Nokia 7500 - Prism Cell Phone 30 MB Service Manual Download Page 1

Page: 1 / 18

CONFIDENTIAL

7500 RM-249 / RM250

Page

(18)

ISSUE 2

Service Manual Level 1&2

RM-249

SERVICE MANUAL

Level 1&2

Transceiver with BL-4B Li-Ion battery pack

Talk time

Standby

Note

up to 2.8h

up to 10.4days

Depends on network

parameters

Transceiver characteristics:

Band:

RM-249: GSM:

Tri-band 900/1800/1900MHz

RM-250: GSM:

Tri-band 850/1800/1900MHz

WCDMA:

------

Display:

LCD:

5.08cm QVGA (2.0”) (320x240 pixel); 16M colors

Camera:

2.0 Megapixel SMIA85, 8x digital zoom

Operating System:

Series 40

Connections:

Wireless:

Bluetooth

Connector:

Mini USB Connector; AV Connector

Memory:

MicroSD™ (max 2GB)

RM-250

Summary of Contents for 7500 - Prism Cell Phone 30 MB

Page 1: ... Note up to 2 8h up to 10 4days Depends on network parameters Transceiver characteristics Band RM 249 GSM Tri band 900 1800 1900MHz RM 250 GSM Tri band 850 1800 1900MHz WCDMA Display LCD 5 08cm QVGA 2 0 320x240 pixel 16M colors Camera Camera 2 0 Megapixel SMIA85 8x digital zoom Operating System Series 40 Connections Wireless Bluetooth Connector Mini USB Connector AV Connector Memory MicroSD max 2G...

Page 2: ... 2 Page TABLE OF CONTENTS CHANGE HISTORY 1 3 COPYRIGHT 2 3 WARNINGS AND CAUTIONS 3 4 ESD PROTECTION 4 4 CARE AND MAINTENANCE 5 5 BATTERY INFORMATION 6 5 EXPLODED VIEW 7 6 SPARE PARTS OVERVIEW 8 7 LEVEL 2 SOLDER COMPONENTS 9 8 SERVICE TOOLS 10 9 SW UPDATE 1 11 0 DISASSEMBLY INSTRUCTION 1 12 1 ASSEMBLY HINTS 1 13 6 ...

Page 3: ...s out for the newest version Copyright 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...

Page 4: ...ken by 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 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 7500 RM 249 RM250 Page 18 ISSUE 2 Service Manual Level 1 2 See corresponding ITEM CIRCUIT REF in the Spare Parts Service Bulletins on NOL EXPLODED VIEW 7 ...

Page 9: ...rger for fast charging of your phone battery DKE 2 Service Cable to connect the PC with the mini USB connector SS 45 Camera removal tool One side is for disassembly the other side for as sembly RJ 172 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 men...

Page 10: ... RM250 Page 18 ISSUE 2 Service Manual Level 1 2 SW UPDATE 11 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 ...

Page 11: ...a removal tool SS 45 Also refer to the General Mechanical Guideline Video for additional hints about the tools and component handling 3 Cover all sensitive surfaces with a protective film Unlock and remove the C COVER ASSY Remove the battery if inserted 4 Place the SRT 6 between the A COVER ASSY and the KEYPAD and gently unlock the clips starting at the shown side 5 Repeat the same on the opposite...

Page 12: ... Unlock the other clips of the BACK TRIM with the SS 93 9 Undo the screws in the order shown and discard them 10 The A COVER ASSY its attached to the B COVER ASSY with four clips Place a flat bladed screwdriver between the clip of the A COVER ASSY and the B COVER and bend them gently back 11 Open the clips starting at the shown side 12 Continue at the opposite side ...

Page 13: ...2 13 Carefully remove the A COVER ASSY 14 Take care of the electronic components on the ENGINE MODULE 15 Remove the BOTTOM CONNECTOR COVER 16 Undo the screws in the order shown and remove them 17 Remove the ENGINE MODULE from the B COVER ASSY 18 Take special care to the contacts springs on the PWB Do not bend them ...

Page 14: ...18 ISSUE 2 Service Manual Level 1 2 19 Remove the FLEX SHIELDING LID and discard it 20 Unlock the UI SHIELD 21 and remove it from the ENGINE MODULE 22 Turn the LCD AM as shown and very gently open the LCD connector 23 Remove the CAMERA GASKET 24 Unlock and remove the CAMERA MODULE ...

Page 15: ...Remove the EARPIECE 26 To remove the ANTENNA ASSY first unlock the clip on the left side 27 and then unlock the upper clip 28 Gently remove the ANTENNA from the B COVER ASSY 29 Carefully remove the FLASH PWB ASSY 30 The CHARGER CONNECTOR and the MICROPHONE can be removed easily The disassembly procedure is now finished ...

Page 16: ...500 Assembly Hints 2 Insert the ANTENNA into the B COVER ASSY starting with the shown clip 3 Secure the ANTENNA to the B COVER by pressing it into place Avoid bending the spring contacts 4 Ensure that the ANTENNA is fitted correctly 5 Insert the CAMERA MODULE paying attention to the correct position 6 Fit the CAMERA GASKET to the CAMERA MODULE ...

Page 17: ...se a new FLEX SHIELDING LID ASSY and fit it as shown 9 Avoid damaging the switch when inserting the ENGINE MODULE into the B COVER 10 Ensure that all spring contacts are in a good condition before fitting the A COVER 11 Tighten the four screws to the torque of 21Ncm in the order shown 12 Insert the two new screws and tighten them to the torque of 21Ncm in the order shown ...

Page 18: ...NOKIA All rights reserved 7500 RM 249 RM250 Page 18 ISSUE 2 Service Manual Level 1 2 13 Fit the BACK TRIM and check its correct position 14 Squeeze the A COVER a bit and gently fit the KEYPAD Secure it by pressing it into the A COVER ...

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