Table Of Contents - Onkyo TX-SR55 Service Manual

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A
B
Power amplifier and Speaker terminal sections
NAAF-8391
Refer to the list of SCH. 4 for semiconductors.
1
SBL
U14
R6035
1K
R6005
5.6K
R6015
3.9K
Q6015
NF
-B1
+B1
B+
B-
R6045
1K
R6055
3.9K
2
SBR
R6036
1K
R6006
5.6K
R6016
3.9K
Q6016
NF
-B1
+B1
B+
B-
R6046
1K
R6056
3.9K
3
NAETC-8399
SBLSP
SBRSP
SLSP
SRSP
4
5
JL6805B
C
R6065 2.2
Q6035
[53.0V]
(1/4W)
R6165
R6085
33K
Q6055
2.2
[1.1V]
[1.0V]
(1/4W)
Q6075
R6145
[0.6V]
0.6V
R6205
22K
[0.6V]
P6085
R6075
220
100
R6105
ID+
(1/4W)
0.22 X2
ID-
(5W)
[-0.3V]
R6155
12K
C6045
Q6025
[-0.6V]
47/50
Q6065
C6055
[-0.6V]
103J
[-0.4V]
R6245
R6095
220K
[-1.1V]
2.2
(1/4W)
Q6045
[-53.0V]
R6066 2.2
[53.0V]
Q6036
(1/4W)
R6166
R6086
33K
Q6056
2.2
[1.1V]
[1.0V]
(1/4W)
Q6076
R6146
[0.6V]
[0.6V]
R6206
22K
P6086
R6076
220
100
R6106
ID+
(1/4W)
0.22 X2
ID-
(5W)
[-0.3V]
R6156
12K
Q6026
C6046
[-0.6V]
47/50
Q6066
C6056
[-0.6V]
103J
[-0.4V]
R6246
R6096
220K
[-1.1V]
2.2
(1/4W)
Q6046
[-53.0V]
C6807
103J
D6807
P6803
ZONE2 L
RL6807
ZONE2 R
C6805 103J
D6805
U18
RL6805
D6803
P6802
C6803
SBL
103J
RL6803
SBR
SL
SR
JL6803B
(SCH. 4)
TO NAAF-8397
D
E
JL6200B
+B1
-B1
E
SBRSP
SBLSP
IPRO
NAETC-8402
+24V
+24V
TH2
TH1
NAETC-8400
NAETC-8401
U19
RSP
LSP
CSP
RL6600
D6600
L
C6600
103J
R
RL6602
C
D6602
C6602
103J
JL6805A
P6804B
TO NAAF-8397
(SCH. 4)
F
G
U21
THERMAL SENS.
R6380
PTFL04BF
471Q2N34B0
THERMAL PROT.
R6381
PTFL04BC
471Q2N34B0
P6801B
TO NAAF-8397
(SCH. 4)
TX-SR55
H

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