Sony MDS-JE530 Service Manual ▷ View online
– 35 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
E
: PLAY (ANALOG OUT)
p
: PLAY (DIGITAL OUT)
j
: REC (ANALOG IN)
l
: REC (DIGITAL IN)
• Abbreviation
CND : Canadian model
SP
SP
: Singapore model
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
• Indication of transistor.
B
These are omitted.
C
E
Q
6-3.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Abbreviation
CND
: Canadian model
SP
: Singapore model
– 36 –
SW board
MAIN board
KEY SW board
DISPLAY board
BD board
POWER SW board
HP board
• Circuit Boards Location
MDS-JE530
– 37 –
– 38 –
6-4.
PRINTED WIRING BOARD – BD Board –
•
See page 36 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D101
A-1
D181
D-3
D183
D-3
IC103
B-1
IC123
D-2
IC171
D-1
Q102
B-1
Q103
C-1
Q104
B-1
• Semiconductor
Location
Ref. No.
Location
IC101
A-3
IC121
C-3
IC124
C-3
IC152
B-1
IC181
C-1
IC192
D-1
Q101
B-3
Q162
B-3
Q163
B-3
Q181
C-1
Q182
C-2
(SLIDE)
S102
REFLECT DET,
PROTECT DET
PROTECT DET
LOW REFLECT RATE/
UNPROTECT
HIGH REFLECT RATE/
WRITE PROTECT
(SPINDLE)
BLK
RED
(Page 45)
(Page 45)
MDS-JE530
– 39 –
– 40 –
6-5.
SCHEMATIC DIAGRAM – BD Board (1/2) –
•
See page 43 for Waveforms.
•
See page 55 for IC Block Diagrams.
(Page 41)
(Page 41)
(Page 41)
(Page 42)
(Page 42)
(Page 42)
(Page 42)
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