4. TROUBLE SHOOTING

4.2 Charger Troubleshooting

Charging Procedure

-Connect TA or USB Cable

-Control the charging current by QSC6270(disable 3G)

-Charging current flows into the battery

Troubleshooting Setup

- Connect TA and battery to the phone

Check Point

Troubleshooting Procedure

- Connection of TA or USB Cable

- Check the charger (TA or USB Cable) connector

- Charging current path

- Check the charging current Path

- Battery

- Check the battery

START

Check the pin and battery Connect terminals of I/O connector

Connection OK?

No

Change I/O connector

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the TA voltage TP1_5.1V(FL401)?

Yes

No

Change TA

Is it charging properly?

No

Yes

END

Change the main board

[ Charger Troubleshooting Flow ]

LGE Internal Use Only

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Only for training and service purposes

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LG Electronics LG-C320 service manual Connection OK? Change I/O connector Yes, End, Charger Troubleshooting Flow