A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
69
■
PRINTED CIRCUIT BOARD (Foil side)
OPERATION (3) P. C. B.
(Lead Type Device)
OPERATION (1) P. C. B.
(Lead Type Device)
PTY SEEK
INPUT
MODE
SPEAKERS
6CH
INPUT
RDS MODE/
FREQ
MODE
EON
START
PRESET/
TUNING
TUNING
MODE
FM/AM
MEMORY
A
B
PROGRAM
STEREO
A/B/C/D/E
PRESET/TUNING
1 2
68 69
5
20
28
65
OPERATION (2) P. C. B.
(Lead Type Device)
Power Transformer
STANDBY/ON
INPUT
F1
F2
PSW
+5M
F1
F2 PSW
+5M
VOLUME
MG
VRB
VRA
MG
VRB
VRA
FUNCTION (4)
VP
MG
RM+
VRB
VRA
HPMT
+5M
RM–
ADKEY0
ADKEY1
CEFD
DTFD
CKFD
/BLK
PSW
REM1
ISA
ISB
/HP
OPERATION (6)
+12
–12
E
TOR
TOL
NC
OPERATION (5)
/HP
MG
HPL
HPE
HPR
1
8
Ref. No.
Location
D501
H3
D551
F5
D552
F5
IC551
H4
Q551
G4
Q552
H4
• Semiconductor Location
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640
Circuit No.
J, R, T, K, L
U, C,A
B, G
D501
X
O
X
R509
X
O
X
R524~527
X
X
O
SW516~519
X
X
O
X: NOT USED
O: USED / APPLICABLE