2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
6
64
■
PRINTED CIRCUIT BOARD (Foil side)
E
Q
554
Q
553
OPERATION (1) P. C. B.
(Lead Type Device)
OPERATION (5)
/HP
MG
HPOL
HPE
HPOR
PTY SEEK
INPUT
MODE
SPEAKERS
6CH
INPUT
RDS MODE/
FREQ
MODE
EON
START
PRESET/
TUNING
TUNING
MODE
FM/AM
MEMORY
A
B
INPUT
PROGRAM
STEREO
A/B/C/D/E
+
-
CONTROL
PRESET/TUNING
BASS/TREBLE
1 2
68 69
5
65
1
8
FUNCTION (1)
FUNCTION (4)
HPE
HPR
HPL
-12
+12
OPERATION
(3)
VRA
VRB
MG
MG
ADKEY0
ADKEY1
DTFD
/BLK
REM1
ISB
VRA
CEFD
CKFD
+5M
VP
/HP
PSW
ISA
HPMT
VRB
OPERATION (2)
SG
SG
+5M
PSW
F2
F2
OPERATION (6)
Ref. No.
Location
D551
B4
D552
C4
IC551
F4
Q551
E4
Q552
E4
• Semiconductor Location
Circuit No.
J, U, C, R, T, K, A, L
B,G
R524~527
X
O
SW516~519
X
O
X: NOT USED
O: USED / APPLICABLE