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Service Manual
Model : KS360
Internal Use Only
Service Manual
KS360
Date: August, 2008 / Issue 1.0
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REVISED HISTORY Editor Date Issue Contents of Changes S/W Version J.P.Kim Jul. 18. 2008 0.1 - * 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 KS360 Series. Copyright © 2008
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LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 4 - Only for training and service purposes
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Table Of Contents 1. INTRODUCTION ...............................7 5. Trouble shooting............................66 1.1 Purpose .................................................. 7 5.1 Trouble shooting test setup....................66 1.2 Regulatory Information............................ 7 5.2 Power on Trouble...................................67 5.3 Charging trouble ....................................70 1.3 ABBREVIATION ..................................... 9 5.4 LCD display trouble.........
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LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 6 - Only for training and service purposes
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1. INTRODUCTION 1. INTRODUCTION 1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features of the KS360 Series. 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 telecommunication
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1. INTRODUCTION E. Notice of Radiated Emissions The KS360 Series 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 KS360 Series may interfere with sensitive labor
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1. INTRODUCTION 1.3 ABBREVIATION For the purposes of this manual, following abbreviations apply: 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 Discha
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1. INTRODUCTION 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 Tim
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2. GENERAL PERFORMANCE 2. GENERAL PERFORMANCE 2.1 H/W Feature Item Feature Comment Standard Battery Li-Polymer, 800mAh AVG TCVR Current 250mA typ @PL5 Standby Current 1.85 mA typ @PP9 Talk time 5.6 hours (GSM TX Level 10) Standby time Over 430 hours (Paging Period:9, RSSI: -85dBm) Charging time Under 3 hours RX Sensitivity EGSM: -105dBm↓, DCS/PCS: -105dBm↓ TX output power EGSM : 32.5dBm (@PL 5) DCS/PCS: 29.5/29.5dBm (@PL 0) GPRS compatibility Class 12 SIM card type 3V Small Display Main 240x320
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2. GENERAL PERFORMANCE 2.2 Technical specification Item Description Specification GSM900 TX: 890 + 0.2 x n MHz RX: 935 + 0.2 x n MHz ( n = 1 ~ 124 ) EGSM TX: 890 + 0.2 x (n-1024) MHz RX: 935 + 0.2 x (n-1024) MHz ( n = 975 ~ 1023 ) 1Frequency Band DCS1800 TX: 1710 + ( n-511 ) x 0.2 MHz (n = 512 ~ 885) RX: TX + 95 MHz PCS1900 TX: 1850.2 + ( n-512 ) x 0.2 MHz (n = 512 ~ 810) RX: TX + 80MHz RMS < 5 degrees 2 Phase Error Peak < 20 degrees 3 Frequency Error < 0.1ppm GSM900/EGSM Level Power Toler. Leve
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2. GENERAL PERFORMANCE Item Description Specification GSM900/EGSM Offset from Carrier (kHz). Max. dBc 100 +0.5 200 -30 250 -33 400 -60 600 ~ 1,200 -60 1,200 ~ 1,800 -60 1,800 ~ 3,000 -63 3,000 ~ 6,000 -65 Output RF Spectrum 6,000 -71 5 (due to modulation) DCS1800/PCS1900 Offset from Carrier (kHz). Max. dBc 100 +0.5 200 -30 250 -33 400 -60 600 ~ 1,200 -60 1,200 ~ 1,800 -60 1,800 ~ 3,000 -65 3,000 ~ 6,000 -65 6,000 -73 GSM900/EGSM Offset from Carrier (kHz) Max. (dBm) Output RF Spectrum 400 -19 6 (
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2. GENERAL PERFORMANCE Item Description Specification DCS1800/PCS1900 Offset from Carrier (kHz). Max. (dBm) Output RF Spectrum 400 -22 6 (due to switching transient) 600 -24 1,200 -24 1,800 -27 7 Spurious Emissions Conduction, Emission Status EGSM BER (Class II) < 2.439% @-102dBm 8 Bit Error Ratio DCS1800/PCS1900 BER (Class II) < 2.439% @-100dBm 9 Rx Level Report accuracy 10 SLR 8 3 dB Frequency (Hz) Max.(dB) Min.(dB) 100 -12 - 200 0 - 300 0 -12 11 Sending Response 1,000 0 -6 2,000 4 -6 3,000 4
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2. GENERAL PERFORMANCE Item Description Specification 14 STMR 13 5 dB 15 Stability Margin > 6 dB dB to ARL (dB) Level Ratio (dB) -35 17.5 -30 22.5 -20 30.7 16 Distortion -10 33.3 0 33.7 7 31.7 10 25.5 17 Side Tone Distortion Three stage distortion < 10% System frequency 18 2.5ppm (26 MHz) tolerance 19 32.768KHz tolerance 30ppm Standby 20 Power consumption - Normal 2 mA(@PP9) EGSM/Lvl 7 (Battery Capacity 800mA):180 min 21 Talk Time EGSM/Lvl12(Battery Capacity 800 mA):320min Under conditions, at
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2. GENERAL PERFORMANCE Item Description Specification Battery Bar Number Voltage( 0.05V) 3 3.74V ~ 4.2V 26 Battery Indicator 2 3.64V~3.73V 1 3.45V ~ 3.63V 0 3.35V ~ 3.44V 3.45V ↓ 0.05V (Call) 27 Low Voltage Warning 3.45V ↓ 0.05V (Standby) 28 Forced shut down Voltage 3.35 0.05 V Li-ion Battery or Li-Polymer Battery Standard Voltage = 3.7 V 29 Battery Type Battery full charge voltage = 4.2 V Capacity: 800mAh Switching-mode charger 31 Travel Charger Input: 100 ~ 240 V, 50/60Hz Out put: 5.6V, 0.4A L
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2. GENERAL PERFORMANCE * EDGE RF Specification (Option: is not serviced for “EDGE mode”) Item Description Specification 1 RMS EVM 9% 2 Peak EVM 30% th 395 Percentile EVM 15% 4Origin Offset Suppression ≥ 30dB GSM900/EGSM Level Power Toler. Level Power Toler. 5 27dBm 3dB 13 17dBm 3dB 6 27dBm 3dB 14 15dBm 3dB 7 27dBm 3dB 15 13dBm 3dB 8 27dBm 3dB 16 11dBm 5dB 9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 5 Power Level 12 19dBm 3dB DCS1800, PCS1900 Level Power Toler. Level
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2. GENERAL PERFORMANCE Item Description Specification 6 Output RF Spectrum DCS1800, PCS1900 (due to modulation) Offset from carrier(kHz) Max. dBc 100 +0.5 200 -30 250 -33 400 -54 600 ~ <1,200 -60 1,200 ~ <1,800 -60 1,800 ~ <3,000 -63 3,000 ~ <6,000 -65 6,000 -71 7 Output RF Spectrum GSM900/EGSM (due to switching transient) Offset from carrier(kHz) Max. dBm 400 -23 600 -26 1,200 -27 1,800 --30 DCS1800, PCS1900 Offset from carrier(kHz) Max. dBm 400 -23 600 -26 1,200 -27 1,800 -30 LGE Internal Use
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3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 KS360 series Component Block diagram Figure 1. KS360 series Functional Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes
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3. TECHNICAL BRIEF 3.2 Baseband Processor (BBP) Introduction S-GOLDradio Baseband R GS IS / IR-Memory Cipher AD FIR DC Offset DigR TEAKLit Æ LPF Comp AD FIR DAC Speech X and Equalize U M Sigma-Delta DAC Decodin GMSK MASH 8PSK Modulato DigR - Speech + AD AD and Encodin L Ramp 3-wire Gen Ctrl RF GS USB FS DCXO Contro Timer DA SRAM FCDP SCCU EBU Keypad DMAC CGU ICU GEA-1/2/3 PA/FE LDO Contro AUX GPIO CAPCOM ADC Power GPT IC USI S LED PL RF GP VI ARMÆ 926 (BL PWMís LD LD LD LD Hands- RTC JTAG fre
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3. TECHNICAL BRIEF 3.2.2 Block Description • Processing core ARM926EJ-S 32 bit processor core for controller functions. The ARM926EJ-S includes an MMU, and the Jazelle Java extension for Java acceleration. - TEAKLite DSP core • ARM-Memory - 32k Byte Boot ROM on the AHB - 96k Byte SRAM on the AHB, flexibly usable as program or data RAM - 16k Byte Cache for Program (internal) - 8k Byte tightly coupled memory for Program(internal) - 8k Byte Cache for Data(internal) - 8k Byte tightly coupled memory
