Onkyo TX-L55 Service Manual page 8

A
SCHEMATIC DIAGRAM 3
1
C2012
R2005
+
390
0.47/50
R2006
C2008
390
2
R2010
L2002
220K
820
5VVD -5VVD
C2035 47/16
+
C2028 103Z
C2036 47/16
+
C2029 103Z
3
+5VVD
L2007
101K
4
C2019 220J
C2017 120J
R2011 1.2K
+5VVD
2-GR
RN2404
D2103
73
C2187
K 1SS355
5 104Z
Q2124
B
DSP section 2
MM1093NF Q2001
C2003
+
103Z
2.2/50
+5VVD
2SC2712
Q2002
-5VVD
L2008
220K
C2033 C2034
+ +
100/6.3 100/6.3
C2030 C2031
104Z 104Z
Q2005 TC90A69F
C2027
104Z
C2021
+
100/6.3
R2015 R2016
820 820
C2020 220J
C2018 120J
R2012 1.2K
+5VVD
C2071
R2073
+
2.2K
47/16
Q2071
C
+5VVD 78L09
+9VD
Q9607
R9606
1 3
O I
G
22
+12VA 78M12HF
Q9602
3 1
O I
G
G
R9603
3 2
O I
Q9603
-12VA
79M12HF
78M05HF 78M12HF
+5VVD
Q9604 Q9609
R9604
3 1 3 1
O I O I
G G 1.5
Q9609A
G
R9605
3 2
O I
1.5
-18V
Q9605
79M05FA
-5VVD
+5VDSP
MPC2905HF
Q9606
R9610
3 1
O I
G
NC
GND
Q9602B
D9609
1
+5.6V
NC
78M56
Q9608
D9610
3 1 1
O I
G NC
-VP
Q9501
-42V
2SA1015-GR
R9506
1 2
22
R9507
8.2K
R9508
8.2K
+5VTU +12VA
R9609
330
TO NAVD-8339
GND
R9602
1
1
+18V
R9510
R9513
NC
NC
D9503 D9502
1 1
RL1N4003 RL1N4003
D9505 D9504
1 1
RL1N4003 RL1N4003
R9514
R9511
NC
-B
NC
+8V
1 4
D9513
D2SB80A
R9512
R9607
2.5A/250V
NC
+9V
R9608
NC
+13V
POWER
POFF
D9507
R9501
1
RL1N4003
2.2
FLAC1
FLAC2
+13V
POWER
FLAC1
FLAC2
E9501
SW1
SW2
VMUT1
VMUT2
SCL
SDA
CONV
CPNT
DIN1
DIN2
DIN3
+5VDSP -5VVD+5VVD +9VD
SDET
TX-LR552
D
3
2
1
P9001B
2
1
P9002B
4
3
2
1
P9101B
4
3
2
1
P9003B