Sony SCD-CE595, Руководство по обслуживанию

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SCD-CE595
SCD-CE595
SECTION 4
DIAGRAMS
• Circuit Boards Location
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
• : Pattern from the side which enables seeing.
C
B
These are omitted.
E
Q
Note Schematic Diagrams.
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark: SACD PLAY
( )
: 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
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
c
: CD DIGITAL OUT (OPTICAL)
Caution:
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.
1.4 Vp-p
1
IC001
tl
SIGO (CD)
1.4 Vp-p
1
IC001
tl
SIGO (SACD)
200 ns/DIV
40 ns/DIV
• Waveforms
• Indication of transistor.
– RF Board – – MAIN Board – – DISPLAY Board –
4
IC320
2
,
4
,
6
,
q;
,
qs
1.4 Vp-p
3
IC706
<z./
RF IN (SACD)
2
IC706
uk
DSPHREFO
354 ns
3.5 Vp-p
40 ns/DIV
3.3 to 3.5
Vp-p
88.6 ns
5
IC801 3 X1
200 ns
3.1 Vp-p
1 V/DIV, 200 ns/DIV
Note:
The components identi-
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
0 sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
MAIN board
PT board
SE-130 board
RF board
DISPLAY board
MD-94 board
KEY board
LED board
POWER SW board