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Company Confidential
Copyright 2004© Siemens AG

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Service Repair Documentation Level 2.5 ­ AX75

Release 1.0

Date 17.05.2005

Department ICM MP CC GRM T

Notes to change New document

Page 1 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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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.: +49 2842 95 4666 Fax: +49 2842 95 4302 E-mail: [email protected]

Page 2 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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Table of Content
1 2 3 4 5 6 7 AX 75 board layout ........................................................................................................................4 Connector SIM Card Reader .........................................................................................................5 Connector IO Jack.........................................................................................................................6 Connector Battery .........................................................................................................................7 Connector Display .........................................................................................................................8 IRDA Diode ...................................................................................................................................9

LED_Keypad ...........................................................................................................................T11

Page 3 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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1 AX75 board layout
Jigs, Tools and Working materials for all described repairs: - hot air blower - soldering gun - tweezers - flux - solder
IO-Slim Jack Connector Battery IRDA

Connector SIM Card Reader

Capacitor, Resistor, Filter

LED´s

Connector Display

Page 4 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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2 Connector SIM Card Reader
Fault Symptoms Customer:
Handset does not accept SIM card

GRT:
SIM Card Problems

SIM Card Problems

Watch for oxidation and damaged pads of the SIM card reader
okay

not okay

SCRAP has to be send separately to WSC

not okay

Check the status of the SIM card reader visually
okay

- check for twisted or bended contacts - check for dry joints

Exchange SIM Card reader

not okay

Use the resistor test function of a multimeter to check connection between spring contacts and soldering contacts. The value must be ~0

okay

Level 2 Repair

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: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36334-Z97-C337 CONNECTOR SIM CARD READER K1 ~ 360°C Tip Temp. 43300 Interface/SIM Cardreader/Mechanical Damage

Page 5 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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3 Connector IO Jack
Fault Symptoms Customer:
Charging Problems Problems with external loudspeaker or microphone when using a car kit Problems with accessories connected at the IO connector

GRT:
No connection to GRT Tbd.

IO connector Problems
Watch for oxidation and damaged pads of the IO connector
okay not okay

SCRAP has to be send separately to WSC

Check for dust inside the IO connector
okay not okay

not okay

Clean IO connector

Check the status of the IO connector visually
okay

- check for twisted or bended contacts - check for dry joints

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 ~0

okay

Level 2 Repair

Connector IO Jack
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36334-Z93-C303 IO-JACK SLIM 12-POL ~ 360°C Tip Temp. 46100 Interface/Charging Connector/Mechanical Damage 47300 Interface/Data Interface/Mechanical Damage 4B100 Interface/Headset Connector/Mechanical Damage

Page 6 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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4 Connector Battery
Fault Symptoms Customer:
Mobile does not switch on

GRT:
No connection to GRT

Battery connector Problems

Watch for oxidation and damaged pads of the battery connector
okay

not okay

SCRAP has to be send separately to WSC

not okay

Check the status of the battery connector visually
okay

- check for twisted or bended contacts - check for dry joints

Exchange Battery connector

not okay

Use the resistor test function of a multimeter to check connection between spring contacts and soldering contacts. The value must be ~0

okay

Level 2 Repair

Connector BATTERY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36334-Z97-C213 CONNECTOR BATTERY 3-POL ~ 360°C Tip Temp. 13000 Battery/Mechanical Damage

Page 7 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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5 Connector Display
Fault Symptoms Customer:
Display problems, like missing lines or columns on the LCD or display contrast problems or illumination problems

GRT:
Display problems

Display connector Problems

Watch for oxidation and damaged pads of the display connector
okay

not okay

SCRAP has to be send separately to WSC

not okay

Check the status of the display connector visually
okay

- check for twisted or bended contacts - check for dry joints

Exchange Display connector

not okay

Use the resistor test function of a multimeter to check connection between spring contacts and soldering contacts. The value must be ~0

okay

Level 2 Repair

Connector DISPLAY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36334-Z97-C205 CONNECTOR DISPLAY 10POL ~ 360°C Tip Temp. 21000 Display / Performance 22000 Display / Background Illumination

Page 8 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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6 IRDA Diode
Fault Symptoms Customer:
IRDA does not work

GRT:
Tbd.

IRDA Problems

Watch for oxidation and damaged pads of the IRDA Diode
okay

not okay

SCRAP has to be send separately to WSC

not okay

Check the status of the IRDA Diode visually
okay

- check for dry joints

Exchange IRDA Diode

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: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36197-F5008-F492 IRDA 115.2 KBIT ~ 360°C Tip Temp. 41100 Interfaces / IRDA / No Function 41300 Interfaces / IRDA / Mechanical Damage

Page 9 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0

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7 LED_ KEYPAD
Fault Symptoms Customer:
Keypad Background illumination does not work

GRT:
Tbd.

LED's Problems

Watch for oxidation and damaged pads of the LED'S
okay

not okay

SCRAP has to be send separately to WSC

not okay

Check the status of the battery connector visually
okay

- check for dry joints

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.

okay

Level 2 Repair

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: E-commerce order name: Soldering temperature: IRIS Diagnose Code: L36840-L2056-D670 LED AMBER ~ 360°C Tip Temp. 22000 Display / Background Illumination

Page 10 of 10 Service Repair Documentation TI_Repair_L2,5L_AX75_R1.0