Read Sony ICF-CD830 / ICF-CD830L Service Manual online
9
9
ICF-CD830/CD830L
3-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
Note on Schematic Diagrams:
• All capacitors are in
• All capacitors are in
µF unless otherwise noted. pF: µµF
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.
•
¢
: internal component.
• 5 : fusible resistor.
• C : panel designation.
• H : adjustment for repair.
• C : panel designation.
• H : adjustment for repair.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
! or dotted
line with mark
! are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
7,8
.
.
171
271
DTC114YKA
• Voltages are taken with a VOM (Input impedance 10
M
Ω).
Voltage variations may be noted due to normal pro-
duction tolerances.
duction tolerances.
• Signal path.
F
: FM
J
: CD
• Abbreviation
AUS
: Australian model.
CND : Canadian model.
IT
IT
: Italian model.
SP
: Singapore model.
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