Sony PMC-MD55 Service Manual page 155

6-14. SCHEMATIC DIAGRAM – MAIN (CD) Section – • See page 100 for Waveforms.
(Page 79)
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.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
pièce por tant le numéro
Replace only with part
number specified. spécifié.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : 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.
(Page 63)
• Signal path.
J : CD
q : MD REC
– 67 –
• See page 105 for IC Block Diagrams.
– 68 –
PMC-MD55
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(Page 70)
(Page 72)
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