LG KE590 User manual

Date: November, 2007 / Issue 1.0
Service Manual Model : KE590
Service Manual
KE590

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1. Introduction ..................................... 5
2. Performance .................................... 6
2.1 Product Name ......................................... 6
2.2 Supporting Standard................................6
2.3 Main Parts : GSM Solution...................... 6
2.4 HW Feature..............................................7
2.6 Technical Specification ..........................12
3. Circuit Description........................ 17
3.1 General Description .............................. 17
3.2 RF Part.................................................. 17
3.3 Digital Baseband....................................24
3.4 Analog Baseband.................................. 32
3.5 Bluetooth Interface................................ 40
4. TROUBLE SHOOTING .................. 43
4.1 RF Part Technical Brief......................... 43
4.2 RF Part Trouble shooting...................... 49
4.3 Bluetooth Trouble Shooting .................. 57
4.4 Baseband Part Troubleshooting ........... 61
4.5 LCD Display Trouble............................. 68
4.6 Camera Trouble Shooting..................... 73
4.7 Flash LED Trouble Shooting................. 79
4.8 SIM Detect Trouble Shooting................ 82
4.9 Slide Up/Down and Trouble Shooting... 85
4.10 Speaker/Receiver Trouble Shooting
(Common Path)................................... 87
4.11 Speaker/Receiver Trouble Shooting
(Acoustic Path).................................... 90
4.12 MIC Trouble Shooting ......................... 91
4.13 Ear-Mic Jack Detection
Trouble Shooting................................. 93
4.14 Ear-Mic Hook Detection
Trouble Shooting................................. 94
4.15 Ear-Mic Headset MIC Trouble
Shooting.............................................. 95
4.16 Ear-Mic Headset HSOR/HSOL
Trouble Shooting..................................96
4.17 FM-Radio Trouble Shooting.................98
4.18 Transflash Trouble Shooting................99
4.19 Main Key Backlight LED Trouble
Shooting.............................................101
4.20 Slide Key Backlight LED Trouble
Shooting.............................................103
4.21 Vibrator Trouble Shooting..................104
5. Downloading Software ............... 105
5.1 The purpose of downloading software 105
5.2 The Environment of Downloading
Software.............................................. 105
5.3 Download Procedure ...........................107
6. BLOCK DIAGRAM ....................... 114
7. CIRCUIT DIAGRAM ..................... 117
8. BGA IC Pin Check ....................... 127
8.1 MAIN TRANSCEIVER - B6PLD .........127
8.2 Bluetooth chip _ BRF6150 .................128
9. PCB LAYOUT............................... 129
10. RF Calibration ................................ 139
10.1 What’s the Rx Calibration?.............. 139
10.2 What’s the Tx Calibration? .............. 139
10.3 Calibration program - HOT_KIMCHI 140
11. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 145
11.1 EXPLODED VIEW ............................ 145
11.2 Replacement Parts
<Mechanic component>.................... 147
<Main component> ........................... 150
11.3 Accessory ......................................... 165
Table of Contents
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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1. Introduction
1.1 Purpose
This manual provides the information necessary to repair, calibration, description and download the features of the KE590.
1.2. Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your
company’s employees, agents, subcontractors, or person working on your company’s behalf) can result in substantial
additional charges you’re your telecommunications services. System users are responsible for the security of own system.
There are may be risks of toll fraud associated with your telecommunications system. System users are responsible for
programming and configuring the equipment to prevent unauthorized use. LGE does not warrant that this product is immune
from the above case but will prevent unauthorized use of common-carrier telecommunication service of facilities accessed
through or connected to it. LGE will not be responsible for any charges that result from such unauthorized use.
B. Incidence of Harm
If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption
in service to the telephone network, it should disconnect telephone service until repair can be done. A telephone company may
temporarily disconnect service as long as repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or procedure. If these changes could reasonably
be expected to affect the use of the KE820/KG99 or compatibility with the network, the telep hone company is required to give
advanced written notice to the user, allowing the user to take appropriate st eps to maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on the KE590 must be performed only at the LGE or its authorized agents. The user may not make
any changes and/or repairs expect as specifically noted in this manual. Therefore, note that un authorized alternations or
repair may affect the regulatory status of the system and may void any remaining warranty.
E. Notice of Radiated Emissions
The KE590 complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In
accordance with these agencies, you may be required to provide information such as the follo wing to the end user.
F. Pictures
The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.
G. Interference and Attenuation
An KE590 may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from unsuppressed engines
or electric motors may cause problems.
H. Electrostatic Sensitive Devices
ATTENTION
Boards, which contains Electrostatic Sensitive Device(ESD), are indicated by the sign. Following information is ESD handling:
Service personnel should ground themselves by usinga wrist strap when exchange system boards.
When repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded. Use a
suitable, grounded soldering iron. Keep sensitive parts in these protective packages until these are used. When returning
system boards or parts such as EEPROM to the factory, use the protective package as described.
1. Introduction
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. Performance
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2. Performance
2.1 Product Name
KE590 : GPRS Class 10 / EDGE Class 10
2.2 Supporting Standard
2.3 Main Parts : GSM Solution
Item Feature Comment
Supporting Standard EGSM/DCS1800/PCS1900
with seamless handover
Phase 2+(include AMR)
SIM Toolkit : Class 1,2,3,E
Frequency Range EGSM TX : 880 - 915 MHz
EGSM RX : 925 - 960 MHz
DCS1800 TX : 1710 - 1785 MHz
DCS1800 RX : 1805 - 1880 MHz
PCS1900 TX : 1850 - 1910 MHz
PCS1900 RX : 1930 - 1990 MHz
Application Standard WAP 2.0, JAVA 2.0
Item Part Name Comment
Digital Baseband Neptune (D761811BZVL): TI
Analog Baseband Triton (TWL3029): TI
RF Chip B6PLD: RENESAS

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2. Performance
2.4 HW Feature
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Item Feature Comment
Form Factor Slide
1) Capacity
Battery Standard : Li-Polymer, 800mAh
2) Packing Type : Hard Pack
Size Standard :
97.0 X 47.0 X 14.9 mm
Weight 90g With Battery
Volume 75cc
PCB Staggered 10Layers , 0.8t
Stand by time 250 hrs @ Paging Period 5
Charging time 3 hrs @ Power Off / 800mAh
Talk time Min : 3.0 hrs @ Power Level 7 @ EGSM / 800mAh
EGSM : -105 dBm
RX sensitivity DCS 1800 : -105 dBm
PCS 1900 : -105 dBm
GSM/ EGSM : 33 dBm Class4 (EGSM)
GPRS DCS 1800 : 30 dBm Class1 (PCS)
TX output power PCS 1900 : 30 dBm Class1 (DCS)
EGSM : 27 dBm E2 (EGSM)
EDGE DCS 1800 : 26 dBm E2 (PCS)
PCS 1900 : 26 dBm E2 (DCS)
GPRS compatibility GPRS Class 10
EDGE compatibility EDGE Class 10
SIM card type Plug-In SIM
3V /1.8V
Main LCD
Display 262K Color TFT (176 x 220)
Backlight : White LED
Built-in Camera 2M CMOS Camera One button access

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2. Performance
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Item Feature Comment
Status Indicator None
Alphanumeric Key : 12 Function Key:
Function Key : 9 4 Key Navigation, OK, F1,
Side Key : 4 F2, CLR, SND
Keypad Total No of Keys :25 Side Key :
Volume up/down, CAM,
PWR/END
ANT Main : Internal Fixed Type
Bluetooth : Internal Fixed Type
System connector 18 Pin
Ear Phone Jack 18pin, 4 Pole, Stereo
PC synchronization Yes
Memory NAND Flash : 1Gbit
SDRAM : 512Mbit
Speech coding FR, EFR, HR,AMR
Data & Fax Built in Data & Fax support
Vibrator Built in Vibrator
Blue Tooth V2.0, HSP, HFP, OPP, FTP(server),
BPP, A2DP, AVRCP
MIDI (for Buzzer Function) SW Decoded 64Poly
Music Player MP3/ AAC/AAC+ With Graphic EQ
Camcorder MPEG4, H.263, H.264
Voice Recording Yes
Speaker Phone mode Yes
Support
Travel Adapter Yes
CDROM Yes
Stereo Headset Yes Optional
Data Cable Yes Optional
T-Flash (External Memory) Yes Optional

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2. Performance
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Item Feature Comment
RSSI 0 ~ 5 Levels
Battery Charging 0 ~ 4 Levels
Key Volume 0 ~ 5 Level
Audio Volume 1 ~ 5 Level
Time / Date Display Yes NITZ
Multi-Language Yes English / French
Quick Access Mode Phone Book / Message / Camera
/ My Stuff / Favorite
PC Sync Schedule / Phonebook / MEMO /
SMS / Download(Photo, file)
Speed Dial Yes (2~9) Voice mail center -> 1 key
Profile Yes
CLIP / CLIR Yes (different melody)
Phone Book 4 Numbers + 1 Memo + 1 e-mail + Total 1000 Member
Group Select + Picture
Last Dial Number Yes (40)
Last Received Number Yes (40)
Last Missed Number Yes (40)
Search by Number/Name Name only
Group 7Possible Rename
Fixed Dial Number Yes
Service Dial Number Yes
Own Number Yes
Voice Memo Yes
Call Reminder Yes
Network Selection Automatic
Mute Yes
Call Divert Yes
Call Barring Yes
Call Charge (AoC) No No for Cingular

LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. Performance
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Item Feature Comment
Call Duration Yes
SMS (EMS) 100 (10) EMS : Release4
(Except Text align)
SMS Over GPRS Yes
EMS Melody / Picture Yes
Send / Receive / Save
MMS MPEG4 / Send / Yes
Receive / Save
Long Message MAX 925 Characters
Cell Broadcast Yes
Download Over the WAP
Game YES
Calendar Yes
Memo 50
World Clock Yes
Unit Convert Currency/Area/Length/Volume/Weight/
Temperature/Velocity
Tip Calculator No
Wall Paper Yes Default 5ea
WAP Browser Over WAP 2.0 Up Brower Obigo Q-line
Download Melody / Yes Over WAP
Wallpaper
SIM Lock Yes Operator Dependent
SIM Toolkit Class 1, 2, 3, A-E
MMS Yes Openwave MMS Client
EONS Yes
CPHS Yes V4.2
ENS Yes
Camera Yes 2M F/F / Digital Zoom : x4
JAVA Yes CLDC V1.1 / MIDP V2.0
Download Over WAP
Voice Dial No

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2. Performance
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Item Feature Comment
IrDa No
V2.0
Blue tooth Yes HSP, HFP, OPP,
FTP(server),
BPP, A2DP, AVRCP
GPRS Yes Class 10
EDGE Yes Class 10
Hold / Retrieve No
Conference Call Yes Max. 6
DTMF Yes
Memo pad Yes
TTY No
AMR Yes
Sync ML No
IM No
Email No