EuroTel ETLUW4G03 Manuel utilisateur

Rev. 002 ETLUW4G03

Operating and Technical Manual

Operating and Technical ManualOperating and Technical Manual

Operating and Technical Manual

ETLUW4G03

ETLUW4G03ETLUW4G03

ETLUW4G03

2 kW (RM ) DTV / 5 kW ATV

2 kW (RM ) DTV / 5 kW ATV 2 kW (RM ) DTV / 5 kW ATV

2 kW (RM ) DTV / 5 kW ATV

UHF B IV-V LIQUID-COOLED TV TRAN MITTER

UHF B IV-V LIQUID-COOLED TV TRAN MITTERUHF B IV-V LIQUID-COOLED TV TRAN MITTER

UHF B IV-V LIQUID-COOLED TV TRAN MITTER

EuroTel .p.A.

Via Martiri della Libertà, 4

20851 Lissone (MB), Italy

Tel. +39 039 24361 – Fax +39 039 2436222

E-Mail [email protected] – Web http://www.eurotel.it

May 2013 CMANUW4G03 Page 1

ETLUW4G03 Rev. 002

Page 2 CMANUW4G03 May 2013

Rev. 002 ETLUW4G03

Operating and Technical Manual

Operating and Technical ManualOperating and Technical Manual

Operating and Technical Manual

2 kW (RM ) DTV / 5 kW ATV

2 kW (RM ) DTV / 5 kW ATV 2 kW (RM ) DTV / 5 kW ATV

2 kW (RM ) DTV / 5 kW ATV

UHF B IV-V LIQUID-COOLED TV TRAN MITTER ETLUW4G03

UHF B IV-V LIQUID-COOLED TV TRAN MITTER ETLUW4G03UHF B IV-V LIQUID-COOLED TV TRAN MITTER ETLUW4G03

UHF B IV-V LIQUID-COOLED TV TRAN MITTER ETLUW4G03

TABLE OF CONTENT

TABLE OF CONTENTTABLE OF CONTENT

TABLE OF CONTENT

Section A- GENERAL INFORMATION..............................................................................................5

I - AMENDMENT RECORD HEET............................................................................................5

II - APPROVAL RECORD HEET................................................................................................5

Section B- SAFETY INSTRUCTIONS...............................................................................................6

1 ) GENERAL IN TRUCTION ...........................................................................................6

2 ) AC LINE HAZARD ......................................................................................................6

3 ) RF HAZARD ...............................................................................................................7

4 ) FIRE RI K....................................................................................................................7

5 ) HANDLING BERYLLIUM OXIDE CERAMIC ..................................................................7

6 ) FIR T AID IN CA E OF ELECTRIC HOCK....................................................................8

7 ) EMERGENCY RE U CITATION: EXPIRED AIR METHOD................................................8

8 ) TREATMENT FOR BURN .............................................................................................8

Section C- SYSTEM DESCRIPTION, INSTALLATION AND TECHNICAL SPECIFICATIONS.......10

I - INTRODUCTION................................................................................................................10

II - FUNCTIONAL DE CRIPTION..............................................................................................10

III - ENERGY DI TRIBUTION AND COOLING...........................................................................13

IV - THEORY OF OPERATION OF ETLUW4G03 TV TRAN MITTER ............................................14

V - COMPO ITION OF ETLUW4G03 TV TRAN MITTER ...........................................................15

VI - IN TALLATION OF ETLUW4G03 TV TRAN MITTER............................................................16

1 ) ETLUW4G03 TV Transmitter: connections and module installation................................16

2 ) Other connections.......................................................................................................16

3 ) First time operation of ETLUW4G03.............................................................................17

VII - TECHNICAL PECIFICATION OF ETLUW4G03 TV TRAN MITTER.....................................19

1 ) General......................................................................................................................19

2 ) Output Parameters......................................................................................................19

3 ) Linear distortion..........................................................................................................19

4 ) Non linear distortion...................................................................................................19

Section D- MAINTENANCE & ALIGNMENT INSTRUCTIONS........................................................20

I - ETLUW4G03 TRAN MITTER UNIT........................................................................................20

1 ) Changing R.F. Output Power of the transmitter unit.......................................................20

2 ) Replacement and configuration of ETL0W474G R.F. Amplifier module..........................21

Section E- WEB INTERFACE............................................................................................................23

1 ) ummary WEB page...................................................................................................24

2 ) upervisor WEB page..................................................................................................25

3 ) Log WEB page............................................................................................................26

4 ) Amplifier WEB page....................................................................................................27

5 ) Liquid & Cooler Control Unit WEB page.......................................................................28

6 ) G M (option) WEB page..............................................................................................29

Section F- LAYOUT ASSEMBLY AND CIRCUIT DIAGRAMS.........................................................31

I - MAINFRAME AND WIRING DIAGRAM..................................................................................31

ETLUW4G03 WIRING DIAGRAM......................................................................................31

II - MAIN TRAN FORMER AND POWER DI TRIBUTION...........................................................33

1 ) chematic diagram.....................................................................................................33

May 2013 CMANUW4G03 Page 3

ETLUW4G03 Rev. 002

TABLE OF ILLUSTRATIONS

TABLE OF ILLUSTRATIONSTABLE OF ILLUSTRATIONS

TABLE OF ILLUSTRATIONS

Figure 1: ETLUW4G03 TV Transmitter – front view.......................................................................11

Figure 2: ETLUW4G03 TV Transmitter – rear view........................................................................12

Figure 3: ETL0W474G R.F. Amplifier module – rear view.............................................................13

Figure 4: ETLUW4G03 TV Transmitter - functional blocks diagram...........................................14

Figure 5: WEB interface - RF Output page.....................................................................................20

Figure 6: WEB interface - Login page.............................................................................................23

Figure 7: WEB interface - Summary page.......................................................................................24

Figure 8: WEB interface - Supervisor page....................................................................................25

Figure 9: WEB interface - Log page................................................................................................26

Figure 10: WEB interface - Amplifier page.....................................................................................27

Figure 11: WEB interface: Liquid & Cooler Control Unit page.....................................................28

Figure 12: WEB interface - GSM page.............................................................................................29

Page 4 CMANUW4G03 May 2013

Rev. 002 ETLUW4G03

ection A-

ection A-ection A-

ection A-GENERAL INFORMATION

GENERAL INFORMATIONGENERAL INFORMATION

GENERAL INFORMATION

I -

I - I -

I - AMENDMENT RECORD SHEET

AMENDMENT RECORD SHEETAMENDMENT RECORD SHEET

AMENDMENT RECORD SHEET

When an amendment to this publication is incorporated, the record below is to be completed and

initialed.

Release

ReleaseRelease

Release Language

LanguageLanguage

Language DE CRIPTION

DE CRIPTIONDE CRIPTION

DE CRIPTION AUTHORITY

AUTHORITYAUTHORITY

AUTHORITY DATE

DATEDATE

DATE

II -

II - II -

II - APPROVAL RECORD SHEET

APPROVAL RECORD SHEETAPPROVAL RECORD SHEET

APPROVAL RECORD SHEET

When an approval to this publication is incorporated, the record below is to be completed.

Release

ReleaseRelease

Release ignature

ignatureignature

ignature AUTHORITY

AUTHORITYAUTHORITY

AUTHORITY DATE

DATEDATE

DATE

The inform tion cont ined herein is the property of EUROTEL S.p.A. nd is supplied without li bility

The inform tion cont ined herein is the property of EUROTEL S.p.A. nd is supplied without li bility The inform tion cont ined herein is the property of EUROTEL S.p.A. nd is supplied without li bility

The inform tion cont ined herein is the property of EUROTEL S.p.A. nd is supplied without li bility

for errors or omissions nd no p rt m y be reproduced, used or disclosed, except s uthorized by

for errors or omissions nd no p rt m y be reproduced, used or disclosed, except s uthorized by for errors or omissions nd no p rt m y be reproduced, used or disclosed, except s uthorized by

for errors or omissions nd no p rt m y be reproduced, used or disclosed, except s uthorized by

contr ct or other written permission. The copyright nd the foregoing restriction on reproduction, use

contr ct or other written permission. The copyright nd the foregoing restriction on reproduction, use contr ct or other written permission. The copyright nd the foregoing restriction on reproduction, use

contr ct or other written permission. The copyright nd the foregoing restriction on reproduction, use

nd disclosure extends to ll medi in which this inform tion m y be embodied, including m gnetic

nd disclosure extends to ll medi in which this inform tion m y be embodied, including m gnetic nd disclosure extends to ll medi in which this inform tion m y be embodied, including m gnetic

nd disclosure extends to ll medi in which this inform tion m y be embodied, including m gnetic

or electronic stor ge, etc.

or electronic stor ge, etc.or electronic stor ge, etc.

or electronic stor ge, etc.

May 2013 CMANUW4G03 Page 5

ETLUW4G03 Rev. 002

ection B-

ection B-ection B-

ection B- AFETY IN TRUCTION

AFETY IN TRUCTIONAFETY IN TRUCTION

AFETY IN TRUCTION

1 )

1 ) 1 )

1 ) GENERAL IN TRUCTION

GENERAL IN TRUCTIONGENERAL IN TRUCTION

GENERAL IN TRUCTION

Observe the following safety precautions when handling this unit. This equipment operates with

dangerous voltages and currents.

•All electrical installations and connections are to be carried out only by skilled personnel.

•When outfitting operating rooms as well as setting up and operating electrical equipment follow the

relevant national and international safety instructions and regulation.

•When setting up the rack observe the relevant safety precautions for the prevention of accidents.

These precautions especially relate to: danger of getting crushed when working with loads, danger of

falling off ladders while working, danger of getting hurt or injured when lifting heavy loads.

•Always disconnect power before opening covers or removing any part or module of this transmitter

unit.

•Prior to checking out or working on the switch mode supply, disconnect all the R.F. power amplifiers.

•ome of the R.F. power amplifier transistors are encased in Beryllium Oxide (BeO). This substance is

harmless as is, but becomes very dangerous if ground to a powder. These devices, once failed,

cannot be disposed of by normal means and special procedures of disposal must be observed.

•In any case, but especially when the RF Power Amplifier is operating,

In any case, but especially when the RF Power Amplifier is operating, In any case, but especially when the RF Power Amplifier is operating,

In any case, but especially when the RF Power Amplifier is operating, do not attempt

do not attemptdo not attempt

do not attempt to remove

to remove to remove

to remove

and then re-insert the rear panel coaxial interconnecting cables of the EXCITER. Although suitable

and then re-insert the rear panel coaxial interconnecting cables of the EXCITER. Although suitable and then re-insert the rear panel coaxial interconnecting cables of the EXCITER. Although suitable

and then re-insert the rear panel coaxial interconnecting cables of the EXCITER. Although suitable

protection circuitry is in place, sudden loss and re-application of RF drive causes transients that

protection circuitry is in place, sudden loss and re-application of RF drive causes transients that protection circuitry is in place, sudden loss and re-application of RF drive causes transients that

protection circuitry is in place, sudden loss and re-application of RF drive causes transients that

may damage one or more RF amplification stages.

may damage one or more RF amplification stages.may damage one or more RF amplification stages.

may damage one or more RF amplification stages.

2 )

2 ) 2 )

2 ) AC LINE HAZARD

AC LINE HAZARDAC LINE HAZARD

AC LINE HAZARD

Voltage values Vrms > 30V AC or V > 60V DC are potential hazard. Take appropriate measures to

avoid any danger when working with hazardous voltages.

Never work on live parts. It is only permissible to work on live parts under exceptional circumstance and

if special safety precautions have been taken.

Power upply

Power upplyPower upply

Power upply

Prior to connecting power supply ensure that the AC line data on the product matches the data of the

available supply. Fuses or other devices in the supply circuit must guarantee overload and short-circuit

protection.

The user is responsible for correct fuse protection.

Emergency off

Emergency offEmergency off

Emergency off

On the front panel the transmitter is equipped with an emergency push-button that open the power

mains circuit when enabled turning off the transmitter unit.

Page 6 CMANUW4G03 May 2013

Rev. 002 ETLUW4G03

Replacement of fuses

Replacement of fusesReplacement of fuses

Replacement of fuses

The transmitter fuses accessible in the operator area may be replaced with the transmitter turned off.

They should be replaced only by fuses with the same electrical specifications

The protective switches accessible in the operator area may be actuated. If their response range can be

adjusted, the setting performed by the manufacturer should not be modified.

3 )

3 ) 3 )

3 ) RF HAZARD

RF HAZARDRF HAZARD

RF HAZARD

In the transmitter, high-energy RF circuits are fed through common RF connectors (eg N). Depending on

the output power, the transmitter outputs are fitted with screw-in RF lines or waveguides.

CAUTION!

CAUTION!CAUTION!

CAUTION!

•Never unscrew RF lines when the transmitter is in operation.

•Never open modules when the transmitter is in operation.

If RF lines which are in operation are disconnected, electric arcs may be generated and cause burns and

eye injuries.

•Never put the transmitter into operation when RF lines are open-circuited.

4 )

4 ) 4 )

4 ) FIRE RI K

FIRE RI KFIRE RI K

FIRE RI K

There is a risk of fire presented by any live electrical if there is sufficient energy conversion which is the

case with radio transmitters.

Preventive measures on-site can reduce fire hazards to a large extent and effectively reduce the fire

spreading.

CAUTION!

CAUTION!CAUTION!

CAUTION!

•On installing the transmitter, the user shall ensure that no combustible materials are stored or fitted

beneath or above the cable entry.

Firefighting must be performed only with special equipment (eg breathing apparatus with air bottle) in

order to avoid inhalation of harmful fumes, gases and dust produced by combustion.

5 )

5 ) 5 )

5 ) HANDLING BERYLLIUM OXIDE CERAMIC

HANDLING BERYLLIUM OXIDE CERAMICHANDLING BERYLLIUM OXIDE CERAMIC

HANDLING BERYLLIUM OXIDE CERAMIC

Parts containing BeO ceramics are not a health hazard provided that safety regulations are followed.

CAUTION!

CAUTION!CAUTION!

CAUTION!

Parts made from BeO ceramics shall not be machined, scored, crushed, broken, heated nor

sandblasted. BeO dust passes through all common filtering system including conventional apparatus

filters.

Parts made from BeO ceramics shall not be opened nor destroyed.

May 2013 CMANUW4G03 Page 7

ETLUW4G03 Rev. 002

6 )

6 ) 6 )

6 ) FIR T AID IN CA E OF ELECTRIC HOCK

FIR T AID IN CA E OF ELECTRIC HOCKFIR T AID IN CA E OF ELECTRIC HOCK

FIR T AID IN CA E OF ELECTRIC HOCK

DO NOT TOUCH THE VICTIM WITH YOUR BARE HAND until the circuit is broken. WITCH OFF. If this

is not possible, PROTECT YOUR ELF with DRY insulating material and pull the victim clear of the

conductor. If breathing has stopped, indicated by unconsciousness, lack of respiratory movements and a

‘blue’ look to cheeks, lips, ears and nails, TART RE U CITATION AT ONCE.

7 )

7 ) 7 )

7 ) EMERGENCY RE U CITATION: EXPIRED AIR METHOD

EMERGENCY RE U CITATION: EXPIRED AIR METHODEMERGENCY RE U CITATION: EXPIRED AIR METHOD

EMERGENCY RE U CITATION: EXPIRED AIR METHOD

•If possible, lie the victim on his back, with his head slightly higher than his

feet. Clear the mouth and the throat of any obvious obstruction.

•Kneel on one side of the victim, level with his head. LIFT THE JAW AND

TILT THE HEAD BACK A FAR A PO IBLE. (Figures 1a and 1b).

•One of the following may now happen:

⇒Breathing may begin and consciousness return.

⇒Breathing may begin, but consciousness may NOT return. Turn the

victim on his side and ensure that the airway is kept clear.

⇒Breathing may return, but be NOI Y, which means that the airway is

not fully clear. Try to clear the airway.

•IF THERE I NO IGN OF BREATHING

⇒Check that the head is still tilted back.

⇒Take a deep breath.

⇒Pinch the victim’s nose and blow firmly into his mouth. As you do, his

chest will RI E (figure 2).

⇒Turn your head away and take another breath, watching for the chest

to FALL (figure 3).

•tart with four quick deep breaths and then continue with one breath every

five seconds (i.e. 12 times a minute). This should be continued until the

victim revives or a doctor certifies death.

•As consciousness returns, the victim will start to breathe on his own and a

‘pink’ color replaces the ‘blue’ look. This is the time to stop resuscitation.

Continue to hold his chin up and so keep the airway clear.

•In the case of injuries to the mouth, it may be necessary to use mouth-to-

nose resuscitation. eal the victim’s mouth with your cheek and blow firmly

into his nose, proceeding as above.

•In any case it is E ENTIAL to commence resuscitation WITHOUT DELAY and to send for medical

assistance immediately.

8 )

8 ) 8 )

8 ) TREATMENT FOR BURN

TREATMENT FOR BURNTREATMENT FOR BURN

TREATMENT FOR BURN

If the victim is also suffering from burns, then, without hindrance to resuscitation, observe the following:

•Do not ttempt to remove clothing dhering to the burns.

Do not ttempt to remove clothing dhering to the burns.Do not ttempt to remove clothing dhering to the burns.

Do not ttempt to remove clothing dhering to the burns.

•If possible, alleviate the pain from the burn part by immersing in cold water.

Page 8 CMANUW4G03 May 2013

Rev. 002 ETLUW4G03

•If help is available or as soon as resuscitation is no longer required, the wound should be covered

with a DRY clean dressing.

•If help is available or as soon as resuscitation is no longer required, the wound should be covered

with a DRY clean dressing.

May 2013 CMANUW4G03 Page 9

ETLUW4G03 Rev. 002

ection C-

ection C-ection C-

ection C- Y TEM DE CRIPTION, IN TALLATION AND

Y TEM DE CRIPTION, IN TALLATION AND Y TEM DE CRIPTION, IN TALLATION AND

Y TEM DE CRIPTION, IN TALLATION AND

TECHNICAL PECIFICATION

TECHNICAL PECIFICATIONTECHNICAL PECIFICATION

TECHNICAL PECIFICATION

I -

I - I -

I - INTRODUCTION

INTRODUCTIONINTRODUCTION

INTRODUCTION

•The series ETLUW4G03 TV Transmitter provides linear, class “AB” amplification of R.F. TV signal in

the standard UHF bands IV-V (470 to 860MHz).

•ETLUW4G03 is designed to work both in DTV mode and ATV mode.

•Rated R.F. output power is set to 2kW (rms) for DTV mode and 5kW peak sync for ATV mode.

•The use of high efficiency, high power gain LDMO power transistors allows to obtain highly

efficient amplifier modules as ETL0W474G.

•The Amplifier modules of ETLUW4G03 are liquid-cooled. In each ETL0W474G amplifier module a

serpentine cooling duct routed through the heat-sink optimally cools the power transistors and R.F.

units greatly reducing the temperature of active elements. This involves an efficiently use and longer

lifetime of the system.

II -

II - II -

II - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTIONFUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

•The main transmitter components are:

⇒transmitter racks with built in isolation mains transformer and power distribution,

⇒dual drive exciter with changeover or single drive exciter,

⇒power splitters,

⇒R.F. amplifier modules,

⇒power combiners,

⇒output filter.

•The exciter modulates the analog video and audio signals or digital MPEG-2 A I data inputs onto

the set channel frequency, providing pre-correction circuit that ensures linear transmission with the

minimum intermodulation products.

•The power splitter distributes the output power of the exciter to the R.F. amplifier modules.

The R.F. broad band amplifier modules provide linear, class “AB” amplification of composite

Vision+ ound TV signals, and are compatible with digital TV standards DVB-T/H, DVB-T2, I DB-T,

AT C.

•A power combiner combines the output power of the R.F. amplifier modules to the total transmitter

output power.

•An output filter is installed for the suppression of the out of band interferences of the transmitter.

Page 10 CMANUW4G03 May 2013

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