![Sony MDS-JA20ES - Minidisc Deck Скачать руководство пользователя страница 38](http://html.mh-extra.com/html/sony/mds-ja20es-minidisc-deck/mds-ja20es-minidisc-deck_service-manual_411987038.webp)
– 40 –
Note on Schematic Diagram:
• 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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : STOP
(
) : PLAY
〈〈
〉〉
: REC
• 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.
E
: PB
j
: REC
p
: PB (Digital out)
l
: REC (Digital in)
• Abbreviation
CND : Canadian model.
Note:
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
6-3.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Abbreviation
CND
: Canadian model.
• Indication of transistor.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Содержание MDS-JA20ES - Minidisc Deck
Страница 13: ... 13 ...
Страница 14: ... 14 ...
Страница 43: ...6 7 PRINTED WIRING BOARDS BD SWITCH Section See page 39 for Circuit Boards Location 47 Page 67 ...
Страница 44: ... 48 6 8 SCHEMATIC DIAGRAM BD SWITCH Section Page 69 ...
Страница 45: ...MDS JA20ES 49 50 6 9 PRINTED WIRING BOARD AUDIO Board Component Side See page 39 for Circuit Boards Location ...
Страница 49: ... 57 6 13 PRINTED WIRING BOARD DIGITAL Section See page 39 for Circuit Boards Location ...
Страница 54: ...MDS JA20ES 65 66 6 17 PRINTED WIRING BOARD POWER Board Component Side See page 39 for Circuit Boards Location ...