Sagem MYC-4 Site Technical Documentation Download

Page: 33 / 109

Symp Sheet 04

myC-4

DISPLAY PROBLEM

1/1

Ref. SCT U38 SSC DTS 0023 – Index B -February 21, 2005

Page 3-24

Test the display with

the "Hotline" menu

Black/colour screen

Test Sheet 04

End

Ok ?

Yes

Replace the equipped display

Proc Sheet 1 13

Test the display with

the "Hotline" menu

Test Sheet 04

Ok ?

Return to SAGEM

Proc Sheet 1 15 or

Proc 3 01

Yes

End

Summary of Contents for MYC-4

Page 1: ...myC 4 Doc No SCT U38 SSC DTS 0023 Version B Date February 21 2005 Produced by 2 rue du Petit Albi 95800 Cergy Saint Christophe France Tel 33 1 30 73 50 50 Fax 33 1 30 73 50 55 Copyright 2002 SAGEM Ce...

Page 2: ...ocumentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page I NO DISCLOSURE AGREEMENT This document is SAGEM SA property It can not be copied or communicated in all or part without writt...

Page 3: ...tion 2 5 2 4 IDENTIFICATION 2 6 2 4 1 Illustration 2 6 2 4 2 Description 2 6 2 4 3 Description after reparation 2 7 2 5 PHONE BLOCK DIAGRAM 2 8 2 5 1 myC 4 block diagram 2 8 2 5 2 Standards and enviro...

Page 4: ...RADIO TEST 4 16 CHAPTER 5 MAINTENANCE PROCEDURES 5 1 TECHNICAL WORK LEVELS 5 1 5 2 SHORT LOOP PROCEDURE 5 2 5 3 MAINTENANCE TOOLS 5 4 LEVEL 0 MAINTENANCE 5 5 PROCEDURE SHEET 0 01 REMOVING AND REPLACIN...

Page 5: ...G THE MICROPHONE 5 33 PROCEDURE SHEET 1 13 REMOVING AND REPLACING THE DISPLAY MODULE 5 35 PROCEDURE SHEET 1 14 REMOVING AND REPLACING THE LOUDSPEAKER 5 37 PROCEDURE SHEET 1 15 ELECTRONIC BOARD EXCHANG...

Page 6: ...for spare parts must refer to these codes typical code 25 xxx xxx x 1 1 HOW TO USE THE SITE TECHNICAL DOCUMENTATION This is a modular document Each sheet is unique and independent In some cases sever...

Page 7: ...ains the various modifications made to this documentation Chapter 8 Illustrated Parts Catalogue contains the various reference for spare parts Appendix 1 Composition table contains the various SAGEM r...

Page 8: ...rray WAP Wireless Application Protocol WiFi Wireless Fidelity WSP Wireless Session Protocol 1 3 COMMENTS SHEET Broad experience is very beneficial in several respects Please let us know your comments...

Page 9: ...ts ____________________________________________________________________________ ______________________________________________________________________________________ _________________________________...

Page 10: ...speed kbit s 271 Speech throughput kbit s 13 5 6 Maximum data throughput kbit s 12 Multiple access Frequency and temporal multiplexing frequency duplexing Cell radius km 0 3 to 30 0 1 to 4 SAGEM term...

Page 11: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 2 2 Table 3 RF power classes...

Page 12: ...Interface Screen type CSTN Colours 65536 Number of lines Up to 8 lines Screen size LxH mm 28x28 Screen resolution pixels 128x128 Backlight yes Soft keys navigation Yes 2 programmable keys Sub LCD cla...

Page 13: ...SP Get WAP save as PC sync Wallpaper screensaver Yes via EMS MMS WAP PC download MPAS Animation Yes via EMS MMS WAP PC download MPAS Menu icon Yes Ringing melodies Yes Music no Java application Yes Ga...

Page 14: ...lculator Yes Alarm Clock Yes Organizer Yes To Do Yes Voice memo Yes AMR codec Currency converter Yes Languages Up to 8 languages embedded Compatible Accessories Data cord Yes only as accessory Univers...

Page 15: ...ut from microphone BFTXN 2 Differential input from microphone BFRXP 3 Differential output to earphone BFRXN 4 Differential output to earphone VBAT 5 POWER SUPPLY IMAGE VOLTAGE connect this signal to C...

Page 16: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 2 7...

Page 17: ...15 characters c Reference of product aesthetic used bar code d Reference of product aesthetic used 9 characters e Date code Manufacturing level Production area Indication Ex F274 02 F fabrication are...

Page 18: ...2005 Page 2 9 2 4 3 Description after repair A new sticker is positioning by Repairing Centre near the sim card connector This extra line will appear if the mobile has already been repaired CRA XXX N...

Page 19: ...at the product Dual Band GSM DCS Type B2003 conforms to the requirements of the following EEC directives EEC Directive 1999 5 CE Safety EN 60950 EMC EN 301 489 1 EN 301 489 7 Low voltage directive 73...

Page 20: ...racteristics Technology Weight Voltage capacity Li ion 24g 700mAh 2 6 1 2 Description Li ion type batteries are used They are rechargeable using mains power supply modules Batteries caution use Store...

Page 21: ...230 V 110 V 254 V 121 V Li ion 2h 1h45 2 6 2 Mains modules 2 6 2 1 Description These mains power supply modules accept large dynamic variations in the power supply network They are available for a num...

Page 22: ...flow charts should be followed in full After a reference to a removal replacement sheet or to a test to be carried out you should return to the initial flow chart and continue the search until reachin...

Page 23: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 14...

Page 24: ...Proc Sheet 1 15 or 3 01 B4 Defective charge icon display Proc Sheet 1 15 or 3 01 B7 Autonomy Symp Sheet 01 B8 Electrically defective battery Test Sheet 03 B9 Mechanical lock problem on battery Proc S...

Page 25: ...going call failure Symp Sheet 02 F6 Incoming call failure Symp Sheet 02 G1 Broken or damaged glass Proc Sheet 1 07 G2 Broken or damaged cover Proc Sheet 1 02 1 09 G5 Broken or damaged keyboard Proc Sh...

Page 26: ...tact the operator SIM LOCKED with SIM SIM card not adapted to the operator Replace the SIM card SIM LOCKED without SIM Attempt of corruption EEPROM fields SAGEM Factory Return Not repair under warrant...

Page 27: ...etc BUSY Problems related to the network and Communications REJECTED The requested operation was refused by the network EMPTY Empty note pad memo etc NOT IN GROUP Error display following an error code...

Page 28: ...Area Manager or Support Engineers for approval Accordingly 2 ways are possible The problem is already known by SAGEM then the mobile have to follow the normal process in ARC with eventual additional d...

Page 29: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 20 SYMPTOM SHEETS...

Page 30: ..._______________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 21 Test the charger Test Sheet 02 Ok Replace the Standard charger Test...

Page 31: ..._______________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 22 Do the Wavetek test Test sheet 05 No Non Radio problem End Return to SAGEM Proc shee...

Page 32: ...ef SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 23 Fault found Charger Test Test Sheet 02 Update with SMT Test Sheet 01 Return to SAGEM Proc sheet 1 15 or Proc 3 01 yes End Battery test Test s...

Page 33: ...February 21 2005 Page 3 24 Test the display with the Hotline menu Black colour screen Test Sheet 04 End Ok Yes No Replace the equipped display Proc Sheet 1 13 Test the display with the Hotline menu T...

Page 34: ...S 0023 Index B February 21 2005 Page 3 25 Set the Keypad beep function Return to SAGEM Proc Sheet 1 15 or Proc 3 01 End Ok Yes Replace a new metal dome Proc Sheet 1 04 1 10 Ok Yes End No Repeat the ke...

Page 35: ...U38 SSC DTS 0023 Index B February 21 2005 Page 3 26 Unselect Vibrate only function SOUNDS VIBRATE menu Replace the loudspeaker Proc Sheet 1 14 Ok Yes End No Return to SAGEM Proc Sheet 1 15 or Proc 3 0...

Page 36: ...___________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 3 27 Test the vibrating device with the hotline menu Test Sheet 04 End Ok Replace the vibrating device Proc Sheet 1 11 End Te...

Page 37: ...3 28 CHAPTER 4 TESTS AND CHECKS 4 1 ABOUT TESTS Tests and checks are made after the troubleshooting procedures chapter 3 and before the maintenance procedures chapter 5 Return to SAGEM SAGE Proc shee...

Page 38: ...lowing test tools are necessary 1 the ARC downloading kit including the test case provided with the data cable to PC the retrofit cable the mains power supply module Retrofit adapter 2 the radio test...

Page 39: ...MT software with the phone to be repaired 11 Connect the 9 pin SUB D connector to the PC serial port COM1 12 Connect the power supply module to the mains power outlet 13 Connect the phone to be repair...

Page 40: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 4 31 TEST SHEET...

Page 41: ...e procedures on the screen 3 Make sure that the mobile phone is not in the sleep mode press the Start key Configure and check default values 1 Click on the CONFIGURE popup menu and then VERIFY Verfab...

Page 42: ...33 SMT SEQUENCE Series of the different functions under SMT sequence of tests 1 Click on SMT SEQUENCE popup menu 2 Select the different functions you want to carry out then click on LAUNCH button Ele...

Page 43: ...he step 2 turn on the defective board mobile recognized perform the step 3c perform the step 3b No Yes the mobile is recognized when the IMEI number Reference and Type of mobile are displayed perform...

Page 44: ...Test Sheet 01 4 9 myC 4 TEST AND CHECK BY SMT Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 4 35 Step 1 SMT Front page Click on the SWAP Process menu Example The following screen appears...

Page 45: ...T AND CHECK BY SMT Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 4 36 Step 2 Please click on Detect defective mobile button Step 3a The following screen appears the mobile is recognized Then...

Page 46: ...BY SMT Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 4 37 Step 3b If this screen appears the mobile is not recognized Step 3c You must fill in the empty blanks requested according to the info...

Page 47: ...CT U38 SSC DTS 0023 Index B February 21 2005 Page 4 38 Step 4 Plug and switch on the new mobile then push on the Detect Swap mobile button Step 5 After clicking on OK SMT prints the label which will b...

Page 48: ...Step 6 The downloading is starting if the mobile need to be updated Etape 7 SMT opens the following screen to print the new label please dial the MAKING DATE Production date written on the label of th...

Page 49: ...S 0023 Index B February 21 2005 Page 4 40 RESULTS When old mobile is recognized the audio parameters from the defective mobile have been sent to the functional mobile When old mobile is not recognized...

Page 50: ...the various battery chargers Test procedure 1 Check visually the charger connector 2 Connect the charger to be tested to the mobile 3 Access to the HOTLINE menu by pressing on SETTINGS MENU in the ME...

Page 51: ...ween the V poles the voltage shown must be between 2 5V and 4 5V If the voltage 4v load the battery for 30 minutes with a universal charger and follow the instructions below If the voltage 4V Measure...

Page 52: ...cessively on the C key to return at the operational screen of the mobile Description of the myC 4 HOTLINE menu 1 APPLICATION BATTERY gives the value of the battery voltage VERSION reads the installed...

Page 53: ...Test procedure 1 Position the calibration tool first on the RF coupler to calibrate it 2 Position the myC 4 module on the RF coupler 3 Switch the Wavetek on and press on AUTOTEST 4 Choose the corresp...

Page 54: ...sence or use on the radiotelephone of non genuine element material and software leads automatically the exclusion from SAGEM warranty Maintenance procedure sheets are coded as follows Proc Sheet X XX...

Page 55: ...al call with SIM functional test keypad display vibrating device etc Check the concordance between the defect declared by the end user and the defect observed Call back of the end user or dealer as fa...

Page 56: ...customer of an estimate according to the Sagem out of warranty repair prices communicated The under warranty and out of warranty handsets shall be sent to Sagem Montauban In the frame of the Short loo...

Page 57: ...shall be sent with the Return Product Sheet filled in indicating the defect declared by the end user and the defect observed by the Repair Centre Sagem Defect codes The NFF products sent to Sagem Mont...

Page 58: ...cation problem o What are his residence zone and the reception level of the mobile Number of receipt bar o What is the state of the battery when the defect appears o In case of loss of communication W...

Page 59: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 6 Flat screwdriver 2x75...

Page 60: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 7 LEVEL 0 MAINTENANCE...

Page 61: ...reliminary operation 4 7 Switch off the mobile phone 4 8 Removal procedure 1 Remove the battery cover by pushing the lock 1 2 Push on the battery pack 2 lower side 3 and lift up to liberate the batter...

Page 62: ...Proc Sheet 0 01 myC 4 REMOVING REPLACING THE BATTERY 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 9 1 3 2...

Page 63: ...Proc Sheet 0 01 myC 4 REMOVING REPLACING THE BATTERY 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 10...

Page 64: ...ols Not applicable 4 11 Preliminary operation 4 12 Switch off the mobile phone 4 13 Removal procedure 1 Unscrew the antenna 1 from the back cover 4 14 Placement procedure 1 Screw the new antenna 1 on...

Page 65: ...Proc Sheet 0 02 myC 4 REMOVING REPLACING THE ANTENNA 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 12 1...

Page 66: ...cal Site Documentation myC 4 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 13 LEVEL 1 MAINTE...

Page 67: ...On the back cover 1 unscrew the four attachment screws 2 2 Press the two stop pins 3 to liberate the back cover 1 3 Lift delicately the back cover 1 up beginning by the back side 4 Remove the elastom...

Page 68: ...Proc sheet 1 01 myC 4 REMOVING REPLACING THE ELASTOMER NUMBER KEYPAD 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 15 1 3 3 4 2 2...

Page 69: ...cately the back cover 1 up beginning by the back side 4 Remove the board to board connector 4 on the electronic board 5 Liberate the electronic board from the back cover by pressing outside the four s...

Page 70: ...myC 4 REMOVING REPLACING THE BACK COVER 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 17...

Page 71: ...5 Page 5 18 4 27 Tools Cross shaped screwdriver 4 28 Preliminary operation 1 Remove the battery pack Proc sheet 0 01 2 Remove the back cover Proc sheet 1 02 4 29 Removal procedure 1 Remove the equippe...

Page 72: ...Proc Sheet 1 03 myC 4 REMOVING REPLACING THE ELECTRONIC BOARD 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 19 1...

Page 73: ...01 2 Remove the back cover Proc sheet 1 02 4 34 Removal procedure 1 Remove the metal dome 2 of the equipped electronic board 1 4 35 Placement procedure Warning The metal dome is not reusable it must b...

Page 74: ...Proc Sheet 1 04 myC 4 REMOVING REPLACING THE METAL DOME OF NUMBER KEYPAD 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 21 2 1...

Page 75: ...heet 1 02 4 39 Removal procedure 1 Push on the two stop pins by means of tweezers to liberate the battery lock 1 2 Remove the battery lock 1 and battery lock spring 4 40 Placement procedure 1 Position...

Page 76: ...1 05 myC 4 REMOVING REPLACING THE BATTERY LOCK 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 P...

Page 77: ...eration 1 Remove the battery Proc sheet 0 01 2 Remove the back cover Proc sheet 1 02 4 44 Removal procedure 1 Unscrew the four attachment screws 3 on the front cover of the lower slide 1 2 Remove the...

Page 78: ...REMOVING REPLACING THE FRONT COVER OF THE LOWER SLIDE 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21...

Page 79: ...ure 1 Remove the two screws covers 2 on the back cover 1 by piercing them at the centre with tweezers and by acting as a lever 2 Unscrew the four attachment screws of the back cover 3 Push on the two...

Page 80: ...EMOVING REPLACING THE BACK FLIP OF THE UPPER SLIDE 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 200...

Page 81: ...sheet 1 02 3 Remove the front cover of the lower slide Proc sheet 1 06 4 Remove the back cover of the upper slide Proc sheet 1 07 4 54 Removal procedure 1 Lift delicately the display module 1 up to r...

Page 82: ...08 myC 4 REMOVING REPLACING THE NAVIGATOR KEYPAD 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005...

Page 83: ...move the back cover of the upper slide Proc sheet 1 07 4 59 Removal procedure 1 Remove the audio gasket 1 from the front cover 3 2 Unstuck the loudspeaker 2 from the front cover 3 3 Remove the front c...

Page 84: ...9 myC 4 REMOVING REPLACING THE FRONT COVER 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5...

Page 85: ...oc sheet 1 06 4 Remove the back cover of the upper slide Proc sheet 1 07 5 Remove the front cover Proc sheet 1 09 4 64 Removal procedure 1 Remove the metal dome 2 of the equipped electronic board 1 4...

Page 86: ...REMOVING REPLACING THE METAL DOME OF THE NAVIGATOR KEYPAD 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February...

Page 87: ...pack Proc sheet 0 01 2 Remove the back cover Proc sheet 1 02 4 69 Removal procedure 1 Unsolder the vibrating device 1 on the equipped electronic board 2 4 70 Placement procedure 1 Flux the place of t...

Page 88: ...Proc sheet 1 11 myC 4 REMOVING REPLACING THE VIBRATING DEVICE 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 35 1 2...

Page 89: ...Remove the battery pack Proc sheet 0 01 4 Remove the back cover Proc sheet 1 02 4 74 Removal procedure 2 Unsolder the microphone 1 on the equipped electronic board 2 4 75 Placement procedure 3 Flux t...

Page 90: ...Proc sheet 1 12 myC 4 REMOVING REPLACING THE MICROPHONE 2 2 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 37 1 2...

Page 91: ...l procedure 1 Remove the audio gasket 1 from the front cover 3 2 Unstuck the loudspeaker 2 from the front cover 3 3 Remove the display module 4 4 Unsolder the loudspeaker 2 on the display module 4 4 8...

Page 92: ...myC 4 REMOVING REPLACING THE DISPLAY MODULE 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page...

Page 93: ...lide Proc sheet 1 06 4 Remove the back cover of the upper slide Proc sheet 1 07 5 Remove the display module Proc sheet 1 13 4 84 Removal procedure 1 Unsolder the loudspeaker 2 from the display module...

Page 94: ...1 14 myC 4 REMOVING REPLACING THE LOUDSPEAKER 2 2 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Pag...

Page 95: ...ll times c The defective equipped electronic boards have to be returned to SAGEM factory packaged individually in the original package see enclosed photos in the appropriate ESD box One box per Sagem...

Page 96: ...SSC DTS 0023 Index B February 21 2005 Page 5 43 Example of equipped electronic boards packaging Equipped electronic board with metal dome and microphone Humidity absorber ESD shielding bag ESD shieldi...

Page 97: ...3 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 44 SAGEM electrostatic shielding box Refere...

Page 98: ...al dome Display test Hot Line Menu Keypad test Vibrating device test See Technical documentation test sheet 05 Audio parameters written on the new swap board Follow return instructions page 5 39 Mobil...

Page 99: ...cal Site Documentation myC 4 ________________________________________________________________________________________________ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 46 LEVEL 3 MAINTE...

Page 100: ..._____ Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 5 47 IMPORTANT Mobile packaging sent to SAGEM S A Follow the Proc sheet 1 15 Packaging for swap or mobile components storage The swap and t...

Page 101: ...N BOUTON VERROU DEFECTUEUX BROKEN OR DAMAGED GLASS FLIP SLIDE VITRE CASSEE OU ABIMEE FLAP SLIDE BROKEN OR DAMAGED FLIP FLAP CASSE OU ABIME BROKEN OR DAMAGED BODY KEYBOARD CLAVIER CASSE OU ABIME CORPS...

Page 102: ...EN GLASS G1 VITRE CASSEE OU ABIMEE G2 BROCKEN COVER G2 COQUE CASSEE OU ABIMEE G3 BROKEN FLIP G3 FLAP CASSE OU ABIME G5 BROCKEN KEYBOARD G5 CLAVIER CASSE OU ABIME G6 DEFECTIVE LOCK BUTTON G6 BOUTON VER...

Page 103: ...HAPTER 5 ACCESSORIES 5 1 PEDESTRIAN HANDSFREE KIT 5 1 1 Description Ear support with microphone on the cable for handsfree conversation 5 1 2 Characteristics Item Dimensions Loudspeaker impedance Micr...

Page 104: ...ions and the corrective procedures to be applied to maintain the product following it s evolution 6 2 APPLICATION The Technical Information Bulletin TIB are reference and must be applied by the repair...

Page 105: ...cover 15 1 Battery 20 1 Antenna 25 1 Back cover 30 1 Battery lock 35 4 Cruciform screw 40 1 Vibrating device 45 1 Equipped electronic board 50 1 Metal dome of the number keypad 55 1 Microphone 60 1 F...

Page 106: ...Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 8 2 100 1 Display module 105 1 Metal dome of the navigator keypad 110 1 Flex 115 1 Front cover 120 1 Elastomer navigato...

Page 107: ...Technical Site Documentation myC 4 Ref SCT U38 SSC DTS 0023 Index B February 21 2005 Page 8 3 8 2 myC 4 exploded view 10 15 20 25 40 35 45 30 50 55 60 70 65 75 80 8 5 9 0 95 10 0 10 5 110 115 12 0...

Page 108: ...e SAGEM codes of articles mentioned throughout the Site Technical Documentation 8 2 LIST OF ARTICLES TEST TOOLS Designation Reference 4 number keypad metal dome jig 251 721 43 1 4 slide keypad metal d...

Page 109: ...e SAGEM codes of articles mentioned throughout the Site Technical Documentation 9 2 LIST OF ARTICLES TEST TOOLS Designation Reference 4 number keypad metal dome jig 251 721 43 1 4 slide keypad metal d...

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