Note For Printed Wiring Boards And Schematic Diagrams; Waveforms - Sony CDX-F5700 Service Manual
Fm/mw/lw compact disc player
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Also See for CDX-F5700:
- Operating insructions (172 pages) ,
- Operating instructions manual (92 pages) ,
- Service manual (51 pages)
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CDX-F5700/F5705X
3-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
•
f
: internal component.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
Ne les remplacer que par une
cal for safety.
Replace only with part
piéce portant le numéro
number specified.
spécifié.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/2), (2/2) and Display sections
no mark : FM
(
) : AM
<
> : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: AM/MW/LW
L : BUS AUDIO
• Abbreviation
CND : Canadian model.
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: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
Q
These are omitted
B
E
B
E
C
These are omitted
E
C
B
These are omitted
• Abbreviation
CND : Canadian model.
3-7. WAVEFORMS
— Servo Board —
(MODE: CD PLAY)
1
Approx. 100mVp-p
wa
(TEI)
IC3
2
Approx. 100mVp-p
wd
(FEI)
IC3
3
wh
(A),
wk
IC3
4
wj
(B),
wl
IC3
5
ra
(RFACO)
IC3
6
16.9344MHz
IC3
uj
(XTAO)
7
18.43MHz
IC4
ia
(X1)
24
24
— Main Board —
1
0V
27.648MHz
IC600
qs
(OSCOUT)
2
0V
32.768kHz
qh
(XOUT)
IC600
3
Approx.
150mVp-p
8.664MHz
q;
(XTO)
(C)
IC50
Approx.
150mVp-p
(D)
Approx.
0.8Vp-p
2Vp-p
1Vp-p
2.2Vp-p
1.8Vp-p
2.8Vp-p
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