
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START
No
Resolder the
R211
A few hundreds
of mV of signals are
measured ?
Yes
The soldering of R211
is OK?
Yes
The voltage of R211
is 2.5?
The MIC is out of order.
Change the MIC.
No
ABB is out of order.
Change the board.
YES
Resolder the
C225,C226,R215,
and R216
The soldering
of C225,C226,R215,
and R216
is OK?
Yes
No
Soldering between
MIC and Board
is OK?
Resolder the MIC
No
Yes
No
Connect the handset to
network equipment and
setup call.
Check the signal level at pin
1,2 of the MIC after putting
audio signal into the MIC.
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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 ...