Read Sony CDX-T70MXDC Service Manual online
CDX-T70MXDC/MP3 CDC 6
19
19
CDX-T70MXDC/MP3 CDC 6
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• C
: panel designation.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• A
: B+ Line.
• H
: adjustment for repair.
•
Power voltage is dc 14.4V and fed with regulated dc power
supply from CD changer controller.
supply from CD changer controller.
•
Voltages and waveforms are dc with respect to ground in
CD play mode.
no mark : CD PLAY
CD play mode.
no mark : CD PLAY
•
Voltages are taken with a VOM (Input impedance 10 MW).
Voltage variations may be noted due to normal produc-
tion tolerances.
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
J
: CD PLAY
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Click on the first or last page to see other CDX-T70MXDC service manuals if exist.