Charger Fault - Nokia RH-30 Series Troubleshooting Instructions

Charger Fault

ICQ: 343183001 QQ: 35070846 Email: Serviceic@yahoo.com.cn
Start
Battery bars are
working (scroll)
No
Measure voltage
over V100
(TVS).
Is it > 3.0V?
Yes
Read BTEMP value.
Compare it to ambient
temperature.
Is it ~25C?
Yes
Measure charger
current throug F100.
Is it ~350...390mA
(with ACP-7)?
Yes
Retest
Figure 15: Charging troubleshooting
Yes
Check X102, F100,
No L100, V100, C106, C110
and line.
Check X100, C100,
R202, R207, C220
No
R304 and line.
and line. Are they
Are they OK?
Check R200. Is it
No
OK?
No
Yes
OK?
No
Yes
Retest
Change defect part (if
any), re-calibrate charge
current/voltage. Retest.
Re-calibrate BTEMP with
Phoenix SW. Retest.
Change defect part,
re-calibrate and retest.
Change UEM
Change defect part,
re-calibrate charge
current/voltage. Retest.