Schematic Diagram (Main Section) - Sony ICF-C723 Service Manual

4-5. SCHEMATIC DIAGRAM (MAIN SECTION)

r Refer to page 17 for IC Block Diagram.
– 15 –
ICF-C723/C723L
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.
Note: Note:
The components identi- Les composants identifiés
fied by mark ! or dotted par une marque ! sont cri-
line with mark ! are cri- tiques pour la sécurité.
tical for safety. Ne les remplacer que par
Replace only with part une piéce portant le
number specified. numéro spécifié.
• U : B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : RADIO SECTION : FM,
VOICE MEMO SECTION : PLAY
( ) : RADIO SECTION : AM (MW),
VOICE MEMO SECTION : REC
< > : LW
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
• Abbreviation
AUS : Australian
IT : Italian
– 16 –