Sony CDX-S2210 - Fm/am Compact Disc Player, Руководство по обслуживанию

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CDX-S2210/S2210S/S2210X/S2250EE/SW330
CDX-S2210/S2210S/S2210X/S2250EE/SW330
• Waveforms
— SERVO Board —
(CD PLAY) — MAIN Board —
• 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 /
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
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.)
•
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 PLA Y
• Main (1/4), (2/4), (3/4), (4/4) and Display sections
no mark : FM
( ) : AM
< > : CD PLA Y
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M Ω ).
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 PLA Y
F
: FM
f
: AM
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.
Note:
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Q
C
These are omitted
E B
E
These are omitted
C B
C
These are omitted
B E
1
IC501
i;
(XIN)
1.4Vp-p
32.678kHz
1.2Vp-p
18.432MHz
2
IC501
id
(OSCOUT)
1
IC2
4
(FEI)
Approx.
1Vp-p
0 V
0.6 Vp-p
16.9344 MHz
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV 0.5 V/DIV, 0.5
µ
sec/DIV
2
IC2
6
(TEI)
200 mV/DIV, 5 msec/DIV
6
IC2
oh
(FPI2),
0.5 V/DIV, 0.5
µ
sec/DIV
Approx. 400 mVp-p
3
IC2
wd
(XI)
0.2 V/DIV, 0.2
µ
sec/DIV
7
IC3
ia
(X1)
0.5 V/DIV, 0.2
µ
sec/DIV
1.1 Vp-p
12 MHz
4
IC2
uj
(RFI)
0.5 V/DIV, 0.5 µ sec/DIV
5
IC2
of
(FNI2),
og
(FNI1)
1.5 Vp-p
oj
(FPI1)
1.5 Vp-p
0 V
Ver. 1.3
NOTE FOR REPLACEMENT OF THE IC501
IC501 on the main board has two types of IC models: MB90487 and MB90F488B.
The service part is the model MB90487 only.
Check the model number printed on the IC when replacing IC501.
If MB90F488 is printed on the IC, mount the capacitor C551 additionally.
JAPAN
F
MB90487A
MB90F488B
company emblem
IC501 C351
MB90487A 0.001µF
MB90F488B NO MOUNT