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300
Service manual
Nokia 300 Service Manual page 112
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:
User manual
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Service manual
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User manual
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Contents
Table of Contents
Troubleshooting
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RM-781
System Module
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Page 5 – 4
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2011 Nokia. All rights reserved.
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Chapters
Section 1
15
Section 2
23
Section 3
35
Section 4
83
Section 5
111
Troubleshooting Guide
129
Table of Contents
Troubleshooting
Power and charging troubleshooting
39
Dynamo charging troubleshooting
41
Power key troubleshooting
42
General voltage checking troubleshooting
43
Charging troubleshooting
46
USB charging troubleshooting
47
Battery current measuring fault troubleshooting
48
Interface troubleshooting
49
MicroSD card troubleshooting
51
USB troubleshooting
52
USB charging troubleshooting
54
User interface troubleshooting
55
Keyboard LEDs troubleshooting
56
Proximity sensor troubleshooting
57
Resistive touch screen troubleshooting
59
Display module troubleshooting
62
Display fault troubleshooting
64
Display backlight troubleshooting
65
Camera troubleshooting
66
Camera troubleshooting
67
Camera baseband troubleshooting
68
Camera no recognizable viewfinder image troubleshooting
69
Camera bad image quality troubleshooting
70
Audio troubleshooting
71
Internal earpiece troubleshooting
73
Internal microphone troubleshooting
74
Internal handsfree (IHF) troubleshooting
75
Earpiece troubleshooting
76
IHF troubleshooting
77
Microphone troubleshooting
78
Vibra troubleshooting
79
General instructions for cellular RF troubleshooting
85
Cellular RF main troubleshooting
86
Self test troubleshooting
89
RF-BB interface self test troubleshooting
91
RF supply self test troubleshooting
92
Troubleshooting with Testing And Tuning Tool
98
Antenna overview
107
Troubleshooting Guide
131
Troubleshooting
134
Bluetooth Troubleshooting
135
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