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Sony HCD-EX1 - Waveforms Reference

Sony HCD-EX1
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HCD-EX1
15 15
Indication of transistor
C
These are omitted
EB
Q
C
These are omitted
EB
IC303 FE
1
2
3
4
5
WAVEFORMS
– MAIN (1/3) SECTION –
IC304 6 XTO
IC303 RF AC
IC303 TE
IC303 @∞ MDP
3.1Vp-p
16.9MHz
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
7.5µsec
2.4Vp-p
2.5V
APPROX 200m Vp-p (PLAY)
6
7
IC701 XT2
IC701 0 X2
– MAIN (3/3) SECTION –
5MHz
5.5Vp-p
32.768kHz
5Vp-p
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
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.
2 : nonflammable resistor.
5 : fusible resistor.
C : panel designation.
For printed wiring boards.
Note:
X : parts extracted from the component side.
®
: Through hole.
b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
U : B+ Line.
V : B– Line.
H : adjustment for repair.
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Voltages and waveforms are dc with respect to ground in
service mode.
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : STOP
Circled numbers refer to waveforms.
Signal path.
J : CD
c : digital out
Abbreviation
CND : Canadian model.
Note:
The components identi-
fied by mark ! or dotted
line with mark ! are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

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