SIEMENS CF75, CF76 Service Repair Documentation Level 2.5

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Copyright 2005© Siemens AG

Service Repair Documentation

Level 2.5 – CF75 / CF76

Release Date Department Notes to change

1.0 02.08.2005 ICM MP CC GRM T New document

Service Repair Documentation
TI_Repair_L2,5L_CF75_CF76_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 CF75, CF76 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 CF75, CF76 related Customer
Care Information

CF75 Partnumber on IMEI label: S30880-S6010-#xxx
CF76 Partnumber on IMEI label: S30880-S6090-#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 do not
hesitate to contact our technical support team in Kamp-Lintfort, Germany:

Tel.: [phone]
Fax: [phone]
E-mail: [e-mail]

Service Repair Documentation
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Table of Content

1 CF75, CF76 board layout ..............................................................................................................4

2 Connector SIM Card Reader .........................................................................................................5

3 Connector IO Jack.........................................................................................................................6

4 Connector Board to Board.............................................................................................................7

5 Connector Battery .........................................................................................................................8

6 IRDA..............................................................................................................................................9

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1 CF75, CF76 board layout

Jigs, Tools and Working materials for all described repairs:

- hot air blower

- soldering gun

- tweezers

- flux

- solder

Connector
BOARD TO BOARD

IRDA

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Connector
SIM CARD READER

Connector
BATTERY

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Connector
IO JACK

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2 Connector SIM Card Reader

okay

okay

not okay

SCRAP has to be

send separately to

WSC

- check for twisted or
bended contacts

- check for dry joints

okay

Level 2 Repair

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

not okay

Check the status of the
SIM card reader visually

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 ~0Ω

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: L50634-Z97-C406
E-commerce order name: CONNECTOR SIM CARD READER R65 (B)
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 43300 Interface/SIM Cardreader/Mechanical Damage

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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

okay

Check for dust inside
the IO connector

not okay

Check the status of the
IO connector visually

okay

okay

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!
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

not okay

not okay

SCRAP has to be

send separately to

WSC

Clean
IO connector

- check for twisted or
bended contacts

- check for dry joints

Level 2 Repair

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4 Connector Board to Board

Fault Symptoms

Customer: GRT:

Display problems, like missing lines or columns on the LCD or
display contrast problems or illumination problems

B to B connector Problems

Watch for oxidation and
damaged pads of the BtoB
connector

okay

not okay

Check the status of the
BtoB connector visually

okay

Exchange
BtoB connector

Level 2 Repair

Connector Board to Board

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

E-commerce order number: L36334-Z97-C341
E-commerce order name: CONNECTOR BOARD TO BOARD 30-POL
Soldering temperature: ~ 360°C TIP Temp.
IRIS Diagnose Code: 32100 Keys / Main / No Function

32200 Keys / Main / Reduced Functionality
36000 Keys / Illumination

Display problems

not okay

- check for twisted or

- check for dry joints

SCRAP has to be

send separately to

WSC

bended contacts

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5 Connector Battery

okay

okay

not okay

SCRAP has to be

send separately to

WSC

- check for twisted or
bended contacts

- check for dry joints

okay

Level 2 Repair

Fault Symptoms

Customer: GRT:

Mobile does not switch on No connection to GRT

Battery connector
Problems

Watch for oxidation and
damaged pads of the battery
connector

not okay

Check the status of the
battery connector visually

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 ~0Ω

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-C336
E-commerce order name: CONNECTOR BATTERY 3-POL R65
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 13000 Battery/Mechanical Damage

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6 IRDA

okay

okay

not okay

SCRAP has to be

send separately to

- check for dry joints

Fault Symptoms

Customer: GRT:

IRDA does not work Tbd.

IRDA Problems

Watch for oxidation and
damaged pads of the IRDA
Diode

not okay

Check the status of the
IRDA Diode visually

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: 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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