Samsung SGH-i200 Service Manual page 30

Flow Chart of Troubleshooting and Circuit Diagrams
10-1-5. Microphone Part
Microphone does not w ork Microphone does not w ork Microphone does not w ork
connect ion with KEY PBA connect ion with KEY PBA connect ion with KEY PBA
Check the circuit Check the circuit Check the circuit
from CODEC(U502) to Mic from CODEC(U502) to Mic from CODEC(U502) to Mic
Check the Mic Check the Mic Check the Mic
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
End End
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No No No
Reconnect Key PBA Reconnect Key PBA Reconnect Key PBA
No No No
Resold R519, R525, R529, Resold R519, R525, R529, Resold R519, R525, R529,
C534, C533, TA503, C514, C520 C534, C533, TA503, C514, C520 C534, C533, TA503, C514, C520
No No No
Replace the KEY PBA Replace the KEY PBA Replace the KEY PBA
10-14
at HDC603 at HDC603 at HDC603