Home
LG
Cell Phone
lg-d821
LG lg-d821 User Manual
5
of 1
of 1 rating
281 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
3.
TROUBLE
SHO
O
TING
- 129
-
Copy
right ©
2013 L
G Electro
nics.
Inc. A
ll righ
t rese
rved.
Only f
or tr
aining
and service
purposes
L
GE Int
ernal U
se Only
3.7.
2
WIFI
/B
T S
igna
l P
ath_T
x / Rx
T
x Pat
h
Rx P
ath
BO
T
U1300
0
U13001
U13002
FL13001
2.4G
5G
FL13000
ANT
X13000
128
130
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
3
Purpose
3
Regulatory Information
3
2 Performance
5
Product Name
5
Supporting Standard
5
Main Parts & Solution
6
HW Features
6
SW Features
9
Hw Spec
12
LG-D821 Figures
29
3 Trouble Shooting
30
RF Component
30
Signal Path
33
Checking XO Block
37
Checking RF Front-End Separator
40
Checking RF Block
43
Checking Rf Tx Level
44
GPS Trouble Shooting
122
WIFI/BT Trouble Shooting
128
Audio Troubleshooting
133
Speaker Module
134
Receiver Troubleshooting
136
Camera
150
Main LCD Trouble
156
Touch Trouble Shooting
160
Vibrator Troubleshooting
162
Gyro/Accel Sensor Troubleshooting
165
Compass Sensor Troubleshooting
167
Barometer Sensor Troubleshooting (Pressure Sensor )
169
Proximity Sensor On/Off Troubleshooting
171
Light Sensor On/Off Trouble
173
Nfc
175
Power on Troubleshooting
178
Wireless Charging Troubleshooting
182
USB Trouble Shooting
185
HDMI Troubleshooting
188
4 Download
192
5 Block Diagram
209
6 Circuit Diagram
223
Fuel Gauge
230
Volume Key
233
Power Key
233
Wireless Charging
237
7 Bga Pin Map
238
8 Pcb Layout
246
9 Calibration
252
10 Disassemble Guide
271
11 Exploded View & Replacement Part List
281
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the LG lg-d821 and is the answer not in the manual?
Ask a question
LG lg-d821 Specifications
General
Brand
LG
Model
lg-d821
Category
Cell Phone
Language
English
Related product manuals
LG LG-D855
118 pages
LG LG-D850
135 pages
LG G3 LG-D855
122 pages
LG G3 LG-D852
285 pages
LG LG-D618
103 pages
LG LG-D950
135 pages
LG LG-D690
115 pages
LG LG-D722
196 pages
LG LG-D175F
268 pages
LG LG-D950G
294 pages
LG LG-D290g
98 pages
LG Bello LG-D331TR
234 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
