Display Test; Charging Test - Nokia 6235 Baseband Description And Troubleshooting

Nokia Customer Care

Display Test

Check the following points for the display (see
1. Is the VBAT voltage at X2000?
2. Is the VBAT voltage at C2000?
3. Is the BSI line at R2206?
4. Is the BSI line at R2203?
5. Is Sleep Clock at 32kHz?
6. Is System Clock at 19.2kHz

Charging Test

Check the following points, charging (see
1. Does the battery bar scoll work?
2. Measure the BTEMP at V2000, check if it is at 25 degrees C. If not, replace the
UEM.
3. Remove fuse at F2000 and measure current, check if it is at 850mA. If not,
replace the UEM.
4. Measure the voltage at V2000, check if it is at 3VDC.
Issue 1 04/2005
©2005 Nokia Corporation
6235/6235i/6236i (RM-60)
Baseband Description and Troubleshooting
Figure 47):
Figure 48):
Company Confidential Page 45