Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
LG Manuals
Cell Phone
U250
Service manual
Main Microphone - LG U250 Service Manual
Lg cell phone user manual
Hide thumbs
1
Table Of Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
page
of
175
Go
/
175
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
4.19 Main microphone
MIC400 → MIC1P, MIC1N (MSM6245)
Start
Make a call
MIC_BIAS(C416)
is 1.8V
Make sound to MIC
Sine wave appears at
C418/C419?
Change the Main board
NO
YES
NO
YES
NO
- 113 -
4. TROUBLE SHOOTING
Change main board
Change the MIC
Work well?
YES
END
Table of
Contents
Previous
Page
Next
Page
1
...
111
112
113
114
Advertisement
Table of Contents
Troubleshooting
TROUBLE SHOOTING
72
Power ON Troubleshooting
93
Charger Troubleshooting
95
USB Troubleshooting
98
SIM Detect Troubleshooting
99
Camera Troubleshooting
101
Keypad Backlight Troubleshooting
104
Main LCD Troubleshooting
105
Troubleshooting Download Errors
128
Related Manuals for LG U250
Cell Phone LG KU250 User Manual
(297 pages)
Cell Phone LG F3000 Brochure
Multimedia 5m phone (8 pages)
Cell Phone LG UX210 User Manual
Lg ux210: user guide (97 pages)
Cell Phone LG UX210 Manual Del Usuario
Teléfono (97 pages)
Cell Phone LG UX145 Manual Del Usuario
Teléfono (102 pages)
Cell Phone LG UX355 Quick Start Manual
Bluetooth pairing, sending a vcard, taking a picture, recording a video, using voice commands (9 pages)
Cell Phone LG US740 Manual
Android 2.1, customizable home screens, tempered glass touchscreen, google maps™ navigation (82 pages)
Cell Phone LG LGUN430 Owner's Manual
Large, easy-to-read screens; scalable font size; loud speakerphone (245 pages)
Cell Phone LG UN430 Blue Quick Start Manual
Quick start guide - english (8 pages)
Cell Phone LG Freedom UN272 Guía Del Usuario
Lg freedom lets you take your favorite features with you anywhere. it’s slim and stylish, with a friendly keyboard and big, bright screen. and best of all, practical enough to fit your life. (191 pages)
Cell Phone LG Splendor US730 Owner's Manual
4.3" display, 1 ghz cpu, true-to-life 720p hd video recording (200 pages)
Cell Phone LG UX830 User Manual
Lg ux830: user guide (247 pages)
Cell Phone LG U8290 Service Manual
(231 pages)
Cell Phone LG U8110 Service Manual
(270 pages)
Cell Phone LG U8110 User Manual
(241 pages)
Cell Phone LG US990 User Manual
(192 pages)
Related Content for LG U250
InTouch Lady Main Microphone
LG InTouch Lady
L705ix Main Microphone
LG L705ix
KB770 Main Microphone
LG KB770
TracFone LG840G Main Microphone
LG TracFone LG840G
CU920 Main Microphone
LG CU920
LG-E615 Main Microphone
LG LG-E615
LG-E510 Main Microphone
LG LG-E510
LG-E405 Main Microphone
LG LG-E405
L704I Main Microphone
LG L704I
KG920 Main Microphone
LG KG920
LG-E400 Main Microphone
LG LG-E400
lg530g Main Microphone
LG lg530g
CU575 Main Microphone
LG CU575
CU720 Main Microphone
LG CU720
U370 Main Microphone
LG U370
GU280 Main Microphone
LG GU280
This manual is also suitable for:
Ku250
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL