Nokia N90 Service Manual

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Page 1 Transceiver with BL-5B 760mAh Li-Ion battery pack Talk time Standby Note Depends on Up to 3h Up to 12days network parameters Environmental characteristics: • Lead-free soldered SERVICE MANUAL Service Level 1&2 Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 2: Table Of Contents
GONOGO TEST ..................................... 27 BATTERY TEST ..................................... 27 FORWARDING OF REPAIRS ............................... 28 ESD PROTECTION REQUIREMENTS............................29 CHANGE HISTORY Status Version No. Date Comments Draft 10.06.2005 Initial draft Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 3: Introduction
INTRODUCTION The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians to carry out service to NOKIA products. This Service Manual is to be used only by authorized NOKIA service suppliers, and the content of it confidential.
Page 4: General Repair Information
6. Common Software Service Bulletins etc,… Use General SB-217 as a reference or overview. Please also check NOKIA Online (NOL) for latest news and files on a regular basis. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 5: Pathfinder For Workshop Staff
Videos – Disassembly/Assembly NOKIA Online Care Services Training Phone Models Level 1&2 e-learning courses offer a quick overview of the NOKIA phone and support for how to repair and use the phone: Overview & Guides Disassembly & Assembly Troubleshooting Basic information about the...
Page 6: Exploded View And Component Disposal
EXPLODED VIEW AND COMPONENT DISPOSAL Recommendation for the ecologically friendly disposal of components. Colorized components show the different categories. See corresponding ITEM/CIRCUIT REF in the Spare Parts Service Bulletins on NOL. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 7: Spare Parts Overview
PAGE 7 (29) Approved 1.0 ONNECTING EOPLE CMO Operations & Logistics WW Service Solutions & Development Bochum / Germany CONFIDENTIAL 29.6.2005 SPARE PARTS OVERVIEW Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 8: Spare Parts List
Bulletins (spare parts, SWAP units and service tools) from NOL! This will ensure, that you are using up-to-date order codes only. Therefore Service Bulletins have to be checked from NOL on daily basis. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 9: Service Tools
Small and lightweight stereo headset for handsfree functionality and listening to FM radio. DKU-2 Service Cable is used to connect the phone with the PC. RJ-89 Soldering Jig Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 10 Wetec tweezers 22 SA-ESD Wetec tweezers 13 SA-SMD ESD Wetec tweezers PSF SA-ESD Wetec ESD brush E1211 Kaiser Fototechnik airbrush 6315 Wetec dental tool DEM83266/0 Components Scissors 323-5732 Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 11: Sw-Update
To use FLS-4S 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. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 12: Disassembly Instructions
For assembly use a torque of and remove it with the SRT-6. 19 Ncm. 8.) Remove the D-Cover. For Assembly: Align the snaps 7.) Remove the C-Cover. at the top side first. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 13 Start with the UPPER Block side. side with SRT-6. 15.) Now the E-Cover can be removed easily. 16.) Lift up the Keymat vertically. Mind the guides while assembly. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 14 24.) Lever up the BB Shield Assy at the guidance as 23.) Unscrew 4 screws in the shown order. shown. assembly use the red marked order and a torque of 18 Ncm. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 15 30.) The Engine Module can now be removed. connector. 31.) Release the H-Cover from the Hinge. 32.) Release and remove the DC Jack with the appropriate DC Plug. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 16 36.) Take away the Battery Cover Release Button. Mind 35.) Now the button isn’t fixed anymore and can be the spring. pushed down easily. 37.) Remove the Spring. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 17: Upper Block
5.) Remove the 2 screws. For assembly use a torque of 19 Ncm. For assembly only: 7.) Remove the B-Cover. Align the snaps at the top side first. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 18 13.) Turn the unit and protect the Outer LCD with a plastic film. 16.) Remove the Outer LCD. 15.) Release the 4 Clips of the Display Shield. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 19 19.) Release the connectors from one side first. connectors. 22.) Take away the Display Frame Moulding. 21.) Bend the Hinge carefully to release the Display Frame Moulding. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 20: Upper Block
16 Ncm. 8.) Prevent mechanical stress to the cables and the 7.) Important: Mark the correct position before connectors. continue. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 21 16.) Unlock the small PWB carefully by pushing it into inner side carefully. 17.) Release the Audio Cavity with the SRT-6 carefully. 18.) Remove the Audio Cavity. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 22: Legend For Quick Trouble Shooter
Pads or contacts: Check optical and mechanical condition particularly regarding to corrosion. Clean with ESD brush only, if necessary. No more actions possible send product to the appropriate service supplier with higher service level. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 23: Quick Trouble Shooter Part 1
PAGE 23 (29) Approved 1.0 ONNECTING EOPLE CMO Operations & Logistics WW Service Solutions & Development Bochum / Germany CONFIDENTIAL 29.6.2005 11. QUICK TROUBLE SHOOTER PART 1 Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 24: Quick Trouble Shooter Part 2
PAGE 24 (29) Approved 1.0 ONNECTING EOPLE CMO Operations & Logistics WW Service Solutions & Development Bochum / Germany CONFIDENTIAL 29.6.2005 12. QUICK TROUBLE SHOOTER PART 2 Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 25: Camera Gonogo Test
Test was successful, if the Image appears on your Display. The camera is ok. • Select Gallery • Select Option • Select Delete • Select Yes and close the Inner LCD If the test is failed see Quick Trouble Shooter. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 26: Bluetooth
Search window appears, if all Bluetooth devices in range will be displayed, the test is successful! • Press red End key to reach the Home Menu Note: If the Bluetooth is activated, switch it off! Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 27: Gonogo Test
After the optical check, a GoNoGo test has to be carried out if the unit has been unscrewed to guarantee the functionality of the phone. Please refer to the actual information on NOKIA Online. When using delivered tester support files, take care of the right setup according to the tester type and product type.
Page 28: Forwarding Of Repairs
Add repair documentation e.g. filled-in service note into Fold the swap carton as shown in Spare Parts SB-004. the swap carton. There are two different sizes of swap cartons for common mobile phones. Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.
Page 29: Esd Protection Requirements
Grounded service equipment, i.e. soldering station Normal pressured air for cleaning ESD clothes such as coat or frock modules/displays The video covers general issues concerning Electro-Static Discharge (ESD) Service Manual n90 Level 1&2 Copyright © 2005 NOKIA Corporation. All rights reserved.

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