Sony CDX-GT650UI - Fm/am Compact Disc Player, Руководство по обслуживанию

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CDX-GT650UI/GT700UI/GT707UI
CDX-GT650UI/GT700UI/GT707UI
17 17
For Schematic Diagrams.
Note:
• All capacitors are in
μ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and 1 /
4
W or less unless otherwise
speci
fi
ed.
•
f
: Internal component.
•
C
: Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : AM or MW
< > : CD PLAY
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
F
: FM
f
: AM or MW
L
: AUX
c
: USB
g
: BUS AUDIO
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
Y
: Parts extracted from the conductor side.
•
a
: Through hole.
• : Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A) Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Waveforms
– MAIN Board –
Note:
The components identi-
fi
ed by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number speci
fi
ed.
Note:
Les composants identi
fi
és
par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spéci
fi
é.
• Abbreviation
CND : Canadian model
RU
: Russian model
EA : Saudi Arabia model
MX : Mexican model
IND : Indian model
• Abbreviation
CND : Canadian model
RU
: Russian model
EA : Saudi Arabia model
MX : Mexican model
IND : Indian model
2.9 Vp-p
32.768 kHz
3.5 Vp-p
7.92 MHz
1 V/DIV, 20 ȝ sec/DIV
2 V/DIV, 50 nsec/DIV
1
IC501 qa (XOUT)
2
IC501 qd (OSCOUT)
0.05 Vp-p
4 MHz
0.05 V/DIV, 50 nsec/DIV
3
IC001
qh
(XTAL1)