Sony PMC-MD55 Service Manual page 163

6-22. SCHEMATIC DIAGRAM – CD OPEN/CLOSE Section – • See page 107 for IC Block Diagram.
– 83 –
PMC-MD55
(Page 72)
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.
• 5 : fusible resistor.
Note: Note:
The components identi- Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : CD LID CLOSE
( ) : DURING CD LID OPEN
[ ] : DURING CD LID CLOSE
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
– 84 – tion tolerances.