Onkyo DR-645(S)/(B) Service Manual page 19

Decoder Board -- Circuit Diagram 2
R135 4.7K
Q17
2N3904
2
Q18
2N3904
R142
100
CON1
H24 SMD0.5
GND
24
LD_DVD
23
22
AVCC1
21
MDI1
20
LD_CD
19
VR_DVD
18
VR_CD
17
16
E
15
AVCC1
14
V20
13
GND
12
F
11
B
10
A
9
RFO CB104
8
IOA 0.1uF
7
D
6
C
5
T-
4
T+
3
F+
2
F-
1
R153
R152
1/0805
1/0805
T-
SL+
SL-
MO_VCC
T+
FMSO
R158 20K
C3 150pF
TRSO
V1P4
STBY
R160
10K
CB106
0.1uF
VCC
R136 10K
R137 10K IOA
2
R141
4.7K
VCC
2
Q19
2N3904
L36 FB
+
R143
100
CB103 CE54
0.1uF CD11X/220UF16V/D6.3H7
L37 10uH/SMD
Q20
8550/DIP
L38 10uH/SMD
R154
R155
U6 CD5954
1/0805 1/0805
F+
15 14
VOTK+ VOFC+
16 13
VOTK- VOFC-
SP-A
17 12
VOLD+ VOSL+
SP+
18 11
VOLD- VOSL-
19 10
PGND PGND
MO_VCC
20 9
VNFTK PVCC1
21 8
PVCC2 VCC
30 29
G2 G1
F-
22 7
PREGND VNFFC
R156 10K
23 6
VINLD VOSL
24 5
CTK2 VINSL-
V1P4
25 4
CTK1 VINSL+
R159
26 3
VINTK CF2
27 2
BIAS CF1
FOSO
28 1
STBY VINFC
CB105
CB107 0.1uF
0.1uF
7-8
J2
CON2.0-6
LDO2
CE56
CD263/47UF16V/D5H11
2
CE55
CD11X/47UF16V/D5H7
Q21
2
2N3906
R144 10K
R146 4.7
R148 4.7
R149 10K
+ Q22
2
2N3906
CE57
CD263/47UF16V/D5H11
+ CE58
2
Q23
CD11X/47UF16V/D5H7
8550/DIP
LDO1
MO_VCC
VCC
DMSO
R157 20K
L39 FB
20K C4 150pF
+
CE59
CD11X/470UF10V/D8H7
V33
TP10
TP11
TP12
R138
TP13
10K
R139 1/0805
SP- SP-A
1
SP+
2
R140 33
LIMIT GPIO4
3
4
SL-
5
SL+
6
TP14
TP15
C1 2200pF
R145 680K
OPO
RFV33 OP-
OP+
R147 680K V1P4
C2 2200pF
R150
R151
150K 150K
7-8
IOA
IOA
LDO2
LDO2
LDO1
LDO1
MDI1
MDI1
E
E
V20
V20
F
F
B
B
A
A
RFO
RFO
D
D
C
C
FMSO
FMSO
TRSO
TRSO
STBY
STBY
FOSO
FOSO
DMSO
DMSO
GPIO4
GPIO4
OPO
OPO
OP-
OP-
OP+
OP+
V1P4
V1P4