LG KE990 - LG Viewty Cell Phone 100 MB Support and Manuals
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Most Recent LG KE990 Questions
How Open The Lg Ke990
(Posted by louSuoni 9 years ago)
Lg Ke990 When Charging Show Insert Battery
(Posted by shirinan 9 years ago)
Haw Do I Set My Phone To Start Dawnloding Applications
phone model;lg ke990,it`s not dawnloding e,g facebook
phone model;lg ke990,it`s not dawnloding e,g facebook
(Posted by naftalmaxwel 11 years ago)
Pairing Computer To Cell Phone
having trouble pairing my computer to my phone I have an LG cosmo 2
having trouble pairing my computer to my phone I have an LG cosmo 2
(Posted by hmgauss1 11 years ago)
Problem On Jar Files Bigger Than 3m
It can do jar files bigger than 3mb !! in is very sadly that u can not execute your java files on LG...
It can do jar files bigger than 3mb !! in is very sadly that u can not execute your java files on LG...
(Posted by vahidghasemi11 11 years ago)
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Popular LG KE990 Manual Pages
Service Manual - Page 5
...parts in this manual are used. • When returning system boards or parts ...service purposes All right reserved. 1. Copyright © 2008 LG Electronics. Pictures
The pictures in these protective packages until these agencies, you may cause problems.
H. Interference and Attenuation
A phone may look slightly different. Inc. INTRODUCTION
E. Notice of Radiated Emissions
This model...
Service Manual - Page 6
...Only for training and service purposes
-7- 2. All right reserved. LGE Internal Use Only PERFORMANCE
2.1 Supporting Standard
Item Supporting Standard
Frequency Range
Application Standard
Feature
GSM900/...: 1930 - 1990 MHz
WAP 2.0, JAVA 2.0
2.2 Main Parts : GSM Solution
Item Digital Baseband Analog Baseband
RF Chip
Part Name Neptune (D761811BZVL): TI Triton (TWL3029): TI RTR6235 : Qualcomm
...
Service Manual - Page 14
... 2008 LG Electronics.... radio Module 5. RTR6235 for training and service purposes
- 15 - Bluetooth RF Module
... & DC Corr ection
F ref PLL # 2
VCO
Phone VCTCXO
PM6635-3P
Input Power Management
Voltage R egulat ors
...Block diagram of RF part
A generic, high-level functional block diagram of KE990/KE990c is shown in ... Description
The KE990/KE990c supports EGSM-900, DCS-1800, and PCS-1900 based ...
Service Manual - Page 15
...support IC and higher-level handset functions.
Only for further signal processing. Inc. 3. The GSM/EDGE transmit path employs one stage of Polar power
amplifier from a DAC within the ESM KE990/KE990c power supply voltages are monitored to a constant envelope phase signal at RF; 2. The on -chip voltage sources, charging... Copyright © 2008 LG Electronics. PSK modulated
signal...
Service Manual - Page 16
...The Dual-mode KE990/KE990c's receiver ...PCS-1900 modes both use differential configurations to separate Rx and Tx signals in AMSS Software - this is active at a time). RF Front end consists of frequency duplexers - please see applicable AMSS Software documentation for training and service...DCS-1800 and PCS-1900).
LGE ...Application Programming Interface (API) is critical and must be...
Service Manual - Page 22
... control for training and service purposes
- 23 - Vibration motor driver programmable from 8 internal and up and synchronize, deglitch, and buffer the TCXO signal - Supports the ESM device's interrupt processing with programmable gain, turn-on -chip RC assures ESM device sleep clock -
On-chip adjustments minimize crystal oscillator frequency errors - Many functions monitored and...
Service Manual - Page 30
... Only This microprocessor, through the system software, controls most of four Rx timeslots per frame
Copyright © 2008 LG Electronics. All right reserved.
TECHNICAL BRIEF
3.6 Subsystem(ESM6270)
3.6.1 ARM Microprocessor Subsystem
The ESM6270 device uses an embedded ARM926EJ-S microprocessor. Support modes conform to release '99 specifications of the external peripherals such as...
Service Manual - Page 31
... Audio v9, Real Audio 8
(G2) ■ Internal vocoder supporting AMR, FR, EFR, and HR
3.6.6 ESM6270 microprocessor subsystem
■ Industry standard 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...
Service Manual - Page 32
... and compression engines
■ Improve Java, BREW, and game performance ❏ Integrated Java and 2D/3D graphics accelerator with 15 fps capture rate ■ 15 fps QVGA viewfinder
Qtv ■ Audio and video decoder that supports VOD, MOD and Broadcast multimedia services. ■ Audio Codecs supported: AMR-NB, AAC, AAC Plus, Enhanced AAC Plus...
Service Manual - Page 35
...support the desired functionality.
3.6.12 ARM Microprocessor subsystem
The ESM6270 device uses an embedded ARM926EJ-S microprocessor.
Inc. This microprocessor, through the system software, controls most of the mode inputs are designed to the ESM6270 device determine the overall operating mode of the second stage set... and service purposes
... 2008 LG Electronics. The CODEC supports two ...
Service Manual - Page 61
...) • Key exchange support • True RNG (Random Number Generator)
3.10.4 3D Graphics
• 3D hardware + software accelerator targeting VGA 30 fps games with PlayStation™-1 enhanced ... ARGB support - Fog - Only for training and service purposes Bayer Grid - Edge enhancement and auto focus. Copyright © 2008 LG Electronics. Black-level evaluation and correction - 3. Setup and ...
Service Manual - Page 104
YES
END
Copyright © 2008 LG Electronics. Inc. LGE Internal Use Only
TROUBLE SHOOTING
4.11 Audio trouble
4.11.1 Receiver path
Voice Receiver path as below: ESM6270 Ear1ON/Ear1OP → CN701(Touch FPCB connector) → Receiver
Start
Conne ct th e phone to n etw ork Equipm ent a nd setup c all Setup 1KHz tone out
Hear the tone to the...
Service Manual - Page 106
...LG Electronics. NO Change th e Main board
YES
The sine wave appear at
NO
Check t he U504
R525,R524 ?
YES END
NO Check t he U502
C578,C562 ? 4. TROUBLE SHOOTING
4.11.2 Voice path for headset
Voice path for training and service... headset Jack
Start
Connect the phone to network Equipment a nd setup c all Setup 1KHz tone out And inse rt head_ Set
Headse t insertion detec tion NO...
Service Manual - Page 110
... © 2008 LG Electronics. YES NO
Can you hea r th e ton e? Only for training and service purposes
- 111 - 4. All right reserved.
TROUBLE SHOOTING
4.11.3 Loud speaker path (voice speaker phone)
Loud speaker path... → Speaker
Start
Conne ct th e phone to netw ork Equipm ent a nd setup call Setup 1KHz tone out Set phon e with sp eaker phone mode
The sine wave appear at
NO
Check ...
Service Manual - Page 115
...
→ U502(audio codec) → ESM6270.
Inc.
Copyright © 2008 LG Electronics. TROUBLE SHOOTING
4.11.4 Microphone for headset
MIC for training and service purposes R528 100K
CN500
21 19
1 2 3 4 5 6 7 8 9...
[CN500(headset connector)]
[audio codec]
MIC2P
Start
Make a call
Try change the h ead set NO
EAR_SENSE_N is 0V? YES
make some sound or voice to MIC
YES NO NO
END Chang ...
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