LG KF600d Manuale utente
Date: February, 2008 / Issue 1.0
Service Manual Model : KF600d
Service Manual
KF600d
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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* The information in this manual is subject to change without notice and should not be construed as a
commitment by LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make changes to
equipment design as advances in engineering and manufacturing methods warrant.
* This manual provides the information necessary to install, program, operate and maintain the KF600.
REVISED HISTORY
Editor Date Issue Contents of Changes S/W Version
D.H.AHN 12/24 0.1
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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 ...............................7
1.1 Purpose .................................................. 7
1.2 Regulatory Information............................ 7
1.3 ABBREVIATION ..................................... 9
2. PERFORMANCE .............................11
2.1 H/W Features.........................................11
2.2 Technical specification...........................12
3. TECHNICAL BRIEF ........................19
3.1 KF600 Functional Block diagram.... .......19
3.2 Baseband Processor (BBP)
Introduction ............................................20
3.3 Power management IC ..........................32
3.4 Power ON/OFF ......................................37
3.5 SIM & uSD interface ..............................38
3.6 Memory ..................................................40
3.7 LCD Display ...........................................41
3.8 Keypad Switching & Scanning ...............43
3.9 Keypad back-light illumination ...............44
3.10 LCD back-light illumination ..................45
3.11 Battery current consumption monitor ...46
3.12 JTAG & ETM interface connector ........46
3.13 ISP(Image Signal Processor)...............47
3.14 Audio....................................................48
3.15 Multi port switch ...................................51
3.16 charging circuit .....................................52
3.17 FM radio & BLUETOOTH ....................53
3.18 18pin Multi Media Interface connector .56
3.19 Touchpad Interface ..............................58
3.20 General Description .............................59
3.21 Receiver part........................................61
3.22 Transmitter part....................................62
3.23 RF synthesizer .....................................63
3.24 VCTCXO ..............................................63
3.25 Front End Module control.....................64
3.26 Power Amplifier Module .......................65
3.27 Mode Selection ....................................66
3.28 PAM Schematic ...................................66
4. PCB layout......................................67
4.1 Main & Sub PCB component
placement ..............................................67
5. Trouble shooting............................71
5.1 Trouble shooting test setup....................71
5.2 Power on Trouble...................................72
5.3 Charging trouble ....................................75
5.4 LCD display trouble................................77
5.5 Camera Trouble .....................................79
5.6 Receiver & Speaker trouble ...................81
5.7 Microphone trouble ................................83
5.8 Vibrator trouble ......................................84
5.9 Keypad back light trouble.......................86
5.10 SIM & uSD trouble ...............................88
5.11 Touch pad trouble ................................91
5.12 Trouble Shooting of Receiver Part.......92
5.13 Trouble Shooting of Transmitter Part...98
6. Download & S/W upgrade...............107
6.1 S/W download setup ............................107
6.2 Download program user guide.............108
7. CIRCUIT DIAGRAM.......................111
8. BGM PIN MAP...............................117
9. PCB LAYOUT................................123
10. RF Calibration ............................129
10.1 Test Equipment Setup .......................129
10.2 Calibration Step .................................129
11. Stand-alone Test ........................135
11.1 Test Program Setting .........................157
11.3 Rx Test...............................................159
12. ENGINEERING MODE ................139
13. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 141
13.1 Exploded View .................................. 141
13.2 Replacement Parts ............................143
13.3 Accessory ......................................... 165
Table Of Contents
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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 KF600.
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 KF600 or compatibility with the network,
the telephone company is required to give advanced written notice to the user, allowing the user to take
appropriate steps to maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on the KF600 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 unauthorized alternations or repair may affect the regulatory status of the system
and may void any remaining warranty.
1. INTRODUCTION
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 8 -
1. INTRODUCTION
E. Notice of Radiated Emissions
The KF600 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 following 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 KF600 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 using a 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.
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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1. INTRODUCTION
1.3. ABBREVIATION
For the purposes of this manual, following abbreviations apply:
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
APC Automatic Power Control
BB Baseband
BER Bit Error Ratio
CC-CV Constant Current - Constant Voltage
CLA Cigar Lighter Adapter
DAC Digital to Analog Converter
DCS Digital Communication System
dBm dB relative to 1 milli-watt
DSP Digital Signal Processing
EEPROM Electrical Erasable Programmable Read-Only Memory
EGPRS Enhanced General Packet Radio Service
EL Electroluminescence
ESD Electrostatic Discharge
FPCB Flexible Printed Circuit Board
GMSK Gaussian Minimum Shift Keying
GPIB General Purpose Interface Bus
GPRS General Packet Radio Service
GSM Global System for Mobile Communications
IPUI International Portable User Identity
IF Intermediate Frequency
LCD Liquid Crystal Display
LDO Low Drop Output
LED Light Emitting Diode
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1. INTRODUCTION
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LGE LG Electronics
OPLL Offset Phase Locked Loop
PAM Power Amplifier Module
PCB Printed Circuit Board
PGA Programmable Gain Amplifier
PLL Phase Locked Loop
PSTN Public Switched Telephone Network
RF Radio Frequency
RLR Receiving Loudness Rating
RMS Root Mean Square
RTC Real Time Clock
SAW Surface Acoustic Wave
SIM Subscriber Identity Module
SLR Sending Loudness Rating
SRAM Static Random Access Memory
STMR Side Tone Masking Rating
TA Travel Adapter
TDD Time Division Duplex
TDMA Time Division Multiple Access
UART Universal Asynchronous Receiver/Transmitter
VCO Voltage Controlled Oscillator
VCTCXO Voltage Control Temperature Compensated Crystal Oscillator
WAP Wireless Application Protocol
8PSK 8 Phase Shift Keying
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2. GENERAL PERFORMANCE
2.1. H/W Feature
2. GENERAL PERFORMANCE
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Item Feature Comment
Standard Battery Li-ion, 800mAh
AVG TCVR Current 270mA typ @PL5
Standby Current 2.3 mA typ @PP9
Talk time 3 hours (GSM TX Level 7)
Standby time Over 250 hours (Paging Period:9, RSSI: -85dBm)
Charging time Under 3 hours
RX Sensitivity EGSM: -105dBm↓, DCS/PCS: -105dBm↓
TX output power EGSM: 33dBm (@PL 5)
DCS/PCS: 30/29dBm (@PL 0)
GPRS compatibility Class 10
SIM card type 3V Small
Display Main 240 x 320 pixels, 2” ± QVGA, 265K color,
SUB 1.49” ± 240x176 TFT
Navi, Send, Call End, Back and etc. Key are
Status Indicator
implemented by touchpad.
CLEAR, SEND, END/PWR, MP3, AF/Camera double
action, Volume Up, Volume Down, Lock
ANT Built in antenna
EAR Phone Jack 18pin multi port Headset jack
PC Synchronization Yes
Speech coding HR/EFR/FR/AMR
Data and Fax Yes
Vibrator Yes
Buzzer No
Voice Recoding Yes
C-Mic Yes
Receiver Yes
Travel Adapter Yes
Options Bluetooth hands-free kit, Data Kit
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