Read Sony CMT-ED1A / SA-ED1A Service Manual online
– 1 –
MICROFILM
AEP Model
UK Model
E Model
SPECIFICATIONS
SERVICE MANUAL
SPEAKER SYSTEM
SA-ED1A
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE
WITH MARK
!
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Speaker system
Full range, active MFB
Speaker units:
10 cm dia., cone type
Rated impedance
4 ohms
Dimensions (w/h/d)
Approx. 195 x 205 x 120
mm (7
mm (7
3
/
4
x 8
1
/
8
x 4
3
/
4
in)
Mass
Approx. 1.5 kg (3 lb 7 oz.)
net per speaker
net per speaker
Design and specifications are subject to change without notice.
This set is speaker system
in CMT-ED1A.
in CMT-ED1A.
– 2 –
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.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
SECTION 1
DIAGRAMS
– 3 –
PRINTED WIRING BOARD
Ref. No.
Location
• Semiconductor
Location
D901
D-3
D903
D-3
D951
F-3
D953
F-3
D955
F-3
D957
F-3
D959
D-1
D961
D-1
D963
C-1
IC901
B-1
IC902
B-3
Q905
D-3
Q907
C-3
Q909
D-1
Q911
D-1
Q913
D-1
– 4 –
SA-ED1A
SCHEMATIC DIAGRAM
