Diagrams - Sony ICF-CDK70 Service Manual

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
W : indicated side identifi ed with part number.
•
f
• : internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
ICF-CDK70
SECTION 6

DIAGRAMS

For Schematic Diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
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
specifi ed.
f
• : internal component.
• C : panel designation.
Note: Note:
The components identi- Les composants identifi és
fi ed by mark 0 or dotted par une marque 0 sont
line with mark 0 are criti-
critiques pour la sécurité.
cal for safety. Ne les remplacer que par
Replace only with part une piéce portant le nu-
number specifi ed. méro spécifi é.
• A : B+ Line.
• C : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
- CD Board -
no mark : CD play
- TU Board -
no mark : FM
( ) : AM
- Other Boards -
no mark : FM
( ) : CD play
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms
• Signal path.
F
: FM
f
: AM
J
: CD play
i : AUDIO IN
• Abbreviation
CND : Canadian model
• Circuit Boards Location
TIMER board
REMOTE CONTROL board
LCD board
17 17
TU board
MAIN board
CD board
LED board
JACK board
KEY board
VOL board
ICF-CDK70
POWER board
AMP board
MEGA BASS board