User Guide

RH-30/RH-31 Company Confidential
Troubleshooting Instructions Nokia Customer Care
Page 48 © 2004 Nokia Corporation. Issue 2 11/2004
Illumination fault
Figure 41: Illumination fault troubleshooting 1
Start
Are the display
LEDs working?
Start
Are the keybar LEDs
and/or Flashlight
working?
Change X302
Check X302 connector
contacts and solder
joints. Are they OK?
Change display.
Are the LEDs working now?
No
VLED
No
Ye s
No
No
KB LED
Retest failing display
Ye s
Check V314,V313,
R314,R313
If not OK, change
defect part
Ye s