Sony CFM-20L Service Manual page 13

Note on schematic Diagram: MAIN SECTION (1/2), (2/2)
• 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 specified.
4
• : internal component.
f
• C : panel designation.
Note: The components identified by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 6V and fed with regulated dc power supply
from external power voltage jack.
• Voltages are dc with respect to ground under no-signal (detuned)
conditions.
no mark : FM
( ) : AM (RADIO SECTION), PLAY (TAPE SECTION)
< > : MIC REC
[ ] : RADIO REC
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production toler-
ances.
• Signal path.
F
: FM
f
: LW
E
: PB
a
: REC
N
: MIC
CFM-20L
13