ICD-MS1 - Sony Audio Service Manual (repair manual). Page 15

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AUDIO  BOARD, “MICROPHONE  UNIT, BACK  ELECTRET” (MIC161)
Note:
 Follow the assembly procedure in the numerical order given.
INSTALLATION  BACK  ELECTRET  MICROPHONE  UNIT (MIC161)
Note:
 On installation AUDIO board, adjust S161, S761,
S763, S764 and knobs (HOLD, DBB)
7
“microphone unit, back electret” (MIC161)
3
guide (PWB)
1
Raise the 
microphone cushion.
2
claw
8
AUDIO board
6
Remove two solders of the
back electret microphone unit 
lead wires (MIC161).
5
claw
4
window (LED)
three knobs (DBB)
knob (HOLD)
S161
S763
S764
S761
#
guide (PWB)
bosses
slot
boss
guide (PWB)
2
Install the back electret microphone 
unit (MIC161), aligning with three bosses.
Note: Take care not to allow the lead wires 
to ride on the 
!
 portion.
1
Put two lead wires 
in the slot of the guide (PWB).
3
Let excess lead wires 
through the guide (PWB) 
in the arrow direction.
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