A
B
C
D
E
1
2
3
4
5
6
7
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
151
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
NC
VB2
VDD
VDD
VDD
C1
470
µ
+
C2
0.1
µ
X1
20
11
21
22
19
18
16
VDD
PA
7
PA
5
PA
4
PA
3
PA
2
PA
1
PA
0
PB7
PB6
PB5
PB4
PB3
PB2
PC2
PB1
25 26 3 4 5 6
PA
5
PA
6
24
P
A6
23
P
A7
PA
4
PA
3
PA
2
PA
1
PA
0
27
28
1
2
7
8
PB7
PB6
PB5
PB4
PB3
PB2
PC1
PC0
NC
14
13
PC1
15
9
PB0
10
VSS
OSC1
OSC2
RES
PC5
PC3
C5
0.01
µ
C6
0.1
µ
Q3
KST3904
Q2
KST3904
100k
R13
R12
56k
OPTION
R2
100k
R4
18k
R3
56k
R1
470k
R8
10
R9
10
Q1
8050D
D1
VBA
T
R7
1K
D2
D3
VB1
PB7
IC1
R10
100
PF0
12
R6
1M
R5
220K
VB2
VBA
T
VDD
BA
TT
AAA x 4
17
PC4
NC
K58
K59
K60
K61
K62
K63
K57
PA
0
PA
1
PA
2
PA
3
PA
4
PA
5
PA
6
PA
7
9
0/10
6
+10
7
ENTER
5
PB6
K50
K51
K52
K56
K53
K54
K55
K49
VCR 1
VCR 2/D
VR
D-TV/CBL
6CH INPUT
★ ★
V
-A
UX
AMP
DV
D
PB5
K42
K43
K44
K48
K45
K46
K47
K41
P
A
USE
SKIP -
REW
A
UDIO
SKIP +
FF
ST
OP
REC
PB4
K34
K35
K36
K40
K37
K38
K39
K33
TITLE
MENU
LEFT
DO
WN
SELECT
RIGHT
UP
RETURN
PB3
K26
K27
K28
K32
K29
K30
K31
K25
TV
V
OL -
TV INPUT
TV
V
OL +
V
OL +
CH -
CH +
V
OL -
TV MUTE
PB2
K18
K19
K20
K24
K21
K22
K23
K17
1
2
MUTE
DISPLA
Y
3
PLA
Y
4
CODE SET
PC1
K10
K11
K12
K16
K13
K14
K15
K9
CD
MD/CD-R
A
V PO
WER
SYS_PO
W
TUNER
ST
ANDBY
SLEEP
TV PO
WER
D4
VB1
D5
VB2
K64
8
R14
1M
D6
C7
0.01
µ
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640
DSP-AX640SE
■
REMOTE CONTROL RAV244, 245