LG KU250 Support and Manuals
Get Help and Manuals for this LG item
Most Recent LG KU250 Questions
When I Send 3gp And Mp4 Videos To It By Usb Or Bluetooth
it says not supported and 3gp is the original video type for it
it says not supported and 3gp is the original video type for it
(Posted by mizosherry3 2 years ago)
What Does The Mean On Or Off Key On My Lg440g Tracfone?
(Posted by lkissling 11 years ago)
LG KU250 Videos
LG ku250 microbox direct unlock with Micro-Box - www.micro-box.com
Duration: :54
Total Views: 247
Duration: :54
Total Views: 247
LG KU250 YOIGO
Duration: 1:21
Total Views: 2,498
Duration: 1:21
Total Views: 2,498
Crystal Clear Hard Case for LG KU250
Duration: :28
Total Views: 362
Duration: :28
Total Views: 362
LG KU250 unlocking with v4mpire unlocker..
Duration: :49
Total Views: 8,612
Duration: :49
Total Views: 8,612
Popular LG KU250 Manual Pages
Service Manual - Page 2
... 106
4.16 Receiver Path 107 4.17 Headset path 109 4.18 Speaker phone path 111 4.19 Main microphone 113 4.20 Headset microphone 115 4.21 Vibrator 117
5. DOWNLOAD 119
5.1 U250/KU250 DOWNLOAD 119 5.1.1 Introduction 119 5.1.2 Downloading Procedure 119 5.1.3 Troubleshooting Download Errors 129 5.1.4 Caution 133
6. BLOCK DIAGRAM 134
6.1 GSM & UMTS RF Block 134 6.2 Interface Diagram...
Service Manual - Page 4
... could reasonably be performed only by an unauthorized part (for example, persons other than your company's employees, agents, subcontractors, or person working on the phones must be expected to affect the use . Therefore, note that resultfrom such unauthorized use of commoncarrier telecommunication service of this manual. System users are responsible for programming and configuring...
Service Manual - Page 5
... returning system boards or parts like EEPROM to the factory, use the protective package as
described.
-6- Interference and Attenuation
A phone may look slightly different. In accordance with sensitive laboratory equipment, medical equipment, etc. Notice of Radiated Emissions
This model complies with anti-static mat which is ESD handling:
sign.
• Service personnel should spread...
Service Manual - Page 16
..., directly converting signals between RF and baseband. TECHNICAL BRIEF
3.1 General Description
The U250/KU250 supports UMTS-2100, GSM-900, DCS-1800, and PCS-1900 based GSM/GPRS/UMTS. Bluetooth RF module 4. RTR6275 for power
management
[Fig 1.1] Block diagram of RF part
1 QUALCOMM's branded chipset that translates the GMSK-modulated signal to -IF upconversion followed...
Service Manual - Page 27
... can be configured as keypad backlight, LCD backlight, camera flash, and general-purpose drivers - differential operation (drives external 8 Ω speakers with an internal interrupt manager - Many functions monitored and reported through real-time and interrupt status signals - Default functions support the RUIM level translators, power-on sequencing, including the MSM device's reset...
Service Manual - Page 37
TECHNICAL BRIEF
3.8.3. CS 1-4, MCS 1-9 ■ Uplink coding schemes - 3. GSM features
The following GSM modes and data rates are supported.
3.8.4. GPRS features
■ Packet switched data (GPRS) ❏ DTM (Simple Class A) operation ❏ Multi-slot class 12 data services ❏ CS schemes: CS1, CS2, CS3, and CS4 ❏ GEA1, GEA2, and GEA3 ciphering
■ Maximum...
Service Manual - Page 38
... ARM926EJ-S embedded microprocessor subsystem ❏ 16 kB instruction and 16 kB data cache ❏ Instruction set compatible with ARM7TDMI® ❏ ARM version 5TEJ instructions ❏ Higher performance 5 stage pipeline, Harvard cached architecture ❏ Higher internal CPU clock rate with typical 88 dB dynamic range ❏ Supports sampling rates up to 48 kHz on the...
Service Manual - Page 54
... to Host USB Data- The USB Specification Revision 1.1 defines two speeds of operation, namely low-speed (1.5 Mbps) and full-speed (12 Mbps), both of a peripheral as a peripheral with the definition of which are supported by the MSM6245. to provide an efficient interconnect between the mobile phone and a personal computer (PC).
USB
The MSM6245 device contains...
Service Manual - Page 106
...
Check the analog switch
- 107 -
NO
The sine wave appears at L401, L402? TROUBLE SHOOTING
4.16 Receiver Path
MSM6245 EAR1ON/EAR1OP → R421,R422 → Analog Switch(U401) → Receiver
Start
Connect the phone to network Equipment and setup call Setup 1KHz tone out
Can you hear the tone? NO
The sine wave appears...
Service Manual - Page 108
Setup 1KHz tone out and insert headset. NO
Sine wave appears at R407/R406? 4. Can you hear the tone?
NO Change the Main board
YES YES
END Change the Headset
- 109 - TROUBLE SHOOTING
4.17 Headset path
MSM6245 HPH_R, HPH_L → C402/C401 → R407/R406 → CN401 (MMI Connector)
Start
Connect the phone to network equipment and setup call.
Service Manual - Page 110
...-,SPK_RCV+? YES
The sine wave appears at SPK+, SPK- ?
TROUBLE SHOOTING
4.18 Speaker phone path
MSM6245 LINE_P,LINE_N → R429/R427, C423/C422, R431/R426 → Audio AMP(U402) → Analog Switch(U401) → Speaker
Start
Connect the phone to network equipment and setup call Setup 1KHz tone out
Can you hear the tone? NO...
Service Manual - Page 118
... file.
- 119 - LGMDP supports Windows 2000/XP where the LG (Ver 4.6 or later) USB modem driver is a LGE application that user can monitor it all the time.
➢ Automatically run the LGMDP application. Click on Top Check if LGMDP always appears at the same time.
5.1.2 Downloading Procedure
• Connect the phone to your desktop PC using the USB...
Service Manual - Page 123
...failed, then the NV Data(*.nv2) is not the setting you are downloading for. In this case, choose the desired NV file... installation directory by clicking on the Yes button to start downloading. U250/KU250
U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250
U250/KU250 U250/KU250
• Click on the START button to continue downloading ...
Service Manual - Page 125
... using NV Default image selection.
• Rebooting the handset and re-establishing the connection
U250/KU250
• Erasing the existing directories and files before downloading the selected Media image
- 126 - 5. DOWNLOAD
• Rebooting the handset and re-establishing the connection
U250/KU250
• Restoring NV data which backed up in the Backing up process.
Service Manual - Page 129
... that you have chosen the right image file.
U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250
- 130 - DOWNLOAD
• The below dialog shows parameters of Select Port when phone is booted in the PC. 5. After choosing valid images, then click on the Browse... U250/KU250
• Choose Image file after clicking on the...
LG KU250 Reviews
We have not received any reviews for LG yet.