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RM-721
Service manual
General Voltage Checking Troubleshooting - Nokia RM-721 Service Manual
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Service manual
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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RM-721; RM-722
BB Troubleshooting and Manual Tuning Guide
General voltage checking troubleshooting
Troubleshooting flow - Page 1 of 2
Page 3 – 10
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2011 Nokia. All rights reserved.
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Chapters
Table of Contents
15
Table of Contents
29
Table 6 Power
49
Table of Contents
113
Table of Contents
135
Table of Contents
Troubleshooting
Power and charging troubleshooting
53
Power key (End key) troubleshooting
55
General voltage checking troubleshooting
56
Charging troubleshooting
59
USB charging troubleshooting
60
Battery current measuring fault troubleshooting
61
Interface troubleshooting
62
SIM card troubleshooting
64
MicroSD card troubleshooting
66
USB data interface troubleshooting
67
User interface troubleshooting
68
Numerical keypad illumination troubleshooting
70
Display module troubleshooting
72
Bluetooth and FM radio troubleshooting
73
FM radio troubleshooting
74
Camera troubleshooting
75
Camera hardware troubleshooting
76
Internal earpiece troubleshooting
79
Internal microphone troubleshooting
80
Internal handsfree (IHF) troubleshooting
81
External earpiece troubleshooting
82
External microphone troubleshooting
83
Acoustics troubleshooting
84
Earpiece troubleshooting
85
IHF troubleshooting
86
Microphone troubleshooting
87
Vibra troubleshooting
88
Tucson troubleshooting
89
Troubleshooting
104
General RF troubleshooting
115
Auto tuning procedure
116
Receiver troubleshooting
117
GSM receiver troubleshooting flowchart
119
WCDMA receiver troubleshooting flowchart
122
Transmitter troubleshooting
123
GSM transmitter troubleshooting flowchart
126
WCDMA transmitter troubleshooting
127
WCDMA transmitter troubleshooting flowchart
130
Antenna
131
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Rm-722
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