Siemens CL75 Guida all'installazione

Company Confidential Siemens Com

Page 1 of 12

Service Repair Documentation

Level 2.5 – CL75

Service Repair Documentation

Level 2.5 – CL75

Release Date Department Notes to change

1.0 23.08.2005 COM MD CC GRM T New document

Company Confidential Siemens Com

Page 2 of 12

Service Repair Documentation

Level 2.5 – CL75

Table Of Contents

1. CL75 Board Layout ....................................................................................4

2. System Connector.......................................................................................5

3. LED.............................................................................................................6

4. Battery Connector.......................................................................................7

5. Backup Battery............................................................................................8

6. Microphone.................................................................................................9

7. Speaker Spring..........................................................................................10

8. IRDA.........................................................................................................11

9. Hall IC.......................................................................................................12

Company Confidential Siemens Com

Page 3 of 12

Service Repair Documentation

Level 2.5 – CL75

Introduction

This Service Repair Documentation is intended to carry out repairs on Siemens

repair level 2.5. The described failures shall be repaired in Siemens authorized local

workshops only.

All repairs have to be carried out in an ESD protected environment and with ESD

protected equipment/tools. For all activities the international ESD regulations have to be

considered.

Assembling/disassembling has to be done according to the latest CL75 Level 2 repair

documentation. It has to be ensured that every repaired mobile Phone is checked

according to the latest released General Test Instruction document (both documents

are available in the Technical Support section of the C-market).

Check at least weekly C-market for updates and consider all CL75 related Customer

Care Information.

If you have any questions regarding the repair procedures or technical questions

spare not hesitate to contact our technical support team in Kamp-Lintfort, Germany:

Tel.: +49 2842 95 4666

Fax: +49 2842 95 4302

e-mail: [email protected]

Company Confidential Siemens Com

Page 4 of 12

Service Repair Documentation

Level 2.5 – CL75

1. CL75 Board Layout

Jigs, Tools and working materials for all described repairs:

- Hot air blower

- Soldering gun

- Tweezers

- Flux

- Solder

LED

Hall IC

IRDA

Backup

Batter

IO Jack

Battery

Connector

MIC

Speaker

rin

Company Confidential Siemens Com

Page 5 of 12

Service Repair Documentation

Level 2.5 – CL75

2. System Connector

Fault Symptoms

Customer:

Charging Problems

Problems with external loudspeaker or microphone when using a car kit

Problems with accessories connected at the system connector

GRT:

No Support

Okay

Watch for oxidation and

damaged pad of the IO

connector

Not okay

Not okay Clean IO

connector

Check for dust inside the

IO connector

SCRAP don’t send

back to WSC

IO connector problems

Connector IO Jack

Check the status of IO

connector visually.

Exchange

connector

Not okay

Not okay - Check for twisted or

bended contacts

- Check for dry joints

Okay Level 2 Repair

Use the resistor test

function of a multimeter to

check connection between

spring contacts and

soldering contacts. The

value must be ~0Ω

Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding

components! Re-solder new component afterwards.

E-commerce order number: C39334-Z97-C448

Soldering temperature: 240 – 255°C

IRIS Diagnose Code: 46100 Interface/ Charging Connector/ Mechanical Damage

47300 Interface/ Data Interface/ Mechanical Damage

4B100 Interface/ Headset Connector/ Mechanical Damage

Company Confidential Siemens Com

Page 6 of 12

Service Repair Documentation

Level 2.5 – CL75

3. LED

Fault Symptoms

Customer:

Keypad illumination does not work

GRT:

No Support

LED’s Problems

Check the status of the

LED's visually

okay

Not okay

Level 2 Repair

Exchange

Keypad LED

- Check for dry joints

Watch for oxidation and

damaged pads of the LED’S

Use the diode test

function of a multimeter

to check the status of

the diode. The typical

voltage drop on the

diode is 1.7 V when

testing the diode

function with the

multimeter.

okay

Not okay

okay

ot okay

SCRAP don´t send

back to WSC

LED

Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding

components! Resolder new component afterwards. Attention: Remove Metal Dome Sheet before!!!

E-commerce order number: V20810-U6208-D670

Soldering temperature: 240 - 255°C

IRIS Diagnose Code: 36000 Keys/Illumination

Company Confidential Siemens Com

Page 7 of 12

Service Repair Documentation

Level 2.5 – CL75

4. Battery Connector

Customer:

Mobile does not switch on

GRT:

No Support

Okay

Not okay Clean battery

connector

Check for dust inside the

battery connector

Watch for oxidation and

damaged pad of the

battery connector

Not okay SCRAP don’t send

back to WSC

Battery connector

problems

Connector Battery

Check the status of battery

connector visually.

Exchange

battery

connector

Not okay

Not okay - Check for twisted or

bended contacts

- Check for dry joints

Okay Level 2 Repair

Use the resistor test

function of a multimeter to

check connection between

spring contacts and

soldering contacts. The

value must be ~0Ω

Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding

components!

E-commerce order number: C39334-Z97-C486

Soldering temperature: 240 – 255°C

IRIS Diagnose Code: 91500 Functionality / Switch Off Problems / Battery Contacts Damage

Company Confidential Siemens Com

Page 8 of 12

Service Repair Documentation

Level 2.5 – CL75

5. Backup Battery

Customer:

Customer parameter (date and time) are not saved

when battery is removed

GRT:

No Support

Okay

Watch for oxidation and

damaged pad of the

backup battery

Backup battery

problems

Not okay SCRAP don’t send

back to WSC

Not okay

Exchange

backup

battery

Level 2 Repai

- Check for dry joints

Check the status of backup

battery visually.

Okay

Backup Battery

Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding

components! Re-solder new component afterwards.

E-commerce order number: V39328-F2705-Z2

Soldering temperature: 240 – 255°C

IRIS Diagnose Code: C8100 Settings/ General / Clock / Date

Company Confidential Siemens Com

Page 9 of 12

Service Repair Documentation

Level 2.5 – CL75

6. Microphone

Customer:

Customer parameter (date and time) are not saved

when battery is removed

GRT:

No Support

Okay

Watch for oxidation and

damaged around

microphone.

Microphone problems

not okay

Okay

Not okay

Exchange

microphone Level 2 Repai

Check the status of

microphone visually.

SCRAP don’t send

back to WSC

Microphone

Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding

components!

E-commerce order number: C39254-Z6-C139

Soldering temperature: 240 – 255°C

IRIS Diagnose Code: 73110 Acoustics/ Transmitting / Microphone / No Function

73130 Acoustics/ Transmitting / Microphone / Mechanical damage

73140 Acoustics/ Transmitting / Microphone / Noise

Company Confidential Siemens Com

Page 10 of 12

Service Repair Documentation

Level 2.5 – CL75

7. Speaker Spring

Fault Symptoms

Customer:

No ring tone under correct setting.

GRT:

No Support

Okay

not okay

Exchange

speaker

spring Level 2 Repair

- Check for twisted or

bended contacts

- Check for dry joints

Check the status of speaker

spring visually.

Watch for oxidation and

damaged pad of the

speaker spring

Speaker spring’s

problems

Not okay SCRAP don’t send

back to WSC

Okay

Speaker Spring

Use tweezers to remove defective component. Avoid excessive heat! Watch surrounding components!

Re-solder new component afterwards.

E-commerce order number: C39334-Z97-C487

Soldering temperature: 240 – 255°C

IRIS Diagnose Code: 74000 Acoustics/ Ringer / No Function

41300 Acoustics/ Ringer / Mechanical Damage

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