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AnyDATA EMII-1900 Service Manual

1.9g cdma wireless kit
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Interface Description
EMII-1900 Service Manual Application Information
SERVICE MANUAL
1.9G CDMA Wireless Kit
EMII-1900
AnyDATA.NET Inc.
Hanvit Bank B/D 6F
Byulyang-dong Kwachon
KOREA
Tel) 82-2-504-3360
Fax) 82-2-504-3362
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions

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  • Page 1 Interface Description EMII-1900 Service Manual Application Information SERVICE MANUAL 1.9G CDMA Wireless Kit EMII-1900 AnyDATA.NET Inc. Hanvit Bank B/D 6F Byulyang-dong Kwachon KOREA Tel) 82-2-504-3360 Fax) 82-2-504-3362 EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...
  • Page 2 AnyDATA.NET Inc. assumes no responsibility for any loss or claims by third parties, which may arise through the use of its products. AnyDATA.NET Inc. assumes no responsibility for any damage or loss caused by the deletion or loss of data as a result of malfunctions or repairs.
  • Page 3 Interface Description EMII-1900 Service Manual Application Information CAUTION Operating Requirements The user can not make any changes or modifications not expressly approved by the party responsible for compliance, otherwise it could void the user's authority to operate the equipment. To satisfy FCC RF exposure compliance requirements for a mobile transmitting device, this device and its antenna should generally maintain a separation distance of 20cm or more from a person…s body.

  • Page 4: Table Of Contents

    Interface Description EMII-1900 Service Manual Application Information Table of Contents General Introduction ..........................2 CHAPTER 1. System Introduction 1. System Introduction ....................3 2. Features and Advantages of CDMA Module ............4 3. Structure and Functions of CDMA Module ............. 7 4.
  • Page 5 Interface Description EMII-1900 Service Manual Application Information General Introduction EMII-1900 functions digital cellular module worked in CDMA (Code Division Multiple Access) mode. CDMA type digital mode applies DSSS (Direct Sequence Spread Spectrum) mode which is used in military. This feature enables the phone to keep communication from being crossed and use one frequency channel by multiple users in the same specific area, resulting that it increases the capacity 10 times more compared with that in the analog mode currently used.

  • Page 6: Chapter 1. System Introduction

    EMII-1900 CHAPTER 1. System Introduction 1. System Introduction 1.1 CDMA Abstract The cellular system has a channel hand-off function that is used for collecting the information on the locations and movements of radio mobile telephones from the cell site by automatically controlling several cell site through the setup of data transmission routes and thus, enabling one switching system to carry out the automatic remote adjustment.

  • Page 7: Features And Advantages Of Cdma Module

    Interface Description EMII-1900 Service Manual Application Information 2. Features and Advantages of CDMA Module 2.1 Various Types of Diversities In the CDMA broadband modulation(1.25MHz band), three types of diversities (time, frequency, and space) are used to reduce serious fading problems generated from radio channels in order to obtain high-quality calls.
  • Page 8 Interface Description EMII-1900 Service Manual Application Information 2.3 Voice Encoder and Variable Data Speed The bi-directional voice service having variable data speed provides voice communication which employs voice encoder algorithm having power variable data rate between the mobile telephone cell site and mobile station. On the other hand, the transmit voice encoder performs voice sampling and then, creates encoded voice packets to be sent out to the receive voice encoder, whereas the receive voice encoder demodulates the received voice packets into voice samples.
  • Page 9 Interface Description EMII-1900 Service Manual Application Information and accordingly, interference is reduced by 1/3 on the average and the capacity that can be supported by the entire system is increased by three times. 2.7 Soft Capacity The subscriber capacity of CDMA system is flexible depending on the relation between the number of users and service classes.

  • Page 10: Structure And Functions Of Cdma Module

    Interface Description EMII-1900 Service Manual Application Information 3. Structure and Functions of CDMA Module The mobile station of CDMA system is made up of a radio frequency part and logic/control (digital) part. The mobile station antenna is connected with the transmitter/receiver via a duplexer filter so that it can carry out the transmit/receive function at the same time.

  • Page 11: Specification

    Interface Description EMII-1900 Service Manual Application Information 4. Specification 4.1 General Specification 4.1.1 Transmit/Receive Frequency Interval : 80 MHz 4.1.2 Number of Channels (Channel Bandwidth) CDMA : 42 CH (BW: 1.23MHz) 41.3 Operating Voltage : DC 6~12V 4.1.4 Operating Temperature : -30 ° ~ +60 °...
  • Page 12 Interface Description EMII-1900 Service Manual Application Information 4.3 Transmit Specification 4.3.1 Frequency Range 1851.25MHz ~ 1908.75MHz 4.3.2 Local Oscillating Frequency Range : 1749.62MHz 30MHz 4.3.3 Intermediate Frequency : 130.38 MHz 4.3.4 Max Output Power CDMA : 0.3W 4.3.5 Interference Rejection 1) Single Tone : -101dBm with Jammer of -30dBm at 1.25MHz...
  • Page 13 Interface Description EMII-1900 Service Manual Application Information 4.4 MS (Mobile Station) Transmitter Frequency FA NO. CH.NO. CENTER FREQUENCY FA NO. CH.NO. CENTER FREQUENCY 1851.25 MHz 1880.00 MHz 1852.50MHz 1881.25 MHz 1853.75 MHz 1882.50 MHz 1855.00 MHz 1883.75 MHz 1856.25 MHz 1886.25 MHz...
  • Page 14 Interface Description EMII-1900 Service Manual Application Information 4.5 MS (Mobile Station) Receiver Frequency FA NO. CH.NO. CENTER FREQUENCY FA NO. CH.NO. CENTER FREQUENCY 1931.25 MHz 1960.00 MHz 1932.50MHz 1961.25 MHz 1933.75 MHz 1962.50 MHz 1935.00 MHz 1963.75 MHz 1936.25 MHz 1966.25 MHz...

  • Page 15: Chapter 2. Nam Input Method(Inputting Of Telephone Numbers Included)

    Interface Description EMII-1900 Service Manual Application Information CHAPTER 2. NAM Input Method 1.INSTALLATION METHOD HeadSet Power Supply (6~12V) 8 Pin to 9 Pin Cable COM1 1) Supply the voltage of 6~12V 2pin Connector of the EMII-1900. 2) Connect the UART1 to PC COM1 port with the RS-232C cable.
  • Page 16 Interface Description EMII-1900 Service Manual Application Information 2. OPERATION METHOD 1) Run PSTDM program at Windows95 or Windows98 2) Set Buad rate to the modem…s. 3) Click [DM mode] EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...
  • Page 17 Interface Description EMII-1900 Service Manual Application Information 4) If OK is displayed in the message box, modem is now ready for communication with PC. 5) Click MENU BAR icon. EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...
  • Page 18 Interface Description EMII-1900 Service Manual Application Information SCRIPTINPUT WINDOW 6) As shown in the picture above, service file input plane will be displayed (See if clock is running. If it isn…t, communication with PC is not activated. Repeat step 1 through 5, or reset the power of modem and repeat step 1 through 5 ) 7) Type NAM Programming script like the example shown below, <NAM Programming script example>...

  • Page 19: Chapter 3. Circuit Description

    Interface Description EMII-1900 Service Manual Application Information CHAPTER 3. Circuit Description 1. Overview RFT3100 receives modulated digital signals from the MSM of the digital circuit and then, changes them into analog signals by the digital/analog converter (DAC, D/A Converter) in order to create baseband signals. Created baseband signals are changed into IF signals by RFT3100 and then, fed into the Mixer after going through AGC.
  • Page 20 Interface Description EMII-1900 Service Manual Application Information 2.3. Transmit End Bandpass Filter (F102, F103) Transmit signals that have been converted from IF signals into RF signals after passing through the RFT3100(U102) are inputted into the Power Amp (U103) after passing once again through RF BPF (F101) in order to filter out noise signals amplified during the amplification of RF signals after going through RFT3100(U102).
  • Page 21 Interface Description EMII-1900 Service Manual Application Information 2.5.2 UHF Band Frequency Synthesizer (U202) Reference frequency that can be inputted to U202 is 3MHz~40MHz. It is the dual mode frequency synthesizer (PLL) that can synthesize the frequencies of RF band 50MHz~1200MHz and IF band 20MHz~300MHz.

  • Page 22: Digital/Voice Processing Part

    Interface Description EMII-1900 Service Manual Application Information 3. Digital/Voice Processing Part 3.1 Overview The digital/voice processing part processes the user's commands and processes all the digital and voice signal processing in order to operate in the phone. The digital/voice processing part is made up of a receptacle part, voice processing part, mobile station modem part, memory part, and power supply part.
  • Page 23 Interface Description EMII-1900 Service Manual Application Information 3.3 Circuit Description Receptacle Ringer MSM5105 MCP(16M+ Earpiece AUDIO Processor Power Supply [Figure 3-1] Block Diagram of Digital/Voice Processing Part 3.3.1 MSM Part MSM5105, which is U401, is the core element of CDMA system terminal that includes ARM7TDMI microprocessor core.
  • Page 24 Interface Description EMII-1900 Service Manual Application Information 3.3.2 Memory Part Memory part, MCP consists of 16M Flash memory and 4M static RAM. In the MCP, there are programs used for terminal operation. The programs can be changed through down loading after the assembling of terminals and data generated during the terminal operation are stored temporarily and non-volatile data such as unique numbers (ESN) of terminals are stored.
  • Page 25 Interface Description EMII-1900 Service Manual Application Information 4. Level Translator Part 4.1 EMII-1900 supply power to Modem(4.0V). [Fig 4-1] The Block Diagram of Source (in brief) 4.2 UART Interface The Universal Asynchronous Receiver Transmitter (UART) communicates with serial data that conforms the RS-232 Interface protocol.
  • Page 26 Interface Description EMII-1900 Service Manual Application Information 4.2.2 Signal level of RXD/TXD DTS-800 EMII-1900 SIPEX207 MSM_input Vout= 2.8V RS232 MSM_output RS232 PHONE TX01 RX02 TX04 RX03 = 7.68V = 6.50V = 3.00V = 3.9V = -7.68V = -6.64V = 0V...

  • Page 27: Chapter 4. Fcc Notice

    Interface Description EMII-1900 Service Manual Application Information CHAPTER 4. FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 28 Interface Description EMII-1900 Service Manual Application Information APPENDIX 1. Assembly and Disassembly Diagram 2. Block & Circuit Diagram 3. Part List 4. Component Layout EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...
  • Page 29 Interface Description EMII-1900 Service Manual Application Information Assembly and Disassembly Diagram DC6~12V RS232C INPUT IDLE BUSY SMS i PORT AnyDATA EAR-MIC DEBUG CDMA ANT EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...
  • Page 30 Interface Description EMII-1900 Service Manual Application Information 2. Block & Circuit Diagram 2.1. MODEM Block Diagram RF Tx SW437R RFT3100 AB_SEL Tx IF Tank TX Local TX_AGC_ADJ 19.68MHz TX_AGC_ADJ UHF_EN PLL_DATA PLL_CLK DUPLEXER MSM5105 TCXO Rx IF Tank TRK_LO_ADJ EAR &...
  • Page 31 Interface Description EMII-1900 Service Manual Application Information 3. Part List 3-1 DTSS-1900 Partlist COMPONENT NAME DESCRIPTION Lay. DESIGN NUMBER Q'ty LOGIC MSM5105-A208FBGA-TR MSM5105 (208P) BOT U401 IFR3000-48BCCF-TR IFR3000 (48P) BOT U201 RFT31003-32BCCP-TR RFT3100 (32P) BOT U102 MB84VD21182A-85-PBS MCP(16M+4M) BOT U505 MIC5245-3.0VBM5...
  • Page 32 Interface Description EMII-1900 Service Manual Application Information SSP-T6 X-TAL(32.768K-7.0PF) BOT X401 BFP620 BOT Q101 BFP420 BUFFER AMP BOT Q201 SW437 SW-437 TOP SW102 MCA-ST-00T MOBLE SWITHCH BOT SW101 INDUCTOR 0603CS-22NXG-BC CHIP COIL(2%) TOP L203 0603CS-27NXG-BC CHIP COIL(2%) BOT L113 0603CS-39NXG-BC...
  • Page 33 Interface Description EMII-1900 Service Manual Application Information GRM36C0G180J50PT 18pF-1005 Cap BOT C130 TOP C211, C213 GRM36COG220J50PT 22pF-1005 Cap GRM36COG240J50PT 24pF-1005 Cap BOT C164, C165 GRM36COG270J50PT 27pF-1005 Cap BOT C246 GRM36C0G390J50PT 39PF-1005 Cap TOP C123, C126 GRM36C0G470J50PT 47pF-1005 Cap BOT C152, C230, C231, C232,...
  • Page 34 Interface Description EMII-1900 Service Manual Application Information BOT C420 GRM36Y5V683Z25PT 68nF-1005 Cap TOP C150 C170, C259, C270, C435, C452, C454, C514, C623 C159, C160, C218, C222, C223, GRM36Y5V104Z25PT 100nF-1005 Cap C226, C228, C229, C235, C260, C265, C286, C287, C291, C423, C424, C426, C428, C701,...
  • Page 35 Interface Description EMII-1900 Service Manual Application Information R301, R302, R303, R308, R309, R317, R318, R319, R320, R321, R322, R323, R324, R325, R326, R327, R328, R329, R340, R341, MCR01MZSJX471 470W 5%-1005 Resistor R342, R343, R344, R345, R346, R347, R348, R349, R350, R351,...
  • Page 36 Interface Description EMII-1900 Service Manual Application Information DTSS-1800 TOP COVER TOP COVER DTSS-1800 TOP FRAME TOP FRAME DTSS-1800 BOT COVER BOT COVER DTSS-1800 BOT FRAME BOT FRAME DTSS-1800 LABEL LABEL TOP R150, R107, R142, R254, R370 RESISTOR BOT R106, R155...
  • Page 37 Interface Description EMII-1900 Service Manual Application Information R46,R47 R7,R8,R9,R34,R35, 16 MCR03MZSJX101 RESISTOR(1608) 100R ROHM R36,R37 17 MCR03MZSJX332 RESISTOR(1608) 3.3K R1,R2,R3 ROHM 18 MCR03MZSJX472 RESISTOR(1608) 4.7K ROHM 19 MCR03MZSJX103 RESISTOR(1608) 10K ROHM CAPACITOR 20 GR39COG471J50PT 470pF -1608 -capacitor MURATA 21 TA-035TCMR10M-AR TANTAL 0.1uF/35V...
  • Page 38 Interface Description EMII-1900 Service Manual Application Information 4. Component Layout EMII-1900 V1.0 AnyDATA.NET Proprietary Use Subject to Restrictions...

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