Sony CDX-434RF / CDX-530RF / CDX-535RF (serv.man2) Service Manual ▷ View online
5
5
3.
MAIN/SW/FM BOARDS MODIFICATION
3-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
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.
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.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from CD changer controller.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
• 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 PLAY
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
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
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
6
6
CDX-434RF/530RF/535RF
D201
B-6
D202
B-6
D231
F-8
D306
F-5
D307
F-5
D308
G-4
D309
F-4
D310
G-4
D311
F-3
D312
F-6
D313
F-3
IC101
C-8
IC201
F-8
IC203
G-10
IC301
G-3
IC303
F-3
IC401
C-6
Q201
E-10
Q231
F-7
Q232
F-8
Q301
F-5
Q302
F-5
Q303
F-4
Q401
D-8
Q402
D-8
Q410
C-6
Q420
B-6
3-2.
PRINTED WIRING BOARDS – MAIN Section (1/2) –
• Semiconductor
Location
Ref. No.
Location
(Page 10)
7
7
CDX-434RF/530RF/535RF
3-3.
PRINTED WIRING BOARDS – MAIN Section (2/2) –
IC304
G-1
IC305
E-1
• Semiconductor
Location
Ref. No.
Location
8
8
CDX-434RF/530RF/535RF
3-4.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
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