Nokia 8208, Руководство по обслуживанию

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RM-384
Service Tools and Service Concepts
Issue1 Company Confidential Page 2-5
Copyright © 2009 Nokia. All rights reserved.
4. Close MJ-195. Then please follow
“service concept” to start further
testing.
Table 9 MJ-195 attenuation table
SS-175 Dome sheet Alignment Jig
SS-175 is a jig to align the adhesive dome sheet assembly onto the PWB in
the proper location during dome sheet replacement.
Domesheet UG:
Dome sheet exchange instruction (a)
Use tweezers to peel the dome sheet.
Note: After using the heatgun, the dome sheet
needs to be replaced.
Dome sheet exchange instruction (b)
Remove the dome sheet.
Dome sheet exchange instruction (c)
Place a new dome sheet to dome sheet jig. Dome sheet exchange instruction (d)
Align the guide pins and place the PWB on the jig
Dome sheet exchange instruction (e)
Press firmly on the PWB to ensure correct bonding
of dome sheet. Dome sheet exchange instruction (f)
Inspect to ensure proper adhesion of dome sheet to
PWB.
Table 10 SS-175 attenuation table