A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
RX-V550/HTR-5750
RX-V450/HTR-5740/DSP-AX450
125
Key
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Function
TV POWER
REW (SEARCH -)
CODE SET
AV POWER
STANDBY
SYSTEM POWER
CD
MD/CD-R
TUNER
SLEEP
DVD
D-TV/CBL
VCR
V-AUX
REC, DISC SKIP
PAUSE
AUDIO
MULTI CH INPUT
SKIP -
PLAY
SKIP +
CODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
STOP
8
FF ()
AMP
TV VOL +
TV VOL –
TV MUTE
TV CH +
TV CH –
TV INPUT
VOLUME –
MUTE
1
2
3
4
5
6
7
42
43
44
45
46
47
48
49
50
51
52
53
54
9
0
+10
ENTER
TITLE
>
MENU
<
SELECT
>
RETURN
<
DISPLAY
–
–
–
–
–
–
–
–
–
–
–
–
7A-4F
7A-09
–
–
7A-0B
7A-08
7A-0A
–
CD
7A-0D
7A-09
7A-0C
–
–
–
–
–
–
–
–
–
–
79-11
79-12
79-13
79-14
79-15
79-16
79-17
79-18
–
–
–
–
–
–
–
–
–
–
–
–
79-AF
79-A9
–
–
79-AB
79-A8
79-AE
–
MD
79-AC
79-AA
79-AD
–
–
–
–
–
–
–
–
–
–
79-85
79-86
79-87
79-88
79-89
79-8A
79-8B
79-8C
–
7F-80
–
–
–
–
–
–
–
–
–
–
–
7F-83
–
–
7F-86
7F-82
7F-87
–
CD-R
7F-88
7F-84
7F-89
–
–
–
–
–
–
–
–
–
–
7F-91
7F-92
7F-93
7F-94
7F-95
7F-96
7F-97
7F-98
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
7A-A4
–
7A-A5
–
TUNER
7A-A6
–
7A-A7
–
–
–
–
–
–
–
–
–
–
7A-E5
7A-E6
7A-E7
7A-E8
7A-E9
7A-EA
7A-EB
7A-EC
–
A5-AA
–
–
–
–
–
–
–
–
–
–
55-56
AA-5A
95-A6
–
6A-9A
A5-9A
AA-9A
–
DVD (P)
69-9A
6A-5A
A9-9A
–
–
–
–
–
–
–
–
–
–
6A-AA
9A-AA
5A-AA
A6-AA
66-AA
96-AA
56-AA
A9-AA
–
7C-80
–
–
–
–
–
–
–
–
–
–
7C-8B
7C-83
7C-AD
–
7CB9
7C-82
7C-BA
–
DVD (Y)
7C-86
7C-85
7C-87
–
–
–
–
–
–
–
–
–
–
7C-94
7C-95
7C-96
7C-97
7C-98
7C-99
7C-9A
7C-9B
–
3D-8D
–
–
–
–
–
–
–
–
–
–
–
06-B6
33-83
–
49-F9
0A-BA
4A-FA
–
DVD (M)
04-B4
00-B0
05-B5
–
–
–
–
–
–
–
–
–
–
10-A0
11-A1
12-A2
13-A3
14-A4
15-A5
16-A6
17-A7
–
A5-AA
–
–
–
–
–
–
–
–
–
–
56-5A
AA-5A
95-A6
–
6A-9A
A5-9A
AA-9A
–
DVD-R (P)
69-9A
6A-5A
A9-9A
–
–
–
–
–
–
–
–
–
–
6A-AA
9A-AA
5A-AA
A6-AA
66-AA
96-AA
56-AA
A9-AA
79-19
79-10
79-1A
79-0B
–
–
–
–
–
–
–
–
79-0A
79-8D
79-8E
79-8F
–
–
–
–
–
–
–
–
–
79-A5
7F-99
7F-90
7F-9A
7F-8A
–
–
–
–
–
–
–
–
7F-9E
–
–
–
–
–
7A-10
7A-12
–
–
–
–
7A-11
–
69-AA
AA-AA
A9-56
A9-A5
6A-56
A9-66
A6-66
99-66
A5-66
59-66
5A-A9
69-66
55-AA
7C-9C
7C-93
7C-9D
7C-9E
7C-B1
7C-B4
7C-B2
7C-B5
7C-B8
7C-B6
7C-B7
7C-B3
7C-A6
18-A8
19-A9
89-39
–
9B-2B
85-35
80-30
87-37
82-32
88-38
81-31
86-36
92-22
69-AA
AA-AA
A9-56
A9-A5
6A-56
A9-66
A6-66
99-66
A5-66
59-66
5A-A9
69-66
55-AA
–
–
7A-1E
7A-1D
7A-15
7A-C9
7A-16
7A-57
7A-C1
7A-54
7A-0F
7A-55
–
–
–
7A-87
–
–
–
–
AMP
–
–
–
–
–
–
–
–
–
–
7A-1A
7A-1B
7A-1C
7A-88
7A-89
7A-8A
7A-8B
7A-8C
7A-8D
7A-8E
7A-8F
7A-90
7A-95
7A-97
7A-56
7A-86
7A-98
7A-9C
7A-53
7A-DE
7A-52
7A-85
7A-99
–
15
TUNER
AUDIO
FF
6
SLEEP
MULTI CH INPUT
AMP
VOLUME -
7
CD
REC
REW
CH -
4
MD/CD-R
PAUSE
STOP
TV INPUT
5
STANDBY
VCR
SKIP +
TV MUTE
2
SYSTEM POWER
V-AUX
CODE SET
CH +
3
IC1:
µ
PD17242MC-135-5A4-E1-A
P0E2
P0E3
REM
VDD
XOUT
XIN
GND
RESETPU
P0D2
P0D3
P1B0/INT
P0E0
P0E1
P1A0
P1A1
P0C1
P0C0
P0B3
P0B2
P0B1
P0B0
P0A3
P1A2
P0D1
P0D0
P0C3
P0C2
P0A2
P0A1
P0A0
6
7
JP1
JP2
8
9
10
11
1
2
3
4
5
12
13
14
25
24
23
22
21
20
19
18
17
16
TV POWER
DVD
SKIP-
VOL
+
MUTE
AV POWER
D-TV/CBL
PLAY
VOL -
1
>
MENU
ENTER
TITLE
0
+10
8
9
<
DISPLAY
>
RETURN
<
SELECT
29
28
27
26
30
R1
2
Ω
(1/4W)
D1
MIE-554A2
Q1
2SC3440
T2
T1
C4
0.1
µ
F
NOT MOUNTED
3
2
1
R2
22
Ω
C3
0.1
µ
F
R4
D3
IC2
X1
4MHz
OPEN
C1
47
µ
F
3.0V
+
C2
+
R3
0
Ω
■
REMOTE CONTROL RAV302: RX-V450/HTR-5740 (B, G, E models)
●
SCHEMATIC DIAGRAM