LG KM330 Service Manual
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LG KM330 Service Manual

LG KM330 Service Manual

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KM330/KM335
Service Manual
LG Electronics
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Summary of Contents for LG KM330

  • Page 1 KM330/KM335 Service Manual LG Electronics...

  • Page 2: Table Of Contents

    V I E W & 4.1 Power On Trouble……………………55 REPLACEMENT PART LIST……..168 4.2 SIM Card Trouble…………………….58 4.3 Vibrator Trouble………………………60 13.1 KM330 Exploded View…..…….168 4.4 Keypad Trouble…......62 13.2 KM335 Exploded View..….…..170 4.5 RTC Trouble………………………….63 13.3 KM330 Replacement Part……….172 4.6 Key Backlight Trouble……………….64 13.4 KM335 Replacement Part……..175...

  • Page 3: Introduction

    1. INTRODUCTION 1.1 Purpose This manual provides information necessary to repair, description and download the features of this model. 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 for your telecommunications services.
  • Page 4 F. Pictures The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different. G. Interference and Attenuation Phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from unsuppressed engines or electric motors may cause problems. H.

  • Page 5: Performance

    LG chemical -LGIP-430A Tocad/ LG chemical Battery (KM335) 1100mAh Li-ion inner pack - LGIP-530A Audio player MP3/AAC/AAC+/WMA FM Receiver (KM330/KM335) Yes , US/Europe band support (87.5~108MHz) AM Receiver (only KM335) Yes, world wide AM band (522 ~ 1710KHz) MPEG4/H.263 Yes (support 3GP)

  • Page 6: S/W Features

    Talk Time 4 hrs 52 min @900mAh @GSM900 PCL 10 TBD 5 hrs 30 min @1100mAh @GSM900 PCL 10 TBD Standby Time KM330: 428 hrs@900mAh @ Paging period 9 TBD KM335: 450 hrs@1100mAh @ Paging period 9 TBD Antenna Embedded type...
  • Page 7 Key Tone Key Tone Volume (7 Level - 0 ~ 6, 0 for Mute) Key tone setting (4 sets: Silent, Click, Keyboard Tone, Melody Tone, English/Russian Human voice) Ring Tone Ring Tone Volume (7 Level - 0 ~ 6, 0 for Mute) Built-in Ring Tone Pattern: 20 Customizable Ring Tone Link: 5 Intelligent Call Alert...
  • Page 8 Home city set Calculator Addition, Subtraction, Multiplication, Division Unit Converter Weight, Length Currency Converter Health BMI, Menstrual Phone Personalization Setting Greeting Text Shortcuts Flight Mode Time and Date Setting Wallpaper Screen Saver Power On Animation Power Off Animation LCD Backlight PLMN/Service Indicator (Display of PLMN Name/Service Provider Name from SIM) Date Time Display Own Number Display...
  • Page 9 Call Cost Last Call Time Total Dialed Call Time Total Received Call Time Last Call Cost Total Cost Max Cost Price Per Unit GPRS Counter Last Sent (unit in Byte) Last Received (unit in Byte) All Sent (unit in Byte) All Received (unit in Byte) Call Management Call Swap...
  • Page 10 Entry : 1000 names (12 fields – Name, Mobile, Home, Company name, Email address, Office number, Fax number, Birthday, Associate Picture, Associate Video, Associate Sound, Caller group) Caller Group-5 caller group- Friends, Family, VIP, Business, Others (6 fields – Name, Ring, Picture, LED pattern, Video, Member list) Own Numbers: User can change the own numbers of handset.
  • Page 11 Hyperlink format element Extended Object Distribution Notice: This mobile doesn’t support Nokia smart message format (including WBMP), only support *.ems format" subject to Nokia smart message license EMS Character Sets Support GSM7 UCS-2 EMS Miscellaneous SMS Concatenation ( 8 Segments for MT/MO) SMS Compression MMS Standard as described in 3GPP TS 23.140 V4.8.0 Extract media from Message...
  • Page 12 Separated Inbox folder for SMS and MMS Separated Outbox folder for SMS and MMS Total 300 SMS in the storage of phone plus SIM including Inbox and Outbox (Phone could supports 260sets SMS including Inbox and Outbox. The maximum SMS stored in SIM are 40sets.
  • Page 13 2-2-4 Multimedia Features Function Target Specification Camera Image size: 320X240, 640X480, 1280X1024, 1600x1200, 2048x1536 Zoom: 1x ~ 4x Image Quality: High, Normal, Low White Balance: Auto, Daylight, Tungsten, Fluorescent, Cloud, Incandescence Shot: Three Shot Sounds EV: -4 ~+4 Screen Mode: Auto, Night Banding: 60Hz/50Hz Effect settings: (Total 14 types)
  • Page 14 Image Format Support JPEG Baseline GIF87a GIF89a WBMP Play Pause Music Player Resume Stop Next Previous Storage Selection: Get list from Phone, Memory card (Only available when external memory card supported) Auto-Generate Playlist Skin: 2 skins Repeat Mode: Off, One Song, All Songs Shuffle Play Background Play Equalizer Setting: 8 sets...
  • Page 15 Rename Delete Video Recorder Delete All Sort: By Name, Type, Time, Size, None Storage Selection: Get list from Phone, Memory card Volume Control: 7 level (0 ~ 6, 0 for Mute) White Balance: Auto, Daylight, Tungsten, Fluorescent, Cloud, Incandescence EV: -4 ~+4 Night Mode: On/Off Banding: 60Hz/50Hz...
  • Page 16 Storage Selection: Phone, Memory card (Only available when external memory card supported) Encode Format: WAV, AMR Sound Recorder Record Pause Resume Recording Stop Edit Play Melody Compose Save Instrument Selection: 10 types Piano, Guitar, Violin, Saxophone, Steel Drums, Flute, Harmonica, Trumpet, Music Box, Xylophone Play Speed: Fast, Normal, Slow [Notice] Melody composer only support one instrument in one imelody file, so the last chosen...
  • Page 17 2-2-5 Connectivity Features Function Target Specification WAP 2.0 Spec. WAP Push OTA/Message WAP Provisioning Service CSD/GPRS data connection Bookmark Wireless Telephony Application (WTA) support: Only Public WTA support, supported functions listing below - * Make a telephone call * Send a string of DTMF tones over an established voice connection * Add an entry to the telephone book of the device Support OTA push and push message OTA Provisioning &...

  • Page 18: Technical Brief

    3. TECHNICAL BRIEF 3.1 Digital Main Processor Figure.3-1-1 MT6229 FUNCTIONAL BLOCK DIAGRAM -18-...

  • Page 19: Mt6229 )

    3.1.1 System Overview MT6229 is a feature-rich and extremely powerful single-chip solution for high-end mobile phones with GSM/GPRS and EDGE capability. Based on 32 bit ARM7EJ-STM RISC processor, MT6229’s superb processing power along with high bandwidth architecture and dedicated hardware support provides an unprecedented platform for high performance EGPRS Class 12 MODEM and leading-edge multimedia applications.
  • Page 20 Connectivity, and Storage In order to take advantage of its incredible multimedia strengths, MT6229 incorporates myriads of advanced connectivity and storage options for data storage and communication. MT6229 supports UART, Fast IrDA, USB 1.1 Full Speed OTG, SDIO, Bluetooth and WIFI Interface, and MMC/SD/MS/MS Pro storage systems.
  • Page 21 3.1.2 Platform Features General 　 Integrated voice-band, audio-band and base-band analog front ends TFBGA 13mm×13mm, 313-ball, 0.65 mm pitch package 　 MCU Subsystem ARM7EJ-S 32-bit RISC processor 　 High performance multi-layer AMBA bus 　 Java hardware acceleration for fast Java-based games and applets 　...
  • Page 22 Connectivity 3 UARTs with hardware flow control and speed up to 921600 bps IrDA 　 modulator/demodulator with hardware framer. Supports SIR/MIR/FIR operating speeds. Full-speed USB 1.1 OTG capability. Supports device mode, limited host mode, and dual-role OTG mode,Multi Media Card/Secure Digital Memory Card/Memory Stick/Memory Stick Pro host controller with flexible I/O voltage power Supports SDIO interface for SDIO peripherals as well as WIFI connectivity DAI/PCM and I2S interface for Audio application Power Management...
  • Page 23 Voice and Modem CODEC Dial tone generation 　 Voice Memo 　 Noise Reduction 　 Echo Suppression 　 Advanced Sidetone Oscillation Reduction 　 Digital sidetone generator with programmable gain 　 Two programmable acoustic compensation filters 　 GSM/GPRS quad vocoders for adaptive multirate (AMR), enhanced full rate (EFR), full rate 　...
  • Page 24 Image Signal Processor 8/10 bit Bayer format image input 　 YUV422/YCbCr422/RGB565 image input 　 Capable of processing image of size up to 3M pixels 　 Color Correction Matrix 　 Gamma Correction 　 Automatic Exposure Control 　 Automatic White Balance Control 　...
  • Page 25 　 Pixel processing: hue/saturation/intensity/color adjustment, Gamma correction and grayscale/invert/sepia-tone effects 　Programmable Spatial Filtering: Linear filter, Non-linear filter and Multi-pass artistic effects 　Hardware accelerated image editing 　Photo frame capability 　RGB thumbnail data output MPEG-4/H.263 CODEC Hardware Video CODEC 　 ISO/IEC 14496-2 simple profile: decode @ level 0/1/2/3 encode @ level 0 　...
  • Page 26 Audio CODEC Support HE-AAC decode 　 Wavetable synthesis with up to 64 tones 　 Advanced wavetable synthesizer capable of generating simulated stereo 　 Wavetable including GM full set of 128 instruments and 47 sets of percussions 　 PCM Playback and Record 　...
  • Page 27 Figure.3-1-2 MT6229 BLOCK DIAGRAM -27-...

  • Page 28: Power Amplifier Module

    Power Amplifier Module(SKY77318) Figure.3-2-1 SKY77318 FUNCTIONAL BLOCK DIAGRAM The SKY77318 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation.

  • Page 29: Transceiver Module

    Transceiver Module(MT6139) Figure.3-3-1 MT6139 FUNCTIONAL BLOCK DIAGRAM -29-...

  • Page 30: General Descriptions

    3.3.1 General Descriptions MT6139 is a highly integrated RF transceiver IC for Global Systems for Mobile communication (GSM850, GSM900), Digital Cellular communication Systems (DCS1800), and Personal Communication Services (PCS1900) quad band cellular systems. The MT6139 includes four LNA’s, two RF quadrature mixers, a channel filter, a programmable gain amplifier for the receiver, a high precision IQ modulator for the transmitter, a VCXO oscillator, on-chip regulators, and a fully programmable sigma-delta fractional-N synthesizer with an on-chip LC VCO.

  • Page 31: Bluetooth Module

    Bluetooth Module(MTK_MT6601) The internal connection of the major physical blocks and their associated external interfaces are shown in Figure 3-4-1. The transceiver section of MT6601 incorporates the complete receive and transmit paths, including PLL, VCO, LNA, PA, modulator, demodulator. The baseband signal processor incorporates hardware engines performing frequency hopping, error correcting, whitening, encrypting, data packet assembling and de-assembly to offload the embedded ARM7.

  • Page 32: Mt6601 )

    3.4.1 General description Bluetooth is a low-cost wireless technology used to provide “ad hoc” networking between versatile portable devices such as cell phones, PDAs, digital cameras, headsets, and more. MT6601 is a highly integrated Bluetooth platform IC. It includes powerful baseband processing capabilities with rich features and a high performance transceiver, all in a compact single package.
  • Page 33 3.4.3 Applications MT6601 is designed to provide direct interface with existing handset chip as shown in Figure 3-4-2. The PCM interface provides master or slave mode operation with programmable data frequency to connect to the voice channel with the GSM baseband. The UART interface supports hardware flow control as well as high-speed baud rate.

  • Page 34: Pmic (Mt6318)

    PMIC (MT6318) Power management is one of the most important functions in this PMIC. The power management function applies proper management procedures and control functions to the mobile handset’s battery, charger, and power supply. More specifically, the management criterion is to provide power to the mobile phone while extending the standby/active time as long as possible.
  • Page 35 3.5.1 Features Handles all GSM/GPRS Baseband Power Management Input range: 2.8 V ~ 5.0 V Charger input of up to 15 V 11 LDOs optimized for specific GSM/GPRS subsystems 2-step RTC LDO 600 mW Class AB audio amplifier Booster for series backlight LED driver Charge pump for parallel backlight LED driver SPI interface Pre-charge indication...

  • Page 36: Memory Module

    Memory Module (HYC0UGE0MF1P-5SH0E) Figure.3-6-1 HYC0UGE0MF1P-5SH0E FUNCTIONAL BLOCK DIAGRAM -36-...
  • Page 37 The HYC0UGE0MF1(P)-(5/6)S(S/H)0E is suited for mobile communication system application which use in data memory to reduce not only mount area but also power consumption. The HYNIX HYC0UGE0MF1(P) Series is a Multi Chip Package Memory which combined a 1,107,296,256-bit Nand Flash Memory and a 268,435,456-bit Low Power Synchronous DRAM(Mobile SDRAM).

  • Page 38: Fm/Am Radio Module

    FM/AM Radio Module 3.7.1 FM Radio Module (Si4702) Figure. 3-7-1 Si4702-C19 FM Receiver Block Diagram The Si4702-C19 extends Silicon Laboratories Si4700/01 FM tuner family, and further increases the ease and attractiveness of adding FM radio reception to mobile devices through small size and board area, minimum component count, flexible programmability, and superior, proven performance.
  • Page 39 -39-...
  • Page 40 3.7.2 AM Radio module (Si4703x) Figure. 3-7-2 Si4703-B20 FM Receiver Block Diagram The Si4730/31 is the industry's first fully integrated, 100% CMOS AM/FM radio receiver IC. Offering unmatched integration and PCB space savings, the Si4730/31 requires only two external components and less than 15 mm2 of board area, excluding the antenna inputs.
  • Page 41 -41-...

  • Page 42: Antenna Switch Module ( Eshs-B085Tb ).42

    Antenna Switch Module (ESHS-B085TB) -42-...

  • Page 43: Lcd Interface

    3.9 LCD Interface Figure.3-9-1 LCD Interface The IM200DBNDA model is a Color TFT LCD supplied by LG Innotek. This main Module has a 2.0 inch diagonally measured active display area with 240(RGB)X320 resolution. Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
  • Page 44 -44-...

  • Page 45: Sim& Micro Sd Card Interface

    3.10 SIM& Micro SD Card Interface Figure.3-10-1 SIM CARD Interface Figure.3-10-2 Micro SD CARD Interface The MT6229 contains a dedicated smart card interface to allow the MCU access to the SIM card. It can operate via 5 terminals, using SIMVCC, SIMSEL, SIMRST, SIMCLK and SIMDATA.

  • Page 46: Keypad Interface

    3.11 KEYPAD Interface -46-...
  • Page 47 Figure.3-11-1. KEYPAD Interface The keypad can be divided into two parts: one is the keypad interface including 7 columns and 6 rows; the other is the key detection block which provides key pressed, key released and de-bounce mechanisms. Each time the key is pressed or released, i.e. something different in the 7 x 6 matrix, the key detection block senses the change and recognizes if a key has been pressed or released.

  • Page 48: Battery Charging Block Interface

    3.12 Battery Charging Block Interface Figure.3-12-1 Charging IC Interface -48-...

  • Page 49: Audio Interface

    3.13 Audio Interface Figure.3-13-1 Main Speaker Interface Figure.3-13-2 Main Microphone&Recevice Interface The TPA2010D1 is a 2.5-W high efficiency filter-free class-D audio power amplifier in a 1.45 mm×1.45mm wafer chip scale package(WCSP) that requires only three external components Features like 88% efficiency,-75_dB PSRR, improved RF-rectification immunity, and total PCB area make the TPA2010D1 ideal for cellular handsets.

  • Page 50: Key Led Interface

    3.14 Key LED Interface Figure.3-14-1KEYPAD LED Interface This handset has 10 LEDs that illuminates white color. Control signal is controlled by MT6229with PMIC and handset has 3 methods, ON, OFF, Dimming -50-...

  • Page 51: Vibrator Interface

    3.15 Vibrator Interface Figure.3-15-1Vibrator Interface This handset has Vibrator operation. Control signal is controlled by MT6229 with PMIC -51-...

  • Page 52: Camera Interface

    3.16 Camera Interface Figure.3-16-1Camera Interface -52-...
  • Page 53 3.16.1 Pin Description -53-...
  • Page 54 3.16.2 Major specifications -54-...

  • Page 55: Trouble Shooting

    4. Trouble Shooting Power On Trouble 1.1.1 Test Point Check Points: Battery Voltage(Need to over 3.35V) ‐ Power-On key detection(PWRON signal) ‐ Outputs of LDOs U601 ‐ Oscillate frequency of X401 and X201 ‐ Voltage PART 2.8V TP1(C613) VMEM 2.8V TP2(C616) AVDD 2.8V...
  • Page 56 32.768KHz 1.1.2 Circuit Diagram -56-...
  • Page 57 1.1.3 Checking Flow Start Check Battery  Charge or Change Battery Voltage > 3.35V ?  1. Re-work J1401 Check key board  2. Charge key board connector is well?  3. Try again Re-work or change PMIC Check the Voltage of LDOs Output @U601 (U601) 3.35V ? Check X401 output is Re-work or change X401, 32.768KHz and X201, X201 and C210...

  • Page 58: Sim Card Trouble

    SIM Card Trouble 1.2.1 Test Point 1.2.2 Circuit Diagram -58-...
  • Page 59 1.2.3 Checking Flow Start Change the SIM Card. Our Measure the SIM Card  phone supports only 1.8V or supports 1.8V or 3V ?  3V SIM Card Check voltage of C607? Change U605 Check solder status of  Re-soldering or change J602 J602 ?  SIM card will operate properly -59-...

  • Page 60: Vibrator Trouble

    Vibrator Trouble 1.3.1 Test Point 1.3.2 Circuit Diagram -60-...
  • Page 61 1.3.3 Checking Flow Start Enter the Engineer Mode and set Vibrator ON Check vibrator work  Reposition or change vibrator properly ?  Measure pin 1 of C622  Change U601 =3.2V ?  Re-soldering or change the Does C623, R604, component properly? D603 work Vibrator will operate properly -61-...

  • Page 62: Keypad Trouble

    Keypad Trouble 1.4.1 Test Point 1.4.2 Circuit Diagram 1.4.3 Checking Flow Start Check Metal Dome ? Change Metal Dome Keypad will operate properly -62-...

  • Page 63: Rtc Trouble

    RTC Trouble 1.5.1 Test Point 1.5.2 Circuit Diagram -63-...

  • Page 64: Key Backlight Trouble

    1.5.3 Checking Flow Start Re-soldering X401 and try Is the frequency about again 32.768kHz? Check soldering status of C401,C402 Re-soldering C401,C402 RTC will work properly 1.6 Key Backlight Trouble 1.6.1 Test Point -64-...

  • Page 65: Circuit Diagram

    1.6.2 Circuit Diagram VBAT KEYPAD LED (WHITE) KR101 KR102 KR103 KR104 KR105 KR106 KR107 KR108 KR110 KR111 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm 200Ohm KD101 KD102 KD103 KD104 KD105 KD106 KD107 KD108 KD109 KD110 Key pad_LED1 Key pad_LED2 B to B connector VBAT KJ101...
  • Page 66 1.6.3 Checking Flow Start Re-assembly or change key Check Key board connector is well ? board Check I/O connector Re-soldering or change soldering status is well ? component(J1401,KJ101) Measure VDD = 2.8V and pin 5,6 of U1404 Change U1404 signal ? Re-soldering component or Check V711 , V712 , V713 , LEDs soldering...

  • Page 67: Lcm Backlight Trouble

    LCM Backlight Trouble 1.7.1 Test Point 1.7.2 Circuit Diagram 1.7.3 Checking Flow Start Check Voltage Level of Change U601 C603 = 4.5V ? LCM backlight will operate properly -67-...

  • Page 68: Lcm Trouble

    LCM Trouble 1.8.1 Test Point 1.8.2 Circuit Diagram LCM Cnnector U901 LRSTB J901 LCM_LRSTB NLD[8..17] NLD[8..17] LCM_D17 NLD17 LCM_D16 NLD16 LCM_D15 NLD15 IOVCC(2.8V) LCM_LRSTB RESET LCM_D17 U902 LCM_D16 LCM_D15 LCM_D14 LCM_D14 NLD14 LCM_D13 LCM_D13 NLD13 LCM_D12 LCM_D12 NLD12 LCM_D11 LCM_D11 NLD11 LCM_D10 LCM_D9...
  • Page 69 1.8.3 Checking Flow Start Re-soldering or change Backlight is OK?  PMIC U601 Check Control Signal Replace Component or LCM and power including soldering status ? Check soldering status Replace J901 of J901 LCM will operate properly -69-...

  • Page 70: Microphone Trouble

    Microphone Trouble 1.9.1 Test Point 1.9.2 Circuit Diagram -70-...
  • Page 71 1.9.3 Checking Flow Start Make a Call Check Voltage Level of Replace U601 (MT6318A) TP1 MICBIASP = 1.8V ? Re-solder or Replace Check Component Component status around Mic Re-solder or replace Check status of Microphone Replace U601 (MT6318A) or Change PCB -71-...

  • Page 72: Receiver Trouble

    1.10 Receiver Trouble 1.10.1 Test Point 1.10.2 Circuit Diagram -72-...
  • Page 73 1.10.3 Checking Flow Start Make a Call Check Component Re-solder or Replace status (B701, B702) Component Check TP1 & TP2 Re-solder or Replace Component B701 & B702 Whether bias above 1V or not Check the surface Change Receiver of Receiver Change PCB -73-...

  • Page 74: Speaker Trouble

    1.11 Speaker Trouble 1.11.1 Test Point TP10 1.11.2 Circuit Diagram TP10 -74-...
  • Page 75 1.11.3 Checking Flow Start Turn On the Music Check the voltage level Check the Battery of TP1 & 2 = VBAT ? Check U401 (MT6229AT) Check the signal of TP3 status & 4 bias above 200mV Check component status (C712, C713, C714, C715, R705, R711, R706, R710) Check U401 (MT6229AT) Check the Level of...

  • Page 76: Headphonetrouble

    1.12 Headphone Trouble 1.12.1 Test Point -76-...
  • Page 77 1.12.2 Circuit Diagram TP3 TP4 TP5 TP6 -77-...
  • Page 78 1.12.3 Checking Flow Start Check difference of IO_08_DET between insert or not. And Make a Call Earphone Re insert Ear phone or Check voltage Re-solder U601 (MT6318A) level of TP1 above 1.6V? Check component Re-solder or replace the status around R1111 component Check the TP2 Re-solder component...
  • Page 79 Earphone Does waveform at Check U401 (MT6229AT) TP3 & 4 fluctuate? status Check component status Does waveform at (C1115, C1114, R1106, R1108, L1106, TP5 & 6 fluctuate? L1107) Change another Ear-Mic set and Try again. -79-...
  • Page 80 RF Trouble shooting Bluetooth (MT6601) Test Point Circuit Diagram -80-...
  • Page 81 Checking Flow Check the voltage on Replace U302 TP1&TP2 (C302 and B302 )is1.8V& 2.8V? Check TP3(FL301) is ok ? Replace FL301 Check TP4(X301) have 32 Replace X301 MHz? Re-download S/W -81-...
  • Page 82 Waveform C312 & B302: 2.8±0.2V C301 & C302: 1.8±0.2V C306 or C309: 32MHz C307: 32kHz R301: 2.8±0.2V(high enable reset) FL301: 1±5dBm(need to offset cableloss) 2402~2480 MHz(frequency hopping) -82-...
  • Page 83 FM receiver (SI4702) Test Point Circuit Diagram -83-...

  • Page 84: Rf Trouble

    Checking Flow Check hand free is ok or Change hand free not? Check TP1(R1304 )and TP2(R1313 )of voltage is ok Check Base band or not? power system(U601) Check TP3(R1301) and Check U401 audio TP4(R1302) of signal is ok function or not ? Check V1107 of signal is ok or not ? Replace U401...
  • Page 85 Waveform R1304: 2.8±0.2V C1304: 32kHz R1313: 3.8±0.5V(VBAT=power supply voltage) R1301 & R1302: 1.4±0.2V(analog sound) -85-...
  • Page 86 RF Transceiver (MT6139) Test Point -86-...
  • Page 87 Circuit Diagram -87-...
  • Page 88 Checking Flow -88-...

  • Page 89: Download

    5.DOWNLOAD 5.1 Download setup -89-...

  • Page 90: Download Process

    5.2 LEO Download Tool Tools 1. Download cable 2. PC 3. Battery (3.8 V Li-ion Battery) How to user Leo download tool 1.Connect Download cable with computer, and then double click the LEO. 2.you can see the below picture. -90-...
  • Page 91 3.Select COM port (LEO will auto detect COM port) 4.Click the Setting button and select a valid file. The file always end“.PCS”, reference below picture. -91-...
  • Page 92 5.Select the“. PCS “file and press open, you can see following picture. 6.After you see the pink cycle, connect download cable with handset, and then press the power key , you will see below picture. -92-...
  • Page 93 7.After reach to 100%, SW download finish. 8.If download failed, you will see the below picture. Attention: If you have happened wrong, Please try close LEO and try open again. -93-...

  • Page 94: Block Diagram

    6. BLOCK DIAGRAM -94-...

  • Page 95: Circuit Diagrma

    7. CIRCUIT DIAGRMA -95-...
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  • Page 106: Bga Ic Pin Check

    8. BGA IC PIN Check 8.1 BGA PIN Check of main chip (MT6229) BB_MT6229 (U401) BGA use BGA non-use -106-...
  • Page 107 8.2 BGA PIN Check of Memory(HYC0UGE0MF1P-5SH0E) MCP_HYC0UGE0MF1P-5SH0E (U501) BGA use BGA non-use -107-...
  • Page 108 8.3 BGA PIN Check of Bluetooth (MT6601) MT6601 (U301) BGA use BGA non-use -108-...
  • Page 109 8.4 BGA PIN Check of PMIC (MT6318) MT6318 (U601) BGA use BGA non-use -109-...

  • Page 110: Pcb Layout

    9. PCB LAYOUT J901 LCM Connecter No Display J1404 Key Pad Connecter U301 Bluetooth (MT6601) U101 PA(SKY77318) No Tx & No Rx U102 RF Switch U201 Transceiver No Tx & No Rx (MT6319) -110-...
  • Page 111 J1001 Camera Connecter Camera J801 Battery no Working Connector No Charging U601 PMIC(MT6318) No power on No network J1101 I/O Connecter U401 BB Chipset No Charing etc (MT6229) No Power On U501 Memory No Booting J602 SIM connector J201 Trans-flash No SIM Socket Micro SD no working...

  • Page 112: Engineering Mode

    10.Engineering Mode 1. Test purpose a) To verify Appearance by visual check b) To verify recognition of SIM card c) To verify Function Test in the table shown as below d) To verify power down phone 2. Test System 1. Power Supply Unit (PSU)+Dummy Battery or Battery 2.
  • Page 113 4 MMI Tests Auto test TV Out Test Echo Loop ANTENNA TEST Camera test SHOW, IMEI, BT, SW Version BT mode Version Keypad 10. Vibrator 11. Loud Spk 12. Ring Tone 13. LED 14. LCD 15. Receiver 16. ADC 17. Charger 18.
  • Page 114 Work Flow -114-...

  • Page 115: All Auto Test

    All Auto Test LCD+Melody, BackLight+Vib+Flashlight, MIC, KeyPad, RTC, Headset, FM-Radio, AM-Radio, Bluetooth, FM-ADCTemp, NAND, MemoryCard, CAMERA, Antenna 1. LCD+Melody LCD will show white, black and color pattern pictures in turn. At the same time, phone will play music to check speaker component. 2 .BackLight+Vib+Flashlight LCD Backlight, key light, flash light and led indicators are on for 0.5 seconds at the same time, then off.

  • Page 116: Calibration

    11.CALIBRATION 11.1 Test Equipment set up -116-...

  • Page 117: Calibration Steps

    11.2 Calibration tool (ATE TOOL) Environment Requirement: 　 MS Windows 2000 or XP Hardware: 　 Generic Pentium III or above PC (256M RAM or above) 　 GPIB Card ○ National Instruments GPIB device and driver ○ Agilent GPIB card and driver ○...
  • Page 118 The following diagrams depict the system setups when using the R&S CMU200 or Agilent test platform. Connect 8960, power supply ,computer ,phone -118-...
  • Page 119 To install the MTK ATE tool, execute the setup.exe file. The Installation Wizard guides the user through the installation process step by step. Press Next -119-...
  • Page 120 Press Next Start install -120-...
  • Page 121 Press finish and install finish -121-...
  • Page 122 Execute Measurement & Automation to check equipment address Choose Devices and Interfaces -122-...
  • Page 123 You can see your equipment address Choose 7321_SETUP_081022.ini and open the file to setup from data files -123-...
  • Page 124 Setup your CMU Base GPIB address and power supply address -124-...
  • Page 125 ATE Tool system setting Execute MTK _ ate demo Press Report & System button -125-...
  • Page 126 Setting your equipment Setting your power supply type Choose your Power Supply Type -126-...
  • Page 127 Setting your GSM/EDGE Tester Choose your Tester Choose your download com port Choose your download cable connect COM port -127-...
  • Page 128 Choose “select test setup file” To select the setup file in this icon (For example: 7321_SETUP_081022.ini) -128-...
  • Page 129 Execute MTK _ ate demo again Choose Calibration INI To select the ini file in this icon (For example: 7321_ACL_081022.ini) -129-...
  • Page 130 Choose Con fig File To select the CFG file in this icon (For example: 7321_MT6229+Sky77318_081022.CFG) Choose NVRAM Database file To select the SW database in this icon. -130-...
  • Page 131 How to setup your test report location Choose my computer Choose “C” disk -131-...
  • Page 132 Choose “program files” Choose “ARIMA\ATE_08.08”files -132-...
  • Page 133 Setup new file and leave the window Execute MTK _ ate demo -133-...
  • Page 134 Press Report & System button Press “select test report location” -134-...
  • Page 135 Choose your setup report Press “Done” -135-...
  • Page 136 Setup finish When you finish the setup then you press save change icon. -136-...
  • Page 137 Press Configuration choose Cal Setting Setting your cable loss -137-...
  • Page 138 Press Done to save Press Configuration choose Final setting -138-...
  • Page 139 Choose “MT Call” from Establish Call Type Key in your test SIM card number form IMSI NUMBER -139-...
  • Page 140 Press Done and save your setting If you want calibration , you can press “initial calibration” -140-...
  • Page 141 Press Calibration Test Key-in your phone bar Code -141-...
  • Page 142 Press your phone of power on key and Start calibration Calibration is ok and will show “PASS” -142-...
  • Page 143 If you want see test report , you can press “View log file” You can see the test report -143-...
  • Page 144 If you want final test , you can press “initial final test “ -144-...
  • Page 145 Press “RF Final test” -145-...
  • Page 146 1. Handset to insert SIM card 2. Key-in bar code or IMEI number 3. power on handset -146-...
  • Page 147 ATE start final test -147-...
  • Page 148 If ATE test finish , ATE will show pass -148-...
  • Page 149 If you want see the test report , you can press “View Log File” -149-...
  • Page 150 You can see the test report -150-...
  • Page 151 If you want initial cal and final test , you can press “initial cal and final test” -151-...
  • Page 152 Press “Cal & Final” -152-...
  • Page 153 1.Handset to insert SIM card 2.Key-in bar code or IMEI number 3.Power on handset -153-...
  • Page 154 Start calibration -154-...
  • Page 155 Calibration finish and power on handset again -155-...
  • Page 156 Start final test -156-...
  • Page 157 Finish “Cal & Final test” -157-...
  • Page 158 If you want see the report, you can press “View Log File” -158-...
  • Page 159 Ate show the test report -159-...

  • Page 160: Stand Alone Test

    12. STAND ALONE TEST LG5 RF TX & RX Test : Test Configuration & Expected Outcome Test Configuration : Expected Outcome : Tx power : 32.5 +/- 1.5 dBm for GSM900 Tx power : 29.5 +/- 1.5 dBm for DCS1800, PCS1900 : -85 4 dBm for GSM900, DCS1800, PCS1900...
  • Page 161 (2) Install Process – press “Next” (3) Install Process – press “Next” (4) Install Process – press “Next” -161-...
  • Page 162 (5) Install Process – press “Next” (6) Install Process (7) Install Process – press “Finish” -162-...
  • Page 163 RF RX Check : (1) Open “ Meta_RF_Tool ” (2) Pull in UART cable -163-...
  • Page 164 (3) Inset RF-Cable (AG8960) (4) Select proper com port and press “Reconnect” and then turn on the mobile phone -164-...

  • Page 165: Rx Test

    RX Test (AG8960)--- Set “BCH Parms” , RX Test --- Press Start then Only check top 5 items 1.Select Band (GSM/DCS/PCS) 2. Set channel members 3. Press “Start” Check first 5 items, need +/- 4 inside -165-...
  • Page 166 RF TX Check : (1) Open “ Meta_RF_Tool ” (2) Pull in UART cable (3) Inset RF-Cable (AG8960) (4) Select proper com port and press “Reconnect” and then turn on the mobile phone -166-...

  • Page 167: Tx Test

    TX Test (AG8960) --- Need set “Band” , “Channel” & “Power Level” -167-...

  • Page 168: Replacement Part List

    13. EXPLODED VIEW&REPLACEMENT PART LIST 13.1 KM330 Exploded view -168-...
  • Page 169 Ass’y exploded view -169-...

  • Page 170: Km335 Exploded View

    13.2 KM335 Exploded view -170-...
  • Page 171 Ass’y exploded view -171-...

  • Page 172: Km330 Replacement Part

    13.3 KM330 Replacement part list LGE Part Arima Part location Description Number Number EUSY0361701 311-0000-00503 U301 I.C BLUETOOTH MODULE_MT6601T/BO-L_TFBGA_70BALLS_NoMemory_MTK_N/A EUSY0361601 311-0000-00020 U401 I.C BASE BAND PROCESSOR_MT6229AT/AC-L_TFBGA_314 balls_NoMemory_MTK_N/A I.C STACKED MEMORY_HYC0UGE0MF1P-5SH0E_FBGA_149 BALL_256M+1.0G_HYNIX_SDRAM EUSY0387101 311-0000-00502 U501 + NAND FLASH EUSY0387201 311-0000-00530 U1302 I.C FM MODULE_Si4702-C19-GM_QFN_20 pin_NoMemory_SILICON LABS_FM STEREO...
  • Page 173 SFSY0037801 326-0000-00020 FL201 Filter SAW_B39901-B9431-M410_897.50 MHz_EPCOS_EGSM TX-50/50 Ohm-SMD 5 pin EPCOS SEVY0010301 326-0000-00122 FL301 Filter Bandpass_LTB-1608-2G4H6-D1_2400~2500MHz_MAG.LAYERS_50/50 OHM. SMD 0603/4 pin SFDY0002401 326-0000-00039 FL1101 Filter Dual Mode_EXC24CP121U_100MHz_PANASONIC_Noise,4pin-0504,120Ohm,I=500mA CASE_7321_SILVER_STAINLESS STEEL_N/A_Shielding Case For LCM ASS'Y_PLIGHT(JIANGSU) MBFF0026301 415-73210-0003 CASE _N/A HOLDER_7321_BLACK_PC+ABS_N/A_Support keyboard Plate Ass'y_A-TEK PRECISION MBFZ0035201 415-73210-0006 HOLDER (SUZHOU)_N/A...
  • Page 174 LCD TFT_Transmissive_240x320 Pixels_2.00 inch_IM200DBNDA_LG INNOTEK_262K Color, SVLM0033701 327-0000-00067 FPC type SACY0093701 321-M000-00061 MODULE MODULE_7321_PI-RoHS_12.15*12.0 mm_0.130 mm_2 Layer_Immersion Gold_AFC_7321FKB-004 SVCY0023001 335-0000-00060 CAMERA CAMERA MODULE CMOS_C3AA-M246A_QXGA_LG INNOTEK_3 M Pixels, FPC + Connector SPEAKER MODULE_EME1813V_41.3 * 31.8 mm_8 Ohm_88.0dB_EM-TECH_±3dB,H=5.75 mm, SUSY0028501 313-0000-00112 SPEAKER Wire Type SAEY0068001 8PCB-7321-0-01 KEY BOARD PCB_7321_NON-MB_FOR 7321 KEY BOARD.

  • Page 175: Km335 Replacement Part

    13.4 KM335 Replacement part list LGE Part Arima Part location Description Number Number EUSY0361701 311-0000-00503 U301 I.C BLUETOOTH MODULE_MT6601T/BO-L_TFBGA_70BALLS_NoMemory_MTK_N/A EUSY0361601 311-0000-00020 U401 I.C BASEBAND PROCESSOR_MT6229AT/AC-L_TFBGA_314 balls_NoMemory_MTK_N/A I.C STACKED MEMORY_HYC0UGE0MF1P-5SH0E_FBGA_149 BALL_256M+1.0G_HYNIX_ EUSY0387101 311-0000-00502 U501 SDRAM+ NAND FLASH I.C POWER MANAGEMENT UNIT(PMU)_MT6318A/DY-L_TFBGA_96 Balls_NoMemory_MT EUSY0361901 311-0000-00021 U601...
  • Page 176 Filter Dual Mode_EXC24CP121U_100MHz_PANASONIC_Noise,4pin-0504,120Ohm, SFDY0002401 326-0000-00039 FL1101 I=500mA Filter SAW_B39901-B9431-M410_897.50 MHz_EPCOS_EGSM TX-50/50 Ohm-SMD 5 pin SFSY0037801 326-0000-00020 FL201 EPCOS Omni-MIC._SPM0204LE5-QB_55 'dB_ - 38dB_± 3.0dB_4.72*3.76*1.25mm_NA_ SUMY0012501 312-0000-00038 MIC701 SMD Type_KNOWLES_N/A CON. PIN STICK (POGO) CONTACT_N005M4-02A250MR_2.500 mm_2 pin_CCP_ ENTB0004601 314-0000-00260 J101 H=5.8mm ENSY0023101 314-0000-00390 J602 CON.
  • Page 177 GASKET_7322_BLACK_PORON_N/A_Sponge for Speaker Chamber_SIAU CHON(KUNSHA MGAD0190001 415-73220-0004 GASKET N)_N/A MODULE_7321_PI-RoHS_12.15*12.0 mm_0.130 mm_2 Layer_Immersion Gold_AFC_7321F SACY0093701 321-M000-00061 MODULE KB-004 SPEAKER MODULE_EME1813V_41.3 * 31.8 mm_8 Ohm_88.0dB_EM-TECH_±3dB, SUSY0028501 313-0000-00112 SPEAKER H=5.75 mm,Wire Type SAEY0068001 8PCB-7321-0-01 KEY BOARD. PCB_7321_NON-MB_FOR 7321 KEY BOARD. GMZZ0028701 409-00000-0072 SCREW Machine Screw_Flat_Cross(JCIS)_1.4mm_1.3mm_BLACK_Steel_Plating Nickel_HNS_Nylok CON.

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