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Table of Contents
Related Manuals for Siemens CX75
Summary of Contents for Siemens CX75
- Page 1 Com Company Confidential Copyright 2005© Siemens AG Service Repair Documentation Level 2.5 light – CX75, M75 Release Date Department Notes to change 06.06..2005 ICM MP CCQ GRM T New document Page TI_Repair_L2.5l_CX75_M75_R1.0.pdf Release 1.0...
- Page 2 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 CX75, M75 Level 2 repair documentation and special product dissembling instructions. 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).
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Page 3: Table Of Contents
Com Company Confidential Copyright 2005© Siemens AG Table of Content CX75, M75 board layout........................4 Connector SIM Card Reader ......................5 Connector IO Jack.........................6 Connector Board to Board......................8 Connector Battery .........................9 Connector MMC ..........................10 Connector Resister Filter......................11 Connector Camera ........................12 Connector Display ........................13 IRDA............................14... -
Page 4: Cx75, M75 Board Layout
Com Company Confidential Copyright 2005© Siemens AG 1 CX75, M75 board layout Jigs, Tools and Working materials for all described repairs: hot air blower soldering gun tweezers flux solder Joystick Connector Connector Connector Board to Display Board IO Jack... -
Page 5: Connector Sim Card Reader
Com Company Confidential Copyright 2005© Siemens AG 2 Connector SIM Card Reader Fault Symptoms Customer: GRT: Handset does not accept SIM card SIM Card Problems Connector SIM Card Reader Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. -
Page 6: Connector Io Jack
Com Company Confidential Copyright 2005© Siemens AG 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 Connector IO Jack Use soldering iron to remove defective component. - Page 7 Com Company Confidential Copyright 2005© Siemens AG Important additional soldering hints The MMC Reader is located on the opposite of the SLIM-Lumberg connector. Therefore the risk to damage the plastic material of this MMC-Reader is potentially high if excessive heat is used while removal or soldering of the SLIM-Lumberg connector.
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Page 8: Connector Board To Board
Com Company Confidential Copyright 2005© Siemens AG 3 Connector Board to Board Fault Symptoms Customer: GRT: Keyboard malfunction Keyboard malfunction Keypad illumination does not work Tbd. Connector Board to Board Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. -
Page 9: Connector Battery
Com Company Confidential Copyright 2005© Siemens AG 4 Connector Battery Fault Symptoms Customer: GRT: Mobile does not switch on No connection to GRT Connector BATTERY Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. -
Page 10: Connector Mmc
Com Company Confidential Copyright 2005© Siemens AG 5 Connector MMC Fault Symptoms Customer: GRT: MMC malfunction Tbd. Connector MMC Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number:... -
Page 11: Connector Resister Filter
Com Company Confidential Copyright 2005© Siemens AG 6 Connector RF Fault Symptoms Customer: GRT: Network search Failure by TX/RX measurements No location update possible No location update possible Connector RF Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. -
Page 12: Connector Camera
Com Company Confidential Copyright 2005© Siemens AG 7 Connector Camera Fault Symptoms Customer: GRT: Camera malfunction Tbd. Connector CAMERA Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number:... -
Page 13: Connector Display
Com Company Confidential Copyright 2005© Siemens AG 8 Connector Display Fault Symptoms Customer: GRT: Display problems, like missing lines or columns on Display problems the LCD or display contrast problems or illumination problems Connector DISPLAY Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. -
Page 14: Irda
Com Company Confidential Copyright 2005© Siemens AG 9 IRDA Fault Symptoms Customer: GRT: No infrared connection possible Tbd. IRDA Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number:... -
Page 15: Joystick
Com Company Confidential Copyright 2005© Siemens AG 10 JOYSTICK Fault Symptoms Customer: GRT: Joystick malfunction Tbd. Joystick Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components! Resolder new component afterwards. E-commerce order number: L36315-Z77-C218...