Sony ICF-703 Service Manual page 9

Fm/am radio and fm/mw/lw 3 band radio
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4-2. SCHEMATIC DIAGRAMS
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ICF-703/703L
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
1
• All resistors are in
and
/
W or less unless otherwise
4
specified.
f
: internal component.
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Total current is measured with power on.
• Power voltage is dc 4.5 V and fed with regulated dc power
supply from battery terminal.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
) : AM or LW
• Voltages are taken with a VOM (Input impedance 10 M ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
• Abbreviation
IT
: Italian model
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
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