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LG GS205 Service Manual

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GS205
Service Manual
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  • Page 1 GS205 Service Manual LG Electronics...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION…………………..3 5. DOWNLOAD………………...….95 1.1 Purpose………………………………….3 5.1 Download setup…………………….95 1.2 Regulatory Information………………...3 5.2 Download Process…………………96 2. PERFORMANCE…………………...5 6. BLOCK DIAGRAM…………….104 2.1 H/W Features…………………………...5 7. CIRCUIT DIAGRMA…………...105 2.2 S/W Features…………………………...6 3. TECHNICAL BRIEF……………….25 8. BGA IN PIN Check…………….121 3.1 Digital Main Processor( )………..25 MT6226...

  • 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 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. Electrostatic Sensitive Devices ATTENTION Boards, which contain Electrostatic Sensitive Devices(ESD),are indicated by the sign . Following information is ESD handing: .

  • Page 5: Performance

    Main Display 2.0” 128x160 QQVGA GPRS Class 10 Yes, 1.1 <1.3M (S5K6AAFX13, 1/6")> Fixed Camera < 1/6"> Focus LG Chemical / Battery 950mAhLi-ion inner pack TOCAD (LGIP-531A) Yes (support MP3, and AAC Audio player playback) Yes, US/Europe band FM Receiver (87.5~108MHz)

  • Page 6: S/W Features

    2.2 S/W Features 2-2-1 System Specification Item Target Specification Form Factor Bar Type Size 110*48.6*14mm Weight (TBD) Battery 3.7V, 950mAh Talk Time 5.5hrs@ 950mAh (GSM900 PCL10) 7.5hrs @ 950mAh (DCS1800 PCL10) 330 hrs @ 950mAh (GSM900 P.P.: 2) Standby Time 470 hrs @ 950mAh (GSM900 P.P.: 5) 560 hrs @ 950mAh (GSM900 P.P.: 9) Antenna...
  • Page 7 2-2-2 General Features Function Target Specification Basic Display RSSI (7 Level, ‘no service, 0, 1, 2, 4, 5, 7’) Battery Indicator (4 Level, 0~3) Battery Battery Indicator Voltage Indicator 3 -> 2 3.72 ± 0.03V 2 -> 1 3.62 ± 0.03 V 1 ->...
  • Page 8 Message Tone Built-in Ring Tone Pattern: 7 Warning Tone Built-in Ring Tone Pattern: 1 Error Tone Built-in Ring Tone Pattern: 1 Camp On Tone Built-in Ring Tone Pattern: 1 Connect Tone Built-in Ring Tone Pattern: 1 Answer Mode Any Key Answer, Send Key only Personal Calendar - Month view only Information...
  • Page 9 Total supported languages will be limited to memory condition. Predictive word input Game 3 Java Games, provided by LGE. (ChequeredFlag, ZooZooClub, BattleReversi) Settings: BGM, Sound Effect, Vibration Anti-theft Provide this feature by following LG spec. (GSM_VVLT 0 Mobile 5_LMT_20071117_1.ppt) Tracker (ATMT)
  • Page 10 2-2-3 GSM/GPRS Features Function Target Specification GPRS GPRS Multi slot Class 10 Data Service BS 24 - 26 (2400-9600 bit/s), asynchronous, non-transparent, UDI. CSD rate up to 9.6K bit/s Call History Last Dialed Number: 40 Last Received Number: 40 Last Missed Number: 40 Scratch Pad Memory (Save an input number in call): 1 Call Duration Last Call Time...
  • Page 11 Cancel all divert Call Barring All Outgoing Calls Call Barring All Outgoing International Calls Call Barring All outgoing International except home Call Barring All incoming Calls Call Barring All incoming Calls when roaming Multi-party Call (up to 7 calls, 5 in conference, 1 on held, 1 waiting) Line switching (Line1, Line2) Call reminder (Off, Single, Periodic) Phone Book...
  • Page 12 EMS Standard as described in 3GPP TS 23.040 R5 excluding WVG EMS Text Format Text Style: Normal, Bold, Italic, Underlined, Strikethrough Text Alignment: Left, Right, Center Text Size: Normal, Large, Small EMS Image Support 1-bit small image 16x16 pixels black and white 1-bit large image 32x32 pixels black and white 1-bit variable image in single SMS packet Extended black and white 1-bit image up to 255x255 pixels...
  • Page 13 MMS SMIL (A subset of SMIL descried in the MMS Conformance Document 1.2) - maximal size for each MMS is limited by300KB MMS Character Sets Support US-ASCII Unicode ISO-8859-1 UTF-16 UTF-8 MMS Images Support WBMP Wireless bitmap GIF87 GIF89a JPEG MMS Sound Formats Support MIDI i-Melody...
  • Page 14 Extract media from Message (MMS/EMS) Store Media (MMS/EMS) Delete Media (MMS/EMS) Cell Broadcast Read Cell Broadcast Cell Broadcast Mode: Receive On/Off Cell Broadcast Message Language Channel Setting Network Automatic Network Selection Manual Network Selection Preferred Network (User definition) GPRS connection mode selection: Always, When Needed Common Operation SIM Application Toolkit (Release 98 Class 2 certified) Prepaid SIM operation...
  • Page 15 2-2-4 Multimedia Features Function Target Specification Camera Image size: 128X160, 160X128, 320X240, 640X480, 1280x1024 Zoom: 1x ~ 4x Quality: Normal, Fine, Super fine White Balance: Auto WB, Daylight, Tungsten, Fluorescent, Cloud,Incand. Shutter tone: Three Shot Sounds EV: -4 ~+4 Scene Mode: Auto, Night Banding: 60Hz/50Hz Color Effect : (Total 14 types)
  • Page 16 GIF87a GIF89a WBMP Music Player Play Pause Resume Stop Next Previous Fast forward Rewind 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 17 Rename Delete Delete All Sort: By Name, Type, Data Storage Selection: Get list from Phone, Memory card Volume Control: 21 level (0~20, 0 for Mute) White Balance: Auto, Daylight, Tungsten, Fluorescent, Cloud, Incandescence EV: -4 ~+4 Scene mode: Auto/Night Banding: 60Hz/50Hz Quality: Normal, Fine, Super fine Record Audio:...
  • Page 18 Melody Compose Edit Play 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 instrument will be used to play this imelody file FM Radio Frequencies: 87.5 ~ 108.0...
  • Page 19 2-2-5 WAP Function Description Value Comments Code base Code base General Type of Browser (Browser Name) Obigo Obigo Version of the Browser Q03C Q03C The usable size of the device's screen 128X160 128x160 in units of pixels (px*px) Size of the device's screen in units of Variable Variable characters.
  • Page 20 Maximum WML Deck Size supported 30KB 30KB But it (WML Binaire) depends assigned total memory pool. And content diversity, the value dynamic. TAG/ Is the attribute hspace for images Browing ignored by the device? Is it possible to select/download images with the device? Tables supported? Yes/No Is it possible to mask table's border? Yes/No...
  • Page 21 WTA Send DTMF Currently there’s no this scenario handset. WTAI location function supported? Security WTLS supported? TLS supported? WAP forum certification Clear Display Indication that WTLS Security is successful for a given session Clear Indication that user has accessed/exited a secure site 1.
  • Page 22 Maximum number WAP Push that can be stored/ Memory dimension reserved to WAP Push is it possible to read Wap push later on ? SyncML parameters OTA provisioning (Y/N)? E-mail parameters OTA provisioning IM client parameters OTA provisioning MMS parameters OTA provisioning OMA, SIM OMA, SIM (OMA, proprietary, none)?
  • Page 23 Where is the cache stored (RAM, flash Flash Flash memory, ...)? memory memory (system (system drive) drive) Cache control using HTTP headers supported? Expire, Expire, max-age, max-age, Etag, Etag, Attributes for Cache control supported Last-Mofifie Last-Mofifie in HTTP headers (expires, max-age, d-Since, d-Since, no-cache, …)
  • Page 24 2-2-6 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...

  • Page 25: Technical Brief

    3. TECHNICAL BRIEF 3.1 Digital Main Processor Figure.3-1-1 MT6226M FUNCTIONAL BLOCK DIAGRAM...

  • Page 26: System Overview

    3.1.1 System overview The revolutionary MT6226M is a leading edge single-chip solution for GSM/GPRS mobile phones targeting the emerging applications in digital audio and video. Based on 32-bit ARM7EJ-STM RISC processor, MT6226M not only features high performance GPRS Class 12 MODEM, but also provides comprehensive and advanced solutions for handheld multi-media.
  • Page 27 controlling VCXO or crystal, thus reducing the need for expensive TCVCXO. MT6226M achieves great MODEM performance by utilizing 14-bit high resolution A/D Converter in the RF downlink path. Furthermore, to reduce the need for extra external current-driving component, the driving strength of some BPI outputs is designed to be configurable. Debug Function The JTAG interface enables in-circuit debugging of software program with the ARM7EJ-S core.
  • Page 28 SIM/USIM Controller with hardware T=0/T=1 protocol control 3 UARTs with hardware flow control and speed up to 921600 bps IrDA modulator/demodulator with hardware framer supports SIR mode of operation Real Time Clock (RTC) operating with a separate power supply General Purpose I/Os (GPIOs) 2 Sets of Pulse Width Modulation (PWM) Output Alerter Output with Enhanced PWM or PDM 4~10 external interrupt lines...
  • Page 29 (FR) and half rate (HR) FR error concealment GSM channel coding, equalization and A5/1 and A5/2 ciphering GPRS GEA1 and GEA2 ciphering Programmable GSM/GPRS Modem Packet Switched Data with CS1/CS2/CS3/CS4 coding schemes GSM Circuit Switch Data GPRS Class 12 Voice Interface and Voice Front End Two microphone inputs sharing one low noise amplifier with programmable gain and automatic gain control (AGC) mechanism Voice power amplifier with programmable gain...
  • Page 30 Supports all possible YUV formats, including grayscale format Supports all DC/AC Huffman table parsing Supports all quantization table parsing Supports restart interval Supports SOS, DHT, DQT and DRI marker parsing IEEE Std 1180-1990 IDCT Standard Compliant Supports progressive image processing to minimize storage space requirement Supports reload-able DMA for VLD stream JPEG Encoder ISO/IEC 10918-1 JPEG baseline mode...
  • Page 31 Command queue with 32 levels Audio CODEC Wavetable synthesis with up to 64 tones Advanced wavetable synthesizer capable of enerating simulated stereo Wavetable including GM full set of 128 nstruments and 47 sets of percussions PCM Playback and Record Digital Audio Playback HE-AAC decode support Audio Interface and Audio Front End Supports I2S interface...
  • Page 32 Figure.3-1-2 MT6226M BLOCK DIAGRAM...

  • Page 33: Power Amplifier Module (Sky77318)

    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 34: Transceiver Module

    Transceiver Module (MT6139) Figure.3-3-1 MT6139 FUNCTIONAL BLOCK DIAGRAM 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...
  • Page 35 3.3.2 Features Receiver Direct conversion architecture Quad differential input LNAs Quadrature RF mixers Fully integrated channel filter 92 dB gain with 60 dB gain control range Transmitter High precision IQ modulator Direct conversion architecture Frequency Synthesizer Single integrated, fully programmable fractional-N synthesizer Fully integrated wide range RFVCO Fast settling time suitable for multi-slot GPRS application Voltage Control Crystal Oscillator (VCXO)

  • Page 36: Bluetooth Module ( Mt6601 )

    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 37 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 38 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 39: 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 40 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 41: Memory Module (K5L5563Caa-D770)

    Memory Module (K5L5563CAA-D770) Figure.3-6-1 K5L5563CAA-D770 FUNCTIONAL BLOCK DIAGRAM 3.6.1 FEATURES <Common> • Operating Temperature : -25°C ~ 85°C • Package : 84Ball FBGA _ 8.0mm x 11.6mm x 1.2mmt 0.8mm ball pitch <NOR Flash> • Single Voltage, 2.7V to 3.1V for Read and Write operations •...
  • Page 42 • Support Single & 32word Buffer Program • WP/ACC input pin - Allows special protection of two outermost boot blocks on both ends of flash array at VIL, regardless of block protect status - Removes special protection at VIH, the two outermost blocks on both ends of flash array return to normal block protect status - Reduce program time at VHH : 6us/word at Write Buffer •...
  • Page 43 Figure.3-6-2 K5L5563CAA-D770 PIN CONFIGURATION Figure.3-6-3 K5L5563CAA-D770 PIN Description...

  • Page 44: Fm Radio Module (Si4708)

    3.7 FM Radio Module (Si4708) Figure. 3-7-1 Si4708 FM Receiver Block Diagram The Si4708/09 extends Silicon Laboratories Si4700 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 46: Antenna Switch Module ( Eshs-B085Tb )

    Antenna Switch Module (ESHS-A085DC)

  • Page 47: Lcd Interface

    3.9 LCD Interface Figure.3-9-1 LCD Interface The IM200BBN3A model is a Color TFT LCD supplied by LG Innotek. This main Module has a 2.0 inch diagonally measured active display area with 28(RGB)X160 resolution. Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
  • Page 48 Figure. 3-9-2 IM200BBN3A Block Diagram...

  • Page 50: 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 MT6226 contains a dedicated smart card interface to allow the MCU access to the SIM card. It can operate via 4terminals, using SIMVCC, SIMDATA, SIMRST, SIMCLK The SIMVCC is used to control the external voltage supply to the SIM card.

  • Page 51: Keypad Interface

    3.11 KEYPAD Interface Figure.3-11-1. KEYPAD Interface The keypad can be divided into two parts: one is the keypad interface including 4 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 4 x 6 matrix, the key detection block senses the change and recognizes if a key has been pressed or released.

  • Page 52: Battery Charging Block Interface

    3.12 Battery Charging Block Interface Figure.3-12-1 Charging IC Interface The FDFMA2P857 is controlled by MT6318.

  • Page 53: Audio Interface

    3.13 Audio Interface Figure.3-13-1 Main Speaker Interface Figure.3-13-2 Main Microphone&Recevice Interface...
  • Page 54 The TPA6202A1 is a 1.25W mono amplifier designed to drive a speaker with at least 8-Ώ. impedance while consuming less than 37 mm2 (ZQV package option) total printed-circuit board (PCB) area in most applications. This device operates from 2.5V to 5.5V, drawing only 1.7mA of quiescent supply current.

  • Page 55: Vibrator Interface

    3.14 Vibrator Interface Figure.3-14-1Vibrator Interface This handset has Vibrator operation. Control signal is controlled by MT6226 with PMIC...

  • Page 56: Camera Interface

    3.15 Camera Interface Figure.3-15-1Camera Interface...
  • Page 57 3.15.1 Pin Description...

  • Page 58: Trouble Shooting

    4. Trouble Shooting Power On Trouble 4.1.1 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 C613 VMEM 1.8V C616 AVDD 2.8V C614 VCORE 1.8V C627...
  • Page 60 4.1.2 Circuit Diagram...
  • Page 61 4.1.3 Checking Flow Start Check Battery Voltage > 3.35V ? Re-work or change PMIC Check the Voltage of (U601) LDOs Output @U601 Check X401 output is 32.768KHz and X201, Re-work or change X401, C210 output is 26MHz ? X201 and C210 Check /SYSRST and Re-work or change CPU BBWAKEUP signal is...

  • Page 62: Sim Card Trouble

    SIM Card Trouble 4.2.1 Test Point 4.2.2 Circuit Diagram...
  • Page 63 4.2.3 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 VSIM Change U601 （ T P614 ） C h e c k s o l d e r s t a t u s o f Re-soldering or change J602 J 6 0 2 SIM card will operate...

  • Page 64: Vibrator Trouble

    4.3 Vibrator Trouble 4.3.1 Test Point 4.3.2 Circuit Diagram...
  • Page 65 4.3.3 Checking Flow Start Enter the Engineer Mode and set Vibrator ON Check vibrator work Reposition or change vibrator properly ? Measure TP1 =3.2V ? Change U601 Re-soldering or change the Does C623, R604, component properly? D603 work Vibrator will operate properly...

  • Page 66: Keypad Trouble

    4.4 Keypad Trouble 4.4.1 Test Point TP10 4.4.2 Circuit Diagram...
  • Page 67 4.4.3 Checking Flow Start Check Metal Dome ? Change Metal Dome Check TP1~10,short to Change U401 GND or not? Keypad will operate properly...

  • Page 68: Rtc Trouble

    RTC Trouble 4.5.1 Test Point 4.5.2 Circuit Diagram...
  • Page 69 4.5.3 Checking Flow Start Re-soldering X401 and try Is the frequency about again 32.768kHz at TP1? Check soldering status Re-soldering C401,C402 of C401,C402 Check Voltage Level of Replace C618 TP2 = 1.5V ? RTC will work properly...

  • Page 70: Lcm Backlight Trouble

    4.6 LCM Backlight Trouble 4.6.1 Test Point 4.6.2 Circuit Diagram 4.6.3 Checking Flow Start Check Voltage Level of Change U601 L606 = 4.5V ? LCM backlight will operate properly...

  • Page 71: Lcm Trouble

    4.7 LCM Trouble 4.7.1 Test Point 4.7.2 Circuit Diagram...
  • Page 72 4.7.3 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...

  • Page 73: Microphone Trouble

    4.8 Microphone Trouble 4.8.1 Test Point 4.8.2 Circuit Diagram...
  • Page 74 4.8.3 Checking Flow Start Make a Call Check Voltage Level of Replace U601 (MT6318A) 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...

  • Page 75: Receiver Trouble

    4.9 Receiver Trouble 4.9.1 Test Point 4.9.2 Circuit Diagram...
  • Page 76 4.9.3 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...

  • Page 77: Speaker Trouble

    4.10 Speaker Trouble 4.10.1 Test Point 4.10.2 Circuit Diagram...
  • Page 78 4.10.3 Checking Flow Start Turn On the Music Check the voltage level Check the Battery of TP1 = VBAT ? Check U401 (MT6226) Check the signal of TP2 status bias above 200mV Check component status (C712, C713, R705, R711) Check U401 (MT6226) Check the Level of status TP3 = High ?

  • Page 79: Headphone Trouble

    4.11 Headphone Trouble 4.11.1 Test Point...

  • Page 80: Circuit Diagram

    4.11.2 Circuit Diagram AVDD R1117 200Kohm R1124 100Kohm B1101 120ohm USB_DM_IO GPIO2_MIC_SW U1102 B1102 120ohm GPIO2_MIC_SW USB_DP_IO EINT0_Accessory SELECT B1103 120ohm MIC_EAR MIC_EAR_IO NC7SB3157P6X-NL C1125 R1116 100nF U1102 ADC5_ACCESSORY A --> B0 10.0Kohm A --> B1 MICBIASP C1116 501mV R1103 1.94V 1.71V MICN1...
  • Page 81 4.11.3 Checking Flow Start Check difference of TP7 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 .
  • Page 82 Earphone Does waveform at Check U401 (MT6226AT) TP3 & 4 fluctuate? status Check component status Does waveform at (C1115, C1114, R1106, R1108, R1125, TP5 & 6 fluctuate? R1126,U1101,B1101,B1102) Change another Ear-Mic set and Try again.

  • Page 83: Rf Trouble

    4.12 RF trouble shooting Bluetooth (MT6601) Check the voltage on C312 and B302(2.8±0.2V) Replace U302 of voltage is ok? Check the voltage on C301 Replace U301 and C302(1.8±0.2) of voltage is ok? Check C306 or C309 Replace X301 32MHz clock is ok? check and Check C307 32kHz clock replace X401and U401...
  • Page 84 C312 & B302: 2.8±0.2V C301 & C302: 1.8±0.2V C306 or C309: 32MHz C307: 32kHz...
  • Page 85 R301: 2.8±0.2V(high enable reset) FL301: 1±5dBm(need to offset cableloss) 2402~2480 MHz(frequency hopping)
  • Page 86 FM Radio Trouble Test Point...
  • Page 87 Circuit Diagram...
  • Page 88 Checking Flow Start INT-FM or EXT-FM INT FM Check a condition of Ear Jack connector soldering (J1101)or Ext-FM-ANT A condition is Good ? Replace the J1101 Check a condition of FM tuner Matching component (TP1,2,7) Give the auditory solder in A condition is Good ? TP1,2,7 FM_Radio working is...
  • Page 89 Check a condition of CLK(TP5 = 32KHz) Replace PCB A condition is Good ? Check a condition of U1302 soldering Replace U1302 A condition is Good ? Check a condition of FM_Radio Performance Replace PCB A condition is Good ? Finish...
  • Page 90 INT FM Check a condition of Pogo PIN for T1301 Int-FM-ANT(TP6) Replace the T1301 A condition is Good ? Check a condition of FM tuner Matching component (TP1,2,7) Give the additory solder in TP1,2,7 A condition is Good ? FM_Radio working is good ? Finish...
  • Page 91 RF Transceiver (MT6139) Check Antenna Change Antenna Check J104 output by spectrum : Replace J104 BAND:900 ARFCN:40 BAND:1800 ARFCN:700 Check C112 output ? Replace U107 Check BAND:900 L110 Check R101 BAND:1800 L109 Replace U401 signal is ok? utput ? Replace U101 Check BAND:900 L201 Check B201 BAND:1800 L203...
  • Page 92 J104: (need to offset the cableloss) GSM900: 32.5±3dBm(center channel=40) DCS1800: 29.5±3dBm(centerchannel=700) J104 position...
  • Page 93 GSM900 DCS1800 C112: as J104 L110: 33±3dBm(GSM900 center channel=40) L109: 30±3dBm(DCS1800 center channel=700) R101: 2.8±0.2V(frequency=216.7Hz)
  • Page 94 L201: 3±3dBm(GSM900 center channel=40) L203: 3±3dBm(DCS1800 center channel=700) GSM900 DCS1800 B201 & B202 & B205: 2.8±0.2V R201: 2.8±0.2V(frequency=216.7Hz) X201: 26MHz -94-...

  • Page 95: Download

    5.DOWNLOAD 5.1 Download setup -95-...

  • Page 96: Download Process

    5.2 LEO Download process Tools 1. Download cable(Prolific USB-to-Serial) 2. PC 3. Battery (3.8 V Li-ion Battery) How to installation Leo download tool 1. You must install “Prolific USB-to-Serial Comm Port” driver first before installing this program, and then double click the “Setup.msi” start installation. 2.You can see the below picture, and then click the “Next”...
  • Page 97 3.You can see the below picture, and then click the “Next” button. 4. You can see the below picture, and then click the “Next” button. -97-...
  • Page 98 5. You can see the below Installing picture, and then click the “Close” button installation complete. -98-...
  • Page 99 How to user Leo download tool For example: GS205-00-V09b-404-XX-FEB-27-2010 1.Connect Download cable with computer, and then double click the” LEO Download Tool”. 2.you can see the below picture. -99-...
  • Page 100 3.Select COM port (LEO will auto detect COM port) 4.Select Download mode. Note: ① If you select “Download ROM”, it will download software only. ② If you select “Download ROM and Format”, it will download software and delete NVRAM all data except calibration data and IMEI number, and delete user disk data include contact information 、message etc, also it still will reset META_NVRAM to factory default.
  • Page 101 5.Click the “Setting” button and select a valid file. The file always be end of“.PCS”, reference below picture. 6.Select the“. PCS “file and press open, you can see following picture. -101-...
  • Page 102 7.After you see the pink cycle, connect download cable with handset, and then press the power key , you will see below picture. 8.After reach to 100%, SW download finish. -102-...
  • Page 103 9.If download failed, you will see the below picture. Attention: If appear failed image, Please try close LEO and try open again. -103-...

  • Page 104: Block Diagram

    6. BLOCK DIAGRAM -104-...

  • Page 105: Circuit Diagrma

    7. CIRCUIT DIAGRMA -105-...
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  • Page 121: Bga Ic Pin Check

    8. BGA IC PIN Check 8.1 BGA PIN Check of main chip (MT6226M) BB_MT6226M (U401) BGA use BGA non-use -121-...
  • Page 122 8.2 BGA PIN Check of Memory (K5L5563CAA-D770) K5L5563CAA-D770 (U502) BGA use BGA non-use -122-...
  • Page 123 8.3 BGA PIN Check of Bluetooth (MT6601) MT6601 (U301) BGA use BGA non-use -123-...
  • Page 124 8.4 BGA PIN Check of PMIC (MT6318) MT6318 (U601) BGA use BGA non-use -124-...

  • Page 125: Pcb Layout

    9. PCB LAYOUT -125-...
  • Page 126 J1001 Camera connecter Camera no working J1101 I/O connecter No charging etc U301 Bluetooth Bluetooth not working U1302 FM radio FM not working U502 Memory No Booting U601 PMIC (MT6318) No power on U401 BB chipset No network (MT6226) No power on No service etc U201 Transceiver (MT6319)

  • Page 127: Engineering Mode

    10.Engineering Mode 1.1. Enter and Exit Engineering Mode In idle screen, enter the Factory Mode menu by typing “*2945#*#”. Like normal menu operations, press Left-Soft-Key (LSK) “Back” to the previous screen or End key to go back to the idle screen. 1.2.
  • Page 128 1.4. Device 1.4.1. LCD Item Function Selection Value Description Version Set Contrast 0-255 To set the Cntrast of Main LCD. Set Bias Ratio 0-255 To set the Bias Ratio of Main LCD. Set Line rate 0-255 To set the Line Rate of Main LCD. Set Temperature 0-255 To set the Temperture of Main LCD.
  • Page 129 1.4.4.EINT Display External Interrupt Status. 1 means ON, 0 means OFF. Item Function Selection Value Description Earphone 0 Plug in the Earphone to test. ClamShell 0 TO test Clamshell. Charger 0 Plug in the Charger to test. EINT NC 0 To test NC.
  • Page 130 1.4.7.Set UART Change the UART setting for AT Command. If AT Command is set to UART1,then TST2 is set to UART2. If AT Command is set to UART2, then TST is set to UART1. The UART POWER ON/OFF is for selection of UART1/2/3 on or off. 1.4.8.Sleep Mode Enable or disable sleep mode.
  • Page 131 Mode]->Customize->Volume->Ring tone to change volume. 8.The parameters of Headset Mode are applied only when the headset is plugged in. 9.The parameters of LoudSp Mode are applied only when handsfree is turned on during a call. 1.5.2.Ring Tone This audio setting is used to demonstrate all melodies on the MS,including iMelodies,Midis and Sounds(MIDI format).
  • Page 132 1.7. Misc This screen contains othe miscellaneous settings. Item Function Selection Description Auto Answer ON/OFF To toggle on or off the Auto Answer function. High Speed SIM ON/OFF To toggle on or off the High Speed SIM test. PWR Duration To show the power-on time,the current time and the duration.
  • Page 133 1.12. Socket Test Four applications test the functionality of socket. Item Function Selection Description DNS query To resolve a domain name to IP address.The domain name is user- specified. HTTP HTTP download To obtain and display the web page.The webpage URL is specified by the user. Echo Echo To send a string to and display the response...
  • Page 134 1.12.1.4. Detailed Description The Socket Test menu offers four submenus to verify the functionality of the socket. DNS Query: To resolve a user-specified domain name to IP address. HTTP GET: To get and display a web page. The webpage URL is user=specified. ECHO: To send a string to and display the response fore the echo server.The string and IP address of the echo server are user-specified.
  • Page 135 In the DNS Query screen the user enters a domain name to be resolved. 1.If no characters are input, RSK is labeled BACK and pressing RSK returns the user to the Socket Test menu screen. 2.If input characters exist, RSK becomes CLEAR and pressing RSK deletes one single character at the location of the cursor.
  • Page 136 1.12.3.3. Interrupt Handling Interrupt Type Corresponding Operation Operation after Interrupt Handling Incoming Call Standard handling Restore the screen before the interrupt. Incoming CCBS Invoke Standard handling Restore the screen before the interrupt. Incoming SMS Standard handling Restore the screen before the interrupt. Incoming Voice Mail Standard handling Restore the screen before the interrupt.
  • Page 137 Key Type Input Type Operation Condition Followed Section Input numbers Scroll up one item. , Side ↑ ↑ Scroll down one item. , Side ↓ ↓ Move cursor to one left position ← Move cursor to one right position → LSK “Edit”...
  • Page 138 3. Pressing LSK OPTION takes the user to the Option menu, described in the following screen. After pressing LSK OPTION in the Echo String screen, the Option menu is shown. 1. Done: Finishes input of the echo string. The user is taken back to the ECHO screen. 2.
  • Page 139 Interrupt Type Corresponding Operation Operation after Interrupt Handling Incoming Call Standard handling Restore the screen before the interrupt. Incoming CCBS Invoke Standard handling Restore the screen before the interrupt. Incoming SMS Standard handling Restore the screen before the interrupt. Incoming Voice Mail Standard handling Restore the screen before the interrupt.
  • Page 140 1.14. Profiling To test the Multimedia module. Press LSK OK to enter the Multimedia test screen. Item Function Selection Value Description Auto Play Files Press OK To select a folder from File Manager. And start to auto play the files Camera Press OK To test the Camera...

  • Page 141: Calibration

    11.CALIBRATION 11.1 Test Equipment set up -141-...

  • Page 142: Calibration Steps

    11.2 Calibration Steps 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 ○ KEITHLEY GPIB card and driver ...
  • Page 143 The following diagrams depict the system setups when using the Agilent test platform. Connect 8960, power supply , computer ,phone -143-...
  • Page 144 When install the MTK ATE tool, first install driver. In turn execute CF06PP_INST_DRIVERS_663XXA.exe, winnt_8960_e1960.exe, 230x-850a01.exe. -144-...
  • Page 145 -145-...
  • Page 146 Second , to install the MTK ATE tool, execute the Old model \ Volume1 \setup.exe file. The Installation Wizard guides the user through the installation process step by step, up to Installation finish. Third , to install the MTK ATE tool, execute the ATE_For_New_Version_Setup \ Volume1 \setup.exe file.
  • Page 147 Execute Measurement & Automation to check equipment address Choose Devices and Interfaces -147-...
  • Page 148 You can see your equipment address Choose LG34_SETUP_091218.ini and open the file to setup from data files . （ （ （ （ For example: LG34） ） ） ） -148-...
  • Page 149 Setup your CMU Base GPIB address and power supply address -149-...
  • Page 150 ATE Tool system setting Execute MTK _ ate demo Press Report & System button -150-...
  • Page 151 Setting your equipment Setting your power supply type Choose your Power Supply Type -151-...
  • Page 152 Setting your GSM/EDGE Tester Choose your Tester Choose your download com port Choose your download cable connect COM port -152-...
  • Page 153 Choose “select test setup file” To select the setup file in this icon (For example: LG34_SETUP_091218.ini) Execute MTK _ ate demo again -153-...
  • Page 154 Choose Calibration INI To select the ini file in this icon (For example: LG34_ACL_091218.ini) Choose Config File To select the CFG file in this icon (For example: LG34_MT6226+SKY77318_091218.cfg) Choose NVRAM Database file To select the SW database in this icon. -154-...
  • Page 155 Choose AP database file (Caution: ONLY Smart phone need choose To select the AP database in this icon. (Caution: ONLY Smart battery need choose Choose Battery DFI file To select the DFI file in this icon. -155-...
  • Page 156 How to setup your test report location Choose my computer Choose “C” disk -156-...
  • Page 157 Choose “program files” Choose “Program Files \ATE Tools KP199_KP320_KM330_KM335_KC530”file -157-...
  • Page 158 Setup new file and leave the window Execute MTK _ ate demo -158-...
  • Page 159 Press Report & System button Press “select test report location” -159-...
  • Page 160 Choose your setup report Press “Done” -160-...
  • Page 161 Setup finish When you finish the setup then you press save change icon. -161-...
  • Page 162 Press Configuration choose Cal Setting Setting your cable loss -162-...
  • Page 163 Press Done to save Press Configuration choose Final setting -163-...
  • Page 164 Choose “MT Call” from Establish Call Type Key in your test SIM card number form IMSI NUMBER Press “Done” and save your setting -164-...
  • Page 165 If you want calibration , you can press “initial calibration” Press Calibration Test -165-...
  • Page 166 Key-in your phone bar Code Press your phone of power on key and Start calibration -166-...
  • Page 167 Calibration is ok and will show “PASS” You can see the test report -167-...
  • Page 168 If you want final test , you can press “initial final test “ Press “RF Final test” -168-...
  • Page 169 Handset to insert SIM card Key-in bar code or IMEI number Power on handset -169-...
  • Page 170 ATE start final test -170-...
  • Page 171 If ATE test finish , ATE will show pass -171-...
  • Page 172 You can see the test report -172-...
  • Page 173 If you want initial cal and final test , you can press “initial cal and final test” -173-...
  • Page 174 Press “Cal & Final” -174-...
  • Page 175 1.Handset to insert SIM card 2.Key-in bar code or IMEI number 3.Power on handset -175-...
  • Page 176 Start calibration -176-...
  • Page 177 Calibration finish and power on handset again -177-...
  • Page 178 Start final test -178-...
  • Page 179 Finish “Cal & Final test” -179-...
  • Page 180 Ate show the test report -180-...

  • Page 181: Stand Alone Test

    12. STAND ALONE TEST 12.1 GS205 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...

  • Page 182: Meta Tool Install Process

    12.2 META Install & RF TX & RX Check META Tool Install process : (1) Press “setup.exe” then press (2) Install Process – press “Next” (3) Install Process – press “Next” -182-...
  • Page 183 (4) Install Process – press “Next” (5) Install Process – press “Next” (6) Install Process -183-...
  • Page 184 (7) Install Process – press “Finish” -184-...

  • Page 185: Rx Test

    12.3 RF RX Check : (1) Open “ Meta_RF_Tool ” (2) Pull in UART cable (3) Inset RF-Cable (AG8960) -185-...
  • Page 186 (4) Select proper com port and press “Reconnect” . Step1 Step2 (5)Press handset’s power key and it will show LG logo. Than appear the following picture. Select RF Tool. (6)Loading database Make sure the same to handset. -186-...
  • Page 187 (7) Press “PM” to RX check. Select proper Band, ARFCN and PM Count. (8) Setup AG8960: Press CALL SETUP, Than press “F1”,and select “GSM BCH+TCH”. -187-...
  • Page 188 RX Test (AG8960)--- Set “BCH Parms” , -188-...
  • Page 189 (10) 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 -189-...
  • Page 190 12.4 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 press handset’s power key. Step1 Step2 (5) Loading database Make sure the same to handset. (6) AG8960 need to set TCH Parms.

  • Page 191: Tx Test

    (8) TX Test (AG8960) --- Need set “Band” , “Channel” & “Power Level” Select Band (GSM/DCS/PCS) Set channel members Press “Start” TX Output power -191-...
  • Page 192 13. #EV# Location No Part description Location No Part description MWAC00 WINDOW,LCD SAFY00 PCB ASS'Y,MAIN AKAC00 KEYPAD ASS'Y,MAIN SUSY00 SPEAKER SURY00 RECEIVER SJMY00 VIBRATOR,MOTOR ACGK00 COVER ASS'Y,FRONT SNGF00 ANTENNA,GSM,FIXED GGZZ00 TAPPING SCREW ACGM00 COVER ASS'Y,REAR SVLM00 LCD MODULE GMZZ00 MACHINE SCREW ADCA00 DOME ASS'Y,METAL GMZZ01...
  • Page 193 Arima part LG part Level Part name Description Remark. Number Number Li-ion Battery Cell Packing_3.7V_950mAh_BLACK_LGIP-531A-SBPL0090501_LG Battery 306-0000-00071 SBPL0090501 1 LG33 Common use INNOTEK_Bar code:SBPL0090501 Travel Charger 331-0000-00151 SSAD0031502 1 LG33 Common use Charger_100~240V_5.10V_700mA_FCC_STA-U12IS_EN50075_REX_SALCOMP_N/A Headset Stereo Channel Type_EMB-LGE004MSKJ_16 Ohm_Mic.S/N'58 'dB_- 38...
  • Page 194 Vibrator Bar Vibrator 320-0000-00062 SJMY0010301 Type_Y0408A-400366302-0021_R2.25+4.5*5.50*13.00mm_LNLON_Spring contact 1 LG33 Common use type LOUD SPEAKER_YD-17I-03_Φ 17.0 mm_8 Ohm_94.0dB_CHANG ZHOU YU LOUD SPEAKER 313-0000-00165 SUSY0030101 1 LG33 Common use CHENG_±3dB,H=3.6mm,Spring contact Cover_7263_BLACK_PC_Painting_CAMERA COVER_A-TEK CAMERA COVER 405-72630-0002 MDAY0085301 PRECISION(SUZHOU)_N/A SPRING_7263_SILVER_STAINLESS STEEL_N/A_BLUETOOTH ANTENNA BT ANT 415-72630-0003 MCIZ0006601 SPRING_EMI STOP_N/A...
  • Page 195 I.C POWER MANAGEMENT UNIT(PMU)_MT6318A/DY-L_TFBGA_96 ...3 U601 311-0000-00021 EUSY0361901 1 LG33 Common use Balls_NoMemory_MTK_N/A ...3 U201 311-0000-00049 EQBA0005401 I.C TRANSCEIVER_MT6139BN/FR-L_QFN_40 Pins_NoMemory_MTK_N/A 1 LG33 Common use I.C POWER AMP MODULE(RF)_SKY77318-12_MCM_20 ...3 U101 311-0000-00051 SFAY0011201 1 LG33 Common use Pins_NoMemory_SKYWORKS_N/A ...3 U301 311-0000-00503 EUSY0361701 I.C BLUETOOTH MODULE_MT6601T/BO-L_TFBGA_70BALLS_NoMemory_MTK_N/A 1 LG33 Common use ...3...
  • Page 196 MFEA0033901 (Frame) CASE_7221_SILVER_STAINLESS STEEL+COPPER-NICKEL-ZINC ...3 Baseband Shielding Case 415-72210-0016 1 LG33 Common use MCBA0059001 ALLOY_N/A_Baseband Shielding Case_PLIGHT(JIANGSU)_N/A (cover) CASE_7261_SILVER_COPPER-NICKEL-ZINC ALLOY_N/A_IO connector ...3 J1103 415-72610-0025 MCBA0072901 KF301Common use case_PLIGHT(JIANGSU)_N/A Camera 335-0000-00088 SVCY0027801 CAMERA MODULE CMOS_MC120C-0CA8E0002_SXGA_MCNEX_1.3M pixels LCD TFT_Transmissive_128x160 Pixels_2.00 inch_IM200BBN3A_LG INNOTEK_262 327-0000-00075 SVLM0036301 1 LG33 Common use COLOR,ZIF FPC TYPE...

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