ECM-DS70P
SERVICE MANUAL
Ver 1.1 2001. 03
With SUPPLEMENT-1
(9-923-256-81)
SPECIFICATIONS
US Model
Canadian Model
AEP Model
E Model
9-923-256-12
2001C0200-1
© 2001.3
ELECTRET CONDENSER STEREO MICROPHONE
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
ECM-DS70P
[PRINTED WIRING BOARD]
SECTION 1
DIAGRAM
[AMP BOARD]
MIC 1
02
[SCHEMATIC DIAGRAM]
1
WHT
RED
D1
C1
GRN
P1
MIC OUTPUT
1-667-840-
GLD
RED
D2
RED
C2
WHT
Note on Printed Wiring Boards:
Note:
• X : parts extracted from the component side.
• b : Pattern on the side which is seen.
11
MIC 2
23456
A
B
C
D
L ch
R ch
MIC 1
MIC 2
S
D1
UDZ-4.7
C1
1000p
P 1
MIC OUTPUT
D2
S
UDZ-4.7
C2
1000p
02
Note on Schematic Diagram:
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
– 2 –
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
2
SECTION 2
EXPLODED VIEW
• The mechanical parts with no reference
number in the exploded views are not
supplied.
3
4
P1
4
1
5
2
6
not supplied
7
(including 4)
8
9
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
1 2-545-316-01 SPRING, CLICK
2 2-387-701-21 SCREW (1.4)
3 X-2542-154-1 GRILLE ASSY (R)
4 2-545-313-01 CASE, FRONT
5 X-2542-153-1 GRILLE ASSY (L)
* 6 1-667-840-11 AMP BOARD
7 A-4540-471-A CAPSULE ASSY
8 2-545-314-01 CASE, REAR
9 3-334-565-11 SCREW (B1.7 X 10), TAPPING
P1 1-782-912-11 CORD (WITH PLUG) (3 CORE) (MIC OUTPUT)
– 3 –
ECM-DS70P
AMP
NOTE :
• Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
• Items marked “ * ”are not stocked since
they are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
Ref. No. Part No. Description Remark
* 1-667-840-11 AMP BOARD
**********
< CAPACITOR >
C1 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
C2 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
< DIODE >
D1 8-719-976-96 DIODE DTZ4.7C
D2 8-719-976-96 DIODE DTZ4.7C
************************************************************
ELECTRICAL PARTS LIST
• CAPACITORS
uF : µ F
SECTION 3
When indicating parts by reference number, please include the board.
MISCELLANEOUS
***************
P1 1-782-912-11 CORD (WITH PLUG) (3 CORE) (MIC OUTPUT)
************************************************************
ACCESSORIES & PACKING MATERIALS
********************************
3-860-993-11 MANUAL, INSTRUCTION
(ENGLISH,FRENCH,GERMAN,SPANISH,
DUTCH,SWEDISH,ITALIAN,PORTUGUESE)
– 4 –
ECM-DS70P
SERVICE MANUAL
2001.03
SUPPLEMENT - 1
File this Supplement with the Service Manual.
Subject : ADDITION OF ACCESORIES (US MODEL ONLY)
US Model
Canadian Model
AEPModel
E Model
r
Added follwing Accesories (Service Manual See page 4)
Ref. No. Part No. Description Remark
1-757-949-11 CORD, MICROPHONE EXTENSION (US model only)
A-3052-666-A CLIP ASSY, HOLDER (US model only)
9-923-256-81
2001C0200-1
© 2001.3
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
ECM-DS70P
REVISION HISTORY
Clicking the version allows you to jump to the revised page.
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Ver. Date Description of Revision
1.1 2001.03 SUPPLEMENT-1: Addition of Accesories. (ECN-MCB00296)
1.0 1998.02 New
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