Nokia 7270 Service Manual

Issue 2  03/2005

COMPANY CONFIDENTIAL

38

Copyright © 2005 Nokia. All Rights Reserved.

RM-8/RM-47/RM-48

Nokia Customer Care

■ 

Start

Are the main 

display LED’s

working?

Go to “Main display

illumination fault”

No

Are the mini 

display LED’s

working?

Yes

Go to “Mini display

illumination fault”

No

Are the 

keyboard LED’s

working?

Yes

No

Check D2401, C2400,

C2401, R2401, V2416

and measure every

LED (~3,2V). OK?

Change defect

component. If it

still fails change

UEMEK (D2200).

No

Retest

END

Yes

Yes