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4.13 Earphone Trouble
SETTING : After Initialize Agilent 8960, Test in EGSM, DCS Mode.
Earphone sending
path problem
START
Does the audio profile of the
phone change to the earphone
mode?
Earphone will work properly
Inset the earphone to the phone
Set the audio part of
the test equipment to echo mode.
Yes
No
No
Yes
Earphone detect problem
Change the earphone and try again.
Audio path problem
Can you hear your voice from
the earphone?
Can you
hear your voice from
the earphone?
Change Earphone.
Yes
No
Set the audio part of the test
equipment to PRBS or
continuous wave mode.
Can you hear your voice
from the earphone?
Yes
Earphone receiving
path problem
①
④
③
②
4. TROUBLE SHOOTING
Summary of Contents for G3100
Page 32: ... 34 3 TECHNICAL BRIEF Figure 3 20 TX IQ Signal Figure 3 21 RX IQ Signal ...
Page 40: ... 42 Figure 3 26 1 Voice band circuit diagram Headset Hands free kit part 1 3 TECHNICAL BRIEF ...
Page 42: ... 44 Figure 3 27 AD6521 circuit diagram 3 TECHNICAL BRIEF ...
Page 73: ... 75 4 3 8 Receiver RF Level Figure 4 1 Test Points of Rx Level 4 TROUBLE SHOOTING ...
Page 74: ... 76 4 3 9 Transmitter RF Level Figure 4 2 Test Points of Tx Level 4 TROUBLE SHOOTING ...
Page 81: ... 83 The Receiver part Circuit Diagram C203 C207 C206 4 TROUBLE SHOOTING ...
Page 87: ... 89 R202 MIC201 R204 C204 C201 R208 R206 C208 Q203 4 TROUBLE SHOOTING ...
Page 93: ... 95 Test SIM Connector Check J301 4 TROUBLE SHOOTING ...
Page 97: ... 99 J201 R240 C234 L201 R241 4 TROUBLE SHOOTING U205 U203 U204 ...
Page 101: ... 103 CN302 U203 U204 4 TROUBLE SHOOTING ...
Page 102: ... 104 U205 4 TROUBLE SHOOTING ...
Page 117: ... 119 9 PCB LAYOUT 9 1 Rear Part ...
Page 118: ...9 2 Front Part 120 ...
Page 134: ... 137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...