Nokia 6235 Service Manual

6235/6235i/6236i (RM-60)

Baseband Description and Troubleshooting

Page 46 

©2005 Nokia Corporation     Company Confidential

Issue 1 04/2005

The following section has a list of common problems, along with some standard checks.

• Make sure good connection between flash adaptor and phone

• Phone has to be powered by prommer (FPS-8)

• Check Baseband regulators VR3, VIO, VCORE, VFLASH1

• Phone will not able to flash without 19.2Mhz clock into UPP

• Check BSI, MBUS, FBUSRx, FBUSTx, PURX, SLEEPX for bad solder joints between 

UEM and UPP

• Check Flash bus signal and VPP voltage level

• Check all connection between test fixture, cables and phone

• Make sure phone is in Local Mode check BSI signal level if not

UEME

V2000

Battery Bar Scroll

F2000