Sony CDX-705 / EXCD-3 (serv.man5) Service Manual ▷ View online
SERVICE MANUAL
CDX-705/EXCD-3
US Model
Canadian Model
CDX-705/EXCD-3
AEP Model
UK Model
E Model
CDX-705
SUPPLEMENT-4
File this supplement with the service manual.
(ENG-98014)
1. NEW/FORMER DISCRIMINATION
Subject: Mechanism Deck Modification (MG-250C-137)
The mechanism deck was changed from MG-250B-137 to MG-250C-137.
At the same time, main and jack boards were been changed.
This supplement contains only a new type mechanism deck.
At the same time, main and jack boards were been changed.
This supplement contains only a new type mechanism deck.
7Y187A
B: MG-250B-137
C: MG-250C-137
C: MG-250C-137
– 2 –
Note on Printed Wiring Board:
•
Y
: parts extracted from the conductor side.
•
r
: Through hole.
•
¢
: 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.
2. DIAGRAMS
2-1.
2-1.
NOTES FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
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.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
•
Power voltage is dc 14.4 V and fed front CD changer con-
troller.
troller.
•
Voltages are dc with respect to ground under no-signal con-
ditions.
no mark : PLAY
ditions.
no mark : PLAY
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
•
Signal path.
J
: CD
•
Abbreviation
CND
CND
: Canadian
•
Abbreviation
CND
CND
: Canadian
CDX-705/EXCD-3
– 3 –
– 4 –
D201
D-6
D202
D-6
D203
F-7
D204
F-7
D205
F-6
D206
F-6
D207
F-5
D301
H-9
D311
G-7
D501
H-8
D502
G-8
D503
G-8
D504
G-8
D505
H-8
IC101
D-11
IC102
C-9
IC202
I-9
IC204
G-8
IC301
G-7
IC302
H-10
IC303
H-8
IC401
D-9
Q202
C-6
Q203
F-7
Q204
H-8
Q205
F-6
Q301
G-11
Q401
E-8
Q402
E-8
Q403
D-7
Q404
D-7
2-2.
PRINTED WIRING BOARDS – MAIN/JACK BOARD (Component side) –
• Semiconductor
Location
Ref. No.
Location
CDX-705/EXCD-3
– 5 –
– 6 –
2-3.
PRINTED WIRING BOARDS – MAIN/JACK BOARD (Conductor side) –
IC201
F-9
IC203
E-9
Q201
E-8
• Semiconductor
Location
Ref. No.
Location
