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4-3.
SCHEMATIC DIAGRAM •
See page 13 for Waveforms.
•
See page 14 for IC Block Diagrams.
– 11 –
Note on Schematic Diagram:
• 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.
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
SRF-PSY04
no mark : FM
(
) : AM
〈〈
〉〉 : POWER OFF
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production toler-
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
– 12 –
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