Siemens CFX65 Setup guide

Company Confidential
Copyright 2004© Siemens AG
1
Service Repair Documentation
Level 2.5 - CFX65 V1.0
Service Repair Documentation
Level 2.5 – CFX 65
Release Date Department Notes to change
1.0 10.11.2004 ICM MP CCQ GRM T New document

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
Introduction
This Service Repair Documentation is intended to carry out repairs on Siemens
repair level 2.5. The described failures shall be repaired in Siemens authorized
local workshops only.
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 CFX65 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).
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: [email protected]

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
Table of content
CFX 65 BOARD LAYOUT ...................................................................................................................... 4
LCM LAYOUT......................................................................................................................................... 6
1. B TO B CONNECTOR (J305) .......................................................................................................... 7
2. RF SWITCH (ANT300) ..................................................................................................................... 8
3. ANTENNA SPRING (J301) .............................................................................................................. 9
4. SPEAKER CONNECTOR (J200)................................................................................................... 11
5. SIDE KEY SWITCH (S400,S401)................................................................................................... 13
6. SIM READER (J302)...................................................................................................................... 15
7. I/O CONNECTOR (J304)................................................................................................................ 17
8. BACKUP BATTERY (BT414R)...................................................................................................... 18
9. IRDA (U103) ................................................................................................................................... 20
10. BATTERY CONNECTOR (J300).................................................................................................... 22
11. FUSE (F300).................................................................................................................................... 24
12. LED ON PCBA................................................................................................................................26
13. CAMERA CONNECTOR................................................................................................................. 28
14. CAMERA MODULE ........................................................................................................................ 30
15. FLASH LED..................................................................................................................................... 32

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
CFX 65 board layout
Jigs, tools and working materials for all described repairs:
-hot air blower
-soldering iron
-a pair of tweezers
-flux
-solder
(J300)
Battery
connector
(J200)
Buzzer
connector
(J302) SIM
connector
(F300) Fuse
(J304) I/O
connector
(BT414R)
Backup
battery
(U103) IrDA
(S402)
Switch
(ANT330) RF
connector
(J301) RF
switch
(S401)
Switch
(J305) B to B connector

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
LED LED

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
LCM layout
Charge pump
Mono LCM
Flash LED
Backend
B to B connector
65K LCM
Receiver
Camera connector
Camera module

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
1. B to B connector (J305)
Fault symptoms
Customer GRT
No display but main board works n/a
Camera and/ or earpiece does not work
B to B connector
Watch for oxidation and damaged
pads of the B to B connectors
SCRAP
not oka
y
oka
y
- check for twisted or
bent contacts
- check for dry joints
Check the status of the
B to B connector visuall
y
oka
y
not oka
y
Level 2,5e repair
Exchange
B to B connector
Connector board to board
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50634-Z97-C377
Soldering temperature: 240 - 255°C
IRIS diagnosis code: BA000 Accessories/ Camera
21000 Display/ Performance
22000 Display/ Background illumination

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Service Repair Documentation
Level 2.5 - CFX65 V1.0
2. RF switch (ANT300)
Fault symptoms
Customer GRT
Network search Failure in TX/ RX measurements
No location update No location update possible
RF connector
Check the status of the
RF connector visuall
y
oka
y
not oka
y
Level 2,5e repair
Exchange
RF switch
- check for twisted or
bent contacts
- check for dry joints
oka
y
Watch for oxidation and
damaged RF connector
not oka
y
Use the resistor test
function of a multimeter to
check connection between
input and output contacts.
Must be ~ 0
oka
y
SCRAP
not oka
y
oka
y
Clean
RF connector
Check for dust or dirt
inside the RF connector
not oka
y
Connector RF
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50615-Z77-C239
Soldering temperature: 240 - 255°C
IRIS diagnosis code: 45100 Interfaces/ Antenna connector/ No function

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Service Repair Documentation
Level 2.5 - CFX65 V1.0
3. Antenna spring (J301)
Fault symptoms
Customer GRT
Poor network Failure in RX/ TX measurements
No network No location update possible
Antenna spring
Exchange
antenna spring
Check the status of the
antenna spring visually
oka
y
not oka
y
Level 2,5e repair
- check for twisted or
bent contacts
- check for dry joints
Watch for oxidation and
damaged pads on the PCB
not oka
y
Use the resistor test
function of a multimeter to
check connection between
spring and soldered
contacts. Must be ~ 0
oka
y
SCRAP
not oka
y
oka
y
oka
y
Clean
antenna spring
Check for dirt on the
antenna spring
not oka
y

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Copyright 2004© Siemens AG
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Service Repair Documentation
Level 2.5 - CFX65 V1.0
Antenna spring
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50658-A136-B16
Soldering temperature: 240 - 255°C
IRIS diagnosis code: 83140 TX power fault internal antenna