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Summary of Contents for Motorola L7082
- Page 1 L7082 / L7089 Level III Service Manual L7082 - Single Band 1900 MHz GSM L7089 - Tri-band 900 / 1800 / 1900 MHz GSM...
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Page 2: Table Of Contents
L7082 / L7089 CONTENTS Page Number SECTION 1: GENERAL Introduction Motorola service policy for L7082 / L7089 in warranty General Safety Information SECTION 2: L7082 / L7089 DESCRIPTION Specifications of L7082 / L7089 L7082 / L7089 Overview Connector Pinout Talk time, Weight and Volume Matrix... - Page 3 L7082 / L7089 Repair introduction Mechanical repairs Basic modular troubleshooting Software Upgrade Flexing Testing on HP 8922 Testing IrDA Port Testing on Go / NoGo Tester SECTION 7: ACCESSORIES Accessory Statement Mid Rate Charger Information Accessory Listing SECTION 8: GLOSSARY OF TERMS...
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Page 4: Section 1: General
L7082 / L7089 SECTION 1: GENERAL of 48... -
Page 5: Introduction
The scope of this document is to provide the reader with basic information relating to the L7082 / L7089, and also to provide procedures and processes for repairing the units up to and including Level 2 repair. -
Page 6: Motorola Service Policy For L7082 / L7089 In Warranty
1.2.3 Product Support Customers original units will be repaired but not refurbished as standard. Appointed Motorola Service Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited PCB component). The Motorola HTC centres will perform level 4 (full component) repairs. -
Page 7: General Safety Information
In standby mode the mobile telephone will automatically transmit to acknowledge a call if it is not turned off. • Refer to the appropriate section of the product user manual for additional pertinent safety information • All equipment should be serviced only by a Motorola qualified technician. of 48... -
Page 8: Section 2: L7082 / L7089 Description
L7082 / L7089 SECTION 2: L7082 / L7089 DESCRIPTION of 48... -
Page 9: Specifications Of L7082 / L7089
L7082 / L7089 Specifications of L7082 / L7089 General Function Specification Frequency Range GSM 880-915 MHz TX (with EGSM) 925-960 MHz RX Frequency Range DCS 1710-1785 MHz Tx 1805-1880 MHz Rx Frequency Range PCS 1850.2 – 1909.8 MHz Tx 1930.2 – 1989.8 MHz Rx... -
Page 10: L7082 / L7089 Overview
The last 10 calls made and received can also be downloaded allowing databases to be created. The L7082 / L7089 can be placed into IrDA mode via either the quick access menu or through the Phone Set up menu structure ‘ Activated’ will appear on the screen once the feature has been selected followed by ‘Connection Made’... - Page 11 L7082 / L7089 For access to one of the quick access functions the quick access key must first be pressed, a name will then be asked for, if the name is recognised e.g. Battery Meter then the name will be repeated and the corresponding feature e.g.
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Page 12: Connector Pinout
L7082 / L7089 2.3 Connector Pinouts Charger Socket Pin Layout 1.GND 2.SW_RF 3.GND 4.BATT_FDBK 5.MAN_TEST_AD 6.RS232_TX 7.RS232_RX 8.CHG_EN 9.ON_2* 10.GND 11.DSC_IN* 12.DOWNLINK 13.DSC_EN EXT B+ 15.GND Talk Times, Weight and Volume Matrix White holographic film on display Volume Weight Talk Time... -
Page 13: Section 3: Feature List
L7082 / L7089 SECTION 3: FEATURE LIST of 48... -
Page 14: List Of Features Available
L7082 / L7089 List of Features Available Below is the list of Menu functions available at present. Menu Generation Menu Network Phone Book Selection Generation Menu Generation Menu Call Related Call Meters Generation Menu Features Th Generation Menu Generation Menu... -
Page 15: Call Related Features
L7082 / L7089 CALL RELATED FEATURES Show battery meter 1.Show ID on next call Restrict my 2.Restrict ID on next call Phone number Call Diverting 1.On Talk and Fax 2.Off Call waiting 1.On 2.Off 1.Int’l Calls Call Barring Bar outgoing calls 2.Int’l Calls Except home... -
Page 16: Messages
L7082 / L7089 Messages Call Voicemail Received messages Go to Next message Delete Message Return Call 1.Send Message Edit Message 2.Store Message Reply to message Delete all messages Outgoing Messages Go to next message Send message 1.Send message Edit message 2.Store message... -
Page 17: Phone Setup
L7082 / L7089 PHONE SETUP Select phone line Adjust Ring volume Standard Tone Set Message Alert Tone Music tone Standard Tone Set Ringer Tone Music Tone Set Ringer Tone 2 1.On Automatic Lock Phone Lock 2.Off Lock Now Adjust Contrast... -
Page 18: Network Selection
L7082 / L7089 NETWORK SELECTION Available 1.Register Now Networks 2.Make Preferred Registration 1.Automatic Search Network Search Preferences 2.Manual Search 1.Slow Search 2.Medium Search Frequency of 3.Fast Search Search 4.Continuous Search Preferred 1.Choose From Available Add network Networks 2.Choose From Known to List 3.Add new Network Code... -
Page 19: Accessory Setup
L7082 / L7089 ACCESSORY SETUP NB. THIS MENU IS ONLY AVAILABLE WITH EITHER HEADSET PLUGGED IN OR WHEN INSTALLED IN A CAR KIT. 1.ON Mute Car Radio 2.Off 1.On Automatic Answer 2.Off 1.On Automatic Handsfree 2.Off 1.On Safety Timer 2.Off 1.On... -
Page 20: Section 4: Disassembly & Parts
L7082 / L7089 SECTION 4: DISASSEMBLY & PARTS of 48... -
Page 21: Dissasembly Introduction
4.1 Disassembly Introduction The L7082 / L7089 is held together by 6 screws. 2 of these screws are placed under the escutcheon, at the top of the phone.Unlike most products in the past there is no flex that holds the display module, this is held in place with 4 clips. - Page 22 L7082 / L7089 2. Remove battery by 1. Remove battery door pushing and lifting at by pressing down on clip and sliding back. the same time. 3. Press down and push SIM 4. Remove Escutcheon cover to the left, then from rear of unit.
- Page 23 L7082 / L7089 5. Unscrew antenna 6. Unscrew all of the 6 (Anti – Clockwise) screws. 8. Levering from the side 7. Remove the rear opposite the headset socket, from the front housing carefully prize PCB from Front Housing. of 48...
- Page 24 L7082 / L7089 Remove Alert speaker 10. Remove vibrator from rear housing from rear housing 13. Remove keypad 14.Remove flexible strip by from front housing holding the front housing facing downwards and pulling strip up of 48...
- Page 25 L7082 / L7089 15. Carefully press down on 16. Unclip the 4 Service Indicator, if it gets retaining catches remove damaged / scratched during the display module this process, replace. of 48...
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Page 26: Exploded Parts Diagram
L7082 / L7089 Exploded Parts Diagram SUG1175A (Black) 8 (X6) of 48... -
Page 27: Replacement Parts
L7082 / L7089 4.6 Description of Parts for SUG1175A (Black / Flat) *For Part numbers of other variants please consult Level 1&2 parts list) Reference No Description Part Number Spares Transceiver S8505A Front Hsng Assy 0103723S01 Volume buttons 3803750S03 Lens... -
Page 28: Section 5: Sim Cards And Security
L7082 / L7089 SECTION 5: SIM CARDS AND SECURITY of 48... -
Page 29: Manual Test Mode
L7082 / L7089 5.1 Manual Test Mode The GSM Motorola L7082 / L7089 is equipped with a manual test mode capability. This capability allows service personnel to take control of the unit, and by entering certain keypad commands, make the unit performs desired functions. - Page 30 L7082 / L7089 4. Insert card into replacement unit, or unit with new main RF / Logic PCB. 5. Turn unit on wait till ‘Clone’ appears. 6. Enter 03# ‘Please wait’ will be displayed while data is transferred. 7. Repeat steps 1 – 6 but enter 022# at step 2 to transfer data on to Clone card.
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Page 31: Gsm Test Command
L7082 / L7089 5.4 GSM Test Commands This is a list of Level 1 and 2 Test commands available to L7082 / L7089 GSM Test Commands Key Sequence Test Function/Name Table 6.1 Test commands #(hold down for 2 seconds) Enter manual test mode... -
Page 32: Identity And Security
The mechanical Serial Number (MSN) is an individual unit identity number and will remain with the unit throughout the life of the unit. The MSN can be used to log and track a unit on Motorola’s EPPRS system. The MSN is divided into 4 sections. - Page 33 L7082 / L7089 SECTION 6: REPAIR AND TEST PROCEDURES of 48...
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Page 34: Repair Introduction
L7082 / L7089 6.1 Repair Introduction The L7082 / L7089 is divided into 3 main sections when it comes to part replacability: The housings which contains the alert, speaker, mic, the main PCB which contains RF / Logic circuitry and the keypad interface and finally the display module which connects to the main PCB via a elastomer connector. - Page 35 L7082 / L7089 Repair Chart Table 2. GSM L7082 / L7089 Cellular Telephone: Troubleshooting and Repair Chart. (Assembly Replacement Level). SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY Personal telephone will not turn on or a) Battery pack either Measure battery. If the battery voltage is <4.00 V dc,...
- Page 36 L7082 / L7089 SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 4. Incoming call alert transducer a) Faulty alert Transducer Remove suspect alert transducer from rear housing audio distorted or volume is too and replace with known good alert. If fault does not low.
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Page 37: Software Upgrade
L7082 / L7089 SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY b) Reed Switch defective Gain access to RF / Logic PCB as described in the DISASSEMBLY instructions in this manual. Unsolder the reed switch and replace with a known good one. Reassemble unit. -
Page 38: Testing On Hp8922
30cm and although accurate alignment is not neccesary the two should be lined up as well as possible. Note. Software is required for both the L7082 / L7089 IrDA link and also the host IrDA port. A CD Rom will be shipped with the unit to enable data transfer, the drivers for the host IrDA device should be supplied with the device. -
Page 39: Testing On Go / Nogo Tester
L7082 / L7089 Testing on Go / NoGo tester The set up for the GO / NOGO tester must be set up as per above. The tester must be set up as per GSM specifications. The test incorporates the basic live call, during which many of the RF parameters are checked. This test can be ran in ‘Autotest’... -
Page 40: Section 7: Accessories
L7082 / L7089 SECTION 7: ACCESSORIES of 48... -
Page 41: Accessory Statement
L7082 / L7089 7.1 Introduction: The following is a short description of accessories available for the L7082 / L7089, that are currently available, a list of these with corresponding part numbers will follow shortly. • Half Rate travel charger –... -
Page 42: Accessory Listing
L7082 / L7089 Accessory Listing Description Responsible Availability Notes PWR supplies SPN4652 Mid rate switch mode charger WW Accy Mar-99 w/ US folding plug Chargers & plugs SPN4660 Mid rate switch mode charger (China) WW Accy Mar-99 w/ US folding plug... -
Page 43: Section 8: Glossary Of Terms
L7082 / L7089 SECTION 8: GLOSSARY OF TERMS of 48... -
Page 44: List Of Abbreviations
L7082 / L7089 8.1 List of Abbreviations Those marked ** are Motorola specific abbreviations. Micro Ball Grid Array A Interface Interface between MSC and BSS Authentication algorithm Stream cipher algorithm ciphering key generating algorithm Access Burst A-bis Interface between BSC and BTS... - Page 45 L7082 / L7089 Connection Management COLP Connected Line identification Presentation COLR Connected Line identification Restriction CONF Conference Call add on CSPDN Circuit Switched Public Data Network Closed User Group Call Waiting Dummy Burst Distributed Base Station ** DCCH Dedicated Control Channel...
- Page 46 L7082 / L7089 HOLD Call Hold (Supplementary Service) HPLMN Home PLMN Hand Portable Unit Half Rate Hopping Sequence Number Information (frames) International Alphanumeric 5 Identification IMEI International Mobile Equipment Identity Immediate assignment message IMSI International Mobile Subscriber Identity Intelligent Network...
- Page 47 L7082 / L7089 NAMPS North American-Advance Mobile Phone System Normal Burst Network Elements Norme European de Telecommunications Network Management Network Management Center O&M Operations and Maintenance OACSU Off Air Call Set-Up Outgoing Calls Barred OMAP Operations and Maintenance Application Part (previously was OAMP)
- Page 48 L7082 / L7089 Short Message Service SMSCB Short Message Service Call Broadcast SeND Signaling Point SRES Signed RESponse (authentication) Supplementary Service System Simulator Signaling Transfer Point SYSGEN SYStem GENeration Terminal Adapter Timing Advance TCAP Transaction Capabilities Application Part Traffic Channel...
- Page 49 L7082 / L7089 - RF SCHEMATICS...
- Page 50 L7082 / L7089 - AL SCHEMATICS...
- Page 51 L7082 / L7089 - BLOCK DIAGRAM - PAGE 1/2 VDDS KBR0, KBR1, KBR2 H2, H1, H3 C14, F10, G4, H4, K5, P13 VCC_MEMIF J5, J3, J2 to Keyboard KBC0, KBC1, KBC2 KEYPAD A9, A10, C5, K6, K10, M8, M11 BKLT_EN...
- Page 52 L7082 / L7089 - BLOCK DIAGRAM - PAGE 2/2 RX MID CHANNELS GSM: CH 62 -- 947,4 MHz EGSM: CH 37 -- 942,4Mhz RF_V2 DCS: CH 700 -- 1842,8MHz LOCAL Osc. PCS: CH 661 -- 1960MHz 800MHz GSM LNA discrete...
- Page 53 L7082 / L7089 - BOARD LAYOUT - PAGE 1/2...
- Page 54 L7082 / L7089 - BOARD LAYOUT - PAGE 2/2...
- Page 55 L7082 / L7089 - SIGNAL FLOW RX275_GSM RX275 RVCO_PCS RVCO_275 SF_OUT TX275_DPCS V1_SW RF_V2 V1_SW -10V TX_EN V_BOOST1 VREF PLL_EMIT LO2_CP LO2_EMIT PLL_BASE PRE_IN 942,5MHz WHITE_CAP PLL_CP CLK-OUT DISPLAY MAGIC J902 CONN PRSC_IN /CS1 26MHz CP_RX RX_VCO_IC J600 EXT CONN...
- Page 56 L7082 / L7089 - CONNECTOR SCHEMATICS...