Schematic Diagram-Cd Section - Sony CFD-449 Service Manual

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CFD-445
e Waveforms
TP (REO)
(10703 (4) PLAY
—}+—_}- tSysec
1€703 (4):PLAY
fe 23psec-e|
1¢703 G2)
fx 0.48ysec—of
1€703 (5)
16.9344MHz
1c703 63)
16.9344 MHz
1C703
4.19MH2
1C80!
4.19 MHz
IC80I
Note:
e
Ail capacitors are in uF unless otherwise noted.
pF: uwuF
5OWV
or less are not indicated except
for electrolytics
and tantalums.
e
All resistors are in Q2 and
'/,W or less unless otherwise
specified.
e
Q&
: internal component.
Note:
.
Les composants identifiés par
une
marque
/ f \ sont
critiques
pour la sécurité.
Ne les remplacer.que
par une
|
piéce portant le numéro spéci-
fié.
Note:
The components identi-
fied by mark
or dot-
ted
line with
mark
are critical for safety.
Replace
only with part
number specified.
e
wer
: B+
Line
e
[__]}: adjustment for repair.
e
Power voltage is dc SV and fed with regulated dc power
supply from battery terminal.
®
Voltage is dc with respect to ground under no-signa!
conditions.
no mark:
CD
e
Voltages are taken with
a VOM
(Input Impedance
10M Q).
Voltage
variations
may
be noted
due to normal
produc-
tion tolerances.
®
Waveforms
are taken with a oscillascope.
Voltage
variations
may
be
noted
due to normal
produc:
tion tolerances.
e
Circled numbers refer to waveforms.
e
Signal path.
ee
:CD
5-7.
SCHEMATIC DIAGRAM—CD SECTION— « Refer to page 31 for IC Block Diagrams.
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C759
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—26—
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—28—
23
6V (CD)
MOTOR GND
GND(D)
5V(COM)
REC
(See page 23.)
TO MAIN
( 2 } BOARD (2/2)
CN303
TO MAIN
{ | } BOARD (2/2)
CN303
(See page 21.)

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