Sony HCD-EX100 Service Manual page 15

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 Ω and
1 / W or less unless otherwise
4
specified.
• : internal component.
¢
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark ! or dotted une marque ! sont critiques
line with mark ! are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce portant le numéro
spécifié.
number specified.
• 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 : RADIO, CD STOP
( ) : CD PLAY
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
c : digital out
• Abbreviation
CND : Canadian model.
SP : Singapore model.
HK : Hong Kong model.
KR : Korea model.
CH : Chinese model.
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.)
• Indication of transistor
C
Q
These are omitted
B C E
B E
These are omitted
• Abbreviation
CND : Canadian model.
SP : Singapore model.
HK : Hong Kong model.
KR : Korea model.
CH : Chinese model.
WAVEFORMS
– MAIN (1/3) SECTION –
1
4.8Vp-p
16.9MHz
IC304 6 XTO
2
1.1Vp-p
(PLAY)
IC303 %º RF AC
3
2.3V
APPROX 500mVp-p (PLAY)
IC303 $¡ TE
4
2.3V
APPROX 200m Vp-p (PLAY)
IC303 #ª FE
– MAIN (3/3) SECTION –
5
5Vp-p
32.768kHz
IC7010XT2
6
5Vp-p
5MHz
IC701 7 XOUT
15 15
HCD-EX100