Siemens SX1 Operator's manual

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SX1 Company Confidential
Copyright 2003© Siemens AG 06/03
SX1
Level 2.5
Repair Documentation
V 1.0

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SX1 Company Confidential
Copyright 2003© Siemens AG 06/03
Table of Content
1 Introduction ......................................................................................................................... 3
2 I/O Connector (Slim Lumberg) ........................................................................................... 4
3 Battery Connector................................................................................................................ 8
4 Speaker Connector............................................................................................................. 11
5 Antenna Connector ............................................................................................................ 14
6 Card Reader ....................................................................................................................... 17
7 MMI Connector ................................................................................................................. 20
8 IRDA ................................................................................................................................. 23
9 Camera Connector ............................................................................................................. 26
10 Joystick Switch .................................................................................................................. 29
11 Keyboard LEDs ................................................................................................................. 32
12 MMI Connector ................................................................................................................. 32
13 Display Connector ............................................................................................................. 38

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SX1 Company Confidential
Copyright 2003© Siemens AG 06/03
1 Introduction
SX1 product family, consists of 1 tripleband (GSM900, GSM1800 and GSM1900) handset
Partnumber on IMEI label:
SX1: S36880-S6500-#xxx
, while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102....
This manual is intended to help you carry out repairs on level 2.5, meaning limited
component repairs. The documented failure highlights should be repaired in the local
workshops.
All repairs have to be carried out in an environment set up according to the ESD (Electrostatic
Discharge Sensitive Devices) regulations defined in international standards.
If you have any questions regarding the repair procedures or technical questions about the
spare parts do not hesitate to contact our technical support team in Kamp-Lintfort, Germany:
Tel.: [phone]
Fax: [phone]
E-mail: [email protected]ens.de

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SX1 Company Confidential
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2 I/O Connector (Slim Lumberg)
2.1. Affected Units
2.1.1. Type: SX1
2.1.2. Affected IMEIs / Date Codes: All / All
2.1.3. Affected SW Versions: All
2.2. Fault Description
2.2.1. Fault Symptoms for customers:
- Charging problems.
- Problems with external loudspeaker or microphone when using a car kit.
- Problems with accessories connected at the I/O - connector.
- Problems with SW booting
2.2.2. Fault Symptoms on GSM Tester:
This fault cannot be detected with a GSM-Tester
2.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined

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SX1 Company Confidential
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2.4. Repair Documentation:
2.4.1. Description of procedure:
2.4.1.1. Diagnosis:
Visually check the bottom connector. Watch for oxidation and dry solder joints.
2.4.1.2. Repair by component change:
Use hot air blower remove defective I/O connector.
Avoid excessive heat!
Watch surrounding components!
Resolder new I/O connector afterwards.
2.4.1.3. Repair by Software booting:
Not possible!
2.4.1.4. Test:
Retest handset after repair.
2.4.2. List of needed material:
2.4.2.1. Components:
I/O Connector SX1
Placement: X2500
Part-Number: L36334-Z93-C303
2.4.2.2. Jigs and Tools:
Hot Air Blower
Soldering Iron

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2.4.2.3. Special tools:
None
2.4.2.4. Working materials
Desolder Wick / Braid
Solder
2.4.3. Drawings
Figure 1: SX1 board I/O connector
Figure 2: SX1 I/O connector placement (top view)

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SX1 Company Confidential
Copyright 2003© Siemens AG 06/03
Table 1: SX1 Bottom Connector Pin Description
Pin Name IN/OUT Notes
1 POWER I/O POWER is needed for charging
batteries and for supplying the
accessories
2 GND
3 TX_1 O USB/Serial interface
4 RX_1 I USB/Serial interface
5 CTS_1 I/O Data line for accessory bus
6 RTS_1 I/O Use as RTS in data operation
7 DCD_1 I/O Clock line for accessory bus
Use as DTC In data operation
8 AUDIO_L O External loudspeaker
9 AUDIO GND Audio Ref Stereo
10 AUDIO_R OI External loudspeaker
11 GND_MIC I External microphone
12 EPP1 O External microphone

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3 Battery Connector
3.1. Affected Units
3.1.1. Type: SX1
3.1.2. Affected IMEIs / Date Codes: All / All
3.1.3. Affected SW Versions: All
3.2. Fault Description
3.2.1. Fault Symptoms for customers:
- Mobile does not switch on.
- Error message “WRONG BATTERY” on display.
3.2.2. Fault Symptoms on GSM Tester:
This fault cannot be detected with a GSM-Tester.
3.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined

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3.4. Repair Documentation:
3.4.1. Description of procedure:
3.4.1.1. Diagnosis:
Visually check the status of the Battery connector. Watch for oxidation and dry solder joints.
3.4.1.2. Repair by component change:
Use hot air blower remove defective Battery connector.
Avoid excessive heat!
Watch surrounding components!
Resolder new Battery connector afterwards.
3.4.1.3. Repair by Software booting:
Not possible!
3.4.1.4. Test:
Retest handset after repair.
3.4.2. List of needed material:
3.4.2.1. Components:
Battery Connector SX1
Placement: X2181
Part-Number: L36334-Z97-C160
3.4.2.2. Jigs and Tools:
Hot Air Blower
Soldering Iron

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3.4.2.3. Special tools:
None
3.4.2.4. Working materials
Desolder Wick / Braid
Soldering Iron
3.4.3. Drawings
Figure 1: SX1 board Battery connector
Figure 2: SX1 Battery connector placement (top view)

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4 Connector spring for speaker
4.1. Affected Units
4.1.1. Type: SX1
4.1.2. Affected IMEIs / Date Codes: All / All
4.1.3. Affected SW Versions: All
4.2. Fault Description
4.2.1. Fault Symptoms for customers:
- Speaker malfunction
4.2.2. Fault Symptoms on GSM Tester:
This fault cannot be detected with a GSM-Tester.
4.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined

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SX1 Company Confidential
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4.4. Repair Documentation:
4.4.2. Description of procedure:
4.4.2.1. Diagnosis:
Visually check the status of the speaker connector. Watch for oxidation and dry solder joints.
4.4.2.2. Repair by component change:
Use soldering iron to remove defective connector.
Avoid excessive heat!
Watch surrounding components!!
Resolder new connector afterwards.
4.4.2.3. Repair by Software booting:
Not possible!
4.4.2.4. Test:
Retest handset after repair.
4.4.3. List of needed material:
4.4.3.1. Components:
Speaker connector SX1
Placement: X2100. X2101
Part-Number: L36334-Z97-C210
4.4.3.2. Jigs and Tools:
Hot Air Blower
Soldering Iron

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4.4.3.3. Special tools:
None
4.4.3.4. Working materials
Desolder Wick / Braid
Soldering Iron
4.4.4. Drawings
Figure 1: SX1 board speaker connector side
Figure 2: SX1 Speaker connector spring placement (top view)

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5 Antenna Connector
5.1. Affected Units
5.1.1. Type: SX1
5.1.2. Affected IMEIs / Date Codes: All / All
5.1.3. Affected SW Versions: All
5.2. Fault Description
5.2.1. Fault Symptoms for customers:
- Network Search
- No location update possible
5.2.2. Fault Symptoms on GSM Tester:
Output power problems on the internal antenna
No location update possible
5.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined

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5.4. Repair Documentation:
5.4.1. Description of procedure:
5.4.1.1. Diagnosis:
Check the output power of the handset with the LSO test program!
5.4.1.2. Repair by component change:
Use hot air blower remove defective antenna connector.
Avoid excessive heat!
Watch surrounding components!
Resolder new antenna connector afterwards.
5.4.1.3. Repair by Software booting:
Not possible!
5.4.1.4. Test:
Retest handset after repair.
5.4.2. List of needed material:
5.4.2.1. Components:
Antenna Connector SX1
Placement: X870
Part-Number: L36334-Z93-C261
5.4.2.2. Jigs and Tools:
Hot Air Blower
Soldering Iron

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5.4.2.3. Special tools:
None
5.4.2.4. Working materials
Desolder Wick / Braid
Soldering Iron
5.4.3. Drawings
Figure 1: SX1 board Antenna connector
Figure 2: SX1 Antenna connector placement (top view)

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6 Card Reader
6.1. Affected Units
6.1.1. Type: SX1
6.1.2. Affected IMEIs / Date Codes: All / All
6.1.3. Affected SW Versions: All
6.2. Fault Description
6.2.1. Fault Symptoms for customers:
- Handset does not accept SIM.
6.2.2. Fault Symptoms on GSM Tester:
This fault cannot be detected with a GSM-Tester
6.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined

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6.4. Repair Documentation:
6.4.1. Description of procedure:
6.4.1.1. Diagnosis:
Visually check the Card Reader. Watch for dry joints:
6.4.1.2. Repair by component change:
Use soldering iron to remove defective component.
Avoid excessive heat!
Watch surrounding components!
Resolder new Card Reader afterwards.
6.4.1.3. Repair by Software booting:
Not possible!
6.4.1.4. Test:
Retest handset after repair.
6.4.2. List of needed material:
6.4.2.1. Components:
Card Reader SX1
Placement: X2421
Part-Number: L36334-Z97-C298
6.4.2.2. Jigs and Tools:
Hot Air Blower
Soldering Iron

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6.4.2.3. Special tools:
None
6.4.2.4. Working materials
Desolder Wick / Braid
Soldering Iron
6.4.3. Drawings
Figure 1: SX1 board Card Reader site
Figure 2: SX1 Card Reader placement (top view)

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7 MMI Connector
7.1. Affected Units
7.1.1. Type: SX1
7.1.2. Affected IMEIs / Date Codes: All / All
7.1.3. Affected SW Versions: All
7.2. Fault Description
7.2.1. Fault Symptoms for customers:
Problems with MMI function like:
- Keyboard malfunction
- Illumination problems
- Display problems
7.2.2. Fault Symptoms on GSM Tester:
This fault cannot be detected with a GSM Tester
7.3. Priority:
Mandatory
;Repair
Optional
Not Yet Defined