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START
No
1. Earphone detection problem
Can you
hear the sound
from the
earphone?
Yes
Soldering
of
C245, R225, L202
and L203
is OK?
No
Resolder the
C245, R225, L202,
and L203
Does
the Audio profile change
to the earphone
mode?
The ABB is out of order.
Change the board.
2. Sending Path problem
Yes
Soldering of CN200
is OK?
Resolder the
CN200
Yes
The earphone is OK?
Change the
Earphone.
Yes
cf) PRBS : Pseudo Random Bit Sequence
Insert the earphone
into the headset.
Set the audio part of test
equipment to PRBS or
continuous wave mode
No
No
No
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Summary of Contents for MG210
Page 1: ...Date May 2006 Issue 1 0 Service Manual MG210 Service Manual Model MG210 Z 3 X B O X C O M ...
Page 3: ... 2 Z 3 X B O X C O M ...
Page 5: ...Z 3 X B O X C O M ...
Page 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...
Page 45: ...4 2 KEYPAD Components Placement 4 TROUBLE SHOOTING 44 U301 MIC200 Z 3 X B O X C O M ...
Page 87: ...4 TROUBLE SHOOTING 86 Waveform PA_ON VRAMP Z 3 X B O X C O M ...
Page 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG210 dll Z 3 X B O X C O M ...
Page 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button MG210 Z 3 X B O X C O M ...
Page 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition MG210 Z 3 X B O X C O M ...
Page 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG210 Z 3 X B O X C O M ...
Page 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition MG210 Z 3 X B O X C O M ...
Page 101: ... 100 Z 3 X B O X C O M ...
Page 106: ... 105 8 pcb layout Z 3 X B O X C O M ...
Page 107: ... 106 8 pcb layout Z 3 X B O X C O M ...
Page 111: ... 110 Z 3 X B O X C O M ...
Page 126: ...Note Z 3 X B O X C O M ...
Page 127: ...Note Z 3 X B O X C O M ...