
External microphone troubleshooting
Troubleshooting flow
Internal earpiece troubleshooting
Check for obvious blocked holes, magnetic filings or debris jamming the earpiece, broken gauze, misplaced
gaskets, dirty contacts. Clean, fix or replace if required.
Electrical tests using the Phoenix audio sweep, measure:
•
D.C. voltage plus audio at J2100
•
Same D.C. voltage plus inverse audio at J2101
RM-609
BB Troubleshooting and Manual Tuning Guide
Issue 1
COMPANY CONFIDENTIAL
Page 3 – 37
Copyright © 2011 Nokia. All rights reserved.
Содержание RM-609
Страница 147: ...RM 609 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 31 Copyright 2011 Nokia All rights reserved ...
Страница 177: ...6 System Module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 6 1 Copyright 2011 Nokia All rights reserved ...
Страница 184: ...RM 609 System Module Page 6 8 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...
Страница 189: ...Power distribution RM 609 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 13 Copyright 2011 Nokia All rights reserved ...
Страница 190: ...Clocking scheme RM 609 System Module Page 6 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...
Страница 225: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2011 Nokia All rights reserved ...