Read Sony XDR-CD70DAB Service Manual online
XDR-CD70DAB
13
13
XDR-CD70DAB
•
Circuit Boards Location
•
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.
•
A
: B+ Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Boards –
no mark: TUNER (DAB/FM)
(
(
) : CD PLAY
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
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.
F
: TUNER (DAB/FM)
J
: CD PLAY
i
: AUDIO IN
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.)
SECTION 6
DIAGRAMS
RELAY board
CD board
KEY (L) board
KEY (R) board
ILLUMINATION board
MAIN board
VOL board
BUZZER board
CLOCK board
DAB CONNECT board
MODULE (DAB tuner) (TU1)
AMP board
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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