Nokia 7088 Troubleshooting Manual
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Also See for 7088:
- User manual (94 pages) ,
- Troubleshooting manual (44 pages) ,
- Disassembly/assembly (9 pages)
Related Manuals for Nokia 7088
Summary of Contents for Nokia 7088
- Page 1 Nokia Customer Care 7088 (RM-219) Mobile Terminal Antenna Description and Troubleshooting Issue 12/2006 Company Confidential © 2006 Nokia Corporation...
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Page 2: Table Of Contents
Page Introduction........................3 Visual Quality Requirements ................3 Failures and Corrective Measures ................3 Internal Antenna ....................4 Damage of the antenna feeding pins..............4 Obstruction of the RF signal path................5 RF Connector Failure ..................6 Page 2 © 2006 Nokia Corporation Company Confidential Issue 12/2006... -
Page 3: Introduction
If the antenna can be seen at some condition, remove the current antenna decoration, and stick a new one on its proper position. Antenna zone Antenna decoration D Cover Figure 1: D Cover Assembly Issue 12/2006 © 2006 Nokia Corporation Company Confidential Page 3... -
Page 4: Internal Antenna
If the DC resistance between these two pins is more than 0.5 ohm, change the D Cover assembly. If one of these two feeding pins is broken or bent, change the D Cover assembly. Page 4 © 2006 Nokia Corporation Company Confidential Issue 12/2006... -
Page 5: Obstruction Of The Rf Signal Path
If the DC resistance between signal pad and the output port of RF switch is more than 1 ohm, replace the PWB. Signal pad Output port of RF switch Matching circuit Figure 3: PWB layout of RF feeding path Issue 12/2006 © 2006 Nokia Corporation Company Confidential Page 5... -
Page 6: Rf Connector Failure
Memory IC is underfilled and cannot be replaced. • The Baseband Shielding Cover Assy and RF Shielding Cover cannot be reused after removal. • After using the heatgun, replace the domesheet Page 6 © 2006 Nokia Corporation Company Confidential Issue 12/2006...