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ICF-CD873
1.
DIAGRAMS
1-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
f
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
Ne les remplacer que par une
cal for safety.
pièce por tant le numéro
Replace only with part
spécifié.
number specified.
• A : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : AM
[
] : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
J
: CD
• Abbreviation
AUS : Australian model
CND : Canadian model
IT
: Italian model
2
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
W : indicates side identified with part number.
•
•
: Through hole.
z
•
: internal component.
f
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
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