Nokia 6235 Service Manual

Nokia Customer Care

Baseband Description and Troubleshooting

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

Issue 1 04/2005

©2005 Nokia Corporation     Company Confidential

Page 43

Check the following points, if the current is too high at zero (see 

 and 

):

1. Is the VBAT contact intact?

2. Measure BB regulator voltage levels:

•

VANA—2.78V

•

VIO—1.8V

•

VCORE—1.35V/1.05V @ Sleep

•

VFlash1—2.78V

•

VR3—2.78V

VR5

VR4

VCOREIn

VR2

VR1A

VR1B

VBATbb

VAUX

VFlash1

VANA

VSIM

VR3

VR7

VR6