BENQ-SIEMENS Vodafone C72 Service Manual Download Page 45

Page: 45 / 45

Release

1.0

Technical Documentation

11/2005

TD_Repair_L1-L3_C72_R1.0.pdf

Page 45 of 45

24 RF Antenna Capacitor

Fault Symptoms

Customer: GRT:
Network search

Failure by TX/RX measurements

No location update possible

Network

Problems

Watch for oxidation

SCRAP

- has to be send

separately to WSC

Check the status of the

Capacitor visually

okay

- check for twisted or
bent contacts
- check for dry joints
- check for dust
inside the connector

Continue with

higher repair level

Exchange

Capacitor

caused by customer

Back to customer

without repair

okay

not
okay

RF Antenna Capacitor

Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.

E-commerce order number:

L36853-C9060-D805

Soldering temperature:

240 - 255°C

81100 Radio / No Contact / Int. Antenna

81200 Radio / No Contact / Ext. Antenna

82100 Radio / Low Receiving Signal / Int. Antenna

82200 Radio / Low Receiving Signal / Ext. Antenna

83100 Radio / Dropped Calls / Int. Antenna

83200 Radio / Dropped Calls / Ext. Antenna

84100 Radio / Call Setup / Int. Antenna

Company Confidential

2005©BenQ

Summary of Contents for Vodafone C72

Page 1: ...ical Documentation 11 2005 TD_Repair_L1 L3_C72_R1 0 pdf Page 1 of 45 Service Manual C72 Level 1 3 Release Date Department Notes to change R1 0 29 11 2005 BenQMobile S CC CES New document Company Confi...

Page 2: ...5 9 JPICS Java based Product Information Controlling System 20 9 International Mobile Equipment Identity IMEI 26 10 General Testing Information 27 11 Introduction of Service Repair Documentation Level...

Page 3: ...HR FR EFR and Adaptive Multi Rate are available as standard Temperature Range 100 C to 550 C Normal operation 300 C to 850 C Storage capability Display Type Full Graphic Resolution 130 x 130 Pixel Col...

Page 4: ...finder on key 5 Operator key Acoustics 3 in 1 earpiece for Handset Hands free and Ring tones Omni directional microphone Loud signal emitter sound ringer 100 dBA SPL 5cm Hong Kong spec Polyphonic rin...

Page 5: ...fit the existing design The I O Connector Lumberg slim connector is in use The compatible interface is suitable to use the travel charger 3 Unit Description of C72 The C72 is designed as a two PCB ph...

Page 6: ...5 4 Exploded View of C72 Display window Design Ring Upper Case Keypad Speaker Mesh Screws Display Module SAR Frame Metal Dome Foil MMI PCB PCB Camera Module Acoustic Sealing Microphone Irda Lens Anten...

Page 7: ...rence of an ESD disruptive discharge The SIM contacts may be open thus reachable for ESD contact discharge This could lead to damage or destruction of the E Gold pins It is a requirement for the servi...

Page 8: ...one while holding firmly the lower case as shown Step 7 The keypad can be separated from the upper case as shown Step 8 To remove the SAR frame and Light Guide assembly from the lower mounting frame u...

Page 9: ...ver and the Camera Step 12 Remove the Acoustic sealing Vibra motor and MIC from the lower case Step 13 Use the tool shown to remove the MMI PCB from the SAR frame Insert the tool carefully on the side...

Page 10: ...Release 1 0 Technical Documentation 11 2005 TD_Repair_L1 L3_C72_R1 0 pdf Page 10 of 45 Step 13 Fully disassembled C65 Company Confidential 2005 BenQ...

Page 11: ...ssembling of the phone During the installation of the SIM card make sure that the SIM card is inserted properly and that the golden contact area is facing downwards Insert the SIM card downwards to lo...

Page 12: ...s BenQ Mobile Service Equipment For disassembling assembling Torque Screwdriver Part Number F30032 P 228 A1 Opening tool Case opening without destroying Part Number F30032 P 38 A1 Alternative Opening...

Page 13: ...s you need to repair click onto the in front of the product name Check Com Port setting If necessary change it Check speed setting Select always the lowest speed if your PC does not have a fast serial...

Page 14: ...to the database Start with Connect It you IT infrastructure parameter have changed use this button to move to the configuration mask End the connection with a click onto the Exit button appearing aft...

Page 15: ...sation have to be available Operator SWAP This area is only accessible if you are released by the service management to perform SW Updates for Net Operators Basis for the decision if a SW Update is au...

Page 16: ...Version of Service Release Table SW c Version of Master Table SW Window to select the mobile phone CPU Select boxes for Content xfs Settings mapping Attention Activation of the boxes will cause erase...

Page 17: ...Update Remarks The decision about a Siemens authorised SW Update depends only on the Service Release Table The SW which is booted by GRT can be below the SW mentioned in the Service Release Table if...

Page 18: ...oxes in front of xfs and mapping Remarks The decision about a Siemens authorised SW Update depends only on the Master Table The user has no chance to influence the decision Xfs and mapping are always...

Page 19: ...Yes activate the boxes in front of xfs and mapping Remarks The decision about a Siemens authorised SW Update depends only on the Master Table The user has no chance to influence the decision Xfs and...

Page 20: ...0 of 45 9 JPICS Java based Product Information Controlling System Overview The following functions are available for the LSO General mobile information Generate PINCODE Generate SIMLOCK UNLOCK Code Pr...

Page 21: ...rver is only available for authorized users with a specially coded smart card These smart cards and the administration of the JPICS web server and the PICS database server can only be provided by the...

Page 22: ...this order 1 Smart Card Reader Omnikey Cardman 2020 USB or Cardman 3121 USB 2 CardOS interface Siemens Version 3 0 B 3 Java Runtime Environment Sun 4 Java additional components Every user is responsib...

Page 23: ...odes In the JPICS application you can choose to generate Masterphone codes Simlock Unlock Codes Masterphone codes The Masterphone code is used to unlock blocked mobiles Masterphone codes can only be s...

Page 24: ...The Simlock Unlock Codes can only be generated if the following conditions are given Mobile must have an active Simlock inside The user must be given the authorization to obtain Simlock Unlock Codes...

Page 25: ...ls are being printed the setting Print test labels 9 is activated by default After having printed a well aligned test label you can uncheck the setting and print the correct label Hint For correct pri...

Page 26: ...number for the AX72 is S30880 S2860 xxx where the last for letters specify the housing and software variant AX72 series IMEI label is accessible by removing the battery Re use of IMEI label is possib...

Page 27: ...uipment tools For all activities the international ESD regulations have to be considered Get delivery Ensure that every required information like fault description customer data a s o is available Ens...

Page 28: ...of the battery Check battery charging capability of the mobile phone Check charging capability of the power supply Check current consumption of the mobile phone in different mode Visual inspection Ch...

Page 29: ...file Band 1 GSM900 Band 2 GSM1800 2 Test file Band 1 GSM1900 Internal Antenna Test case Parameter Measurements Limits 1 Location Update GSM Band 1 BS Power 55 dBm middle BCCH Display check individual...

Page 30: ...2 high TCH second highest PCL BS Power 75 dBm middle BCCH Frequency Error Phase Error RMS Phase Error Peak Average Power Power Time Template GSM Spec 12 RX GSM Band2 high TCH BS Power 102 dBm 50 Fram...

Page 31: ...est SIM Card There are two different Test SIM Cards in use 1 Test SIM Card from the company ORGA Pin 1 number 0000 PUK 1 12345678 Pin 2 number 0000 PUK 2 23456789 2 Test SIM Card from the company T D1...

Page 32: ...r A B Sanyo Date code example N 9 A SY Year N 2001 O 2002 Supplier Code Month 1 Jan 2 Feb 9 Sep O Oct N Nov D Dec Maker s marking Revision Letter A B NEC Date code example N 8 A NT Year N 2001 O 2002...

Page 33: ...ll 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 Check at least weekl...

Page 34: ...X1504 L36334 Z93 C303 IO JACK SLIM 12 POL C72 X1604 L50634 Z97 C406 CONNECTOR SIM CARD READER R65 B C72 X2202 L36334 Z97 C205 CONNECTOR DISPLAY 10POL C72 X2705 L36334 Z97 C162 CONNECTOR BOARD TO BOARD...

Page 35: ...df Page 35 of 45 14 C72 Board layout Upper board side Joystick Connector Display Connector Board to Bord Lower board side Connector Battery Connector RF IRDA Connector CAMERA Connector SIM CARD READER...

Page 36: ...to check connection between spring contacts and soldering contacts The value must be 0 Exchange SIM Card reader Continue with higher repair level Exchange the damaged Filter okay okay okay not okay no...

Page 37: ...of a multimeter to check connection between spring contacts and soldering contacts The value must be 0 Exchange IO connector Continue with higher repair level Clean IO connector okay okay okay not oka...

Page 38: ...eter to check connection between spring contacts and soldering contacts The value must be 0 Exchange Battery Connector Continue with higher repair level okay not okay not okay check for twisted or ben...

Page 39: ...function of a multimeter to check connection between spring contacts and soldering contacts The value must be 0 Exchange Display Connector Continue with higher repair level okay not okay not okay che...

Page 40: ...er to check connection between spring contacts and soldering contacts The value must be 0 Exchange Connector Continue with higher repair level okay not okay not okay check for twisted or bent contacts...

Page 41: ...ge IRDA Diode Change IRDA settings Not okay okay Check for dry joints caused by customer Back to customer without repair okay not okay okay Continue with higher repair level IRDA Use hot air blower to...

Page 42: ...a multimeter to check connection between spring contacts and soldering contacts The value must be 0 Exchange Connector Continue with higher repair level okay not okay not okay check for twisted or ben...

Page 43: ...heck for dry joints check for dust inside the connector Continue with higher repair level caused by customer Back to customer without repair okay not okay Connector RF Use hot air blower to remove def...

Page 44: ...Continue with higher repair level okay Check for dry joints Exchange IRDA Diode caused by customer Back to customer without repair okay not okay Joystick Use hot air blower to remove defective compone...

Page 45: ...tor Continue with higher repair level Exchange Capacitor caused by customer Back to customer without repair okay not okay RF Antenna Capacitor Use hot air blower to remove defective component Avoid ex...

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