Motorola StarTAC 160 Service Manual
  1. Manuals
  2. Brands
  3. Motorola Manuals
  4. Cell Phone
  5. cd 160
  6. Service manual

Motorola StarTAC 160 Service Manual

Hide thumbs Also See for StarTAC 160:
Table of Contents

Advertisement

Quick Links

StarTAC 160 (GSM)
Cellular Subscriber Sector
The World's Leading Cellular
Telephone Manufacturer
Service Manual
Issue 1.0

Advertisement

Table of Contents
loading

Related Manuals for Motorola StarTAC 160

Summary of Contents for Motorola StarTAC 160

  • Page 1 StarTAC 160 (GSM) Cellular Subscriber Sector The World’s Leading Cellular Telephone Manufacturer Service Manual Issue 1.0...

  • Page 2: Preface

    PREFACE StarTAC 160 (GSM) Cellular Subscriber Sector Preface Specifications Table 1: General Function Specification Frequency Range 890-915 MHz TX 935-960 MHz RX Channel Spacing 200 kHz Channels 124 carriers with 8 channels per carrier Modulation GMSK at BT = 0.3...
  • Page 3 StarTAC 160 (GSM) Table 2: Transmitter Function Specification Output Impedance 50 ohms (nominal) Spurious Emissions -36 dBm up to 1 GHz, (<-30 dBm > 1 GHz) Table 3: Receiver Function Specification RF Level -102 dBm RX bit error rate (100 k bits) <...

  • Page 4: Foreword

    Motorola maintains a parts office staffed to process parts orders, identify part numbers, and otherwise assist in the maintenance and repair of Motorola Cellular products. Orders for all parts should be sent to the Motorola International Logis- tics Department at the following address:...

  • Page 5: General Safety Information

    StarTAC 160 (GSM) General Safety Information Portable Operation DO NOT hold the radio so that the antenna DO NOT operate this equipment near elec- is very close to, or touching, exposed parts trical blasting caps or in an explosive atmo- of the body, especially the face or eyes, while sphere.

  • Page 6: Table Of Contents

    CONTENTS StarTAC 160 (GSM) Cellular Subscriber Sector Preface ......iii Disassembly ......19 Introduction .
  • Page 7 StarTAC 160 (GSM) viii Issue 1.0 2/6/98...

  • Page 8: Description

    DESCRIPTION StarTAC 160 (GSM) Cellular Subscriber Sector Description The RF/Logic board houses the RF and Audio/Logic circuitry on separate sides in addition to SIM contacts, the alert, a 16 posi- tion ZIF connector, the microphone, and an Product Description external connector.
  • Page 9 StarTAC 160 (GSM) Issue 1.0 2/6/98...

  • Page 10: Theory Of Operation

    THEORY OF OPERATION StarTAC 160 (GSM) Cellular Subscriber Sector Theory of Operation GSM System Overview Using this technique, radiation on a given channel is virtually contained in the cell operating on that channel and, to some extent, those cells directly adjacent to that cell.
  • Page 11 StarTAC 160 (GSM) It is designed to carry digital voice and The radiotelephones themselves are capable data over existing copper telephone of operation on any channel in the system, cables. The GSM phone will be able to allowing them to operate in any cell. Due to...
  • Page 12 Theory of Operation The data blocks are modulated onto the Signal information provides an indication of carrier using Gaussian Minimum Shift the subscriber’s distance from the base Keying (GMSK), a very efficient method of station. As the radiotelephone moves from phase modulation.
  • Page 13 StarTAC 160 (GSM) Issue 1.0 2/6/98...

  • Page 14: Identity And Security

    Transceiver Labelling the sections shown below. Introduction Figure 4: IMEI Configuration Each Motorola GSM transceiver will be labelled with various number configura- IMEI 15 digits tions. The following information shows and 6 digits...

  • Page 15: Mini Sim Cards

    Ensure that the Mini SIM card sits correctly Introduction in the tray before trying to insert the tray The Motorola GSM StarTAC 160 is designed into the phone. The tray should be to work with the mini size Subscriber Iden- competely and securely seated in the slot on tity Module (SIM).
  • Page 16 Identity and Security To protect the actual unit from unauthorized use, a lock function on the hardware is avail- able. When enabled, this function requires that a three or four digit unlock code be entered, via the units keypad, before normal operation of the transceiver can take place.
  • Page 17 StarTAC 160 (GSM) Issue 1.0 2/6/98...

  • Page 18: Testing

    TESTING StarTAC 160 (GSM) Cellular Subscriber Sector Testing Verification Equipment Configuration Initially insert the test Mini SIM card into Introduction the slot at the side of the personal cellular telephone. If required, further information To test the StarTAC cellular telephone for on Mini SIM card insertion is available on functional verification, the following equip-...
  • Page 19 StarTAC 160 (GSM) Figure 6: Testing Configuration GSM Compatible Communications Analyzer Unit To Be Tested RF In/out Port Test Adaptor (SKN4683A or SKN4665A) Plugs into accessory connector of phone. Issue 1.0 2/6/98...

  • Page 20: Manual Test Mode

    Testing indicating that the unit is now in the Manual Accessing The Manual Test Mode Test Mode. Table 1: “GSM Test Commands” on page 13 shows the available Manual Test When the Test Mini SIM card is in place, commands their corresponding power up the telephone.
  • Page 21 StarTAC 160 (GSM) Table 1: GSM Test Commands Key Sequence Test Function/Name Deactivate Mini SIM Initiate sending all 1’s Initiate sending all 0’s Disable echo processing 43x# Change audio path 45xxx# Serving cell power level Display current value of AFC DAC...

  • Page 22: Personality Transfer

    PERSONALITY TRANSFER StarTAC 160 (GSM) Cellular Subscriber Sector Personality Transfer Step 2. The donor unit is now in the cloning mode, and ready to transfer the first block of data. Introduction Step 3. Enter 021# via the units keypad. This command will cause the first...

  • Page 23: Master Transfer

    Step 5. When the data block has been power up, or complete a Normal Transfer. transferred successfully, remove As mentioned earlier, there are different the Master Transfer card and check variations (OEM looks) of the Motorola repaired radio functions GSM StarTAC™ cellular telephones, each correctly.

  • Page 24: Master Sim Card Creation

    Personality Transfer Master SIM Card Creation When required a Master SIM card can be created by: Step 1. Insert a Transfer card into a unit which is already configured in the desired way. Turn the unit on, the display should show ‘Clone’. Step 2.
  • Page 25 StarTAC 160 (GSM) Issue 1.0 2/6/98...

  • Page 26: Disassembly

    DISASSEMBLY StarTAC 160 (GSM) Cellular Subscriber Sector Disassembly Recommended Tools Introduction The following tools are recommended for To perform most repairs, the unit must be use during the disassembly and reassembly disassembled in order to gain access to the of the StarTAC.
  • Page 27 StarTAC 160 (GSM) Antenna Removal Step 1. Turn off the telephone. Step 2. Press down on the battery’s tab and remove the battery from the housing. Step 3. Use the antenna tool to remove the antenna. Place the wide tip of the...
  • Page 28 Disassembly Opening Housing Step 1. With flat surface of tool facing up, insert housing opener at a 45º angle. Make sure you can see top of tool in seam. Step 2. Press push corner outwards with left thumb while right hand twists phone like a rag.
  • Page 29 StarTAC 160 (GSM) Step 4. Using small blade screwdriver, slide under housing all the way to corner and lift housing off corner. Step 5. With flat surface of tool facing up, insert housing opener at a 45º angle. Make sure you can see top of tool in seam.
  • Page 30 Disassembly Board Removal Step 1. Open the flex connector and pull out the flex. Step 2. With your thumbs, pry the side tabs away from the board assembly to allow it to be easily removed. Starting at the top of the board, lift board...
  • Page 31 StarTAC 160 (GSM) Step 4. Lift the white display clip off the transceiver board. Issue 1.0 2/6/98...
  • Page 32 Disassembly Flip Removal Step 1. Using a dental pick, remove the adhesive strip off the base of the flip. Step 2. Using tweezers, press the hinge pin button in and over toward the middle of the flip. Also, move the hinge pin section above the button toward the middle of the flip.
  • Page 33 StarTAC 160 (GSM) Speaker/Vibrator Removal Step 1. Rest flip housing on a flat surface. Slip a dental pick between front housing and battery contacts. Pry up to unsnap front housing battery contacts. The speaker, vibrator, and flex should be exposed.

  • Page 34: Troubleshooting

    TROUBLESHOOTING StarTAC 160 (GSM) Cellular Subscriber Sector Troubleshooting Introduction If the Logic/RF assembly is replaced a personality transfer will be necessary. See “Personality Transfer” on page 15. Assembly replacement level trouble- shooting and repair of the StarTAC personal NOTE telephone is limited to those components listed in the Replacement Parts List.
  • Page 35 StarTAC 160 (GSM) Table 7: Receiver Troubleshooting and Repair Chart RX Symptom Probable Cause Verification and Remedy Portable tele- Antenna assembly is 1. Check to make sure that the antenna pins phone exhibits defective. are properly connected to the Logic/RF poor reception assembly.
  • Page 36 Troubleshooting Table 7: Receiver Troubleshooting and Repair Chart RX Symptom Probable Cause Verification and Remedy Receive audio Logic/RF Board Assembly 1. Replace Logic/RF Board Assembly. is weak and/or defective. 2. If substitute Logic/RF Board Assembly distorted. works, the original is faulty and should be examined for improper solder and/or connections.
  • Page 37 StarTAC 160 (GSM) Table 9: Logic/Processing Troubleshooting and Repair Chart Logic/Processing Probable Cause Verification and Remedy Symptom 1. Unit Doesn’t a) Battery either discharged or 1. Measure battery voltage across a 50 ohm Turn On or defective. (>1 Watt) load.
  • Page 38 Troubleshooting Table 9: Logic/Processing Troubleshooting and Repair Chart Logic/Processing Probable Cause Verification and Remedy Symptom Display is Mating connections to/from 1. Replace Keypad / Display board. erratic, or Display board faulty. provides Display board defective. 1. Replace Keypad / Display board. partial or no display.
  • Page 39 StarTAC 160 (GSM) Table 9: Logic/Processing Troubleshooting and Repair Chart Logic/Processing Probable Cause Verification and Remedy Symptom Hinged mouth- Reed switch defective. 1. Gain access to Key board as described in piece does “Disassembly” on page 19. not go on/off 2.

  • Page 40: Troubleshooting Supplements

    Troubleshooting Troubleshooting Supplements Logic/Processing Supplement 1 - Unit Doesn’t Power Up (NPU) START Apply power to the radio. Is 3.36V dc Proceed to “#1 NPU Repair Procedure” on page 36. present at U900 pin 40? Press the power key to initiate PCB power up process.
  • Page 41 StarTAC 160 (GSM) Is +2.75V present Proceed to “#5 NPU Repair Procedure” on page 38. at U701 pins 33, 34, 42, 124? Does U900 pin 30 Proceed to “#6 NPU Repair Procedure” on page 38. reset line go high? Remove any short on the watchdog pull up pads R904.
  • Page 42 Troubleshooting Is CS signalling Proceed to “#9 NPU Repair Procedure” on page 39. present for U704 at pins 70 and 75 of U701? Is OE+ signalling Proceed to “#10 NPU Repair Procedure” on page 39. present at U705 pin 1? Radio is resetting - Proceed to “#11 NPU Repair Procedure”...
  • Page 43 StarTAC 160 (GSM) #1 NPU Repair Procedure No +3.36V dc battery supply voltage present at pin 40 of U900. • Check the PCB battery contact assembly for dry joints to the PCB, or broken contacts. Resolder any dry joints, or replace the battery contact assembly if any of the contacts are broken.
  • Page 44 If no supply voltage to the chip, trace its B+ path and/or replace the chip. If after replacing all of the above components the fault is not eliminated, return the PCB to a Motorola Hi Tech Center. 2/6/98 Issue 1.0...
  • Page 45 • Check that U900 is not physically damaged, has no dry joints, and is positioned correctly. If none of the mentioned problems are apparent replace U900. If replacing U900 the fault is still apparent return PCB to a Motorola Hi Tech Center. #7 NPU Repair Procedure The watchdog line at pin 31 of U900 does not go high to +2.75V dc.
  • Page 46 If none of the mentioned problems are apparent, replace U702 and U705. If replacing the above components does not eliminate the fault, return the PCB to a Motorola Hi Tech Center. #9 NPU Repair Procedure No signals present for pins 42 and 43 of U704.
  • Page 47 StarTAC 160 (GSM) #11 NPU Repair Procedure Radio is resetting. If the radio executes external device communication and then powers itself down very shortly after attempting power up, it is resetting. A reset can be caused by a fault on either U703, U701 or U500.
  • Page 48 Troubleshooting Logic/Processing Supplement 3 - Phone Failure “See Supplier” Display shows phone failure, see supplier Apply power to the unit and enter Test Mode. Press 7100# Read the return code. INFO 00 05 INFO 00 03 INFO 00 07 Perform a master cloning. - Replace Speech Replace Modem IC Coder U500...
  • Page 49 • External device connector assembly (J600) • Flex strip • J601 flex connector If the above analysis does not identify the fault, return the PCB to a Motorola Hi Tech Center. Logic/Processing Supplement 5 - PCB Draws Current When Off •...

  • Page 50: Electrical Diagrams

    Electrical Diagrams Figure 7: Audio/Logic Block Diagram L275 DSC_EN L500 L275 SRAM BIC 4.1 RWW Flash Mode1 L275 L275 L275 1M (512kX16) (64 TQFP) 8M (512kX16) B Comp DWNLNK Call Processor 68338 48 CSP 48 CSP RxDn DSC bus UPLNK Pollux ROM_CS(2) RxDp...
  • Page 51 Figure 9: RF Block Diagram RX: 935-960 MHz TX: 890-915 MHz RX SENS: -102 dBm TX Power: +33 dBM Dual Ant. Match 215 MHz SAW Filter RXI 0.8Vp-p BipolarMIXER BW(2dB) Isolation Amplifer 1.38 Vdc BipolarLNR T/R & RF Switch G=12 dB =200kHz G=7 dB G=13 dB...

  • Page 52: Replacement Parts

    REPLACEMENT PARTS StarTAC 160 (GSM) Cellular Subscriber Sector Replacement Parts Table 10: Level 1 Xcvr/Keyboard ITEM # DESCRIPTION 3709068T01 TUBE ANTENNA 3809326D13 ACTR KEYPAD KRUNCH Mechanical 3909101E01 CNTCT ANT UPPER RAE 3909156T01 CNTCT BASE SIM The replacement parts listed in this section...
  • Page 53 StarTAC 160 (GSM) Table 11: Level 3 Keyboard REF DES ITEM # DESCRIPTION Table 12: Level 3 Xcvr J00101 0909453C02 RECPT LO PROFILE ITEM # DESCRIPTION SMD 32 POS J00970 0909564M07 RECEPT SMD ZIF 19PIN A00001 3909101E01 CNTCT ANT UPPER RAE .5MM BOT...
  • Page 54 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION C00228 2113743N30 CAP CHIP 15.0 PF 5% C00261 2113743N22 CAP CHIP 6.8 PF + -.5PF C00229 2113743N48 CAP CHIP 82.0 PF 5% C00262 2113740A67 CAP CHIP REEL CL1 +/- 30 330...
  • Page 55 StarTAC 160 (GSM) Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION C00316 2113743N14 CAP CHIP 3.3 PF +-.25PF C00365 2113743L17 CAP CHIP 1000 PF 10% C00317 2113743N30 CAP CHIP 15.0 PF 5%...
  • Page 56 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION C00423 2113743N18 CAP CHIP 4.7 PF +-.25PF C00455 2113743N36 CAP CHIP 27.0 PF 5% C00424 2113743L17 CAP CHIP 1000 PF 10% C00501 2113743N54 CAP CHIP 150 PF 5% C00426 2113743N22 CAP CHIP 6.8 PF + -.5PF...
  • Page 57 StarTAC 160 (GSM) Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION C00601 2113743N38 CAP CHIP 33.0 PF 5% C00759 2113743E12 CAP CHIP .047 UF 10% C00602 2113743N38 CAP CHIP 33.0 PF 5% C00760 2113743E12 CAP CHIP .047 UF 10%...
  • Page 58 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION C00859 2113743N38 CAP CHIP 33.0 PF 5% C00922 2113743M24 CAP CHIP 100000 PF +80- 20% Y5V C00860 2113743N38 CAP CHIP 33.0 PF 5% C00923 2113743N12 CAP CHIP 2.7 PF +-.25PF C00861...
  • Page 59 StarTAC 160 (GSM) Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION CR0903 4809653F03 DIODE SCHOTTKY 1A L00412 2409646M07 IND CER MULTILYR 12NH 10BQ040 SMD 1608 CR0904 4809788E06 DIODE ZENER 6.8V L00413 2409646M83 IN CER MULTILYR 15 NH UDZ6.8B...
  • Page 60 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION Q00418 4809527E20 TSTR NPN RF 2SC4784 Q01010 4809939C05 TSTR DUAL NPN/PNP SC70 UMH 5 Q00420 4809527E20 TSTR NPN RF 2SC4784 Q01011 4809579E18 TSTR MOSFET P-CHAN SC70 TP0101T Q00421 4809527E24 TSTR NPN RF...
  • Page 61 StarTAC 160 (GSM) Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION R00261 0662057M86 RES. CHIP 3300 5% R00412 0662057M90 RES. CHIP 4700 5% 20X40 20X40 R00262 0662057M01 RES. CHIP 0 5% 20X40 R00413 0662057M92 RES.
  • Page 62 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION R00514 0662057M74 RES. CHIP 1000 5% R00717 0662057M78 RES. CHIP 1500 5% 20X40 20X40 R00516 0660076N89 RES CHIP 47 K OHM 1/16 R00718 0662057M74 RES.
  • Page 63 StarTAC 160 (GSM) Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION R00761 0662057N15 RES. CHIP 47K 5% R00910 0662057M98 RES. CHIP 10K 5% 20X40 20X40 R00763 0662057N15 RES. CHIP 47K 5% R00911 0662057N33 RES.
  • Page 64 Replacement Parts Table 12: Level 3 Xcvr Table 12: Level 3 Xcvr ITEM # DESCRIPTION ITEM # DESCRIPTION R01110 0662057M98 RES. CHIP 10K 5% U00705 5199301A01 IC EEPROM SPCL 8KX8 20X40 28BV64 R01111 0662057M74 RES. CHIP 1000 5% U00804 5109522E10 IC 3-INV LMOS 20X40 TC7W04FU R01112...
  • Page 65 StarTAC 160 (GSM) Figure 27: StarTAC Parts Illustration Issue 1.0 2/6/98...

  • Page 66: Service Tools For Startac

    Replacement Parts Service Tools for StarTAC Part No. Description Source SLN6625 MCEL200 Test Interface Intl. Parts Dept., USA 66-80343A25 Pocket Scriber WSAPD, Singapore SKN4800A DB15 Test Cable with Coax Intl. Parts Dept., USA SYN5233A Antenna Tool Intl. Parts Dept., USA SYN5367A Housing Opener Intl.
  • Page 67 StarTAC 160 (GSM) Issue 1.0 2/6/98...

  • Page 68: Glossary

    GLOSSARY StarTAC 160 (GSM) Cellular Subscriber Sector Glossary Those marked ** are Motorola specific abbreviations. BCCH Allocation A Interface Interface between MSC and BAIC Barring of All Incoming Calls BAOC Barring of all Outgoing Calls Authentication algorithm Base Transceiver Station (BTS)
  • Page 69 StarTAC 160 (GSM) Base Transceiver Station DISC DISConnect Data Link (layer) Control Channel (ISDN terminology applied to mobile Call Allocation service) CBCH Call Broadcast CHannel Signalling channel Call Control Dialled Pulse Country Code DRCU Diversity Radio Channel CCBS Completion of Calls to Busy...
  • Page 70 Glossary Information (frames) FACCH Fast Associated Control CHannel International Alphanumeric 5 FACCH/F Full rate Fast Associated IDentification Control CHannel IMEI International Mobile FACCH/H Half rate Fast Associated Equipment Identity Control CHannel IMMediate assignment Frequency correction Burst message FCCH Frequency Correction IMSI International Mobile CHannel...
  • Page 71 StarTAC 160 (GSM) Location Register MT/PP Mobile Terminated Point to Point messages Mobile Allocation Normal Burst Mobile Access Hunting Network Elements Mobile Allocation Index Norme European de MAIO Mobile Allocation Index Offset Telecommunications Mobile Application Part Network Management Mobile Country Code...
  • Page 72 Glossary PSPDN Public Switched Packet Data Network PSTN Public Switched Telephone SABM Set Asynchronous Balance Model Public Telecommunications Operator SACCH Slow Associated Control CHannel SAPI Service Access Point Indicator (Identifier) Quality of Service Synchronization Burst Service Center SCCP Signalling Connection Control Part Random Access Burst Synchronization CHannel...
  • Page 73 StarTAC 160 (GSM) Terminal Adaptor Unnumbered Information frame Timing Advance Air Interface TCAP Transaction Capabilities Application Part Traffic CHannel TCH/F A full rate TCH TCH/FS A full rate speech TCH Voice Activity Detection TCH/HS A half rate speech TCH Visited Location Register...

  • Page 74: Service Manual Feedback Form

    1. Photocopy this page. 2. Fill out the boxes below and give your comments. (This comment page can be used for any Motorola Cellular Subscriber service manual). 3. Fax this form to Motorola Asia Cellular Subscriber Division. Fax number (847) 523-8796, Attn: Mr. Derek Fung.
  • Page 75 2/6/98...

Table of Contents