Onkyo DR-645(S)/(B) User Manual

Display and Key Board -- Circuit Diagram
SW6
SW7
SW5
R4
100
R5
560
R6
2.2k
R7
5.6k
SW4
SW3
R3
2.2K
SW2
R2
560
KEY1KEY2
SW1
TC103
R1
100
STB1 DATA1 CLK1 V-GND1 +5VS 32V1 VF2-1 VF1-1
+5VS
REM1
REM
1
GND
2
Vcc
3
S601
REMOTE
R15
47
C1
47u
C2
104
R14
10
KEY1 KEY2
ROT-A1 ROT-B1
G
1
B
2
A
3
ER1
ED1612-24
DR-H300VFD SCH
1
2 3 4
5
6 7 8 9
10 11
12 13 14
15
16
17
CN1
17P/2.5
V-GND +5VS
R8
1
R9
1
C5
4.7u
C3
4.7u
C6
4.7u
C4
4.7u
1 2
3
4
5
6
7 8
9
10 11
12 13
14
CN2
2.0/14 P
ECO_PO
ROT-A1
ROT-B1
32V1 VF2-1 VF1-1
STB1 DATA1 CLK1
REM1
Q1
8050
R11
1K
R13
10K
R12
8.2K
5v
ECO_PO
R7
0
R6
56K
C2
104
C3
104
C5
104
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
CN1
17P/2.5
G15 G14 G13 G12 G11 G10 G9 G8 G7 G6 G5 G4 G3 G2 G1 G16
S63
S64
S65
S66
S72 S73 S74 S75 S76
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20
S62
S61
S60
S59
S58
S57
S56
S55
S54
S53
S52
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23
S22 S21
S70 S69 S68 S67 S66 S65 S64 S63
S29 S28 S27 S26 S25 S24 S23 S22
S21 S17 S18 S19 S20 S33 S32 S12 S11 S10 S9 S8 S7 S6 S5 S3 S2 S1 S4 S30 S31 S14 S15 G9 G10
G11 G12 G13 G14 G15 G16 S36 S35 S34
G4 G5 G6 G7 G8 S58 S57 S60 S59
S61 S62 S74 S73 S72 S71 S41 S42 S43 S44 S45 S46 S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 G1 G2 G3
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
+32V
VF2
VF1
E(RD)
R/ W(WR)
RS
VDD
GND
C6
104
NC
R4
0
R3
0
VDD2
1
VSS2
2
VDD1
3
CLK
4
OSC2
5
OSC1
6
/RESET
7
TEST
8
DLS
9
DS1
10
DS0
11
R/W
12
RS/STB
13
E/SCK
14
SI/SO
15
DB0
16
DB1
17
DB2
18
DB3
19
DB4
20
DB5
21
DB6
22
DB7
23
IFSET
24
MPU
25
/CS
26
RL1
27
RL2
28
/CLR
29
LATCH
30
SDO
31
SLK
32
TESTOUT
33
VSS1
34
VSS2
35
VDD2
36
NC
37
SG1
38
SG2
39
SG3
40
SG4
41
SG5
42
SG6
43
SG7
44
SG8
45
SG9
46
SG10
47
SG11
48
SG12
49
SG13
50
SG14
51
SG15
52
SG16
53
SG17
54
SG18
55
SG19
56
SG20
57
SG21
58
SG22
59
SG23
60
SG24
61
SG25
62
SG26
63
SG27
64
SG28
65
SG29
66
SG30
67
SG31
68
SG32
69
SG33
70
SG34
71
NC
72
SG35
73
SG36
74
SG37
75
SG38
76
SG39
77
SG40
78
SG41
79
SG42
80
SG43
81
SG44
82
SG45
83
SG46
84
SG47
85
SG48
86
SG49
87
SG50
88
SG51
89
SG52
90
SG53
91
SG54
92
SG55
93
SG56
94
SG57
95
SG58
96
SG59
97
SG60
98
SG61
99
SG62
100
SG63
101
SG64
102
SG65
103
SG66
104
SG67
105
SG68
106
SG69
107
SG70
108
NC
109
SG71
110
SG72
111
SG73
112
SG74
113
SG75
114
SG76
115
SG77
116
SG78
117
SG79
118
SG80
119
GR24
120
GR23
121
GR22
122
GR21
123
GR20
124
GR19
125
GR18
126
GR17
127
GR16
128
GR15
129
GR14
130
GR13
131
GR12
132
GR11
133
GR10
134
GR9
135
GR8
136
GR7
137
GR6
138
GR5
139
GR4
140
GR3
141
GR2
142
GR1
143
NC
144
IC2
PT6314
R5
0
R1
0
R2
0
S71
S70
S69
S68
S67
S36
S35
S16
F1
1
F1
3
S51
6
S50
7
S49
8
S48
9
S47
10
S46
11
S45
12
S44
13
S43
14
S42
15
S41
16
S40
17
S39
18
S38
19
S37
20
S36
21
11G
22
10G
23
9G
24
12G
25
13G
26
NC
27
14G
28
15G
29
S70
32
S69
33
S68
34
S67
35
S66
36
S65
37
S64
38
S63
39
S62
40
S61
41
S60
42
S59
43
S58
44
S57
45
S56
46
S55
47
S54
48
S53
49
S52
50
F2
53
F2
55
F2
56
S3
61
S2
62
S1
63
S4
64
S5
65
S6
66
S7
67
S8
68
S9
69
S10
70
S11
71
S12
72
S13
73
S14
74
S15
75
6G
76
7G
77
8G
78
5G
79
4G
80
3G
81
2G
82
1G
83
ICP
84
BAR1
85
S35
86
S34
87
S33
88
S32
89
S31
90
S30
91
S29
92
S28
93
S27
94
S26
95
S25
96
S24
97
S23
98
S22
99
S21
100
S19
102
S18
103
S17
104
S16
105
F1
108
F2
57
F1
109
F1
110
F2
58
S20
101
16G
30
BAR2
31
VFD1
STO-16T202
S13
S75 S76
R8
1K
R9 1K
R11 1K
R18
1K
R17 1K
R15 1K
R14 1K
R16 1K
R13 1K
R10
1K
LED601
Key Board Circuit Diagram
Display Board Circuit Diagram
7-2 7-2

Onkyo DR-645(S)/(B) Specifications

General

Brand	Onkyo
Model	DR-645(S)/(B)
Category	Receiver
Language	English