Schematic Diagram -Cd Section - Sony CFD-S22 Service Manual

6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 19 for IC Block 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 and
specified.
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
– 11 –
• U : B+ Line.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
1 / W or less unless otherwise • Voltage and waveforms are dc with respect to ground
4
under no-signal (detuned) conditions.
no mark : CD STOP
Note:
: Impossible to measure
Les composants identifiés par
• Voltages are taken with a VOM (Input impedance 10 M ).
une marque 0 sont critiques
Voltage variations may be noted due to normal produc-
pour la sécurité.
tion tolerances.
Ne les remplacer que par une
• Waveforms are taken with a oscilloscope.
piéce portant le numéro
Voltage variations may be noted due to normal produc-
spécifié.
tion tolerances.
CFD-S22/S32
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
• (( )) : Page of supplement-1
– 12 –
((Page 15))