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4. TROUBLE SHOOTING
- 82 -
START
Does the audio
profile of the phone
change to the
earphone mode?
NO
YES
Resolder J201
YES
Earphone will work properly
Change earphone
Level at pin1
of U201 is high
NO
Can you hear your
voice from
the earphone?
Set the audio part of the test
Equipment to echo mode
Change the earphone
and try again
NO
Can you hear your
voice from
the earphone?
YES
Can you hear
the sound from
the earphone?
No
Set the audio part of
the test equipment to
PRBS or continuous
wave mode
Download software.
YES
Does it work well?
Change the main board.
YES
NO
Voltage at
C209
=1.2V ?
Check soldering
C209
R209
YES
Change the main board.
YES
Download software
Resolder component
Replace U201
YES
Checking Flow
Summary of Contents for S5000
Page 1: ...Date November 2005 Issue 1 0 Service Manual S5000 Service Manual Model S5000 ...
Page 3: ... 4 ...
Page 82: ...4 TROUBLE SHOOTING 83 4 12 KEY backlight Trouble Test Points Figure 4 21 ...
Page 101: ...5 DOWNLOAD AND CALIBRATION 102 9 Phone test Finish is shown in below screen ...
Page 103: ... 104 ...
Page 111: ... 112 8 PCB LAYOUT ...
Page 112: ... 113 8 PCB LAYOUT ...
Page 113: ... 114 ...
Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 125: ... 126 ...
Page 126: ... 127 ...
Page 128: ... 129 12 EXPLODED VIEW REPLACEMENT PART LIST ...
Page 129: ... 130 ...