Onkyo TX-L55, Service Manual

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TX-LR552
SCHEMATIC DIAGRAM 3
DSP section 2
SCL
SDA
VOUT1
YOUT1
COUT1
YOUT2
COUT2
V2CIN
V2YIN
V2VIN
V1YIN
V1VIN
V1CIN
DVDCIN
DVDYIN
DVDVIN
V1VOUT
V1YOUT
V1COUT
V1CIN
V1COUT
DVDCIN
V2CIN
SW1
SW2
SW2
COUT1
COUT2
SW1
SW2
SW2
V1VOUT
V2VIN
DVDVIN
V1VIN
VOUT2
SW1
SW2
SW2
V1YOUT
V1YIN
YOUT2
V2YIN
DVDYIN
VOUT1
YOUT1
-5SEP +5SEP
VMUT2
VMUT1
V2 IN
V1 OUT
V1 IN
DVD IN
MONITOR OUT
NADG-8338
R2106
75
R2113
75
R2119
75
R2132
82
R2198
330
R2139
82
R2059
330
R2138
82
R2071
330
C2113
102K
C2124 10/16
+
R2173
33K
C2179
104Z
C2187
104Z
R2177
2.2K
C2123 10/16
+
C
C2108
102K
C2129 104Z
Q2120
2SA1162-GR
R2176
68
C2051
NC
R2068
NC
C2061
NC
R2057
220 R2056
1.8K
R2066
1.8K
R2055
NC
R2054
2.7K
R2053
10K
R2063
10K
R2064
2.7K
R2065
NC
R2062
NC
R2052
NC
R2058
NC
R2150 0
R2152 0
R2153 0
R2154 0
R2155 0
Q2115
RN1443
Q2113
RN1443
Q2111
RN1443
Q2110
RN1443
C2157 100/6.3
+
C2158 104Z
C2160
103Z
R2146
1K
R2148
1K
R2147
1K
R2145
1K
C2159
1/50
+
Q2114
RN1443
Q2112
RN1443
R2151 0
R2102
100K
R2103
100K
Q2106
MM1512
1
SAG
2
OUT
3
VCC
4
CIN
5
GND
6
YIN
C2120 10/16
+
C2119 10/16
+
C2127 104Z
C2121 10/16
+
C2128 104Z
C2122 10/16
+
L2003 220K L2004 220K
R2104
75
R2117
75
R2111
75
C2111
470J
C2115
470J
C2117
470J
R2105
75
R2118
75
R2112
75
R2129 75
R2130 75
R2128 75
D2
1SS
D2102
1SS355
+5VVD -5VVD
-5VVD
+5VVD
C2156 100/6.3
+
C2155 22/16
+
C
C
C
P2102
1
2
8
9
10
3
14
7
15
13
12
11
6
5
4
Q2101
NJM2279M
1
Vin3
2
SW1
3
Vin2
4
MUTE2
5
Vout2
6
GND2
7
GND1
8
V+
9
NC
10
Vout1
11
MUTE1
12
Vin1
13
SW2
14
V-
-5VVD
C2152
104Z
C2149
100/6.3 +
+5VVD
C2134
104Z
C2137
100/6.3
+
R2133
NC
-5VVD
+5VVD
C2196
470/6.3
+
C2136
104Z
C2139
100/6.3 +
C2154
104Z
C2151
100/6.3 +
-5VVD
+5VVD
C2194
470/6.3
+ R2170
1K
C2138
100/6.3
+
C2135
104Z
C2150
100/6.3 +
C2153
104Z
Q2102
NJM2279M
14
V-
13
SW2
12
Vin1
11
MUTE1
10
Vout1
9
NC
8
V+
7
GND1
6
GND2
5
Vout2
4
MUTE2
3
Vin2
2
SW1
1
Vin3
Q2103
NJM2279M
14
V-
13
SW2
12
Vin1
11
MUTE1
10
Vout1
9
NC
8
V+
7
GND1
6
GND2
5
Vout2
4
MUTE2
3
Vin2
2
SW1
1
Vin3
R2067
220
Q2051A
TK15420M
7
6
5
4
Q2051B
TK15420M
1
8
3
2
C2041
100/6.3
+
C2043
104Z
C2044
104Z
C2042
100/6.3
+
R2051
100
C2015
47/16
+
C2016
47/16
+
R2061
100
R2193
1K
P2104
1
2
8
9
15
16
17
10
3
21
14
7
22
20
19
18
13
12
11
6
5
4
R2100
100
R2101
100
Q2116
RN2404
Q2117
RN2404
+5VVD
C2161 470J C2162 470J C2163 470J
R2108
10K
R2115
10K
R2121
10K
R2901
NC
R2902
NC
R2903
NC
R2904
NC
R2134
75
R2135
75
R2136
75
C2142
470J
C2141
470J
C2140
470J
U1
A
1
2
3
4
5
B C D