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Flow Chart of Troubleshooting
9-16
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9-4. MIC Working
MAIN NG
NO
EARING
NO
YES
NO
YES
NO
YES
OPERATE
MICROPHONE
3,5 Pin in SLC601
Signal On?
Change MIC Assy
'
s
21, 22 Pin in UCD400
Signal On?
6, 10 Pin in U403
Signal On?
3,4 Pin in
IFC500
Signal On?
Check the path between
UCD403 and 21,22 pin in
UCD400
Neighboring circuits
Check U403 &
Neighboring circuits
Change EARPHONE
Check UCP 200 for
voice call
UCD400 for Recording
& Neighboring Circuits
Содержание SGH-I780
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