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A
B
RX-V520/RX-V520RDS/HTR-5450/HTR-5450RDS/DSP-AX520
1
I PRINTED CIRCUIT BOARD (Foil side)
OPERATION (1) P. C. B.
From OPERATION (7)
2
3
4
To MAIN (1)
5
OPERATION (2) P. C. B.
PROGRAM
6
7
E-41/J-37
C
D
From OPERATION (2)
62
From
F2
F1
OPERATION (8)
EFFECT
PRESET/TUNING
5M
ADKEY1
To OPERATION (1)
ADKEY2
MG
E
F
Circuit No.
J
U, C
R, T
A, L
B, G
J901
X
X
X
O
O
J902
X
X
O
X
X
J903
O
X
X
O
O
J904
O
O
X
X
X
J1005
X
X
O
O
O
R908
X
O
O
X
X
R909
X
X
O
O
O
R916, 919, 920
X
X
X
X
O
R935
X
X
O
X
X
R936
O
O
O
O
X
R937
X
X
X
X
O
SW901~904
X
X
X
X
O
X: NOT USED
O: USED / APPLICABLE
1
To INPUT (1)
W441 Brown
To INPUT (1)
A/B/C/D/E
PRESET
/TUNING
EDIT
FM/AM
MEMORY
TUNING
MAN'L/
MODE
AUTO FM
AUTO/
MAN'L MONO
E-42/J-38
G
H
RDS MODE
E ON
/FREQ
PTY SEEK
MODE
START
To INPUT (1)
INPUT MODE
6CH INPUT
INPUT
I
J
• Semiconductor Location
Ref. No.
Location
D901
B3
D902
C4
D903
D4
D904
D4
D905
D4
D906
D4
D907
B3
D908
B3
D909
B4
D910
B3
D911
B3
D912
B3
IC901
E4
IC902
C3
IC903
B3
Q901
F4
Q902
F4
Q903
E4
Q904
D4
Q906
D4
Q907
D3
Q909
B3
Q910
B3
Q911
G3
Q912
F3
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