Siemens AX75 Setup guide

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Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
Service Repair Documentation
Level 2.5 – AX75
Release Date Department Notes to change
1.0 17.05.2005 ICM MP CC GRM T New document

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Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
Introduction
This Service Repair Documentation is intended to carry out repairs on Siemens repair level
2.5Light. The described failures shall be repaired in Siemens authorized local workshops
only.
The level 2.5light (former Level 2.5 ) partners are obliged to repair boards, up to their repair
level, under consideration of the information given by level 2.5Light (former level 2.5) repair
instruction.
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 AX75 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 AX75 related Customer Care
Information
AX75 Partnumber on IMEI label: S30880-S7800-#xxx
, while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102....
Scrap Handling: All Scrap information given in this manual are related to the
SCRAP-Rules and instructions.
Attention: Consider the new "LEAD-FREE" soldering rules
(available in the communication market), avoid excessive heat.
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]

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Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
Table of Content
1AX 75 board layout........................................................................................................................4
2Connector SIM Card Reader .........................................................................................................5
3Connector IO Jack.........................................................................................................................6
4Connector Battery .........................................................................................................................7
5Connector Display .........................................................................................................................8
6IRDA Diode ...................................................................................................................................9
7LED_Keypad ...........................................................................................................................T11

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Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
1 AX75 board layout
Jigs, Tools and Working materials for all described repairs:
- hot air blower
- soldering gun
- tweezers
- flux
- solder
IRDA
Connector
Battery
IO-Slim
Jack
Capacitor,
Resistor, Filter
Connector SIM
Card Reader
LED´s
Connector
Display

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Service Repair Documentation
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2 Connector SIM Card Reader
Fault Symptoms
Customer: GRT:
Handset does not accept SIM card SIM Card Problems
SIM Card Problems
Watch for oxidation and
damaged pads of the SIM
card reader
SCRAP has to be
send separately to
WSC
not okay
okay
Check the status of the
SIM card reader visually
okay
not okay - check for twisted or
bended contacts
- check for dry joints
Level 2 Repair
Exchange
SIM Card reader
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts. The value
must be ~0Ω
not okay okay
Connector SIM Card Reader
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36334-Z97-C337
E-commerce order name: CONNECTOR SIM CARD READER K1
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 43300 Interface/SIM Cardreader/Mechanical Damage

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Service Repair Documentation
TI_Repair_L2,5L_AX75_R1.0
3 Connector IO Jack
Fault Symptoms
Customer: GRT:
Charging Problems No connection to GRT
Problems with external loudspeaker or microphone when using a car kit Tbd.
Problems with accessories connected at the IO connector
IO connector Problems
Watch for oxidation and
damaged pads of the
IO connector
SCRAP has to be
send separately to
WSC
okay
Clean
IO connector
Check for dust inside
the IO connector
okay
not okay
not okay
Exchange
IO connector
Check the status of the
IO connector visually
okay
not okay - check for twisted or
bended contacts
- check for dry joints
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
not okay okay
Connector IO Jack
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36334-Z93-C303
E-commerce order name: IO-JACK SLIM 12-POL
Soldering temperature: ~ 360°C Tip Temp.
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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Service Repair Documentation
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4 Connector Battery
Fault Symptoms
Customer: GRT:
Mobile does not switch on No connection to GRT
Battery connector
Problems
Check the status of the
battery connector visually
okay
not okay
Level 2 Repair
Exchange
Battery connector
- check for twisted or
bended contacts
- check for dry joints
Watch for oxidation and
damaged pads of the battery
connector
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts. The value
must be ~0Ω
not okay okay
okay
not okay SCRAP has to be
send separately to
WSC
Connector BATTERY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36334-Z97-C213
E-commerce order name: CONNECTOR BATTERY 3-POL
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 13000 Battery/Mechanical Damage

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5 Connector Display
Fault Symptoms
Customer: GRT:
Display problems, like missing lines or columns on
the LCD or display contrast problems or illumination
problems
Display problems
Display connector
Problems
Check the status of the
display connector visually
okay
not okay
Level 2 Repair
Exchange
Display connector
- check for twisted or
bended contacts
- check for dry joints
Watch for oxidation and
damaged pads of the display
connector
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts. The value
must be ~0Ω
not okay okay
okay
not okay SCRAP has to be
send separately to
WSC
Connector DISPLAY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36334-Z97-C205
E-commerce order name: CONNECTOR DISPLAY 10POL
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 21000 Display / Performance
22000 Display / Background Illumination

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6 IRDA Diode
Fault Symptoms
Customer: GRT:
IRDA does not work Tbd.
IRDA Problems
Watch for oxidation and
damaged pads of the IRDA
Diode
SCRAP has to be
send separately to
WSC
not okay
okay
Exchange
IRDA Diode
Check the status of the
IRDA Diode visually
okay
not okay - check for dry joints
Level 2 Repair
Irda Diode
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36197-F5008-F492
E-commerce order name: IRDA 115.2 KBIT
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 41100 Interfaces / IRDA / No Function
41300 Interfaces / IRDA / Mechanical Damage

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Service Repair Documentation
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7 LED_ KEYPAD
Fault Symptoms
Customer: GRT:
Keypad Background illumination does not work Tbd.
LED’s Problems
Check the status of the
battery connector 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.
not okay okay
okay
not okay SCRAP has to be
send separately to
WSC
LED_ KEYPAD
Remove metal dome sheet before replace LED’s Use soldering iron to remove defective component. Avoid
excessive heat! Watch surrounding components! Resolder new component afterwards. The metal dome jip
must be used to place the metal dome sheet.
E-commerce order number: L36840-L2056-D670
E-commerce order name: LED AMBER
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 22000 Display / Background Illumination