LG T5100 Service Manual page 41

3. BASEBAND PART TROUBLE SHOOTING
START
I/ O Connect or (CN401)
Is soldered well?
Yes
Voltage at p in 4, 6 of Q200
= 5.2 V ?
Yes
Q200, D200, R201 are
well-soldered?
Yes
Voltage across R 201
Is about 10~10 0mV ?
Yes
Battery is OK ?
Yes
Charging is operating properly
Resolder the CN401
No (Pin 4,5 : VCHG,
Pin 12, 19, 25, 26 : GND)
No
The TA is out o f order.
Change the TA
No
Resold er the Q200, D200,
R201
No
Replace the Q200 , D200
No
The Battery may have
Probl ems. Change battery.
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