Nokia 7900 - Prism Cell Phone 1 GB Service Manual Download Page 16

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CONFIDENTIAL

7900 Prism RM-264

Page

(8)

ISSUE

Service Manual Level &2

1. Nokia 7900 Prism. Assembly hints.

2. You will need the Nokia Standard Toolkit version 2. Also refer

to the General Mechanical Guideline Video for additional hints

about the tools and component handling.

3. Fit the ANTENNA GROUNDING SPRING to the C-COVER.

4. Fit the ANTENNA ASSEMBLY and pass the coax cable as shown.

Ensure that the cable is not damaged.

5. Place the IHF SPEAKER with the new IHF SPEAKER ADHESIVE

into the C-COVER. Pay attention to the correct position of the

spring contacts.

6. Fit a new FLASH BOARD ASSEMBLY.

ASSEMBLY INSTRUCTION

Summary of Contents for 7900 - Prism Cell Phone 1 GB

Page 1: ...time Standby Note up to 3h up to 12 5days Depends on network parameters and phone settings Transceiver characteristics Band EGSM Quad band 850 900 1800 1900MHz WCDMA 850 2100MHz Display LCD O LED display 320x240 pixel 16M colors Camera Camera 2 0 Megapixel 8x digital zoom Flash Operating System Series 40 Connections Wireless Bluetooth Connector Micro USB Connector Memory Card Internal 1GB MMC ...

Page 2: ... Manual Level 1 2 Page TABLE OF CONTENTS CHANGE HISTORY 3 COPYRIGHT 3 WARNINGS AND CAUTIONS 4 ESD PROTECTION 4 CARE AND MAINTENANCE 5 BATTERY INFORMATION 5 EXPLODED VIEW 6 LEVEL 2 SOLDER COMPONENTS 7 SERVICE TOOLS 8 SW UPDATE 9 DISASSEMBLY INSTRUCTION 10 ASSEMBLY INSTRUCTION 16 2 3 4 5 6 7 8 9 0 2 ...

Page 3: ...ight 2007 Nokia All rights reserved Reproduction transfer distribution or storage of part or all of the contents in this document in any form without the prior written permission of Nokia is prohibited Nokia Nokia Connecting People and Nokia X and Y are trademarks or registered trademarks of Nokia Corporation Other product and company names mentioned herein may be trademarks or tradenames of their...

Page 4: ... qualified personnel only 2 Ensure all work is carried out at an anti static workstation and that an anti static wrist strap is worn 3 Use only approved components as specified in the parts list 4 Ensure all components modules screws and insulators are correctly re fitted after servicing and alignment 5 Ensure all cables and wires are repositioned correctly 1 2 3 Nokia requires that service points...

Page 5: ...mes but it will eventually wear out When the operating time talk time and standby time is noticeably shorter than normal it is time to buy a new battery Use only batteries approved by the phone manufacturer and recharge the battery only with the chargers approved by the manufacturer Unplug the charger when not in use Do not leave the battery connected to a charger for longer than a week since over...

Page 6: ...NFIDENTIAL Copyright 2007 NOKIA All rights reserved 7900 Prism RM 264 Page 18 ISSUE 1 Service Manual Level 1 2 See corresponding ITEM CIRCUIT REF in the Spare Parts Service Bulletins on NOL EXPLODED VIEW 7 ...

Page 8: ... Charger AC 6 Small and lightweight charger for fast charging of your phone battery CA 101 Service Cable to connect the PC with the Micro USB connector RJ 181 Soldering Jig 0772040 NMP Standard Toolkit V2 For more informations refer to the Service Bulletin SB 011 on NOKIA On line Supplier or manufacturer contacts for tool re order can be found in Recom mended service equipment docu ment on NOKIA O...

Page 9: ...M 264 Page 18 ISSUE 1 Service Manual Level 1 2 Flash Concept Point of Sales To use FLS 5 Flash Dongle you have to follow the user guide inside the sales package Please check always for the latest version of flash software which is available on NOKIA Online SW UPDATE 0 ...

Page 10: ...to the General Mechanical Guideline Video for additional hints about the tools and component handling 3 Always cover all sensitive surfaces with a protective film Slide the B COVER ASSY in the shown direction and remove it Remove the battery if inserted 4 Undo the first three Torx 4 PLUS screws in the order shown 5 Continue on the other side 6 First open the A COVER ASSY with the SS 93 DISASSEMBLY...

Page 11: ...Remove the KEYMAT ASSEMBLY 9 Release and remove the EARPIECE 10 Undo the five Torx 5 PLUS screws in the order shown and remove them 11 Unlock the DISPLAY BACK PLATE with the dental pick 12 The DISPLAY BACK PLATE and the PWB are fixed with the adhesive together First lift the DISPLAY BACK PLATE beginning at the shown side paying attention to the snap ...

Page 12: ...on the SHIELDING CAN of the PWB and lift the DISPLAY BACK PLATE to separate the parts from each other 15 Take special care to the AV FLEX 16 Carefully separate the AV FLEX from the DISPLAY BACK PLATE with the SS 93 17 Place the DISPLAY onto the UI FLEX and gently open the connector Remove the BACK PLATE with the DISPLAY 18 Open the AV FLEX connector and remove the AV FLEX ASSEMBLY ...

Page 13: ... 19 Note the correct position of the CAMERA GASKET when replacing 20 Remove the TOP COVER ASSY and discard it 21 Carefully open the coax connector with tweezers 22 Open the UI FLEX connector 23 Pay attention to the flex contacts of the VIBRA 24 Lift the ENGINE MODULE on the shown side and remove it from the C COVER ...

Page 14: ...refully remove the IHF SPEAKER 26 Remove the IHF SPEAKER ADHESIVE from the C COVER 27 Remove the VIBRA and ensure that no adhesive remains 28 Slightly push on the FLASH BOARD ASSEMBLY to release the adhesive 29 Discard the FLASH BOARD ASSEMBLY and also ensure that no adhesive remains 30 Lift the coax cable with the SS 93 ...

Page 15: ...ved 7900 Prism RM 264 Page 18 ISSUE 1 Service Manual Level 1 2 31 Unlock the clip of the ANTENNA ASSEMBLY 32 Do the same at the other side and remove the ANTENNA ASSEMBLY 33 Unlock and remove the ANTENNA GROUNDING The disassembly procedure is now finished ...

Page 16: ...al Mechanical Guideline Video for additional hints about the tools and component handling 3 Fit the ANTENNA GROUNDING SPRING to the C COVER 4 Fit the ANTENNA ASSEMBLY and pass the coax cable as shown Ensure that the cable is not damaged 5 Place the IHF SPEAKER with the new IHF SPEAKER ADHESIVE into the C COVER Pay attention to the correct position of the spring contacts 6 Fit a new FLASH BOARD ASS...

Page 17: ... 2 7 Fit the VIBRA with the new VIBRA ADHESIVE into its place 8 Pay attention to the correct position of the VIBRA 9 Carefully close the UI FLEX connector and the coax connector 10 Gently close the AV FLEX connector 11 Connect the DISPLAY to the PWB 12 Fit the hook into the C COVER to secure the DISPLAY BACK PLATE ...

Page 18: ...and tighten them to the torque of 15Ncm in the order shown 14 Pay attention to the correct position of the spring contacts when fitting the EARPIECE 15 Fit a new TOP COVER ASSY 16 Check the correct position of the TOP COVER ASSY 17 Insert the screws and tighten them to the torque of 12Ncm in the order shown 18 Continue on the other side ...

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