RM-849; (Nokia Lumia 610)
BB Troubleshooting and Manual Tuning Guide
Page 3-42
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2012 Nokia. All rights reserved.
Lights troubleshooting
Example of Stain on J1802 BTB
LCM Connector J2401
Flash LED
Lights test
troubleshooting
Run lights test In
Diagnostic
Does the backlight
brightness change?
Replace Display
Fail
Check J2401 metal
surface
Fail
Clean J2401 metal
surface, remount
J2401
Pass
Fail
Change PWB
Does the Flash LED
turn on?
Replace Unibody
Fail
Visual check for Flash LED
PAD and contact spring,
Check whether there are
stain or deformation?
Fail
Clean Flash LED
metal surface,
Rectify the spring
height
Pass
Fail
Change PWB
End
Pass
Pass
Pass
Flash Spring
Summary of Contents for Lumia 610
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