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RM-645
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Nokia RM-645 Service Manual page 52
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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RM-645
BB Troubleshooting and Manual Tuning Guide
Troubleshooting flow - Page 2 of 2
Page 3 – 8
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2010 Nokia. All rights reserved.
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Chapters
Section 1
15
Section 2
27
Section 3
47
Section 4
111
Section 5
135
Section 6
151
Table of Contents
Troubleshooting
Power and charging troubleshooting
51
Power key troubleshooting
53
General voltage checking troubleshooting
54
Charging troubleshooting
57
USB charging troubleshooting
58
Battery current measuring fault troubleshooting
59
Clocking troubleshooting
60
Interface troubleshooting
61
SIM card troubleshooting
64
MicroSD card troubleshooting
66
USB data interface troubleshooting
67
User interface troubleshooting
68
Keyboard LEDs troubleshooting
70
Display module troubleshooting
71
Display fault troubleshooting
73
Display backlight troubleshooting
74
Internal earpiece troubleshooting
78
Internal microphone troubleshooting
79
Internal handsfree (IHF) troubleshooting
80
External earpiece troubleshooting
81
External microphone troubleshooting
82
Acoustics troubleshooting
83
Earpiece troubleshooting
84
IHF troubleshooting
85
Microphone troubleshooting
86
Vibra troubleshooting
87
GPS failure troubleshooting
95
GPS basic checks troubleshooting
97
General RF troubleshooting
113
Self test troubleshooting
116
Receiver troubleshooting
118
GSM receiver troubleshooting flowchart
119
WCDMA receiver troubleshooting flowchart
122
Transmitter troubleshooting
123
GSM transmitter troubleshooting flowchart
127
WCDMA transmitter troubleshooting
128
WCDMA transmitter troubleshooting flowchart
131
Antenna troubleshooting
132
Main (back) camera troubleshooting
137
Main camera troubleshooting
138
Main camera baseband troubleshooting
139
Main camera no recognizable viewfinder image troubleshooting
141
Main camera bad image quality troubleshooting
142
Camera flash troubleshooting
143
Secondary (front) camera troubleshooting
144
Secondary camera bad image quality troubleshooting
146
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