Checking Flow
SETTING : Connect the battery and the charging adaptor (TA) to the phone
START
YES
Charging Connector
CON301
Well-soldered?
NO
Re-soldering CON301
The charging adaptor (TA) is out of order.
Change the charging adaptor.
Voltage at
Pin25(V_CHAR)
of CON301 = 5V?
YES
NO
YES
NO
Is the battery
charged
NO
The battery may have the problem
Change the battery and try again.
Charging will operate properly
YES
YES
Does U400 and Q401
work Properly?
Change the U400 or Q401
NO
Q401, R413, R416
well-soldered?
Re-Soldering Q401, R413, R416
YES
34
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Summary of Contents for LG-MC2670
Page 17: ...LG MC26 70 DCN Mode Graph 2 1 2 1763 04MHz DCN384 14 Z 3 X B O X C O M ...
Page 21: ...LG MC2670 Waveform DP101 Pin 5 Graph 2 1 4 c DP101 Pin 8 Graph 2 1 4 b 18 Z 3 X B O X C O M ...
Page 32: ...LG MC2670 Circuit Diagram 29 Z 3 X B O X C O M ...
Page 55: ...LG MC2670 Appendix Z 3 X B O X C O M ...
Page 56: ...Z 3 X B O X C O M ...
Page 58: ...Z 3 X B O X C O M TX Line RX Line Local Line RD2670 ...
Page 59: ...Z 3 X B O X C O M TX Line RX Line MIC Line SPK Line RD2670 ...
Page 60: ...Z 3 X B O X C O M RD2670 ...
Page 61: ...Z 3 X B O X C O M SPK Line MIC Line RD2670 ...
Page 65: ...Description LG Part No Q ty MAIN PCB SPFY0083001 1 2 PCB Z 3 X B O X C O M ...