Onkyo TX-SR55 Service Manual page 37

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A
B
SCHEMATIC DIAGRAM 7
Display section
NADIS-8406
U26
1
2
U7501
PIC-37043TH2
3
D7508
1SS352
R7588
OR 1SS355
82
Q7581
Q7582
KRC102S
OR RN1402
KRC102S
OR RN1402
4
NASW-8411
U31
Q7584
+7V
S7501
LEDVOL
KRC102S
VJA
OR RN1402
GND
VJB
5
C
Q7501
HNA-16SM10T
Q7503
2SC2712
Q7502
M66005-0001AFP
REMIN
LEDPURE
LEDZ2
LEDSTBY
P7501A
TO NADG-8366
(SCH. 9)
D
E
P7502A
TO NAPS-8389
(SCH. 6)
-26V
C7534
473Z
D7501
UDZS8.2B
5.6V
C7505
473Z
D7502
1SS352
OR 1SS355
D7504
1SS352
OR 1SS355
C7705
100/6.3
330
R7611
470
R7612
560
R7613
820
R7614
1.2K
R7615
2.2K
K0
K1
330
R7621
470
R7622
560
R7623
820
R7624
1.2K
R7625
2.2K
330
R7631
470
R7632
560
R7633
820
R7634
1.2K
R7635
2.2K
K2
330
R7641
470
R7642
560
R7643
820
R7644
1.2K
R7645
2.2K
K3
F
G
NAETC-8412
U32
R7808
470
L7801
022M
C7805
1
Q7801
10/16
R7806
33K
C7802
330J
NJM4565M-D
L7804
022M
JL7801B
JL7801A
GND
GND
RL7701
HPDET
HPDET
L7703
HPR2
HPR2
HPE
HPE
L7704
HPL2
HPL2
022M
-
+
C7703
L7701
221K
D7701
1SS352
OR 1SS355
Q7701
KRC102S
OR RN1402
NADG-8410
L2601
+5V
022M
GND
V4D
220
R2601
R7618
R7616
3.9K
R7617
KI0
12K
NAVD-8409
R7628
R7626
3.9K
R7627
KI1
V4C
12K
GND
V4Y
GND
R7636
3.9K
R7637
R7638
KI2
V-4
12K
R7646
3.9K
R7647
KI3
-7V
-7V
+7V
+7V
V4E
V4E
MIC
MIC
V4-L
V4E
V4-R
V4E
MIC
+7V
-7V
TX-SR55
H
P7801
C7801
L7802
8
R7805
3
022M
220
10/16
2
Q7802
ANALYZER
R7809
10K
RN1241-A
L7803
022M
4
5
7
Q7801
6
P7705
HEADPHONES
022M
C7701
102J
C7702
C7704
022M
102J
101J
E7701
U30
U2601
U29
Y
C
R2501
330
R2502
330

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