Schematic Diagram - Sony ICF-403L Service Manual

Fm/mw/lw 3 band radio
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5-2. SCHEMATIC DIAGRAM

Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
W or less unless otherwise
4
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) conditions.
no mark : FM
(
) : MW
<
> : LW
– 9 –
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F : FM
f : MW
L : LW
• Abbreviation
EE
: East European
ICF-403L
– 10 –

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