Checking Flow
START
Does the audio
Profile of the phone change to
the earphone mode?
Can you hear your voice
from the earphone?
Earphone will
work properly
Insert the earphone to the handset.
Change the earphone and
try again.
No
No
Yes
Yes
Set the audio part of the test
equipment to echo mode
Earphone detect problem
Audio path problem
Can you hear your voice
from the earphone?
Change Earphone.
Set the audio part of the
test equipment to
continuous wave mode
Earphone receiving
Path problem
Can you hear the sound
from the earphone?
Earphone sending
path problem
4
2
3
Yes
No
Yes
No
Yes
SETTING : After initialize 5515C, Test US Cellular
Summary of Contents for RD3500
Page 2: ...CDMA MOBILE SUBSCRIBER UNIT LG KD3500 SINGLE BAND CDMA MOBILE PHONE SERVICE MANUAL ...
Page 24: ...LG KD3500 LGE LG Electronics Inc 22 21 1 U201 QSC6010 CHAPTER 4 BGA IC Pin Check ...
Page 25: ...LG KD3500 LGE LG Electronics Inc 23 21 2 U310 Memory ...
Page 28: ...Circuit Diagram DP101 DP101 ...
Page 36: ...4 3 2 Charging Trouble Test Points Circuit Diagram CON409 CON409 pin1 ...
Page 47: ...4 3 10 LCD Trouble Test Points Circuit Diagram C O N 3 0 4 CON304 pin3 ...
Page 50: ...CON302 Test Points Circuit Diagram 4 3 11 UIM Trouble R375 R378 R361 R376 ...
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