Sony CDP-490 - E MODEL

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17 18 19 20 21 22 23 24
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NOT
REPLACEABLE:
BUILT
IN
TRANSFOMER
Key-4ey-4
F9 REG
RDS. BES-B
v
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ol
WOV—120V
(XX
swool
VOLTAGE
SELECTOR
|
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0202-5.1 ,_.9202 A203 ;
12-5 sen 10.2 | FERS 10.2 Q 220V-240V !
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|
<-> |
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a 2 E MODEL :
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Cc
(2
T701 A
POWER
TRANSFORMER
C332
0.1
3H
Q203, 204
REG
R339 470
301
. 6ESB2
321 Ey CuppO3
328
2200/6. 3 R
le]
Vege
C319 470/10
R331 6. 8k C320 0.0068 C322 0.001
Note:
e@ All capacitors are in uF unless otherwise noted. pF: uuF
S50WV or less are not indicated except for electrolytics
and tantalums.
e All resistors are in Q and '/,W or less unless otherwise
specified.
77>
Wevanens in e % : indicates tolerance.
=s e
(14) (5) (16) INVERTER ena e A: internal component.
aaac?
2 ie a 3 LINE/ HEADPHONE
ss AMP Note: Note:
R341 The components identi- | Les composants identifiés par
10x MUTE ‘ iti
Q fied by mark or dot- | une marque A\sont critiques
ted line with mark pour la sécurité.
‘sunk 308 are critical for safety. Ne les remplacer que par une
PCM 56P Replace only with part | piéce portant le numéro spéci-
D/A CONVERTER number specified. fié.
ame > B+ Line
aeem : B— Line
(__]: adjustment for repair.
Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark: STOP
e@ Voltages are taken with a VOM (Input Impedance 10M 2).
ee
ee
ee
ee
ee.
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.
e@ Circled numbers refer to waveforms.
e@ Signal path.
e -:CD
—17- —18—