CDX-715 (serv.man2) - Sony Car Audio Service Manual (repair manual). Page 6

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CDX-715
– 9 –
– 10 –
– MAIN Section –  MAIN Board (2/2)
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 
1
/
4
 
W or less unless otherwise
specified.
¢
: internal component.
U
: B+ Line.
H
: adjustment for repair.
• Power voltage is dc 14.4 V and fed with regulated dc power
supply from CD changer controller.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PLAY
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
).
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.
J
: CD
• Abbreviation
CND : Canadian
G
: German
TW
: Taiwan
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