Microphone Part - Samsung SGH-A200 Service Manual
Dual band mobile
Hide thumbs
Also See for SGH-A200:
- Owner's manual (73 pages) ,
- Quick start manual (4 pages) ,
- Features & specifications manual (2 pages)
Table of Contents
Advertisement
5-5 Microphone Part
Microphone does not work
from CN503 pin 10, 11
U113, U115 pin 2 (AVCC)
from U108 to U113, U115
Check the Key PCB
Flow chart of Troubleshooting and Circuit Diagram
Yes
Check
the connection
Yes
2.9V?
Yes
Check the circuit
Yes
Yes
END
No
Resolder CN503 pin 10, 11 and
ZD109, ZD112
No
Check the circuit related to U463
No
Resolder the R174, R175, R176,
R177, C187, C188 and C204
No
Replace the Key PCB
5-9
Advertisement
Table of Contents
