Microphone Part - Samsung GT-i9003 Service Manual
Gsm telephone
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Also See for GT-i9003:
- User manual (146 pages) ,
- Service manual (86 pages) ,
- User manual (140 pages)
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Level 3 Repair
8-3-5. Microphone Part
Check main microphone function
in voice call receiver mode
Yes
No
Check the voltage at TA402
Resolder or replace U401
= 2.1V
Yes
Check component soldering
No
statuses of C814, C815,
Resolder or replace C814, C815, L400, L401
L400,L401
Yes
No
Check the connection of
Reconnect HDC600
HDC600
Yes
No
Touch-key Module breakdown?
Change Touck-key Module
END
8-16
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