Display Faults; Display Faults Troubleshooting - Nokia 3806 Service Manual

RM-583
Baseband Description and Troubleshooting

Display faults

There are usually several defects for Display: white panel, backlight N/G, display flowery or color
abnormal. First check if LCD is well connected with the module, if not, replace the connection or weld it
again. Then check the data input and operation voltage of LCD, if they are both ok, focus on CPU then.

Display faults troubleshooting

Page 6-18 Issue 1
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.