100
+
R5171
(1/4W)
100
C5051 47/50
+
C5091 101K
C5081
040D R5031
120K
R5231
120K
R5161
(1/4W)
100
R5181
(1/4W)
10
R5191 (1/4W)
10
C5041
220/16
+
R5051
4.7K
R5002
1K
C5012
47/50
+
R5012
56K
R5042
2.2K
D5002
MTZJ5.6B
C5022 10/50
+
R5092
100K
R5112
1K
Q5002
2SC1845-E
R5022
330
R5052
4.7K
Q5012
2SC1845-E
C5042 220/16
+
Q5052
2SC1845-E
R5072
NC
C5112
10/100
+
C5102
10/100
+
R5162 (1/4W)
100
C5082
040D
R5032
120K
C5052
47/50
+
C5092
101K
R5182 (1/4W)
10
D5003
MTZJ5.6B
Q5003
2SC1845-E
R5023
330
Q5013
2SC1845-E
R5053
4.7K
Q5053
2SC1845-E
R5073
NC
C5043 220/16
+
C5103
10/100
+
R5163
(1/4W)
100
C5083
040D R5033
120K
R5233
120K
C5053
47/50
+
C5093 101K
R5173
(1/4W)
100
R5183
(1/4W)
10
R5193
(1/4W)
10
C5023 10/50
+
R5043
2.2K
R5004
1K
C5014
47/50
+
R5014
56K
R5044
2.2K
D5004
MTZJ5.6B
C5024 10/50
+
R5094
100K
R5024
330
Q5004
2SC1845-E
R5054
4.7K
C5044
220/16
+
Q5014
2SC1845-E
R5114
1K
Q5054
2SC1845-E
R5074
NC
C5114
10/100
+
C5104
10/100
+
R5164
(1/4W)
100
C5084
040D
R5034
120K
C5054
47/50
+
C5094 101K
R5174
(1/4W)
100
R5194
(1/4W)
10
R5184
(1/4W)
10
R5234
120K
R5005
1K
C5015
47/50
+
R5045
2.2K
R5095
100K
R5015
56K
Q5005
2SC1845-E
R5025
330
R5115
1K
Q5015
2SC1845-E
R5055
4.7K C5045
220/16
+
Q5055
2SC1845-E
R5075
NC
C5105
10/100
+
C5115
10/100
+
R5165
(1/4W)
100
C5085
040D
R5035
120K
R5235
120K
C5055
47/50
+
C5095
101K
R5175
(1/4W)
100
R5185
(1/4W)
10
R5195
(1/4W)
10
P6005A
5
4
3
2
1
R5006
1K
C5016
47/50
+
R5046
2.2K
R5016
56K
Q5006
2SC1845-E
R5026
330
R5096
100K
R5116
1K
Q5016
2SC1845-E
R5056
4.7K
Q5056
2SC1845-E
D5006
MTZJ5.6B
C5026
10/50
+
R5076
NC
C5046
220/16
+
C5106
10/100
+
C5116 10/100
+
R5166
(1/4W)
100
C5056
47/50
+
C5086
040D R5036
120K
R5236
120K
C5096
101K
R5186
(1/4W)
10
R5176 (1/4W)
100
R5196 (1/4W)
10
R5000
1K
C5010
47/50
+
R5010
56K
R5020
330
C5040
220/16
+
Q5000
2SC1845-E
R5050
4.7K
Q5050
2SC1845-E
R5040
2.2K
R5090 100K
Q5010
2SC1845-E
C5100
10/100
+
C5110 10/100
+ C5090
101K
C5050
47/50
+
C5080
040D
R5160 (1/4W)
100
R5180 (1/4W)
10
R5110
1K
R5030
120K
R5230
120K
C5111 10/100
+
R5081
470
R5060
1.2K
R5062
1.2K
R5061
1.2K
R5063
1.2KK
R5064
1.2K
R5065
1.2K
R5085
470
R5066
1.2K
R5086
470
P6000A
5
4
3
2
1
P6001A
5
4
3
2
1
P6002A
5
4
3
2
1
P6003A
5
4
3
2
1
P6004A
5
4
3
2
1
D5005
MTZJ5.6B
C5025
10/50
+
C5113 10/100
+
R5083
470
R5084
470
Q5001
2SC1845-E
R5021
330
Q5031
2SA949Y
Q5030
2SA949Y
Q5034
2SA949Y
Q5041
2SC2229-Y
Q5042
2SC2229-Y
Q5032
2SA949Y
Q5033
2SA949Y
Q5043
2SC2229-Y
Q5044
2SC2229-Y
Q5035
2SA949Y
Q5045
2SC2229-Y
Q5036
2SA949Y
Q5046
2SC2229-Y
R5101 100K
R5102 100K
R5103 100K
R5104 100K
R5105 100K
R5106 100K
R5113
1K
R5232
120K
JL6006A
1
2
3
4
5
R5003
1K
C5013
47/50
+
R5093
100K
R5013
56K
P6011B
P5503A
1
P5004A
1 2 3 4 5
6
7
8 9
10 11 12 13
R5190
(1/4W)
10
R5170
(1/4W)
100
R5080
470
R5070
NC
Q5040
2SC2229-Y
R5100 100K
C5020
10/50
+
D5000
MTZJ5.6B
R5192
(1/4W)
10
R5172
(1/4W)
100 R5082
470
R5130
22K
R5200
22K
R5131
22K
R5201
22K
R5132
22K
R5202
22K
R5203
22K
R5133
22K
R5204
22K
R5134
22K
R5205
22K
R5135
22K
R5206
22K
R5136
22K
C5000
221K
C5001
221K
C5002
221K
C5003
221K
C5004 221K
C5005 221K
C5006 221K
Surround L ch
Surround R ch
Surround Back
R ch
Surround Back
L ch
Center ch
Front L ch
Front R ch
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
U20 DRIVER AMPLIFIER PC BOARD
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V 0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
0V
0V
-51.2V
-51.8V
+1.1V
-1.0V
+56.5V
-56.5V
+55.3V
-55.5V
TO NAAF-8678
SD-2:C1
TO NAAF-8678
SD-2:C2
TO NAAF-8678
SD-2:C3
TO NAAF-8678
SD-2:F1
TO NAAF-8678
SD-2:F2
TO NAAF-8678
SD-2:F3
TO NAAF-8678
SD-2:F4
TO NAAF-8678
SD-1:D5
AGND