Read Sony ICF-C723 / ICF-C723L Service Manual online
– 15 –
– 16 –
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
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,
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 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
• Abbreviation
AUS
: Australian
IT
: Italian
4-5. SCHEMATIC DIAGRAM (MAIN SECTION)
ICF-C723/C723L
r
Refer to page 17 for IC Block Diagram.
Click on the first or last page to see other ICF-C723 / ICF-C723L service manuals if exist.