Read Sony ICF-403S Service Manual online
– 9 –
– 10 –
5-2. SCHEMATIC DIAGRAM
ICF-403S
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 4.5V and fed with regulated dc power supply from
battery terminal (J2).
• Voltages are dc with respect to ground under no-signal (detuned) condi-
tions.
no mark : FM
(
no mark : FM
(
) : MW
<
> : SW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tolerances.
• Signal path.
F
: FM
f
: MW
h
: SW
• Abbreviation
EA : Saudi Arabia
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