Troubleshooting - Motorola G30 Technical Information

Troubleshooting

Troubleshooting

Table 3-1
them. If the problem persists, please contact your Motorola representative.
Problem
Power
Developer board does not
power up
The G30 does not
power up or does not
communicate
High current
consumption
GSM Reception
No GSM reception
available
SIM card
The SIM card does
not operate
Serial Communications
The RS232 port does not
work with the PC
Audio
The headset does
not work
46
lists problems that may occur during board operation, and describes how to resolve
Table 3-1: Troubleshooting
Indication
Power LED does not light
The G30 on/off LED doesn't light or
lights for a short period
The G30 on/off LED lights up auto-
matically when power is applied
The G30 on/off LED blinks
The resetable fuse is turned on
The G30 unit searches unsuccessfully
for network
The SIM LED does not illuminate
The PC does not communicate
Incorrect RS232 LEDs are lit
No sound in the headset earpiece or
No sound is produced from the head-
set microphone
G30 Developer's Kit
Action
Check the power source connection.
If using an external DC power source, verify that the
supply is within the limits of 3.3 V to 4.2 V.
Verify that the board power switch (S200) is on.
Check the source jumper (P203 or P204) position.
Verify that the EVB jumper (P201) is present.
Check the G30 connection to the Developer Board.
Verify that the UUT jumper (P203 or P204) is present.
Depress the G30 on/off pushbutton for a longer period.
Contact your Motorola representative.
Check the polarity of the DC power inputs.
Verify that only one optional power source is con-
nected.
If using an external DC power source, verify that the
supply is within the limits of 3.3 V to 4.2 V.
Fasten the G30 to the board with the supplied screws.
Check the MMCX RF cable connection to the G30.
Fasten the RF cable connections between the EXT
ANT and INT ANT connectors.
Fasten the onboard antenna stub into its base.
Verify that the SIM card operates at 3 V.
Verify that the SIM card is inserted properly into its
tray.
Check the serial cable connection to the PC.
Verify that the PC port settings comply with the G30
defaults.
Contact your Motorola representative.
Verify that the headset is inserted correctly into the
headset (J440) audio connector.
Use only the supplied headset.
Check the G30 volume level.
December 15, 2009