Sony CDP-CX240 Service Manual ▷ View online
IC501
#¡
EXTAL
– 27 –
– 28 –
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
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
• 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.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
no mark : STOP
• 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.
J
: CD
c
: digital out
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
®
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
IC101
#ª
FE
1
2
3
4
5
WAVEFORMS
IC101
^§
XTAI
IC101
%¡
RF AC
IC101
$¡
TE
IC101
@§
MDP
6
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 por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
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.
• Indication of transistor
3.1Vp-p
16.9MHz
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
7.5
µ
sec
2.4Vp-p
3.8Vp-p
10MHz
2.5V
APPROX 200m Vp-p (PLAY)
C
These are omitted
E
B
Q
C
These are omitted
E
B
– 29 –
– 30 –
CDP-CX240
6-3. SCHEMATIC DIAGRAM – BD SECTION –
• See page 28 for Waveforms.
• See page 47 for IC Block Diagrams.
• See page 50 for IC Pin Functions.
• See page 47 for IC Block Diagrams.
• See page 50 for IC Pin Functions.
(Page 36)
6-4. PRINTED WIRING BOARD – BD SECTION –
• See page 22 for Circuit Boards Location.
– 31 –
– 32 –
CDP-CX240
(Page 34)
– 33 –
– 34 –
CDP-CX240
6-5. PRINTED WIRING BOARD – MAIN SECTION –
• See page 22 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
D325
E-6
D327
E-5
D329
F-6
D425
E-6
D501
F-4
D502
F-4
D503
F-4
D504
F-4
D505
E-3
D506
E-1
D507
E-1
D508
F-5
D509
F-5
D521
B-3
IC302
D-7
IC401
C-8
IC402
D-8
IC501
C-4
IC502
B-4
IC503
D-1
IC504
D-5
IC505
D-3
IC506
C-6
Q321
D-7
Q322
E-7
Q323
E-7
Q324
E-7
Q325
E-6
Q326
D-6
Q327
E-5
Q328
F-6
Q329
F-6
Q421
D-9
Q422
E-8
Q423
E-8
Q424
E-9
Q425
E-6
Q426
D-6
Q501
E-2
Q503
C-5
Q511
B-2
Q512
B-2
Q521
A-3
(Page 46)
(Page 46)
(Page 44)
(Page 46)
(Page 46)
(Page 32)
(Page 46)
(Page 40)
(Page 39)
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