Nokia RH-6 Series Baseband Description & Troubleshooting page 71

CCS Technical Documentation
A-cover assembly - LED
Start
Are the Flip LEDs
working?
Yes
End
Issue 1 10/2003
Company Confidential
Change A-Cover
No Assy. Are the LEDs
working now?
No
Check X307 (solder
joints). Is it OK?
Yes
Check L301 and
L302.
Is it OK?
Yes
Measure Voltage of LED+
LED+ = ~3.2V when LED
driver (V303) is enabled.
Is it OK?
Yes
Retest
© 2003 Nokia Corporation.
6 - BB Description & Troubleshooting
Retest failing
Yes
A-Cover Assy.
No Change X307
Change L301
No
and L302
Check V303, V329, R307, and
R305.
If not OK, change defect part
RH-6
Page 71