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SG P400 F Hlow Chart of Troubleshooting
5. Microphone Part
M icrophone does not work Y es Is the assem bled status of microphone O ? .K Y es C heck the reference voltage on mic path Y es C 420 = 2.0V Y es microphone ok? No C heck U700 No Solder the microphone again or R eplace C 409,C 416,R 407,R 409,R 410,R 411 No R eassemble the microphone
Y es END
3- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
