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1.2 MMI PART

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Summary of Contents for SP-770

Page 1: ...SP 770 AS Manual GSM GPRS Cellular Phone SKYSPRING VITELCOM...

Page 2: ...4 3 Synthesizer Frequency Programming for TX Mode 1 2 4 4 Digital Calibration Loop 1 2 4 5 Fast Acquisition System 1 2 4 5 Voltage Control Crystal Oscillator 1 2 4 6 Regulator 2 BASEBAND Part 2 1 Int...

Page 3: ...ower Management System 3 1 Feature 3 2 Application 3 3 General Description 3 4 Detailed Description Overview 3 4 1 Low Dropout Regulator LDOs and Reference 3 4 2 Digital Core LDO Vcore 3 4 3 Digital I...

Page 4: ...MAGE SENSOR 5 4 1 Block Diagram Description SECTION2 SCHEMATIC LAYOUT 1 MAIN PART SCHEMATIC LAYOUT 1 1 BASEBAND PART 1 2 MMI PART 1 3 RF PART 2 MAIN KEY PART SCHEMATIC LAYOUT 3 LCD SCHEMATIC LAYOUT SE...

Page 5: ...on 4 Vibrator not in operation 5 MP3 Play not in operation 6 Camera Play not in operation 7 FM Radio Play Error 8 Charging error 9 Bluetooth error 10 GSM RX TX Power SECTION7 How to use Flash Tool Man...

Page 6: ...SECTION1 SP 770 PRODUCT OVERVIEW...

Page 7: ...Regulators Built in low noise low dropout LDO regulators Low power consumption QFN Quad Flat Non lead Package 56 pin SMD 3 wire serial interface MT6120 is fabricated using a 0 35 m BiCMOS process 1 1...

Page 8: ...a down set paddle for additional grounding A functional block diagram of the MT6120 and its pin assignment are shown in Figure 1 1 1 4 MT6120 Function Block Diagram Figure 1 MT6120 Function Block Dia...

Page 9: ...Following the LNAs are the image rejection quadrature RF mixers that down convert the RF signal to the IF frequency No external components are needed at the output of the RF mixers The IF signal is th...

Page 10: ...number N The prescaler is based on a multi modulus architecture with programmable divider numbers ranging from 64 to 127 A conventional digital type PFD with a charge pump is used for phase comparison...

Page 11: ...tial frequency error is dealt with by the integrated calibration loop the overall locking time can be drastically reduced irrespective of the desired frequency 1 2 4 5 Fast Acquisition System After th...

Page 12: ...ermore the VCXO control pin can be tied to VCCVCXO to prevent the current leakage during the sleep mode operation 1 2 4 6 Regulator The MT6120 internal regulators provide low noise stable temperature...

Page 13: ...superb processing power along with high bandwidth architecture and dedicated hardware support provides an unprecedented platform for high performance GPRS Class 12 MODEM and leading edge multimedia ap...

Page 14: ...can also be used to connect to legacy devices such as Color Parallel LCD and multi media companion chip are all supported through this interface To minimize power consumption and ensure low noise thi...

Page 15: ...ducers The audio interface integrates D A and A D Converters for Voice band as well as high resolution Stereo D A Converters for Audio band In addition MT6228 also provides Stereo Input and Analog Mux...

Page 16: ...erformance multi layer AMB bus Java hardware acceleration for fast Java based games and applets Operating frequency 26 52 104 Mhz Dedicated DMA bus 14DMA channels 1M bits on chip SRAM 256k bits CODE c...

Page 17: ...ard secure Digital Memory Card Memory stick Pro host controller with flexible I O voltage Power support SDIO interface for SDIO peripherals as well as WIFI connectivity DAI PCM and 12S interface for A...

Page 18: ...ng Programmable GSM GPRS Modem Packet Switched Data with CS1 CS2 CS3 CS4 coding schemes GSM Circuit Switch Data GPRS Class 12 2 3 3 Voice interface and Voice Front End Two microphone inputs sharing on...

Page 19: ...Compliant Supports progressive image processing to minimize storage space requirement Supports reload able DMA for VLD stream 2 4 6 JPEG Encoder ISO IEC 10918 1 JPEG baseline mode ISO IEC 10918 2 Com...

Page 20: ...P VOP Half pel DC prediction Unrestricted MV Reversible VLC Short Header Supports encoding motion vector of range up to 64 63 6 pixels HE AAC decode support AAC AMR WB AMR audio decode support AMR WB...

Page 21: ...or the digital signal processor Specifically MT6228 consists of the following subsystems Microcontroller Unit MCU Subsystem includes and ARM7EJ S RISC processor and its accompanying memory management...

Page 22: ...re available for power up during battery charging keypad interface and RTC alarm The MT6305 is optimized for maximum battery life featuring a ground current of only 107 A and 187 A when the phone is i...

Page 23: ...hat are optimized for their given functions by balancing quiescent current dropout voltage line load regulation ripple rejection and output noise 3 4 2 Digital Core LDO Vcore The digital core LDO is a...

Page 24: ...is always on except battery voltage below 2 5V 3 4 7 Memory LDO Vm The memory LDO is a regulator that could source 150mA max with 1 8V or 2 8V output voltage selection based on the supply specs of mem...

Page 25: ...PWRKEY low is the normal way of turning on the handset This will turn on Vcore Vio Vm LDOs as long as the PWRKEY is held low The Vtcxo and Va LDOs is turned on when SRCLKEN is high The microprocessor...

Page 26: ...enable the LDOs 3 5 5 Battery Charger The MT6305 battery charger can be used with Li ion and NiMH batteries BATUSE pin can set MT6305 to fit the battery type When BATUSE is set low Li ion battery is u...

Page 27: ...Figure4 Battery Charger Flow chart...

Page 28: ...um Arsenide GaAs die one Heterojunction Bipolar Transistor HBT PA block supports the GSM850 bands and the other supports the DCS1800 and PCS1900 bands Both PA blocks share common power supply pins to...

Page 29: ...the system clock Burst read single bit write operation Special Function Support PASR Partial Array Self Refresh Internal TCSR Temperature Compensated Self Refresh DS Driver Strength DPD Deep Power Dow...

Page 30: ...F1G08R0A 1 65V 1 95V 3 3V device K9F1G08U0A 2 7 V 3 6 V Organization Memory Cell Array 128M 4 096K bit x 8bit Data Register 2K 64 bit x8bit Cache Register 2K 64 bit x8bit Automatic Program and Erase P...

Page 31: ...ion Offered in 128Mx8bit the K9F1G08X0A is 1G bit with spare 32M bit capacity Its NAND cell provides the most cost effective solution for the solid state mass storage market A program operation can be...

Page 32: ...Nematic mode 262k colors LCD Driver IC Main LCD S6D0129 1 chip for Gate Source Driver Sub LCD LGDP4511 1 chip for Gate Source Driver Interface Main LCD 18 bit CPU interface Sub LCD 18 bit CPU interfac...

Page 33: ...ating in the normally white mode This TFT LCD has a 2 2 inch diagonally measured active display area with 240 RGB 320 resolution and a 1 2 inch sub LCD diagonally measured active display area with 128...

Page 34: ...eadout Once a row has been read the data from the columns is sequenced through an analog signal chain providing offset correction and gain and then through an ADC The output from the ADC is a 10 bit v...

Page 35: ...rallel pixel data stream qualified by an output data clock PIXCLK together with LINE_VALID and FRAME_VALID signals Additional functionality is required to support the SMIA standard This includes a hor...

Page 36: ...SECTION2 SCHEMATIC LAYOUT 1 MAIN PART SCHEMATIC LAYOUT 1 1 BASEBAND PART...

Page 37: ...1 2 MMI PART...

Page 38: ...1 3 RF PART...

Page 39: ...2 MAIN KEY PART SCHEMATIC LAYOUT...

Page 40: ...3 LCD...

Page 41: ...SECTION3 PCB LAYOUT 1 MAIN PCB 1 1 Location Map of Main PCB Top...

Page 42: ...1 2 Location Map of Main PCB Bottom...

Page 43: ...2 MAIN KEY PCB 2 1 Location Map of Main KEY PCB Top...

Page 44: ...2 2 Location Map of Main KEY PCB Bottom...

Page 45: ...3 LCD PCB...

Page 46: ...SECTION4 MECHANICAL ASSEMBLY...

Page 47: ...Mobile Station Test Set Agilent TDS 340A Oscilloscope Tektronix FLUKE 87 Digital Multi meter Fluke E3631A DC Power Supply Agilent Others Accessory Interface Connector RF Connector 2 CONNECTION OF TES...

Page 48: ...3 LOGIC PART TROUBLESHOOTING...

Page 49: ...ral control port of U950 Does S Crystal Y930 ocillate in 32 768kHz R824 voltage is 2 8 YES YES Check peripheral circuitry of Y930 Check peripheral circuitry of U820 NO Does U900 operate properly NO Ch...

Page 50: ...3 2 Troubleshooting 2 LCD Display Backlight error...

Page 51: ...3 3 Troubleshooting 3 Key push error...

Page 52: ...3 4 Troubleshooting 4 Vibrator error...

Page 53: ...3 5 Troubleshooting 5 MP3 Play error...

Page 54: ...3 6 Troubleshooting 6 Camera Preview error...

Page 55: ...3 7 Troubleshooting 7 FM Radio Play error...

Page 56: ...led properly Is charger output voltage correct END YES YES 1 Reinstall the battery 2 Check if battery voltage is under 2 4V Check voltage of J600 14 pin 5 5 3V NO NO Can see upper 4 8V at Q800 3PIN Ch...

Page 57: ...3 9 Troubleshooting 9 Bluetooth error...

Page 58: ...4 RF PART TROUBLESHOOTING...

Page 59: ...4 1 Troubleshooting 10 RX path check...

Page 60: ...4 2 Troubleshooting 11 TX path check...

Page 61: ...e is alright 3 Check to see if FPCB connecter contact is alright with J631 4 Check LCD Module state and Replace the LCD Module B Backlight error 1 Check the NO 1 pin signal at U510 high 2 Check to see...

Page 62: ...50 in the LCD Module is 1 8V 4 Check to see if Camera control signal and data signal are correct at the B to B connector J631 5 Check to see if the 24pin connector contact in the camera module is corr...

Page 63: ...S 232 connection 2 Operating Environment 2 1 System Requirements OS Windows ME or 2000 XP for PC Hardware PC LT cable which is served by Skyspring vitelcom 3 Installation 3 1 Tool Components Flash Too...

Page 64: ...4 Settings 4 1 Flash Tool setting 1 Firstly Check values of the setting in an Options menu...

Page 65: ...port for connection between mobile phone and PC Operation method Select NFB Base band chip option Select Check base band chip ECO version 2 Download Agent Scatter loading Download Agent Select MTK_Al...

Page 66: ...5 SW Downloading 1 Connect LT cable to the PC 2 Press the Download button...

Page 67: ...3 Connect LT cable to the target mobile phone with power off 4 Completion of downloading...

Page 68: ...5 Memory Formatting 1 Connect LT cable to the PC 2 Press the Format button and then you can see a below picture 3 Press OK button...

Page 69: ...eter is only served in this document 2 Operating Environment 2 1 System Requirements OS Windows ME or 2000 XP for PC Hardware PC USB cable which is served by Skyspring vitelcom 3 Installation 3 1 Exec...

Page 70: ...Fig 2 Please select a directory to install and click Next button again Fig 3 Please confirm installation setting and click Install button...

Page 71: ...Fig 4 The Installation is complete please click Finish button 4 Settings 4 1 META Tools setting 1 Com port setting Select com port to use Fig 5 COM port...

Page 72: ...w to make the back up NVRAM data system parameters 5 1 Connect with target You have to connect target to PC using USB cable after all of settings is complete So you can see Fig 8 Fig 8 Connect with ta...

Page 73: ...download NVRAM DB And then click Change NVRAM DB button to select database_classb file for current SW version Warning You have to use database_classb file for current SW version in the phone 5 3 Back...

Page 74: ...5 4 Save back up NVRAM data as a file Save back up NVRAM data from target as a file...

Page 75: ...ow to restore the back up NVRAM data into target 6 1 Connect with target You have to connect target to PC using USB cable after all of settings is complete So you can see Fig 9 Fig 9 Connect with targ...

Page 76: ...M DB or download NVRAM DB And then click Change NVRAM DB button to select database_classb file for current SW version Warning You have to use database_classb file for current SW version in the phone 6...

Page 77: ...6 4 Download to flash Click download to flash button and then updating parameters is complete...

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