Sony Walkman D-FJ211, Руководство по обслуживанию

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17
D-FJ211
For schematic diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F 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 specifed.
•
C
: panel designation.
Note: Note:
The components identi- Les composants identifiés
fied by mark
0
or dotted par une marque
0
sont cri-
line with mark
0
are cri- tiques pour la sécurité.
tical for safety. Ne les remplacer que par
Replace only with part une piéce portant le
number specified. numéro spécifié.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power supply
from battery terminal.
• Voltages are dc with respect to ground under no-signal(detuned)
conditions.
no mark : FM
(
) : AM
[ ] : CD PLAY
• 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 toler
ances.
• Circled numbers refer to waveforms.
• Signal path.
E
: CD PLAY
F
: FM
f
: AM
• Abbreviation
CND : Canadian
C&SA : Central and South America
EE : East European
AUS : Australian
MX : Mexican
E13 : AM frequency range 531-1,602 kHz
2E13 : AM frequency range 531-1,710 kHz
Note on Printed Wiring Boards:
Note:
• X
: parts extracted from the component 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.
• Abbreviation
CND : Canadian
C&SA : Central and South America
EE : East European
AUS : Australian
MX : Mexican
E13 : AM frequency range 531-1,602 kHz
2E13 : AM frequency range 531-1,710 kHz
r
Waveforms
IC3
uf
X_O
VOLT/DIV : 0.5 V AC
TIME/DIV : 5
µ sec
Q14
C
VOLT/DIV : 2 V AC
TIME/DIV : 0.1
µ sec
1
2
IC601
qd
RF_I
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5
µ sec
3
1.0 Vp-p
75 KHz
4.0 Vp-p
0.29
µ
sec
0.45 to 0.75Vp-p
IC801
2
X_I
VOLT/DIV : 1 V AC
TIME/DIV : 0.1
µ sec
6
2.0Vp-p
235
µ
sec
IC601
td
CLK4M
VOLT/DIV : 1 V AC
TIME/DIV : 0.1
µ sec
5
2.0Vp-p
235 µ sec
IC601
ek
X_O
VOLT/DIV : 1 V AC
TIME/DIV : 20 nsec
4
1.2 Vp-p
16.934MHz
(FM/AM/TV/WB MODE)
(CD PLAY MODE)
(CD PLAY MODE)
IC403
wa
GSW
VOLT/DIV : 2 V AC
TIME/DIV : 2
µ sec
8
6.0 Vp-p
5.7 µ sec
IC403
qd
DSW
VOLT/DIV : 1 V AC
TIME/DIV : 2
µ sec
7
3.0 Vp-p
5.7
µ
sec
(CD PLAY MODE)
(CD PLAY MODE)
(CD PLAY MODE) (CD PLAY MODE)
Ver 1.1 2003.03
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