Onkyo TX-SR55 Service Manual page 33

A B
SCHEMATIC DIAGRAM 3
Driver section
NAAF-8383
U6
1
2
3
4
5
C
SL R5163
120 (1/4W)
R5113
[52.5V]
1K
R5093
Q5033
100K
[52.0V]
[1.1V]
[51.5V]
C5103 C5053
C5013 10/63 47/50
R5003 Q5003 Q5013 C5083
10/50
1K [-0.1V] 040C
[0V]
R5013 R5023 R5033
C5003 56K 330 C5043 56K
[-0.65V] R5053
101K 220/16
4.7K
R5223 27K
R5133
18K
Q5053
C5093
[-47.5V]
101K [-1.1V]
R5043 2.2K
[-48.1V]
C5113
Q5043
R5063 10/63
C5023
1.2K
R5103 10/50
D5003 100K R5173
R5083 [-51.7V] [-52.2V]
MTZJ5.6B 120 (1/4W)
470
SR
R5164
120 (1/4W)
R5114
[52.5V]
1K
R5094
Q5034
100K [52.0V]
[1.1V]
[51.5V]
C5104 C5054
10/63
C5014 47/50
R5004 Q5004 Q5014 C5084
10/50
[-0.1V]
1K 040C
[0V]
R5014 R5024 R5034
C5004 56K 330 [-0.65V] C5044 56K
R5054
101K 220/16
4.7K
R5224 27K
R5134
18K
Q5054
C5094
[-47.5V]
[-1.1V]
R5044 2.2K 101K
[-48.1V]
C5114
Q5044
R5064 10/63
C5024
1.2K
R5104 10/50
D5004 100K R5084 [-51.7V] R5174
[-52.2V]
MTZJ5.6B 470 120 (1/4W)
SBL
R5165
120 (1/4W)
R5115
[52.5V]
1K
R5095
Q5035
100K [52.0V]
[1.1V]
[51.5V]
C5105 C5055
C5015 10/63 47/50
R5005 Q5005 Q5015 C5085
[-0.1V] [0V]
10/50
1K 040C
R5015 R5025 R5035
C5005 56K 330 C5045 56K
[-0.65V] R5055
101K 220/16
4.7K
R5225 27K R5135
18K
Q5055
C5095
[-47.5V]
R5045 2.2K 101K [-1.1V]
[-48.1V]
C5115
Q5045
R5065 10/63
C5025
1.2K
R5105 10/50
D5005 100K R5175
R5085 [-51.7V] [-52.2V]
MTZJ5.6B 120 (1/4W)
470
SBR R5166
120 (1/4W)
R5116
[52.5V]
1K
R5096
Q5036
100K
[52.0V]
[1.1V]
[51.5V]
C5106 C5056
C5016 47/50
R5006 Q5006 Q5016 10/63 C5086
10/50
1K [-0.1V] 040C
[0V]
R5016 R5026 R5036
C5006 56K 330 C5046 56K
[-0.65V] R5056
101K 220/16
4.7K
R5226 27K
R5136
18K
Q5056
C5096
[-47.5V]
101K [-1.1V]
R5046 2.2K
[-48.1V]
C5116
Q5046
R5066 10/63
C5026
1.2K
R5106 10/50
D5006 100K R5176
R5086 [-51.7V] [-52.2V]
MTZJ5.6B 120 (1/4W)
470
D E
TO NAAR-8365
(SCH. 1)
TO NAAR-8365
P308A
P308C (SCH. 1)
[53.0V]
R5183
10
(1/4W)
P6003A
NF
-B1
+B1
B+
B-
R5193
10
(1/4W)
[-53.0V]
[53.0V]
R5184
10
(1/4W)
P6004A
NF
-B1
+B1
B+
B-
R5194
10
(1/4W)
[-53.0V]
[53.0V]
R5185
10
(1/4W)
JL6005A
NF
-B1
+B1
B+
B-
R5195
10
(1/4W)
[-53.0V]
[53.0V]
R5186
10
(1/4W)
JL6006A
NF
-B1
+B1
B+
B-
R5196
10
(1/4W)
[-53.0V]
F G
L R5160
120 (1/4W)
R5110
[52.5V]
1K
R5090
Q5030
100K
[52.0V]
[1.1V]
[51.5V]
C5100 C5050
C5010 47/50
10/63
R5000 Q5000 Q5010 C5080
47/50 [-0.1V]
1K 040C
[0V]
R5010 R5020 R5030
C5000 56K 330 C5040 56K
[-0.65V] R5050
101K 220/16
4.7K
R5220 27K
R5130
22K
Q5050
C5090
[-47.5V]
101K [-1.1V]
R5040 2.2K
[-48.1V]
C5110
Q5040
R5060 10/63
C5020
1.2K
R5100 10/50
D5000 100K R5170
[-51.7V]
R5080 [-52.2V]
MTZJ5.6B 120 (1/4W)
470
R
R5161
120 (1/4W)
R5111
[52.5V]
1K
R5091
Q5031
100K [52.0V]
[1.1V]
[51.5V]
C5101 C5051
C5011 10/63 47/50
R5001 Q5001 Q5011 C5081
47/50
[-0.1V]
1K [0V] 040C
R5011 R5021 R5031
C5001 56K 330 [-0.65V] C5041 56K
R5051
101K 220/16
4.7K
R5221 27K
R5131
22K
Q5051
C5091
[-47.5V]
[-1.1V]
R5041 2.2K 101K
[-48.1V]
C5111
Q5041
R5061 10/63
C5021
1.2K
R5101 10/50
[-51.7V]
D5001 100K R5081 [-52.2V] R5171
MTZJ5.6B 470 120 (1/4W)
C
R5162
120 (1/4W)
R5112
1K [52.5V]
R5092
Q5032
100K [52.0V]
[1.1V]
[51.5V]
C5102 C5052
C5012 10/63 47/50
R5002 Q5002 Q5012 C5082
10/50
1K [-0.1V] 040C
[0V]
R5012 R5022 R5032
C5002 56K 330 C5042 56K
R5052
[-0.65V]
101K 220/16
4.7K
R5222 27K R5132
18K
Q5052
C5092
[-47.5V]
R5042 2.2K 101K [-1.1V]
[-48.1V]
C5112
Q5042
R5062 10/63
C5022
1.2K
R5102 10/50
D5002 100K R5082 [-51.7V] R5172
[-52.2V]
MTZJ5.6B 470 120 (1/4W)
SEMICONDUCTORS
NO. X=0,1,2 (0:L, 1:R, 2:C)
Q500X,Q501X 2SC1775A-E,F OR 2SC1845-E
Q503X 2SA1360-Y,O
Q504X
2SC3423-Y,O
Q505X KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
TX-SR55
H
[53.0V]
R5180
10
(1/4W)
P6000A
NF
-B1
+B1
B+
B-
R5200
22K
R5190
10
(1/4W)
[-53.0V]
[53.0V]
R5181
10
(1/4W)
P6001A
NF
-B1
+B1
B+
B-
R5201
22K
R5191
10
(1/4W)
[-53.0V]
[53.0V]
R5182
10
(1/4W)
P6002A
NF
-B1
+B1
B+
B-
R5192
10
(1/4W)
[-53.0V]
X=3,4,5,6 (3:SL, 4:SR, 5:SBL, 6:SBR)
KTC3200-BL OR 2SC1775A-E,F OR 2SC1845-E
KTA1024-Y,O OR 2SA949-Y,O
KTC3206-Y,O OR 2SC2229-Y,O
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F