Nokia 7370 Service Manual Level 1-2

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CONFIDENTIAL

SERVICE MANUAL

Level 1&2

RM-70

Transceiver characteristics:

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Band: Tri-band phone for GSM 900/1800/1900MHz

Camera: 1,3 Mega pixel camera with full screen landscape camera

mode

Display: QVGA display with 262.144 colors,

resolution 320 x 240 pixel

Bluetooth

FM radio

Audio: 2 IHF speaker for 3D-stereo sound effects

Connector: Pop Port connector

Transceiver with BL-4b 700mAh Li-Ion battery pack

Talk time Standby Note

Depends on network

up to 4h up to 11days

Environmental characteristics:

parameters

• Lead-free soldered

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TABLE OF CONTENTS

10.

11.

12.

INTRODUCTION 3

GENERAL REPAIR INFORMATION 4

PATHFINDER FOR WORKSHOP STAFF 5

EXPLODED VIEW AND COMPONENT DISPOSAL 6

SPARE PARTS OVERVIEW 7

SPARE PARTS LIST 8

SERVICE TOOLS 9

SW-UPDATE 11

DISASSEMBLY INSTRUCTION (UPPER BLOCK) 12

DISASSEMBLY INSTRUCTION (LOWER BLOCK) 15

EXCHANGE INSTRUCTION FOR SIM FLAP ONLY 19

LEGEND FOR QUICK TROUBLE SHOOTER 20

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13.

14.

15.

16.

17.

18.

19.

20.

21.

QUICK TROUBLE SHOOTER PART 1 21

QUICK TROUBLE SHOOTER PART 2 22

QUICK TROUBLE SHOOTER PART 3 23

CAMERA GONOGO TEST 24

BLUETOOTH & INFRARED TEST 25

GONOGO TEST 26

BATTERY TEST 26

FORWARDING OF REPAIRS 27

ESD PROTECTION REQUIREMENTS 28

CHANGE HISTORY

Status Version No. Date Comments

Draft 0.1 10.10.2005 Initial draft

Approved 1.0 21.11.2005 Approved

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INTRODUCTION1.

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 is confidential. Please note that NOKIA provides also other guidance documents (e.g. Service Bulletins) for service suppliers, follow these regularly and comply with the given instructions.

While every endeavor has been made to ensure the accuracy of this document, some errors may exist. If you find any errors or if you have further suggestions, please notify NOKIA using the address below: mailto:cc-ts-rc.documentation@nokia.com

Please keep in mind also that this documentation is continuously being updated and modified, so watch always out for the newest version.

Warnings and Cautions

Please refer to the phone’s user guide for instructions relating to operation, care and maintenance including important safety information. Note also the following:

Warnings:

CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS AND

1. ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF NECESSARY, CONSULT THE VEHICLE DEALER/MANUFACTURER TO DETERMINE THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY.THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED

2. IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC. OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY INTERFERE WITH THE

3. FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES. CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.

Cautions:

1. Servicing and alignment must be undertaken 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.

Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore every Service Supplier has to take care of all precautions, which are mentioned in the service level related “Service Partner Requirements”, available on NOKIA Online. Also see ESD Protection Requirements in this Service Manual.

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GENERAL REPAIR INFORMATION2.

In this section the technician will get some general hints how to carry out repairs:

To familiarize oneself with NOKIA product read the tutorials or user guide on www.nokia.com -->Support--> Phones,

• by selecting the Phone Model. Before starting the repair you must take care of ESD precautions like being in your ESD Protected Area and connecting

• your wristband. Use gloves to avoid corrosion and fingerprints.

• Protect windows and displays with a film to avoid dust and scratches.

• When cleaning the LCD Module any lint-free cloth can be used (e.g. Micro-Fibre cloth).

• When cleaning the pads you have to use a soft cloth/ESD brush and Isopropanol. It is not allowed to use a glass fiber

• pencil because it scratches the surface and will lead later on to corrosion. Mechanical parts (except shielding lids and bent parts), which didn’t repair the failure, can be reused, if they are not

• soldered. When removing the shielding lids make sure to replace them with new ones, otherwise the high-frequency leakage

• can have an influence on the device. Always use original NOKIA spare parts.

• Check the soldering joints of the parts, which are concerned regarding the indicated error (e.g. soldered connectors or

• switches) and resolder them if necessary (Level 2 only). Remove redundant soldering flux after repair.

• Meet the torque requirements when assembling the unit (see also the document “torques for transceiver assembly”

• on NOKIA Partner Web Site/NOKIA Online). Always use your own equipment for testing where you are sure that it works. E.g. if the customer complains about

• charger function, please test the phone with your own charger to be sure if phone or charger causes the malfunction. A SIM card is needed for all GoNoGo tests.

• When doing the fault log entries, always note the Item code, which caused the malfunction. Also, fill in the appropri-

• ate part code from the assembly, if needed. Please be aware that some malfunctions could be software related and solved by an update.

•

MGR

There are several documents available on NOL, which have to be followed:

•

• First, take care for the latest content pages of Service Bulletins, which are always available for each folder on NOKIA

• Online. This is also important to recognize, if existing documents have become invalid.

• The service level indicator at the bottom of each document tells the appropriate destination.

•

Downloads > Support Library >

1. Instructions

2. General Service Bulletins

3. Product related documents

4. Spare Part Service Bulletins

5. Service Tools Service Bulletins

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.

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PATHFINDER FOR WORKSHOP STAFF3.

In addition to the information in this Service Manual, there are several instructions and information, which have to be followed. Main documentation database is NOKIA Online with the purpose of serving different multimedia content, like video clips or interactive tutorials.

It is mandatory to watch for newest technical and organizational information on a daily basis to be updated as required (see “Latest files in Support Library”). Every new information has to be processed and implemented as soon as possible. When logged into NOL you can also find needed information in different folder like:

Support Library Phones

Service Manuals Service Bulletins Software Repair Information

Level 1&2 e-learning (former NOKIA CarePoint) on NOKIA Online

Online Troubleshooting

Former NOKIA CarePoint content, such as

• Product information

• Videos – Disassembly/Assembly

•

can be found on

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

Basic information about the phone,

features and technologies

Disassembly & Assembly

Instructions how to disassemble and

assemble the phone

Troubleshooting

Step-by-step instructions on how to locate and repair the most common

problems with the phone

To reduce the server traffic it is recommended to download newest version of huge files like videos, Phoenix packages or Service Manuals only once and distribute it internally for further use.

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ELECTRO

SILICON METAL

PLASTIC

PWB

COVER

A-COVER ASSY

I001

E-COVER ASSY

I229

LCD DISPLAY

I004

KEYMAT

I210

BLUETOOTH ANTENNA I211

SHIELDING RAP LID I212

SHIELDING BT LID I216

SIM FLAP (A7) I220

SHIELDING HWA LID

I217

CAMERA MODULE I218 CAMERA GASKET I219

TYPE LABEL

(LEVEL 3/4 ONLY)

I228

ANTENNA MODULE

I223

SHIELDING RETUTAHVO LID I213

SHIELDING RF LID

I214

ENGINE BOARD (NOT SUPPLIED) I215

2XSCREWS M2X3.7 (A2) I103

3XSCREWS

M2X3.7

I222

2XSCREWS RF 1.8x8.5 I227

EARPIECE (A1)

I003

UI SHIELD (A1) I002

DEKO PLATE (A3)

I006

B-COVER (A3)

I005

C-COVER (A5)

I201

D-COVER (A8)

I224

LABEL COVER (A8) (LEVEL 3/4 ONLY) I226

DC JACK (A8) I225

IHF SPEAKER (A5)

I202

MICROPHONE (A5) I203

POWER KEY (A5) I205

CAMERA KEY (A5) I206

VOLUME KEY (A5) I204

SIM CARD READER (A7)

(LEVEL 3/4 ONLY)

I305

DOMESHEET (A6)

(APAC & CHINA ONLY)

I208

PWB KEYMAT(A6) I207

LED (A6) I304

LCD CONNECTOR (A4)

I302

LCD PWB (A4)

I301

SCREWING PLATE (A2) I102

SWIVEL (A2)

I101

COAX CABLE (A2)

I104

BOARD TO BOARD CONNECTOR (A4) I303

Exploded view 7370 RM-70

Ver. 2.0

A1= UI SHIELD ASSY A2= B-COVER ASSY incl. A3 & A4 A3= B-COVER SERVICE ASSY A4= UI PWB ASSY A5= C-COVER ASSY A6= PWB KEYMAT ASSY A7= SIM CARD READER ASSY A8= D-COVER ASSY

= only available as assembly

CMO Operations & Logistics WW Competence Transfer Multimedia Creation & Support CONFIDENTIAL

EXPLODED VIEW AND COMPONENT DISPOSAL4.

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.

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A1 = UI SHIELD

ASSY

A7 = SIM CARD READER ASSY

A5 = C-COVER ASSY A8 = D-COVER ASSY

A2 = B-COVER ASSY

A4 = LCD PWB ASSY

A3 = B-COVER

SERVICE ASSY

A6 = PWB KEYMAT

ASSY

A-COVER ASSY I001

E-COVER ASSY I229

LCD DISPLAY I004

KEYMAT I210

BLUETOOTH ANTENNA I211

SHIELDING RAP LID I212

SHIELDING BT LID I216

SIM FLAP (A7) I220

SHIELDING HWA LID I217

CAMERA MODULE I218

CAMERA GASKET I219

TYPE LABEL (LEVEL 3/4 ONLY) I228

ANTENNA MODULE I223

SHIELDING RETUTAHVO LID I213

SHIELDING RF LID I214

ENGINE BOARD (NOT SUPPLIED) I215

2XSCREWS M2X3.7 (A2) I103

3XSCREWS M2X3.7 I222

2XSCREWS RF 1.8x8.5 I227

A1= UI SHIELD ASSY A2= B-COVER ASSY incl. A3 & A4 A3= B-COVER SERVICE ASSY A4= UI PWB ASSY A5= C-COVER ASSY A6= PWB KEYMAT ASSY A7= SIM CARD READER ASSY A8= D-COVER ASSY

= only available as assembly

EARPIECE (A1) I003

UI SHIELD (A1) I002

DEKO-PLATE (A3) I006

B-COVER (A3) I005

C-COVER (A5) I201

SIM CARD READER (A7) (LEVEL 3/4 ONLY) I305

D-COVER (A8) I224

LABEL COVER (A8) (Level 3/4 ONLY) I226

DC JACK (A8) I225

IHF SPEAKER (A5) I202

MICROPHONE (A5) I203

POWER KEY (A5) I205

CAMERA KEY (A5) I206

VOLUME KEY (A5) I204

DOMESHEET (A6) (APAC & CHINA ONLY) I208

PWB KEYMAT (A6) I207

LED (A6) I304

LCD CONNECTOR (A4) I302

LCD PWB (A3) I301

SCREWING PLATE (A2) I102

SWIVEL (A2) I101

COAX CABLE (A2) I104

BOARD TO BOARD CONNECTOR (A4) I303

Spare Parts overview 7370 RM-70

Ver. 2.0

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SPARE PARTS OVERVIEW5.

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SPARE PARTS LIST6.

Please exchange this page (placeholder) with latest corresponding Service 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.

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SERVICE TOOLS7.

FLS-4S incl. ACF-8, Driver and User Guide Dongle and flash device incorporated into one package, developed specifically for POS use.

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ACF-8 Universal Power Supply is used to power FLS-4S.

Travel Charger AC-4 Small and lightweight charger for fast charging of your phone battery.

Internal Battery BL-4b Inserted under the back cover, this Li-Ion 700 mAh battery provides power in a lightweight package.

Headset HS-31 The Nokia Fashion Stereo Headset provides a convenient handsfree facility and the pleasure of listening to your compatible Nokia phone’s FM radio or MP3 player in stereo.

SS-45 Camera removal tool. Metal side is for disassembly, the plastic side for assembly.

RJ-68

Soldering Jig

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Lead-free Solder Wire

Mandatory for lead-free products (Level 2 only).

0772040 NMP Standard Toolkit

NOKIA opening tool SRT-6 NOKIA No. 0770431

• Tonichi torque driver NOKIA No. 6901525

•

Hoya micro Fibre cloth MX304

• Dastex gloves S, M, XL

• Artilux goggles AH166

• Wera bit T5 867/4TX 5x50

•

Wera 867/4 6IP; 50mm (Torx 6 PLUS®)

• Wera bit T6 867/4TX 6x50

• Wera 867/1 5IP; 25mm (Torx 5 PLUS®)

• Wera bit T6 PLUS® 867/4TX 6IP

•

Facom side cutter 416E

•

Facom T5 driver SP.14032

• Facom T6 driver SP.14033

• Facom slot screwdriver AEF. 2x35.E

•

Wetec tweezers 7abb SA-ESD

•

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

•

RS Components Scissors 323-5732

•

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SW-UPDATE8.

Flash Concept – (Point of Sales)

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.

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DISASSEMBLY INSTRUCTION (UPPER BLOCK) 9.

1. You need the following tools. 2. Always protect all windows with a plastic film.

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3. Open the E-COVER and remove the battery, if it is inserted. 4. Turn the UPPER BLOCK to 90° from the LOWER BLOCK. Start opening the A-COVER ASSY at the round side with the SRT-6.

5. Slide the SRT-6 around the covers and keep the gap open.

Unlock the retaining clips separately.

6. Go ahead near the SWIVEL area.

7. This is the last clip to be unlocked.

8. Now, separate A-COVER and B-COVER.

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9. Also, protect the inner side of the window with a plastic film. 10. Carefully unlock the BOARD TO BOARD CONNECTOR.

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11. Unlock four clips at the B-COVER, which hold the UI-SHIELD into the B-COVER.

13. Open the four clips which hold the LCD into the UI-SHIELD. Do not bend the clips too much to keep the part reusable for assembly.

12. Do not damage the LCD connector when opening.

14. Lift out the LCD.

15. To avoid dust and scratches, protect the LCD with a plastic film.

16. Open the two Torx Plus® size 6 screws in the following order.

For assembly use the reverse order and apply a torque of 25 Ncm +/- 2Ncm. Always use new screws!

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17. For Assembly only: Pay attention to the right length of the COAX CABLE and place the marking at the edge of the SCREWING PLATE.

19. Separate the UPPER BLOCK from the LOWER BLOCK.

18. Remove the SCREWING PLATE.

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DISASSEMBLY INSTRUCTION (LOWER BLOCK)10.

1. Always protect all windows with a plastic film. 2. Remove the E-COVER.

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3. If you need to change the KEYMAT, it is also possible at a closed LOWER BLOCK. Remove the KEYMAT starting exactly from the point shown.

5. For assembly only: Start placing the KEYMAT at the marked positions.

4. For assembly only: When assembling, start placing the KEYMAT at button “0” and move forward to the upper side.

6. For assembly only: Be sure to have all clips locked properly.

7. Open the two Torx Plus® size 6 screw in the following order.

For assembly use the reverse order and apply a torque of 25 Ncm +/- 2Ncm.

8. Open the middle snaps of the D-COVER, using a slotted screwdriver.

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9. Use the SRT-6 to open the snaps of the D-COVER ASSY at the right side. Then ...

11. ... at the left side. 12. Remove the D-COVER.

10. ... at the top side and ...

13. Remove the CAMERA GASKET. 14. Stick the SS-45 in to the camera connector.

15. Press the SS-45 together and remove the CAMERA MODULE.

16. For assembly only: Take care of the right positioning of the CAMERA MODULE.

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17. For assembly only: Use the opposite side of the SS-45 to lock the CAMERA MODULE properly.

19. Stick the dental tool under the ANTENNA MODULE (The pike of the dental tool is visible in the marked hole). Now pull the tool to the shown direction.

18. The ANTENNA MODULE has four lockings. Use the dental tool to open the first lock.

20. Do the same as before (the pike is in this case not visible) and pull in the opposite direction.

21. Now unlock the last snap. 22. Remove the ANTENNA MODULE.

23. Carefully unlock the coax connector with SRT-6.

24. Unsrew the three SWIVEL screws Torx Plus® size 6 in the following order. For assembly use the reverse order and apply a

torque of 25 Ncm +/- 2Ncm. Always use new screws!

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25. Separate the ENGINE MODULE from the C-COVER ASSY. 26. To remove the SIM FLAP start in the order shown.

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27. Now remove the other side. 28. Remove the BLUETOOTH ANTENNA with tweezers.

29. Remove the MICROPHONE with the dental tool. 30. Remove both IHF SPEAKERS with tweezers.

31. Separate the C-COVER ASSY from the UPPER BLOCK.

32. Fit the COAX CABLE to the hole to remove the C-COVER ASSY completely from the UPPER BLOCK.

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33. Remove the PWB KEYMAT ASSY. 34. Use a DC PLUG to remove the DC-JACK.

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35. There are five clips, holding the LABEL COVER into the DCOVER.

37. Turn around the D-COVER and unlock the last clip.

EXCHANGE INSTRUCTION FOR SIM FLAP ONLY11.

36. Unlock the four clips with a slotted screwdriver.

1. Change the SIM FLAP is also possible without disassembling the LOWER BLOCK. Open the E-COVER, remove the battery if nec- essary and follow the shown order.

2. The SIM CARD READER and the SIM FLAP is provided as one spare part. Separate it and assemble the SIM FLAP as shown.

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LEGEND FOR QUICK TROUBLE SHOOTER12.

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QUICK TROUBLE SHOOTER PART 113.

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Will be

implemented

soon

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QUICK TROUBLE SHOOTER PART 214.

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Will be

implemented

soon

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QUICK TROUBLE SHOOTER PART 315.

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Will be

implemented

soon

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CAMERA GONOGO TEST16.

Before starting the GoNoGo test, check that camera window is clean. If not, clean the window with cloth.

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Test unit

• Open the phone by turning the upper part 180° to the lower part

• Press the receiver button to reach the Home Menu

• Select Menu

• Select Media

• Select Camera

• Press Capture or use the Camera Key to take a photo

This Image will be saved to Gallery into the Photos folder automatically.

Test was successful, if the Image appears on your Display. The camera is ok.

• Select Options within 3sec

(After 3 seconds you have to press Option; choose Open Gallery; select Images; select Options)

• Select Delete

• Select Yes

• Press the receiver button to reach the Home Menu

• Close the phone by turning back the upper part

If the test is failed see Quick Trouble Shooter.

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BLUETOOTH & INFRARED TEST17.

Bluetooth test You need another Bluetooth device (e.g. 6230) to do a GoNoGo test. Make sure that Bluetooth is activated in the reference unit. The distance of the devices should be not more than 5m from each other.

Reference unit, Bluetooth /infrared activated Test unit

Settings on the test unit:

• Open the phone by turning the upper part 180° to the lower part

• Press the receiver button to reach the Home Menu

• Select Names and select Search for an entry

If phone and SIM memory is empty, create one new entry.

• Select an entry and select Details

• Select Options

• Select Send business card

Select Via Bluetooth

Search window appears and shows all Bluetooth units in range.

 Choose one unit and press Select

 Press Accept on the Reference unit.

 Test was successful, if you get the message “Business card received” on the Reference unit.

• Close the phone by turning back the upper part

Note: If the Bluetooth is activated, switch it off!

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GONOGO TEST18.

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 les, take care of the

right setup according to the tester type and product type. Please refer to “Recommended Service Equipment” on NOKIA Online.

Mobile Phone Tester

BATTERY TEST19.

A battery tester lets you test the capacity of NOKIA batteries.

Please refer to the actual information on NOKIA Online.

http://www.astratec.co.uk/

http://www.cadex.com/

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FORWARDING OF REPAIRS20.

When it is necessary to forward of repairs to appropriate service supplier with higher service level we recommend using the offered swap phone cartons as described in Spare Parts SB-004.

Always Protect the window with a protection lm. Put the unit under the stretch lm.

Add repair documentation e.g. lled-in service note

into the swap carton.

There are two different sizes of swap cartons for common mobile phones.

Fold the swap carton as shown in Spare Parts SB-004.

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ESD PROTECTION REQUIREMENTS21.

Please refer to the NOKIA Online document Service Supplier Requirements in folder General instructions.

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USE Conductive bags and boxes USE ESD compatible service tools USE Conductive wastebaskets USE ESD gloves when handling PWBs/PCBs USE Cleaning material without changing el. Characteristics USE Grounded service equipment, i.e. soldering station USE ESD clothes such as coat or frock

The video covers general issues concerning Electro-Static Discharge (ESD)

NO Smoking NO Drinking NO Eating NO Dust NO Useless Items NO Normal pressured air for cleaning modules/

displays

Nokia 7370 Service Manual Level 1-2

Specifications and Main Features

Frequently Asked Questions

User Manual