Introduction To Troubleshooting For Service; Test Points For Service; Power And Charging; Troubleshooting: Phone Is Dead - Nokia 6111 RM-82 Service Manual

RM-82
Troubleshooting for Repair service

Introduction to troubleshooting for service

While servicing this phone you are not allowed to open the shielding cans. Therefore many components can
not be accessed. If you locate a failure to the UEMEK, Tiku or other components under shieldning, the PWB
will be replaced.
A list of changeable PWB components can be found in the
and audio parts in the
Note: Most components are under shielding and therefore not changeable. You MUST NOT cut the
shielding cans open!

Test points for service

Note: Shielding cans must not be opened for repair!

Power and charging

Troubleshooting: Phone is dead

Context
The phone will only work when the power supply is above 2.9 V. Software will run at levels above 3.1 V.
Normal voltage supply is 3.7 V.
Steps
1. Check VBAT
2. Check power key
3. Replace PWB
Issue 1
Mechanical parts list (page
Figure 84 Test points for repair services
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All rights reserved.
Component parts list (page 2–8)
2–7), or in the latest Service bulletin.
Nokia Customer Care
and the mechanical
Page 6 –5