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SONY.
SERVICE MANUAL
FOR
MICROPHONE
HEADSET SYSTEM DR-6020
3.
Disassembly
MICROPHONE ECM-9030, ECM-9031 (See Figure 4.)
(1) Remove the amp casing (B) by unscrewing the screw.
(2) Take out the amp board mount from the amp casing (A).
(3) Unsolder the lead wires of the plug (A) ass'y, plug (B) ass'y, and microphone main-frame ass'y from the amp
board mount.
(4) Remove the clamps from the plug (A) ass'y, plug (B) ass'y, and microphone main-frame ass' y.
(S) Pull out the bushing from the plug (A) ass'y and plug (B) ass'y.
(6) Pull out the case bushing from the microphone main-frame ass'y.
PLUG
(B) ASS'Y
Note : Install the amp casing (A)
so
that
the letters
of SONY
is located
as
illustrated.
AMP
CASING
(A)
The amp casing (A) is not supplied
for service.
Se
If it is damaged, change the whole
~
set with new
one.
AMP
BOARD
MOUNT
CASE
BUSHING
BUSHING
CLIP ASS'Y
AMP CASING (B)
SCREW
Figure 4. Microphone ECM-9030, ECM-9031
Exploded View
MICROPHONE
MAIN-FRAME
ASS'Y
CORD
OF
PLUG
(A) ASS'Y
CLAMP
CORD OF MICROPHONE
MAIN-FRAME ASS'Y
BUSHING
=
x
4)
S
AMP
Ai
hee
aN
CASING (B)
Vi,
Fo
N
(<
ZR SN
CORD OF
2 mm
Saf
PLUG (B) ASS''Y
*
CASE BUSHING
CLAMP
Figure 5. Cords of Plug (A) Ass'y and
Plug (B) Ass'y Arrangement
:
AMP CASING (B)
Figure 6. Cord of Microphone
Main-Frame Ass'y Arrangement
13
Original
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