Siemens CL75 Setup guide

Company Confidential Siemens Com
Copyright 2005© Siemens AG
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
Copyright 2005© Siemens AG
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
Copyright 2005© Siemens AG
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.: [phone]
Fax: [phone]
e-mail: [email protected]

Company Confidential Siemens Com
Copyright 2005© Siemens AG
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
y
IO Jack
Battery
Connector
MIC
Speaker
S
p
rin
g

Company Confidential Siemens Com
Copyright 2005© Siemens AG
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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
IO
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

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Copyright 2005© Siemens AG
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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
N
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

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Copyright 2005© Siemens AG
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
Copyright 2005© Siemens AG
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
r
- 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
Copyright 2005© Siemens AG
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
r
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

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Copyright 2005© Siemens AG
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

Company Confidential Siemens Com
Copyright 2005© Siemens AG
Page 11 of 12
Service Repair Documentation
Level 2.5 – CL75
8. IRDA
Fault Symptoms
Customer:
No infrared connection possible.
GRT:
No Support
okay
Watch for oxidation and
damaged pad of the IRDA
IRDA problems
not okay
Check the status of IRDA
visually.
Exchange
IRDA
Not okay
not okay
- 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
SCRAP don’t send
back to WSC
IRDA
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding
components! Re-solder new component afterwards.
E-commerce order number: V20810-U6208-D670
Soldering temperature: 240 – 255°C
IRIS Diagnose Code: 41100 Interfaces/ IRDA / No Function
41300 Interfaces/ IRDA / Mechanical Damage

Company Confidential Siemens Com
Copyright 2005© Siemens AG
Page 12 of 12
Service Repair Documentation
Level 2.5 – CL75
9. Hall IC
Fault Symptoms
Customer:
No infrared connection possible.
GRT:
No Support
okay
Watch for oxidation and
damaged pad of the Hall IC
Hall IC problems
Not okay
Check the status of Hall IC
visually.
Exchange
Hall IC
Not okay
Not okay
Power on the handset and
use voltage test in multimeter
to measure pin2 output with a
magnet closing (high to low)
and removing (low to high).
- Check for dry joints
Okay Level 2 Repai
r
SCRAP don’t send
back to WSC
Hall IC
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding
components! Re-solder new component afterwards.
E-commerce order number: V20810-U6207-D670
Soldering temperature: 240 – 255°C
IRIS Diagnose Code: