5-9
Flow chart of trouble shooting and Circuit Diagram
5-5 Microphone Part
Microphone does not work
Resolder CN503, pin 10, 11 and
ZD109, ZD112
Check
the connection
from CN503, pin 10, 11
U113, U115 pin 2 (AVCC) 2.9V?
Check the circuit
from U108 to U113, U115
Check the circuit related to Q102
END
Resolder the R174, R175, R176
R177, C187, C188 and C204
Yes
No
Yes
Yes
Yes
No
No
Check the Key PCB
Replace the Key PCB
Yes
No
Summary of Contents for SGH-A200
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 01895A ELECTRONICS ...
Page 12: ...Exploded Views and Parts List 1 9 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...
Page 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Page 14: ...PCB Diagrams 2 2 2 1 1 Main RF Top ...
Page 15: ...PCB Diagrams 2 3 2 1 2 Main Base Band Top ...
Page 16: ...PCB Diagrams 2 4 2 2 Main Bottom ...
Page 17: ...2 5 PCB Diagrams 2 2 1 Main RF Bottom ...
Page 18: ...PCB Diagrams 2 6 2 2 2 Main Base Band Bottom ...
Page 46: ...Flow chart of trouble shooting and Circuit Diagram 5 16 RI_LIGHT R706 Q101 3 CN503 KPCB A SSY ...