Siemens E10 Operator's manual

Information and Communication

Communication Devices

E10 / S6 Power GSM /S8 GSM

Level .5

Repair Documentation

V 1.2

V1.2 Page 1 of 22 ICP CD ST

D. Schnoor

06/98

Information and Communication

Communication Devices

Table of Contents:

1INTRODUCTION................................................................................................................................................. 2

2VCXO

................................................................................................................................................................................... 3

3FUSE 1A

................................................................................................................................................................................... 8

4FUSE 0.25 A

................................................................................................................................................................................. 12

5MOLEX CONNECTOR

................................................................................................................................................................................. 16

6RINGER

................................................................................................................................................................................. 20

1Introduction

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Information and Communication

Communication Devices

This manual is inten e to help you carry out repairs on level 2.5, meaning limite

component repairs. Failure highlights are ocumente an shoul be repaire in the local

workshops.

The E10 an the S6 Power GSM are both han sets for GSM-900. Internally they are almost

i entical but the form factors of the boar s are ifferent.

Note: In some countries the S6 Power GSM is calle S6 Classic!

It must be note that all repairs have to be carrie out in an environment set up accor ing to

the ESD (Electrostatic Discharge Sensitive Devices) regulations efine in international

stan ar s.

If you have any questions regar ing the repair proce ures or spare parts o not hesitate to

contact our technical support team in Kamp-Lintfort, Germany:

Tel.: +49 2842 95 4666

Fax: +49 2842 95 4302

e-mail: ominik.sch[email protected]. e

VCXO

.1Affected Units

.1.1Type: E10 / S6 Power GSM

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Information and Communication

Communication Devices

.1. Affected IMEIs / Date Codes: All / All

.1.3Affected SW-Versions: All

.1.4Fault Code for LSO reporting: 3VCX

. Fault Description

. .1Fault Symptoms for customers:

Network Search

Han set not logging into network

. . Fault Symptom on GSM-Tester:

Frequency error in synchronize mo e >90 Hz

No location up ate possible

The VCXO (Voltage Controlle Crystal Oscillator) is responsible for generating the

13 MHz reference frequency of the han set.

If it is efective, the han set cannot synchronize to the base station anymore.

.3Priority:

........ Man atory

........ Repair

........ Optional

........ Not Yet Define

.4Repair Documentation

.4.1Description of procedure:

.4.1.1Diagnosis

Check the output frequency of the VCXO using the level-2 testing

program for E10 / S6 Power GSM.

Switch off the „CMD in Use“ option in the S611.INI file an restart

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Information and Communication

Communication Devices

the program. Start the test, when the program says „Check power an

phase of external antenna with your GSM-Tester“, switch the CMD to

„LOCAL“ mo e an enter the „MODULE TEST“.

On the CMD isplay you can see the frequency error of the han set.

(Make sure that the CMD is on channel 124, power level 5!)

If the frequency error is higher than 2kHz, the VCXO has to be

replace .

.4.1. Repair by component change

Use hot air blower to remove efective VCXO.

Avoi excessive heat!

Watch surroun ing components!

Resol er new VCXO afterwar s.

.4.1.3Repair by SW-Booting

Not possible!

.4.1.4Test

Retest han set after repair as escribe above.

The frequency error must now be < 2kHz.

.4. List of needed material

.4. .1Components

VCXO

Part-Number: L36145-G300-Y19

.4. . Jigs and Tools

Hot Air Blower

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Information and Communication

Communication Devices

Sol ering Iron

.4. .3Special Tools

None

.4. .4Working materials

Desol er Wick / Brai

Sol er

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Information and Communication

Communication Devices

.4.3Drawings

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Figure 1: E10 / S6 Power GSM Board VCXO Side

Information and Communication

Communication Devices

3Fuse 1A

3.1Affected Units

3.1.1Type: E10 / S6 Power GSM

3.1. Affected IMEIs / Date Codes: All / All

3.1.3Affected SW-Versions: All

3.1.4Fault Code for LSO reporting: 3FU1

3. Fault Description

3. .1Fault Symptoms for customers:

Battery charging not possible

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Figure : VCXO (Z601) Placement (Top View)

Information and Communication

Communication Devices

3. . Fault Symptom on GSM-Tester:

This fault cannot be etecte with a GSM-Tester

3.3Priority:

........ Man atory

........ Repair

........ Optional

........ Not Yet Define

3.4Repair Documentation

3.4.1Description of procedure:

3.4.1.1Diagnosis

Check the status of the fuse by measuring its resistance with

a multimeter. The fuse is efective if the resistance higher than 10

ohms.

3.4.1. Repair by component change

Use sol ering iron to remove efective fuse.

Avoi excessive heat!

Watch surroun ing components!

Resol er new fuse afterwar s.

3.4.1.3Repair by SW-Booting

Not possible!

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Information and Communication

Communication Devices

3.4.1.4Test

Retest han set after repair as escribe above.

The resistance must now be close to zero.

3.4. List of needed material

3.4. .1Components

Fuse

Part-Number: L36145-A820-Y7

3.4. . Jigs and Tools

Sol ering Iron

3.4. .3Special Tools

Multimeter

3.4. .4Working materials

Desol er Wick / Brai

Sol er

V1.2 Page 10 of 22 ICP CD ST

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