Page 1
Company Confidential Siemens Com
Copyright 2005© Siemens AG
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
Service Repair Documentation
Level 2.5 – CL75
Page 1 of 12
Page 2
Company Confidential Siemens Com
Copyright 2005© Siemens AG
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
Service Repair Documentation
Level 2.5 – CL75
Page 2 of 12
Page 3
Company Confidential Siemens Com
Copyright 2005© Siemens AG
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:
st-support@klf.siemens.de
Service Repair Documentation
Level 2.5 – CL75
Page 3 of 12
Page 4
Company Confidential Siemens Com
y
p
g
Copyright 2005© Siemens AG
1. CL75 Board Layout
Jigs, Tools and working materials for all described repairs:
- Hot air blower
- Soldering gun
- Tweezers
- Flux
- Solder
LED
Hall IC
IO Jack
MIC
IRDA
Backup
Batter
Battery
Connector
Speaker
rin
S
Page 4 of 12
Service Repair Documentation
Level 2.5 – CL75
Page 5
Company Confidential Siemens Com
Copyright 2005© Siemens AG
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
IO connector problems
Watch for oxidation and
damaged pad of the IO
connector
Okay
Check for dust inside the
IO connector
Not okay
Not okay
Not okay
Check the status of IO
connector visually.
Exchange
IO
connector
Not okay
Use the resistor test
function of a multimeter to
check connection between
spring contacts and
soldering contacts. The
value must be ~0Ω
Okay
Connector IO Jack
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
Page 5 of 12
Service Repair Documentation
Level 2.5 – CL75
GRT:
No Support
SCRAP don’t send
back to WSC
Clean IO
connector
- Check for twisted or
bended contacts
- Check for dry joints
Level 2 Repair
Page 6
Company Confidential Siemens Com
N
Copyright 2005© Siemens AG
3. LED
Fault Symptoms
Customer:
Keypad illumination does not work
LED’s Problems
Watch for oxidation and
damaged pads of the LED’S
Not okay
Check the status of the
LED's visually
Exchange
Keypad LED
Not okay
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.
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
GRT:
No Support
okay
okay
okay
ot okay
SCRAP don´t send
back to
- Check for dry joints
WSC
Level 2 Repair
Page 6 of 12
Service Repair Documentation
Level 2.5 – CL75
Page 7
Company Confidential Siemens Com
Copyright 2005© Siemens AG
4. Battery Connector
Customer:
Mobile does not switch on
Not okay
Exchange
battery
connector
Not okay
Connector Battery
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
Battery connector
problems
Watch for oxidation and
damaged pad of the
battery connector
Okay
Check for dust inside the
battery connector
Check the status of battery
connector visually.
Use the resistor test
function of a multimeter to
check connection between
spring contacts and
soldering contacts. The
value must be ~0Ω
GRT:
No Support
Not okay
Not okay
Okay
SCRAP don’t send
back to WSC
Clean battery
connector
- Check for twisted or
bended contacts
- Check for dry joints
Level 2 Repair
Service Repair Documentation
Level 2.5 – CL75
Page 7 of 12
Page 8
Company Confidential Siemens Com
r
Copyright 2005© Siemens AG
5. Backup Battery
Customer:
Customer parameter (date and time) are not saved
when battery is removed
Not okay
Exchange
backup
battery
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
Backup battery
problems
Watch for oxidation and
damaged pad of the
backup battery
Check the status of backup
battery visually.
Okay
Okay
Level 2 Repai
GRT:
No Support
Not okay
SCRAP don’t send
back to WSC
- Check for dry joints
Service Repair Documentation
Level 2.5 – CL75
Page 8 of 12
Page 9
Company Confidential Siemens Com
r
Copyright 2005© Siemens AG
6. Microphone
Customer:
Customer parameter (date and time) are not saved
when battery is removed
not okay
Exchange
microphone
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
Microphone problems
Watch for oxidation and
damaged around
microphone.
Okay
Check the status of
microphone visually.
Okay
Level 2 Repai
GRT:
No Support
Not okay
SCRAP don’t send
back to WSC
Service Repair Documentation
Level 2.5 – CL75
Page 9 of 12
Page 10
Company Confidential Siemens Com
Copyright 2005© Siemens AG
7. Speaker Spring
Fault Symptoms
Customer:
No ring tone under correct setting.
Speaker spring’s
problems
Watch for oxidation and
damaged pad of the
speaker spring
not okay
Check the status of speaker
spring visually.
Okay
Okay
Exchange
speaker
spring
Level 2 Repair
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
Page 10 of 12
Service Repair Documentation
Level 2.5 – CL75
GRT:
No Support
Not okay
SCRAP don’t send
back to WSC
- Check for twisted or
bended contacts
- Check for dry joints
Page 11
Company Confidential Siemens Com
Copyright 2005© Siemens AG
8. IRDA
Fault Symptoms
Customer:
No infrared connection possible.
IRDA problems
Watch for oxidation and
damaged pad of the IRDA
not okay
Check the status of IRDA
visually.
okay
Exchange
IRDA
Not okay
Use the resistor test
function of a multimeter to
check connection between
spring contacts and
soldering contacts. The
value must be ~0Ω
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
GRT:
No Support
not okay
Okay
SCRAP don’t send
back to WSC
- Check for dry joints
Level 2 Repair
Service Repair Documentation
Level 2.5 – CL75
Page 11 of 12
Page 12
Company Confidential Siemens Com
r
Copyright 2005© Siemens AG
9. Hall IC
Fault Symptoms
Customer:
No infrared connection possible.
Hall IC problems
Watch for oxidation and
damaged pad of the Hall IC
Not okay
Check the status of Hall IC
visually.
okay
Exchange
Hall IC
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).
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:
GRT:
No Support
Not okay
Okay
SCRAP don’t send
back to WSC
- Check for dry joints
Level 2 Repai
Service Repair Documentation
Level 2.5 – CL75
Page 12 of 12
Loading...