Sleep Clock - Nokia RH-41 Series Troubleshooting Instructions

CCS Technical Documentation

Sleep Clock

Missing/nonfunctional sleep clock causes
• Entering sleep mode fails (higher current consumption -> shorter standby
time).
• Baseband self tests cannot be run.
• Phone clock (on display) does not function properly.
Sleep mode not
working
Measure sleep clock
OK
Change UPP (D400)
Issue 2 09/2003
Measure sleep clock
Fail
from B200
OK
Change UEM (D200)
Figure 7: Fault tree, sleep clock
Nokia Corporation
Troubleshooting Instructions
Check C209 and
Fail
Change B200
Confidential
RH-41
C210
OK
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