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
Headset 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
4.20 Headset microphone
Headset → C210/C211 → MIC2P, MIC2N (MSM6245)
Change the headset and retry
Change the Main board
Start
Make a call
NO
HOOK_KEY is detected?
Yes
MICBIAS is biased
by 1.8V?
Yes
Sine wave appears at
C210/C211 ?
Yes
- 115 -
4. TROUBLE SHOOTING
OK
END
YES
NO
Change the MAIN board
NO
Change the MAIN board
NO
Change the headset or
Main board and retry.
Table of
Contents
Previous
Page
Next
Page
1
...
113
114
115
116
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
G3 Dual-LTE Stereo Headset With Microphone
LG G3 Dual-LTE
LG-D858HK Stereo Headset With Microphone
LG LG-D858HK
LG-D855P Stereo Headset With Microphone
LG LG-D855P
InTouch Lady Headset Microphone
LG InTouch Lady
LGD802TR Stereo Headset With Microphone
LG LGD802TR
LG-D958 G-Flex D958 Stereo Headset With Microphone
LG LG-D958 G-Flex D958
LG-H340Y Stereo Headset With Microphone
LG LG-H340Y
LG-H340F Stereo Headset With Microphone
LG LG-H340F
LG-H326g Stereo Headset With Microphone
LG LG-H326g
LG-H222g Stereo Headset With Microphone
LG LG-H222g
F320 Stereo Headset With Microphone
LG F320
LG-D855K Stereo Headset With Microphone
LG LG-D855K
L705ix Headset Microphone
LG L705ix
G3 Stereo Headset With Microphone
LG G3
KB770 Headset Microphone
LG KB770
TracFone LG840G Headset Microphone
LG TracFone LG840G
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