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LG GB195 Service Manual
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LG GB195 Service Manual

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GB195
Service Manual
LG Electronics
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  • Page 1 GB195 Service Manual LG Electronics...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION…………………...3 4.14 FM Radio Trouble…………………79 1.1 Purpose…………………………………3 4.15 Camera Trouble……………………81 1.2 Regulatory Information………………...3 4.16 Micro SD Trouble………………….84 2. PERFORMANCE…………………...5 4.17 RF Trouble…………………………86 5. DOWNLOAD……………….….98 2.1 H/W Features…………………………...5 2.2 S/W Features…………………………...6 5.1 Download setup………………….98 3. TECHNICAL BRIEF………………18 5.2 Download Process………………99 6.

  • 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

    2. PERFORMANCE 2.1 H/W Features Solution MT6223C + AIT706X(144pin) Media Tek / AIT Form Factor Bar type Dimension (mm) 104 x 46 x 13.95 Dual Band 900/1800 or Dual Band RF Band 850/1900 Internal Antenna Data GPRS Class 10 1.5” TFT 262K color, 128x128 Pixels Main Display (HW) Battery...

  • Page 6: S/W Features

    2.2 S/W Features 2.2.1 General Features Function Target Specification Parameter Support Basic Display RSSI (7 Level, 0~6) Battery Indicator (4 Level, 0~3) Icons Indicator Others reference to "Phone Personalization Setting" Speech Codec FR/EFR/HR/AMR Keypad Number of Keys: 21Key (include 12 alphanumeric/number keys (0-9,#,*), 4 function keys, 5 way navigation keys) Clear key...
  • Page 7 Function Target Specification Parameter Support Built-in Ring Tone Pattern: 1 (Only On/Off operation) Error Tone Built-in Ring Tone Pattern: 1 (Only On/Off operation) Camp On Tone Built-in Ring Tone Pattern: 1 (Only On/Off operation) Connect Tone Built-in Ring Tone Pattern: 1 (Only On/Off operation) Status LED Charger-in Status LED...
  • Page 8 Function Target Specification Parameter Support 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 Restore Factory Default Setting Security Phone Lock Input Method Engine Support Language Depends on customer and market...
  • Page 9 Function Target Specification Parameter Support 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 Call Retrieve Automatic Redial Speed Dialing Last Number Redial Call Call Hold Related Supplementa...
  • Page 10 Function Target Specification Parameter Support SOS Number Entry : 1000 names (11 fields – Name, Mobile, Home, Company name, Email address, Office number, Fax number, Birthday, Associate Picture, Associate Sound, Caller group) Caller Group-5 caller group- Friends, Family, VIP, Business, Others (5 fields – Name, Ring, Picture, LED pattern, Member list) Own Numbers: User can change the own...
  • Page 11 Function Target Specification Parameter 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 Extended 6-bit image up to 255x255 Pre-defined animation User-defined small animation 8x8 pixel 4-frame black and white...
  • Page 12 Function Target Specification Parameter Support MMS SMIL (A subset of SMIL descried in the MMS Conformance Document 1.2) MMS Character Sets Support US-ASCII Unicode ISO-8859-1 UTF-16 UTF-8 MMS Images Support WBMP Wireless bitmap GIF87 GIF89a JPEG (sw decode) MMS Sound Formats Support MIDI MMS Miscellaneous Multipart binary MIME...
  • Page 13 Function Target Specification Parameter Support Use Sender's Number Message Templates 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 Network Service Status Preferred Network (User definition)
  • Page 14 Function Target Specification Parameter Support Banding: 60Hz/50Hz Effect settings: (Total 14 types) Normal, Grayscale, Sepia, Sepia Green, Sepia Blue, Color Invert, Gray Invert, Blackboard, Whiteboard, Copper Carving, Blue Carving, Embossment, Contrast, Sketch No. of the Stick Frames: 3 Frame 1, Frame 2, None Stick Frame Only can be used while image size is 240WX320H Storage Selection:...
  • Page 15 Function Target Specification Parameter Support 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 Normal, Bass, Dance, Classical, Treble, Party, Pop, Rock Volume Control:...
  • Page 16 Function Target Specification Parameter Support Sort: By Name, Type, Time, Size, None Storage Selection: Only Memory Card Get list from Phone, Memory card Volume Control: 7 level (0 ~ 6, 0 for Mute) Image Quality: High, Normal, Low White Balance: Auto, Daylight, Tungsten, Fluorescent, Cloud, Incandescence Mode:...
  • Page 17 Function Target Specification Parameter Support 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 melody file, so the last chosen instrument will be used to play this melody file FM Radio Frequencies: 87.5 ~ 108.0...

  • Page 18: Technical Brief

    3. TECHNICAL BRIEF 3.1 Digital Main Processor Figure.3-1-1 MT6223 FUNCTIONAL BLOCK DIAGRAM -18-...

  • Page 19: System Overview

    3.1.1 System overview MT6223 is an entry level chipset solution with class 12 GPRS/GSM modem. It integrates only only analog baseband but also power management blocks into one chip and can greatly reduce the component count and make smaller PCB size. Besides, MT6223 is capable of SAIC (Single Antenna Interference Cancellation) and AMR speech.
  • Page 20 Radio MT6223 integrates a mixed-signal Baseband front-end in order to provide a well-organized radio interface with flexibility for efficient customization. It contains gain and offset calibration mechanisms, and filters with programmable coefficients for comprehensive compatibilitycontrol on RF modules. This approach also allows the usage of a high resolution D/A Converter for controlling VCXO or crystal, thus reducing the need for expensive TCVCXO.
  • Page 21 Circuit Switch Data coprocessor Division coprocessor External Memory Interface Supports up to 4 external devices Supports 8-bit or 16-bit memory components with maximum size of up to 32M Bytes each Supports Flash and SRAM/PSRAM with Page Mode or Burst Mode Industry standard 9-bit Parallel LCD Interface Supports multi-media companion chips with 8/16 bits data width Flexible I/O voltage of 1.8V ~ 2.8V for memory interface...
  • Page 22 3.1.3 MODEM Features Radio Interface and Baseband Front End GMSK modulator with analog I and Q channel outputs 10-bit D/A Converter for uplink baseband I and Q signals 14-bit high resolution A/D Converter for downlink baseband I and Q signals Calibration mechanism of offset and gain mismatch for baseband A/D Converter and D/A Converter 10-bit D/A Converter for Automatic Power Control...

  • Page 23: General Description

    Supports hardware display rotation for each layer Audio CODEC 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 Digital Audio Playback Audio Interface and Audio Front End Supports I2S interface...
  • Page 24 Figure.3-1-2 MT6223 BLOCK DIAGRAM -24-...

  • Page 25: Power Amplifier Module (Sky77518)

    Power Amplifier Module (SKY77518) Figure.3-2-1 SKY77518 FUNCTIONAL BLOCK DIAGRAM The SKY77518-21 is a transmit and receive front-end module (FEM) with Integrated Power Amplifier Control (iPAC.) for dual-band cellular handsets comprising GSM900 and DCS1800 operation. Designed in a low profile, compact form factor, the SKY77518-21 offers a complete Transmit VCO-to- Antenna and Antenna-to-Receive SAW filter solution.

  • Page 26: Transceiver Module

    Transceiver Module (AD6548) Figure.3-3-1 AD6548 FUNCTIONAL BLOCK DIAGRAM 3.3.1 General Descriptions The AD6548/9 provides a highly integrated direct conversion radio solution that combines, on a single chip, all radio and power management functions necessary to build the most compact GSM radio solution possible. The only external components required for a complete radio design are the Rx SAWs, PA, Switchplexer and a few passives enabling an extremely small cost effective GSM Radio solution.

  • Page 27: Pin Descriptions

    regulated supply voltages to the functions on chip, with a battery input voltage of between 2.9V and 5.5V. Comprehensive power down options are included to minimize power consumption in normal use. A standard 3 wire serial interface is used to program the IC. The interface features low-voltage digital interface buffers compatible with logic levels from 1.6V to 3.0V.

  • Page 28: Memory Module (Pf38F4050M0Y0Cg)

    Memory Module (PF38F4050M0Y0CG) Figure.3-4-1 PF38F4050M0Y0CG FUNCTIONAL BLOCK DIAGRAM -28-...
  • Page 29 The M18 family with synchronous PSRAM stacked product family encompasses multiple M18 flash memory plus synchronous PSRAM die combinations and I/O interface options. M18 is available as a Non-Multiplex or Address-Data Multiplex (AD-Mux) I/O interface option, while the synchronous PSRAM is available only as a Non-Multiplex I/O interface. The M18 is the latest generation of Numonyx™...
  • Page 30 -30-...
  • Page 31 -31-...

  • Page 32: Fm Radio Module (Si4708)

    3.5 FM Radio Module (Si4708) Figure. 3-5-1 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 33 -33-...

  • Page 34: Antenna Switch Module (B9308)

    Antenna Switch Module (B9308) Application Low-loss 2in1 RF filter for mobile telephone GSM 900 and GSM 1800 systems, receive path (Rx) Usable passband: Filter 1 (GSM 1800): 75 MHz Filter 2 (GSM 900): 35 MHz Unbalanced to balanced operation for both filters Very low insertion attenuation Low amplitute ripple Impedance transformation from 50 W to 150 W for both filters...

  • Page 35: Camera Module (Ait706X)

    Multimedia Module (AIT706X) Figure. 3-7-1 AIT706X Block Diagram 3.7.1 General Descriptions The AIT706X is a highly integrated versatile multi-media processor, especially suitable for image-enabled mobile and handheld devices, such as cellular phones and PDAs. The most significant advantage of AIT706X is small package and low power consumption. The AIT706X includes an embedded 32-bit ARM processor, frame/display memory (288Kbytes), real-time JPEG codec, MPEG4 and H263 codec, Audio codec, MP3 and AAC decode, AMR codec, hardware 2Dgraphic Engine, hardware JAVA engine, (mini)SD/MMC...
  • Page 36 3.7.2 Features ------- On-Chip Advance Image Processor -------- Max. Image Resolution: 1600(H) * 1200(V) Generic Sensor Interface supports: 2.0M/1.3M/VGA/QVGA CMOS sensors Supports Multi-operating modes: Still (Capture) JPEG picture for MMS H263/3GPP video clip for MMS MPEG4/3GPP video clip for MMS. Real time preview (up to 30f/s) on the phone display Support Linear (fine steps) Zoom Advanced DV functions (MPEG4 + AMR) long recording/playback...
  • Page 37 Transparent overlay Hardware cursor Image rotate Overlay effects for saved pictures such as Photo frame, Sticker image, transparent effects, etc. -------- Voice/Audio Functions -------- Embedded Audio Codec support: Push to talk AMR record/playback AAC/MP3 playback WMA playback MP3 record AAC encode Enhanced AAC+ Real audio playback Build in one 16-bit 48k-sample stereo audio codec for micro-phone input and audio output...
  • Page 38 Power Supply Core power voltage:1.2 V Separated I/O voltages: - 1.8 ~ 3.3 V for Host CPU interface I/Os - 1.8 ~ 3.3 V for sensor interface I/Os - 1.8 ~ 3.3 V for LCD interface I/Os - 1.2V for PLL power - 1.8 ~ 3.3 V for digital audio interface I/Os - 1.8 ~ 3.3 V for GPIO interface I/Os - 1.8 ~ 3.3 V for primary clock in interface I/Os...

  • Page 39: Lcd Interface

    LCD Interface Figure.3-8-1 LCD Interface The IM152FBN6A model is a Color TFT (Main) LCD supplied by LG Innotek. This main LCD has a 1.52 inch diagonally measured active display area with 128(RGB)X128 resolution. Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
  • Page 40 Pin Description -40-...
  • Page 41 Figure. 3-8-2 IM152FBN6A Block Diagram -41-...

  • Page 42: Sim& Micro Sd Card Interface

    3.9 SIM& Micro SD Card Interface Figure.3-9-1 SIM CARD Interface Figure.3-9-2 Micro SD CARD Interface The MT6223 contains a dedicated smart card interface to allow the MCU access to the SIM card. It can operate via 4terminals, using SIMVCC, SIMI/O, SIMRST, SIMCLK The SIMVCC is used to control the external voltage supply to the SIM card.

  • Page 43: Keypad Interface

    3.10 KEYPAD Interface Figure.3-10-1. KEYPAD Interface The keypad can be divided into two parts: one is the keypad interface including 4 columns and 5 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 5 matrix, the key detection block senses the change and recognizes if a key has been pressed or released.

  • Page 44: Battery Charging Block Interface

    3.11 Battery Charging Block Interface Figure.3-11-1 Charging IC Interface The MP26021 is controlled by MT6223. -44-...

  • Page 45: Audio Interface

    3.12 Audio Interface Figure.3-12-1 Main Speaker Interface Figure.3-12-2 Main Microphone&Recevice Interface -45-...
  • Page 46 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 47: Vibrator Interface

    3.13 Vibrator Interface Figure.3-13-1Vibrator Interface This handset has Vibrator operation. Control signal is controlled by MT6223. -47-...

  • Page 48: Key Led Interface

    3.14 Key LED Interface This handset has 8 LEDs that illuminates white color. Control signal is controlled by MT6223 and handset has 3 methods, ON, OFF, Dimming -48-...

  • Page 49: Trouble Shooting

    4. Trouble Shooting Base Band Trouble shooting 4.1 Power On Trouble 4.1 Power On Trouble 4.1 Power On Trouble 4.1 Power On Trouble 4.1.1 Test Point Check Points : - Battery Voltage(Need to over 3.35V) - Power-On key detection(PWRON signal) Voltage Measure pin PART...
  • Page 50 AIT_1V2 AIT_3V3 CAM_1V8 CAM_2V8 -50-...

  • Page 51: Circuit Diagram

    4.1.2 Circuit Diagram AVDD = 2.8V AVDD VDD = 2.8V AVDD U100B B104 1000ohm 75ohm VDD33 AVDD_MBUFL B103 VDD33 AVDD_GSMRFRX C100 C135 VDD33 AVDD_REF C101 C103 AUX_REF 1.00uF 100nF 100nF VDD33_LCD AVDD_PLL 100nF BAVDD_AFE B101 1000ohm AVDD_AFE VMEM C102 C146 VMEM = 1.8V AVSS_AFE AGND_RFE...
  • Page 52 SW_1.2V AIT_1V2 L502 VBAT U501 2.20uH 0805 R531 PAIT_SW PAIT_SW VBAT_1V2 0.00Ohm R513 C524 C525 360Kohm 10.0uF 22.0pF 0603 PAIT_FB C523 4.70uF MODE 0603 R515 Thermal 360Kohm TPS62560DRVR VOUT = 0.6 * ( 1 + R1 / R2 ) USB_3.3V AIT_3V3 VBAT U503...
  • Page 53 4.1.3 Checking Flow Start Check Battery Voltage > 3.35V ? Charge or Change Battery Push Power ON key and Charge or Change Battery check the level change of PWRON key Check the Voltage of Replace U100 LDOs Output 3.35V ? Voltage Measure pin PART The Phone will AIT_1V2...

  • Page 54: Sim Card Trouble

    4.2 SIM Card Trouble 4.2 SIM Card Trouble 4.2 SIM Card Trouble 4.2 SIM Card Trouble 4.2.1 Test Point TP point 4.2.2 Circuit Diagram J201 SIM Connect SIM-06HC3B SIM_CLK SIM_I/O SIM_RST VSIM C204 V208 V209 V210 V212 6 GND 5 VCC R207 100nF 1.0Mohm...
  • Page 55 4.2.3 Checking Flow Start Change the SIM Card . Our phone supports only 2V or 3V Does the SIM Card SIM Card supports 2V or 3V ? Check soling status of J201 and other component Resolder J201 or other component (R201/C203/C204/C205) Change U100 Check TP1 = 2.85V ?

  • Page 56: Vibrator Trouble

    Vibrator Trouble Vibrator Trouble Vibrator Trouble Vibrator Trouble 4.3.1 Test Point TP point 4.3.2 Circuit Diagram VIBRATOR VBAT J202 VBAT_VIB C208 1.00uF D200 SD103AX Y0408A-270350122-0021C VIBRATOR_1 R209 12.0Ohm VIBRATOR 0603 -56-...
  • Page 57 4.3.3 Checking Flow Start Enter the Engineer Mode and set Vibrator ON Check vibrator work Reposition or change properly ? vibrator Check the signal of Change U100 VIBRATOR(TP1) is ok? Change Board -57-...

  • Page 58: Keypad Trouble

    Keypad Trouble Keypad Trouble Keypad Trouble Keypad Trouble 4.4.1 Test Point 4.4.2 Circuit Diagram Main KEY PAD KCOL0 KCOL1 KCOL2 KCOL3 KROW0 S700 S701 S702 S703 SEND SOFT_L SOFT_R KROW1 S704 S705 S706 S707 LEFT RIGHT DOWN KROW2 V701 S708 S709 S710 S711...
  • Page 59 4.4.3 Checking Flow Start Check Metal Dome ? Change Metal Dome Change PCB -59-...

  • Page 60: Rtc Trouble

    RTC Trouble RTC Trouble RTC Trouble RTC Trouble 4.5.1 Test Point Test point 4.5.2 Circuit Diagram -60-...
  • Page 61 4.5.3 Checking Flow Start Is the Frequency about 32kHz ? Replace X100 and try again Check soldering status of C104&C105 is ok? Replace C104&C105 Replace C134 Check Voltage Level of TP1 = 1.5V ? RTC will work properly -61-...

  • Page 62: Key Backlight Trouble

    Key Backlight Trouble Key Backlight Trouble Key Backlight Trouble Key Backlight Trouble 4.6.1 Test Point -62-...

  • Page 63: Keypad Led

    4.6.2 Circuit Diagram KEYPAD LED VBAT LED700 LED701 LED702 LED703 LED704 LED705 LED706 LED707 R700 R701 R702 R703 R704 R705 R706 R707 33.0Ohm 33.0Ohm 33.0Ohm 33.0Ohm 33.0Ohm 33.0Ohm 33.0Ohm 33.0Ohm KP_LED 4.6.3 Checking Flow Start Check signal of TP1 is Replace U100 or Change PCB ok ? Check LED Component...

  • Page 64: Lcm Backlight Trouble

    LCM Backlight Trouble LCM Backlight Trouble LCM Backlight Trouble LCM Backlight Trouble 4.7.1 Test Point 4.7.2 Circuit Diagram BL Driver R528 VBAT U502 LCM_A VBAT_BL C528 1.00uF C529 1.00uF C532 1.00uF LCM_K1 BL_PWM_EN_1 LCM_K2 R516 22.0Ohm BL_PWM_EN EN/SET RESET R517 AAT3192IJQ-1-T1 14.3Kohm R419 <==>...
  • Page 65 4.7.3 Checking Flow Start Check R517=14.3k Replace R517 to 14.3k ohm Check the signal of Replace U100 BL_PWN_EN(TP1) is ok ? Check the signal of Replace U502 U502 output is ok ? Change PCB -65-...

  • Page 66: Lcm Trouble

    LCM Trouble LCM Trouble LCM Trouble LCM Trouble 4.8.1 Test Point 4.8.2 Circuit Diagram 1.5' Inch LCM 25 PIN J501 AIT_VDD LCM_MODE1 MODE1 LCM_ID LCD_ID LCM_VDD_2V8 VDD(2.8V) AIT_LCM_FLM_1 FLM_Vsync LCM_D0_1 C541 V504 LCM_D1_1 LCM_D2_1 1.00uF LCM_D3_1 LCM_D4_1 LCM_D5_1 LCM_D6_1 LCM_D7_1 AIT_VDD LCM_CS0n_1 LCM_VDD_IO...
  • Page 67 4.8.3 Checking Flow Start Check C541(TP1) Change U506 voltage is 2.8V? Check Control Signal and power including soldering Replace U500 or LCM status, as the waveform? Check soldering status Replace J501 of J501 Change PCB -67-...

  • Page 68: Microphone Trouble

    Microphone Trouble Microphone Trouble Microphone Trouble Microphone Trouble 4.9.1 Test Point 4.9.2 Circuit Diagram MIC Input R607 1.00Kohm MICBIASP C615 10.0uF 0603 MIC_GND_1 C613 100nF BB_MICP0 R614 0.00Ohm R615 0.00Ohm R608 Single end MIC. INPUT 1.50Kohm MIC_IN MIC_IN_1 C617 100nF L602 100nH BB_MICN0...
  • Page 69 4.9.3 Checking Flow Start Check Voltage Level of C615 Replace U100 (TP1) = 2.5V ? Make a Call Re-solder or Check Component Replace Component status around Mic Re-solder or replace Check status of MIC Microphone Replace U100 or Change -69-...

  • Page 70: Receiver Trouble

    Receiver Trouble Receiver Trouble Receiver Trouble Receiver Trouble 4.10 4.10 4.10 4.10 4.10.1 Test Point 4.10.2 Circuit Diagram RECEIVER J600 EPP0_1 L600 100nH EPP0 V601 C604 C607 SD-1206D-6-1 100pF 33.0pF EPN0_1 L601 100nH EPN0 C606 33.0pF V600 Close to Receiver -70-...
  • Page 71 4.10.3 Checking Flow Start Make a Call Check Component status Re-solder or Replace (V600, V601) the Component Check L600, L601 Re-solder or Replace (TP1,TP2) the Component L600 & L601 bias will fluctuate above 1.2V Check the Contact of Re-solder or Receiver replace Receiver Replace U100 or Change...

  • Page 72: Speaker Trouble

    Speaker Trouble Speaker Trouble Speaker Trouble Speaker Trouble 4.11 4.11 4.11 4.11 4.11.1 Test Point 4.11.2 Circuit Diagram SPEAKER AMP C624 R604 R602 110Kohm 0.00Ohm 0603 J601 SPK_OUTP SPK_OUTP_1 C625 R603 110Kohm V605 YD-1813TS-2 EP2 BOM: ETK4992 C626 (311-0000-00786) R600 U601 TPA6202A1ZQVR 100pF 10.0Kohm...
  • Page 73 4.11.3 Checking Flow Start Turn On the sound Check the signal of Change U601 C628(TP1)&C629(TP2 ) is ok ? Check the V604 & Change V604&v605 V605 is ok? Check the Level of Check U100 (MTK6223) R613 = Low ? Check the R604 & R605 is ok? Re-solder or change R604 &...

  • Page 74: Headphone Trouble

    Headphone Trouble Headphone Trouble Headphone Trouble Headphone Trouble 4.12 4.12 4.12 4.12 4.12.1 Test Point 4.12.2 Circuit Diagram VBAT C413 100nF VCHG_VUSB J400 VAUX U402 HP_L_1 USB_DN_1 USB_DN_2 R401 0.00Ohm USB_DP_2 R402 0.00Ohm SEL1 HP_R_1 HP_MIC_2 HP_MIC_3 B402 1000ohm SEL2 USB_DP_1 GU070-5P-SD-E1500 STG5223QTR...
  • Page 75 HP_L C407 47.0uF R416 43.0Ohm HP_OUTL 0805 HP_R C408 47.0uF R411 43.0Ohm HP_OUTR 0805 -75-...
  • Page 76 4.12.3 Checking Flow Start Does the audio profile of the phone change to the earphone mode ? Earphone Acoustic Does waveform at R401&R402(TP1,TP2) Replace U402 or Change the fluctuate ? PCB . Does waveform at Check U500 and component C407&C408(TP3,TP status around U400 4) fluctuate ? Change another Ear-Mic set...

  • Page 77: Charging Trouble

    Charging Trouble Charging Trouble Charging Trouble Charging Trouble 4.13 4.13 4.13 4.13 4.13.1 Test Point 4.13.2 Circuit Diagram VCHG_VUSB CHARGING IC R306 470Kohm VBAT R307 100Kohm U301 MP26021DQ-LF-Z BATT CHG_STATUS ISET CHG_ACOK ACOK CHG_EN R308 47.0Ohm R309 620Ohm R310 R311 100Kohm 100Kohm R312...
  • Page 78 4.13.3 Checking Flow Start I/O Connector(J400) is Re-solder the J400 : well-soldered ? VCHARGE Is the Voltage of TP1 & TP2 Change the charger between 4.8V & 6.4V? The voltage of TP3 & Replace the U301 TP4 is over 2.5V ? Check the voltage of TP5 Check the U100 (MTK6223) .

  • Page 79: Fm Radio Trouble

    FM Radio Trouble FM Radio Trouble FM Radio Trouble FM Radio Trouble 4.14 4.14 4.14 4.14 4.14.1 Test Point 4.14.2 Circuit Diagram VBAT FM Radio VBAT_FM R301 R302 C300 2.20Kohm 2.20Kohm 1.00uF FM_I2C_CLK U300 FM_I2C_DATA 1 SDIO FM_INL_1 C302 100nF FM_INL LOUT C301...
  • Page 80 4.14.3 Checking Flow Start INT-FM or EXT-FM ANT INT FM Check a condition of Ear Jack connector soldering (J400) for Ext-FM-ANT,and check TP 1&2&3&4 voltage level Replace theJ400 A condition is Good ? Check TP5 level Check U100 Check TP6&7 Check U300 waveform? Please check headphone or speakerphone...

  • Page 81: Camera Trouble

    4.15 4.15 Camera Trouble Camera Trouble 4.15 4.15 Camera Trouble Camera Trouble 4.15.1 Test Pointer 4.15.2 Circuit Diagram Camera_1.8V/2.8V VBAT U505 CAM_PWR CAM_1V8 OUT1 CAM_2V8 OUT2 R521 S-1711A1828-I6T1G C545 C543 C544 EN internal pull down 1.00uF 1.00uF 1.00uF 100Kohm -81-...
  • Page 82 CAM_PCLK R500 0.00Ohm C502 V500 PGND CAM_D1 CAM_D2 PGND AVDD PGND MCLK DOVDD AGND DVDD PGND J500 CMS020-B0-0201 -82-...
  • Page 83 4.15.3 Checking Flow Start Are the Voltage of U505 Re-solder the U505 or 2V8(TP1) & 1V8 (TP2)OK ? Change the U505 Is the J500 PCLK(TP3) Re-solder the J500 or 26Mhz ? Change the J500 Check the J500 , is it Replace the J500 soldered OK ? Finish...

  • Page 84: Micro Sd Trouble

    4.16 4.16 Micro SD Trouble Micro SD Trouble 4.16 4.16 Micro SD Trouble Micro SD Trouble 4.16.1 Test Pointer 4.16.2 Circuit Diagram SD power control R211 Mode R210,U201 R211 control AIT_VDD U201 bypass NTA4151PT1G SD_VDD R210 R200 R201 R203 R204 R205 100Kohm Micro SD Card...
  • Page 85 4.16.3 Checking Flow Start Check the J200 , is it Re-solder the J200 or soldered OK ? Change the J200 Is the J200 CLK(TP1) clock Change U500 waveform ? FINISH -85-...

  • Page 86: Rf Trouble

    4.17 RF Trouble X900 JRF8000 U901 U900 U800 REFERENCE PART Description U800 PAM (Power Amp. Module+ASM) X900 DCXO (26MHz) JRF800 Mobile Switch U900 RX SAW Filter U901 Transceiver -86-...
  • Page 87 RF Trouble TEST POINT PAM Matching component JRF800 Antenna Matching component Antenna contact point CIRCUIT Mobile SW Antenna contact point JRF800 Antenna Matching component PAM Matching component -87-...
  • Page 88 CHECKING FLOW Change Antenna Re-solder component Change JRF800 Re-solder component -88-...
  • Page 89 4.17.1 RX Trouble CIRCUIT JRF800 U800 -89-...
  • Page 90 X900 U901 U900 -90-...
  • Page 91 TEST POINT CHECKING FLOW START Setup Test Equipment Cell Power: -74dBm GSM900 CH37 DCS1800 CH699 Check point. DCXO (X900) Check point. Mobile SW & SAW Filter (JRF800,U900) Re-Download Software & Calibration -91-...
  • Page 92 RX Trouble (1) Checking DCXO Circuit TEST POINT CHECKING FLOW Is the waveform of Pin3 similar to Replace X900 DCXO(X900) waveform DCXO Circuit is OK. See next page to check PLL Circuit. WAVE FORM CIRCUIT -92-...
  • Page 93 RX Trouble TEST POINT CHECK FLOW Check JRF800 With RF cable Signal is Replace Mobile SW (JRF800) Replace SAW Check TP3,4 and Filter (U900) 5,6 of U900 Replace U901 Mobile SW & ASM is OK. Check U901 is ok ? Replace Check I/Q Signal of U100 is OK?
  • Page 94 4.17.2 TX Trouble TEST POINT CHECKING FLOW Setup Test Equipment Cell Power : -74d Bm GSM900 CH37 DCS1800 CH699 Check point DCXO (X900) Check point (U901) output signal Check point PAM(U800) control point Check ASM & mobile SW & SAW (JRF800,U900) Re-Download S/W &...
  • Page 95 TEST POINT Signal configuration CHECKING FLOW Mode EGSM900 PCS1800 Check control signal (TP,7,8,9) TXON_PA (TP8) H(2.7V) H(2.7V) Change U100 BS (TP7) H(2.7V) VLOGIC (TP9) H(2.7V) H(2.7V) PAM Control Signal is OK? See next page to check Mobile SW Circuit. Mode EGSM900 PCS1800 TXON_PA (TP8)
  • Page 96 TX Trouble TEST POINT -96-...
  • Page 97 CHECKING FLOW Setup Test Equipment Cell Power : -74d Bm GSM900 CH37 DCS1800 CH699 Check the signal of Replace X900 DCXO (X900) is ok ? Check point (U901) Replace U901 is ok ? output signal Check control signal Replace U100 (TP,7,8,9)is ok? Check PA ( U800)

  • Page 98: Download

    5.DOWNLOAD 5.1 Download setup -98-...

  • Page 99: Download Process

    5.2 Download Process LEO Download Tool Tools 1. Download cable(USB Serial Port) 2. PC 3. Battery (3.8 V Li-ion Battery) How to install Leo download tool 1. You must install “Prolific USB-to-Serial Comm Port” driver firs t before installing this program, and then double click the “Setup.msi”...
  • Page 100 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. -100-...
  • Page 101 5. You can see the below Installing picture, and then click the “Close” button installation complete. -101-...
  • Page 102 How to use Leo download tool For example: GB190-00-V09c-CIS-XX-JUL-27-2009 1.Connect Download cable with computer, and then double click the” LEO Download Tool”. 2.you can see the below picture. -102-...
  • Page 103 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 104 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. -104-...
  • Page 105 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. -105-...
  • Page 106 9.If download failed, you will see the below picture. Attention: If appear failed image, Please try close LEO and try open again. -106-...

  • Page 107: Block Diagram

    6. BLOCK DIAGRAM -107-...

  • Page 108: Circuit Diagrma

    7. CIRCUIT DIAGRMA -108-...
  • Page 109 -109-...
  • Page 110 -110-...
  • Page 111 -111-...
  • Page 112 -112-...
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  • Page 114 -114-...
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  • Page 116 -116-...

  • Page 117: Bga Ic Pin Check

    8. BGA IC PIN Check 8.1 BGA PIN Check of main chip (MT6223) BB_MT6223 (U100) BGA use BGA non-us -117-...
  • Page 118 8.2 BGA PIN Check of Memory (PF38F4050M0Y0CG) PF38F4050M0Y0CG (U200) BGA use BGA non-use -118-...
  • Page 119 8.3 BGA PIN Check of LCM chip (AIT706X) AIT706 X (U500) BGA use BGA non-use -119-...

  • Page 120: Pcb Layout

    9. PCB LAYOUT -120-...
  • Page 121 J202 Vibrator PAD No Vibrator J500 camera connector Camera not working J400 I/O connecter No charging etc J601 Speaker PAD No speaker J300 Battery Connector No Charging J501 LCM connector No display U200 Memory No Booting U500 LCM & U100 BB chipset Camera module (MT6225) LCM &...

  • Page 122: 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 123 4 MMI Tests Auto test SHOW, IMEI, SW Version Echo Loop ANTENNA TEST Version Keypad Vibrator Loud Spk Ring Tone 10. LED 11. LCD 12. Receiver 13. ADC 14. Charger 15. Headset 16. RTC 17. MTBF 18. UART 19. Memory card 20.
  • Page 124 Work Flow -124-...

  • Page 125: 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. Charger Test Check the charger fucntoin is correct or not and charging current. 2 .LCD+Melody LCD Backlight, LCD pattern and MIDI melody playing. 3 .Backlight+Vibrator The LCD backlight and keypad backlight with Vibrator on/off on every 0.5sec.

  • Page 126: Calibration

    11.CALIBRATION 11.1 Test Equipment set up -126-...

  • Page 127: 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 128 The following diagrams depict the system setups when using the Agilent test platform. Connect 8960, power supply , computer ,phone -128-...
  • Page 129 When install the MTK ATE tool, first install driver. In turn execute CF06PP_INST_DRIVERS_663XXA.exe, winnt_8960_e1960.exe, 230x-850a01.exe. -129-...
  • Page 130 -130-...
  • Page 131 Second , to install the MTK ATE tool, execute the KG195 \ 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 KP320 \ Volume1 \setup.exe file.
  • Page 132 Execute Measurement & Automation to check equipment address Choose Devices and Interfaces -132-...
  • Page 133 You can see your equipment address Choose MTK_EU_ SETUP_090218.ini and open the file to setup from data files . （ （ （ （ For example: GB190） ） ） ） -133-...
  • Page 134 Setup your CMU Base GPIB address and power supply address -134-...
  • Page 135 ATE Tool system setting Execute MTK _ ate demo Press Report & System button -135-...
  • Page 136 Setting your equipment Setting your power supply type Choose your Power Supply Type -136-...
  • Page 137 Setting your GSM/EDGE Tester Choose your Tester Choose your download com port Choose your download cable connect COM port -137-...
  • Page 138 Choose “select test setup file” To select the setup file in this icon (For example: MTK_EU_ SETUP_090218.ini) Execute MTK _ ate demo again -138-...
  • Page 139 Choose Calibration INI To select the ini file in this icon (For example: Rachel_calibrated prarmeters_20090414.ini) Choose Con fig File To select the CFG file in this icon (For example: Meta_Rachel_EU_20090420.CFG) Choose NVRAM Database file To select the SW database in this icon. -139-...
  • Page 140 How to setup your test report location Choose my computer Choose “C” disk -140-...
  • Page 141 Choose “program files” Choose “Program Files \ATE Tools KP199_KP320_KM330_KM335_KC530”file -141-...
  • Page 142 Setup new file and leave the window Execute MTK _ atedemo -142-...
  • Page 143 Press Report & System button Press “select test report location” -143-...
  • Page 144 Choose your setup report Press “Done” -144-...
  • Page 145 Setup finish When you finish the setup then you press save change icon. -145-...
  • Page 146 Press Configuration choose Cal Setting Setting your cable loss -146-...
  • Page 147 Press Done to save Press Configuration choose Final setting -147-...
  • Page 148 Choose “MT Call” from Establish Call Type Key in your test SIM card number form IMSI NUMBER Press “Done” and save your setting -148-...
  • Page 149 If you want calibration , you can press “initial calibration” Press Calibration Test -149-...
  • Page 150 Key-in your phone bar Code Press your phone of power on key and Start calibration -150-...
  • Page 151 Calibration is ok and will show “PASS” You can see the test report -151-...
  • Page 152 If you want final test , you can press “initial final test “ -152-...
  • Page 153 Press “RF Final test” -153-...
  • Page 154 Handset to insert SIM card Key-in bar code or IMEI number power on handset -154-...
  • Page 155 ATE start final test -155-...
  • Page 156 If ATE test finish , ATE will show pass -156-...
  • Page 157 You can see the test report -157-...
  • Page 158 If you want initial cal and final test , you can press “initial cal and final test” -158-...
  • Page 159 Press “Cal & Final” -159-...
  • Page 160 1.Handset to insert SIM card 2.Key-in bar code or IMEI number 3.Power on handset -160-...
  • Page 161 Start calibration -161-...
  • Page 162 Calibration finish and power on handset again -162-...
  • Page 163 Start final test -163-...
  • Page 164 Finish “Cal & Final test” -164-...
  • Page 165 Ate show the test report -165-...

  • Page 166: Stand Alone Test

    12. STAND ALONE TEST 12.1Test 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 RX power : -85 4 dBm for GSM900, DCS1800, PCS1900 -166-...

  • Page 167: 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” -167-...
  • Page 168 (4) Install Process – press “Next” -168-...
  • Page 169 (5) Install Process – press “Next” (6) Install Process -169-...
  • Page 170 (7) Install Process – press “Finish” -170-...
  • Page 171 12.3 RF RX Check : (1) Open “ Meta_RF_Tool ” (2) Pull in UART cable (3) Inset RF-Cable (AG8960) (3) RF cable (2) UART cable (4) Select proper com port and press “Reconnect”. 1. Select com 2. Press “Reconnect” Turn on the mobile phone. Shows “connect with target” after link up the MS in engineer mode. Select “RF Tool”.

  • Page 172: Rx Test

    RX Test (AG8960) --- A. to set “BCH Parms” B. to set input values in Gain sweep of RF tool the same as equipment. 1.Select Band (GSM/DCS/PCS) 2 Set channel members 3. Press “Start” RX Test --- check values of Ant. Power with Cell power inside +/- 4 dBm. -172-...
  • Page 173 12.4RF TX Check : (1) Open “ Meta_RF_Tool ” (2) Pull in UART cable (3) Inset RF-Cable (AG8960) (3) RF cable (2) UART cable (4) Select proper com port and press “Reconnect” then turn on the mobile phone. 1. Select com 2.

  • Page 174: Tx Test

    (5) TX Test (AG8960) --- Need to set “Band”, “Channel” and “Power Level” the same as equipment. 1.Select Band (GSM/DCS/PCS) 3. Press “Start” 2 Set channel members It is the result to measure output power from equipment in non-signaling mode. check values of Burst Power inside +/- 4 dBm.

  • Page 175: Exploded View&Replacement Part List

    13. EXPLODED VIEW&REPLACEMENT PART LIST 13.1 Exploded view -175-...
  • Page 176 Ass’y exploded view -176-...

  • Page 177: Replacement Part List

    13.2 Replacement Part list Arima part LG part Level Part name Description number number Adapter 331-0000-00136 SSAD0032602 Travel Charger_100~240V_5.10V_700mA_FCC;UL_STA-U34IR_EN50075_HAN SHIN_SUNLIN(WEIHEI)_MICRO USB 5PIN Battery 306-0000-00060 SBPL0088801 Li-ion Battery Cell Packing_3.7V_950mAh_BLACK_LGIP-531A-7115_BYD_Bar code:SBPL0088801 Headset 333-0000-00078 SGEY0003745 Headset Stereo Channel Type_EMB-LGE004MSKJ_16 Ohm_Mic.S/N'58 'dB_- 38 'dB_PT.CRESYN_Micro USB 5PIN...
  • Page 178 .. 2 Rear Cover Ass'y 8M02-7222-E001 ACGM0159901 Rear Cover Sub- Ass'y_7222_GRAY_Rear Cover Sub- Ass'y ... 3 Rear Cabinet 402-72220-0002 MCJN0121701 Rear Cabinet_7222_GRAY_PC_Painting_Rear Cover_A-TEK PRECISION(SUZHOU)_With FM ... 3 Vibrator 320-0000-00047 SJMY0009601 Vibrator Bar Type_Y0408A-270350122-0021C_R2.5+4.40*5.20*12.60mm_LNLON_Spring contact type ... 3 LOUD SPEAKER 313-0000-00135 SUSY0029201 LOUD SPEAKER_YD-1813TS-2_13 * 18 mm_8 Ohm_93.0dB_CHANG ZHOU YU CHENG_±3dB,H=3.8mm,Spring contact ...
  • Page 179 ..5 U400 311-0000-00875 EUSY0399501 I.C ANALOG SWITCH_ET3157_SC70_6 PIN_NoMemory_ETEK_N/A ..5 U401,U402 311-0000-00881 EUSY0377101 I.C ANALOG SWITCH_ET5223_QFN_10 PINS_NoMemory_ETEK_SPDT SWITCH ..5 U301 311-0000-00632 EUSY0377301 I.C CHARGE_MP26021DQ-LF-Z_QFN_10 PINS_NoMemory_MPS_FOR Li-ion BATTERY,2.8V/1A ..5 U505 311-0000-00672 EUSY0387501 I.C LDO_S-1711A1828-I6T1G_SNT-6A_6 pin_NoMemory_SII_Vo=150mA,V1=1.8V,V2=2.8V, 1% ..5 U601 311-0000-00786 EUSY0399601 I.C AUDIO POWER AMPLIFIER_ETk4992_WLCSP_8 BALLS_NoMemory_ETEK_Vo=3.6v,0.6w,8ohm ..
  • Page 180 ..5 J400 314-0000-00430 ENRY0009701 CON. MICRO USB CONNECTOR_GU073-5P-SD-E1500_0.650 mm_5 pin_LS MTRON_H=3mm ..5 J501 314-0000-00422 ENQY0015601 CON. FPC CONNECTOR_04-6293-625-005-829+_0.300 mm_25 pin_KYOCERA ELCO_H=0.85mm ..5 U900 326-0000-00117 SFSY0038501 Filter SAW_B39182B9308G110_942.5MHz/1842.5MHz_EPCOS_FOR GSM RX,50/150 OHM-SMD10PIN ... 3 METAL DOME 415-72150-0007 ADCA0104001 DOME_7215_SILVER_STAINLESS STEEL_N/A_METAL DOME_PRINTEC_N/A ...

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