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Harris Broadcast Flexiva FAX 10KW, Техническое руководство

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FAX 5/10/20/30/40KW

October 28, 2013

3

‐

25

888

‐

2720

‐

001

WARNING:

 

Disconnect

 

primary

 

power

 

prior

 

to

 

servicing.

Copyright

 

©2013,

 

Harris

 

Broadcast

Note

 

1

 ‐ 

Selecting

 

Exciter

 

A

 

or

 

B

 

in

 

this

 

menu

 

does

 

not

 

change

 

the

 

on

‐

air

 

exciter.

  

This

 

allows

 

for

 

setup

 

up

 

of

 

the

 

exciter

 

that

 

is

 

currently

 

on

‐

air,

 

not

 

for

 

calibrating

 

the

 

off

‐

air

 

exciter.

 

Ensure

 

that

 

the

 

correct

 

exciter

 

is

 

selected

 

in

 

this

 

menu.

Note

 

2

 ‐ 

Exciter

 

type

 

must

 

match

 

the

 

exciter

 

model

 

for

 

the

 

exciter

 

selected.

  

For

 

Harris

 

Broadcast

 

products,

 

the

 

list

 

is

 

filled

 

with

 

models

 

currently

 

available.

 

For

 

non

‐

Harris

 

Broadcast

 

exciters,

 

select

 

either

 

CUST

 

DRV

 

or

 

CUST

 

IPA.

  

CUST

 

DRV

 

is

 

for

 

non

‐

Harris

 

Broadcast

 

exciters

 

that

 

have

 

an

 

external

 

APC

 

input

 

that

 

can

 

accept

 

0

‐

4.75

 

VDC.

  

The

 

exciter

 

must

 

have

 

a

 

fast

 

enough

 

APC

 

response

 

time

 

to

 

allow

 

the

 

exciter

 

to

 

vary

 

its

 

output

 

power

 

with

 

respect

 

to

 

this

 

voltage.

  

The

 

transmitter

 

will

 

increase

 

this

 

APC

 

voltage

 

when

 

it

 

requires

 

more

 

drive

 

and

 

decrease

 

this

 

voltage

 

when

 

it

 

requires

 

less

 

drive.

 

When

 

using

 

CUST

 

DRV,

 

the

 

IPA

 

within

 

the

 

FAX

 

is

 

set

 

for

 

maximum

 

gain.

  

If

 

trying

 

to

 

run

 

in

 

the

 

FM+HD

 

or

 

HD

 

modes,

 

this

 

setting

 

is

 

required.

CUST

 

IPA

 

is

 

for

 

non

‐

Harris

 

Broadcast

 

exciters

 

that

 

do

 

not

 

have

 

an

 

external

 

APC

 

input.

 

In

 

this

 

mode,

 

the

 

exciter

 

will

 

put

 

out

 

a

 

fixed

 

drive

 

using

 

its

 

internal

 

APC

 

and

 

the

 

APC

 

from

 

the

 

transmitter

 

will

 

drive

 

the

 

FAX

 

IPA.

  

This

 

mode

 

cannot

 

be

 

used

 

for

 

any

 

HD

 

modes.

 

If

 

using

 

CUST

 

IPA

 

dipswitch

 

S1

‐

5

 

on

 

PA

 

Backplane

 

board

 

1(top

 

board)

 

where

 

the

 

IPA

 

plugs

 

in

 

must

 

be

 

set

 

to

 

ON.

  

This

 

passes

 

the

 

APC

 

voltage

 

to

 

the

 

IPA.

Note

 

3

 ‐ 

EXC

 

SLC

 

SEL

 

is

 

used

 

only

 

for

 

Split

 

Level

 

Combined

 

systems.

  

This

 

setting

 

will

 

depend

 

on

 

the

 

mode

 

of

 

the

 

FAX

 

in

 

SLC

 

operation,

 

NA

 

for

 

non

‐

SLC

 

applications.

Note

 

4

 ‐ 

The

 

exciter

 

voltage

 

will

 

be

 

set

 

bu

 

the

 

scaling

 

in

 

the

 

exciter.

  

In

 

Harris

 

Broadcast

 

exciters

 

it

 

is

 

typically

 

set

 

to

 

4

 

VDC=x

 

Watts.

  

This

 

voltage

 

should

 

be

 

set

 

as

 

close

 

as

 

possible

 

to

 

2000

 

mV

 

at

 

TPO

 

when

 

dual

 

exciters

 

are

 

used.

  

Note

 

5

 ‐ 

Exciter

 

calibration

 

must

 

be

 

completed

 

for

 

each

 

mode

 

of

 

operation

 

that

 

will

 

be

 

used

 

by

 

the

 

transmitter.

 

Note

 

that

 

the

 

exciter

 

calibration

 

is

 

in

 

milliwatts

 

not

 

watts.

 

Most

 

Harris

 

Broadcast

 

exciters

 

display

 

in

 

Watts.

Note

 

6

 ‐ 

The

 

threshold

 

setup

 

is

 

for

 

dual

 

exciter

 

systems

 

only

 

and

 

sets

 

the

 

point

 

were

 

changeover

 

occurs.

  

The

 

actual

 

switchover

 

is

 

based

 

on

 

the

 

voltage

 

from

 

the

 

exciter

 

and

 

the

 

threshold

 

can

 

be

 

set

 

in

 

the

 

range

 

of

 

100

 

mV

 

to

 

2000

 

mV.

 

If

 

outside

 

that

 

range

 

the

 

default

 

is

 

40

 

%

 

of

 

the

 

calibrated

 

voltage.

  

3.9.12

SETUP>NETWORK SETUP

The

 

network

 

setup

 

page

 

refers

 

only

 

to

 

the

 

rear

 

Ethernet

 

port

 

of

 

the

 

FAX

 

transmitter.

The

 

following

 

ports

 

are

 

used

 

in

 

the

 

FAX

 

transmitter.

  

Webserver

 ‐ 

Port

 

80

 

TCP/UDP

Telnet

 ‐ 

Port

 

23

 

TCP/UDP

SNMP

 ‐ 

Port

 

161

 

TCP/UDP

 

(User

 

configurable

 

161,

 

162,

 

49152

 

to

 

65535)

SNMP

 

Traps

 ‐ 

Port

 

162

 

TCP/UDP

EPWR

 

CAL

2260mW:

 

Power

 

to

 

cal

 

at,

 

should

 

match

 

EXC

 

PWR

 

above

CALIBRATE

YES

 

OF

 

NO;

 

See

 

Note

 

5

SET

 

THRESHOLD

YES

 

or

 

NO;

 

See

 

note

 

6

Table 3-16  SETUP>EXCITER SETUP

Menu

Submenu

Description

Содержание Flexiva FAX 10KW

Страница 1: ...TECHNICAL MANUAL FAX 5 10 20 30 40KW Transmitter Series Revision J 888 2720 001 Harris Broadcast is an independent company not affiliated with Harris Corporation ...

Страница 2: ......

Страница 3: ...TECHNICAL MANUAL 888 2720 001 Flexiva FAX 5 10 20 30 40K Transmitter Series October 28 2013 Rev J Copyright Harris Broadcast 2013 All rights reserved ...

Страница 4: ...eflect the product at the current time or an unknown time in the future This publication does not in any way warrant description accuracy or guarantee the use for the product to which it refers Harris Broadcast reserves the right without notice to make such changes in equipment design specifications components or documentation as progress may warrant to improve the performance of the product Harri...

Страница 5: ... Preliminary in process B April 9 2012 P52641 Update all sections C May 23 2012 P52961 Added 30 40kW models general updates in all sections D Aug 23 2012 P53607 Updates to all sections E Feb 18 2013 P54586 Updates to all sections F Mar 05 2013 P54684 Update Title Page MRH 1 and Section 1 H May 01 2013 P54930 Updates to all sections J Oct 28 2013 P55668 Full Revision with new software GUI ...

Страница 6: ... The service parts department is available from 7 00AM to 5 00 PM CST Monday Friday and 8 00AM to 12 00PM CST on Saturday Telephone 1 217 221 7500 or email servicepartsreq harrisbroadcast com Emergency parts are available 24 hours a day seven days a week by telephone only Unpacking Carefully unpack the equipment and perform a visual inspection to determine if any damage was incurred during shipmen...

Страница 7: ..._______________ ________________________________ ________________________________ ________________________________ Telephone ______________________________ FAX ______________________________ Preferred Shipping Method ________________________ Shipping Information Item Quantity Part Number Description of Part Part s Name Description and Specification from Parts List Ref Des e g C21 R100 etc Item Use...

Страница 8: ......

Страница 9: ...tection standards must be observed The following National Fire Protection Association NFPA standards are recommended as reference Automatic Fire Detectors No 72E Installation Maintenance and Use of Portable Fire Extinguishers No 10 Halogenated Fire Extinguishing Agent Systems No 12A WARNING ALWAYS DISCONNECT POWER BEFORE OPENING COVERS DOORS ENCLO SURES GATES PANELS OR SHIELDS ALWAYS USE GROUNDING...

Страница 10: ...WARNING Disconnect primary power prior to servicing ...

Страница 11: ...a hospital as quickly as possible e If arms or legs are affected keep them elevated NOTE If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of baking soda to each quart of water neither hot or cold Allow victim to sip slowly about 4 ounces a half of glass o...

Страница 12: ...ives the reference designators for the item i e C001 R102 etc that corresponds to the number found in the schematics C001 in a bill of material is equivalent to C1 on the schematic or 2 gives added information or further explanation i e Used for 208V operation only or Used for HT 10LS only etc NOTE Inside the individual tables some standard conventions are used A symbol in front of a component suc...

Страница 13: ... Requirements and Connection 2 9 AC Connection without Distribution Panel 2 10 AC Connection with Distribution Panel 2 13 Cooling Installation 2 13 Initial Turn On 2 13 User Remote Control Connection 2 15 Section 3 Operation Introduction 3 1 Controls and Indicators 3 1 Front Panel Controls and Indicators 3 1 Internal Controls and Indicators 3 3 RF Sample and RTAC Ports 3 5 Front Panel Operation 3 ...

Страница 14: ...ault Logs and Software Upload5 13 Config File Save Upload 5 13 Save Config File 5 13 Upload Config File 5 14 Software Update Procedure 5 14 Retrieving Printing Fault Logs 5 15 System Calibration Procedures 5 16 System Forward Reflected Power Calibration 5 16 Power Block Power Calibration FAX20 30 40 Only5 17 Transmitter Air Flow Calibration 5 18 Exciter Power Calibration Switchover Threshold5 19 P...

Страница 15: ...tion 6 Troubleshooting included as a service aid to be used along with sections 4 and 5 by qualified person nel to identify and correct an equipment malfunction 1 2 Technical Support Harris Broadcast offers 24 hour telephone technical support for all radio and television products from the United States To get the best assistance as quickly as possible please have the transmitter model and serial n...

Страница 16: ...5614 093 Units manufactured prior to August 2012 Documentation Package Part Number 943 5614 476 Units manufactured after to August 2012 Harris Broadcast Basic Rack 981 0136 012 37RU Rack with rear door Harris Broadcast Basic Rack 981 0136 011 Basic Rack plus RF Line to top Harris Broadcast Deluxe Rack 981 0136 004 Basic rack plus AC Power Distribution Panel 3 Phase Delta 971 0054 035 3 Phase Wye 9...

Страница 17: ...phase to the FAX40 use four feeds with breakers in a wall mounted panel external to the transmitter rack Documentation Package Part Number 943 5614 342 Units manufactured prior to August 2012 Documentation Package Part Number 943 5614 478 Units manufactured after to August 2012 3 Phase Delta 971 0054 043 3 Phase Wye 971 0054 044 220 VAC Strip 253 0253 000 120 VAC Strip 253 0254 000 Vented Rear Doo...

Страница 18: ...d resistor 1 4 FAX Transmitter Description and Features The Flexiva FAX series transmitters are built based on a 10 kW building power block The FAX 10 transmitter has one power block the FAX 5 uses the same power block as a FAX10 but fewer PA modules and power supplies For the higher power transmitters FAX20 30 40 multiple 10 kW power blocks are combined using hybrid combiners to achieve their rat...

Страница 19: ...e main exciter in the system The upper Exciter B is always the backup exciter in the system These positions hold true for all model of high power FAX Transmitters The FAX5 is the same chassis and hardware but contains four less power amplifiers and three less power supply modules See Section 4 for detailed differences between FAX 5 and FAX10 Note For Outline drawing and Rack mechanical information...

Страница 20: ...Section 1 Introduction October 28 2013 1 6 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 Figure 1 2 FAX5 10 in Harris Broadcast Deluxe Rack Rear View ...

Страница 21: ...option 9050 205 Empty Less PAs and Power Supplies Full 2709 3000 FM FM HD 20dBc 0 73 0 8 0 9 MECHANICAL 2140 7310 14dBc 10599 9432 8725 HD 14dBc 10dBc 20dBc Recommended AC Conductor Size THHW Wire NOTE 2 Air inlet outlet size See note 3 for dimensions 12 AWG 4mm2 12 AWG 4mm2 14 AWG 2 5mm2 COOLING 0 61 10dBc 10 AWG 6mm 2 AC protection size Notes 1 30A 20A 3PH 1PH 30A 2 x 2P 25A 3PH 20A 20A 10A FM F...

Страница 22: ...unpainted surfaces and soldered brazed for low resistance MAX Line Amps per phase 3PH 1PH 3PH 1PH 3PH 1PH 46A 79A 42A 73A 27A 46A 25A Internal harmonic filter that meets or exceeds all FCC CCIR and ITU requirments 1 5 8 EIA unflange male upper left rear of cabinet 1 77 1 51 1 57 15A Heat loads at MAX Output 1000 cfm 28 m 3 min maximum AC protection size Notes 1 60A 35A 3PH 1PH 60A 2 x 2P 50A 3PH 3...

Страница 23: ...ed of two 10 kW Power Blocks combined to make 20 kW The FAX20 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All FAX Models covered in this manual have dual exciter capability Note For Outline drawing and Rack mechanical information see drawing 843 5614 103 in the documentation package The Electrical and HVAC contr...

Страница 24: ...Section 1 Introduction October 28 2013 1 10 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 Figure 1 5 FAX20 Transmitter Rear View ...

Страница 25: ...l Remote control connections Parallel remote control interface 25 pin female D sub connector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier chassis and front door Front door RJ45 static IP via DHCP server for service 44RU Millimeters 2111 2 953 0 558 8 83 12 22 37 52 HD Only 37004 40980 12415 10700 11048 10219 10836 12000 Cool air enters vi...

Страница 26: ...rised of three 10 kW Power Blocks combined to make 30 kW The FAX30 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All FAX Models covered in this manual have dual exciter capability Note For Outline drawing and Rack mechanical information see drawing 843 5614 308 in the documentation package The Electrical and HVAC ...

Страница 27: ...FAX 5 10 20 30 40KW October 28 2013 1 13 888 2720 001 WARNING Disconnect primary power prior to servicing Copyright 2013 Harris Broadcast Figure 1 8 FAX30 Transmitter Rear View ...

Страница 28: ...onnector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier chassis and front door Front door RJ45 static IP via DHCP server for service 44RU Millimeters 2111 2 953 0 1196 3 83 12 47 1 37 52 HD Only 58055 64075 19385 15900 16571 15190 17000 18763 Cool air enters via 3 front panel doors with integral air filter Heated air exhausts via three vent...

Страница 29: ...ed of four 10 kW Power Blocks combined to make 40 kW The FAX40 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All FAX Models covered in this manual have single exciter capability Note For Outline drawing and Rack mechanical information see drawing 843 5614 309 in the documentation package The Electrical and HVAC co...

Страница 30: ...Section 1 Introduction October 28 2013 1 16 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 Figure 1 11 FAX 40kW Transmitter Rear View Doors Open ...

Страница 31: ...nector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier chassis and front door Front door RJ45 static IP via DHCP server for service 44RU Millimeters 2111 2 953 0 1196 3 83 12 47 1 37 52 HD Only 77407 85433 25846 21200 22095 20438 22667 25017 Cool air enters via 3 front panel doors with integral air filter Heated air exhausts via three ventil...

Страница 32: ...mplitude modulation using 75 µSec de emphasis and 400 Hz high pass filter FM Deviation 75 kHz by a 1 kHz sinewave Measured at wideband input RF Harmonic and Spurious Suppression Meets or exceeds all FCC CCIR and ITU requirements VSWR Protected against open or short circuit at all phase angles Foldback user adjustable from 1 3 to 1 5 1 VSWR shutdown at 1 5 1 Altitude Maximum 9 843 feet 3000 M eleva...

Страница 33: ...iltered to keep dirt out of the building and the transmitter See Section 1 11 Cooling for further details Ambient temperature and relative humidity should always range between the following limits at the installa tion location Ambient temperature 0 to 45o C Relative humidity 5 to 95 non condensing Note Failure to follow these installation instructions may void the warranty Plan the RF transmission...

Страница 34: ...ining salt or pollution must have those items removed by an adequate filtration system and any pressure drops caused by filtration must also be considered A closed system in which the transmitter exhausts and inputs air directly to and from the transmitter room The transmitter room is closed to outside air and makes use of air conditioning units to remove the resulting heat buildup This type of sy...

Страница 35: ...und strap attachment point is located at the rear of the FAX transmitter and exciter chassis This connection is suitable for use in a single point grounding system with the ground strap attached to the equipment rack and the rack in turn to a common grounding plate A minimum 2 copper strap is recommended Note Observe this important distinction The AC safety ground ensures that energy originating a...

Страница 36: ...nflanged output connector If the FAX5 10 is racked in a Harris Broadcast rack the RF connector at the top will be a 1 5 8 EIA flanged connector that includes a adapter to a unflanged connection There is an optional adapter to allow for a 3 1 8 EIA unflanged connection for models with 1 5 8 EIA output All transmitter models have a RF output impedance of 50 ohms unbalanced There are two major factor...

Страница 37: ...FAX 5 10 20 30 40KW October 28 2013 1 23 888 2720 001 WARNING Disconnect primary power prior to servicing Copyright 2013 Harris Broadcast Figure 1 15 FAX 3 1 8 Cabinet Output Flanged Connection ...

Страница 38: ...Section 1 Introduction October 28 2013 1 24 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 39: ...ions and coding will be provided to assure proper handling Complete details regarding circumstances and reasons for return are to be included in the request for return Custom equipment or special order equipment is not returnable In those instances where return or exchange of equipment is at the request of the customer or convenience of the customer a restocking fee will be charged All returns mus...

Страница 40: ...following safety connections see Section 2 13 for further details of circuit operation RF mute The RF MUTE signal line is available on pin 7 of J1 USER REMOTE connector at the rear of the transmitter If the RF MUTE line is unconnected open to ground the power control circuits within the amplifier chassis force its RF output to zero but the 50V DC circuits and cooling fans continue to operate An ex...

Страница 41: ...n the two front corners and the two rear corners with carriage bolts flat washers lock washers and nuts When it is desired to remove the cabinets from the skids remove this hardware A socket wrench a short extension and a 9 16 inch deep socket are required 2 6 2 Setting Transmitter in Place If your transmitter is a FAX30 40 and was shipped with the cabinets split it will be necessary to re assembl...

Страница 42: ...Section 1 11 of this manual to ensure that all equipment has adequate cooling Check Point 1 Transmitter cooling is accomplished by the multiple blower fans on the back of the transmitter cabinet It is important that nothing obstructs this air flow such as a closed back rack mount door or blank rack mount panels The fans should be able to blow air freely into the room Check Point 2 If the transmitt...

Страница 43: ...ll already be a copper ground strap connected to the copper ground buss bar strap that runs down the left side of the cabinet when viewing from cabinet rear The exciter will also be grounded to this buss bar as well The rack mount cabinet buss bar strap must be grounded to the site ground system A minimum 2 wide copper ground strap is recommended The strap should be attached to the site ground sys...

Страница 44: ...exciter A will be the lower exciter and B will be the upper exciter in the rack Exciter A connections are made to the top connectors J2 is Control Exciter A J4 is RF for Exciter A and J6 is RTAC Exciter A Exciter B connections are made to the lower connectors J3 is Exciter B Control J5 is RF Exciter B and J7 is RTAC Exciter B Figure 2 4 FAX Exciter Interface Note To run the FAX transmitter in FM H...

Страница 45: ... MODULES THE TRANSMITTER MAY REQUIRE SLIGHTLY MORE THAN 5 WATTS TO GET FULL RATED POWER FROM THE TRANSMITTER BUT USE THIS AS A STARTING POINT TO BE SAFE J2 J3 Pin 4 must always be grounded and Pins 5 and 6 must be unconnected at the transmitter end to signal a permanent FM mode S3 8 on System interface Multi unit Interface should be set to ON J2 J3 Pin 9 sends the Mute command to the exciter The M...

Страница 46: ...ure the exciter RF power output is set to approximately 2 Watts for safe initial turn on of the transmitter Refer to Section 5 of this manual and the exciter manual for proper dipswitch settings internal to the FAX transmitter Table 2 1 EXCITER INTERFACE J2 J3 D sub 15 amplifier rear Designation Remarks Pin Type GND Signal ground 1 EXCITER FORWARD POWER SAMPLE Exciter forward power reading 0 4 VDC...

Страница 47: ...over both a customer mounted stand alone 10kW transmitter and all FAX transmitter models mounted in a cabinet with or without an AC Distribution Panel installed The FAX series of transmitters can be connected to 3 types of AC sources The voltage ranges are as follows Single phase 190V 264V Three phase 190V 264V No Neutral Three phase 330V 460V Neutral Required If the 3 Phase voltage is in the 190 ...

Страница 48: ...DCAST IF AN IN RACK AC DISTRIBU TION CHASSIS IS PURCHASED OPTIONAL IN THE LATTER CASE AN EXTERNAL CIRCUIT PROTECTION DEVICE TO HANDLE THE ENTIRE TRANSMITTER LOAD AT THE MAIN AC DIS TRIBUTION POINT IS STILL REQUIRED IN ACCORDANCE WITH PREVAILING LOCAL SAFETY NORMS Warning THE NEUTRAL WIRE SHOULD NOT GO THROUGH THE EXTERNAL BREAKER 2 10 1 AC Connection without Distribution Panel AC power is connecte...

Страница 49: ... VOLTAGE IS IN THE RANGE OF 330 460 VAC THE NEUTRAL MUST BE CONNECTED TO THE E4 E5 E6 N TERMINAL POST TO STABILIZE THE VOLTAGES FAILURE TO CONNECT THE NEUTRAL CAN CAUSE DAMAGE TO THE TRANSMITTER AND VOID THE WARRANTY SAFETY GROUND CONNECTS TO E7 Caution WHEN THE SINGLE PHASE INPUTS TO THE TRANSMITTER ARE DERIVED FROM A WYE STAR MAINS SERVICE SPECIAL CARE MUST BE PAID TO THE NEUTRAL CONNECTION AS T...

Страница 50: ...ending on the type of service The straps were placed at the factory based on the information given at the time of order please verify the straps are correct for your service prior to proceeding Note For 3 Phase Wye service in the 190 264 VAC range Delta strapping must be used and no Neutral is required If set to Wye in this voltage range the transmitter will use Line to Neutral which will be insuf...

Страница 51: ...e connection as shown in Figure 2 9 The AC Mains wires for Line and Neutral Neutral used on Wye only at 330 460 VAC range are in correct loca tion and tight Be sure all AC covers are replaced Note If using a 3 Phase Wye service in the range of 190 264 VAC the transmitter will be strapped internally for delta The AC Distribution panel will not have a Neutral bar If the Neutral Bar is required to me...

Страница 52: ... LCD on the front of the transmitter should now be on and sitting at the home screen The exciters should be powered up STEP 3 Verify the model and mode at the top of the home screen is correct Figure 2 10 shows a FAX10 in FM only mode The other possible modes are FM HD and HD Figure 2 10 FAX Home Screen for FAX10 running FM mode STEP 4 If the transmitter is to be ran in the HD mode go to the Flexs...

Страница 53: ...ee Section 2 13 for detailed information STEP 15 If a Network connection is to be made for use with a remote computer or control go to Section 3 of this manual for setup information 2 13 User Remote Control Connection Figure 2 11 FAX Rear Panel Remote Control Connector J1 The 25 pin female connector is labeled J1 User Remote is located on the rear panel of the transmitter This is on power block 1 ...

Страница 54: ...te Control Breakout Board 901 0218 201GT Converts connections from dB 25 to Screw terminals Figure 2 12 User Remote Inputs and Outputs Rev J and earlier boards Note If the unit in operation has a Rev J or older circuit board and external pull up goes to a voltage higher than 5 VDC remove F3 from the System Interface FAX5 10 or Multi Unit Interface FAX20 30 40 board ...

Страница 55: ...D Momentary Ground pin to turn transmitter on 1 Input TX OFF COMMAND Momentary Ground pin to turn transmitter off This input can be configured to operate regardless of Remote enable disable status See Section 5 for S2 2 description 2 Input POWER RAISE COMMAND Momentary Ground pin to raise output power 3 Input POWER LOWER COMMAND Momentary Ground pin to lower output power 4 Input DRIVE CHAIN IPA A ...

Страница 56: ...ommand Inputs and Status Outputs 23 GND EXTERNAL INTERLOCK Continuous Ground to satisfy interlock loop When released requires a manual TX ON command to turn TX back ON Enabled regardless of Remote enable disable status 24 Input EXTERNAL INTERLOCK GROUND Ground for External Interlock 25 GND Table 2 4 REMOTE CONTROL D sub 25 amplifier rear J1 Status and Metering Outputs SYSTEM ON Hi SYSTEM is OFF Lo...

Страница 57: ...utput FORWARD POWER 3 5VDC 100 calibrated power Linear scale 19 External Metering Output REFLECTED POWER 3 5VDC 1 5 1 VSWR 1 3 VDC 1 3 1 VSWR 20 External Metering Output PA VOLTAGE PA Drain Voltage 14 63 VDC V output 21 External Metering Output PA CURRENT Total PA Current 4 1 VDC Max current Model Dependant 22 External Metering Output Table 2 4 REMOTE CONTROL D sub 25 amplifier rear J1 Status and ...

Страница 58: ...Section 2 Installation October 28 2013 2 20 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 59: ...e serious problem develops Refer to the Factory Test Data FTD which includes meter readings measured performance data information and data measured with external equipment and adjustments specifically for each transmitter s operating frequency and power level 3 2 Controls and Indicators The following section identifies the location and function of all front of transmitter controls and indicators f...

Страница 60: ...e arrow cursor which indicates the menu line that will be activated by pressing the black enter button The left button is primarily used as a back button to return to a previous menu selection ENTER This is the black button in the center of the UP DOWN LEFT RIGHT buttons Used to select highlight or expand LCD menu items REMOTE ENABLE Allows remote control of the FAX IP SNMP and Parallel I O Disabl...

Страница 61: ...ts the status of all IPA s in the transmitter and Auto Switching relay s POWER AMP Green OK Red Fault Represents a summary status of the all PA Modules in the transmitter POWER SUPPLY Green OK Red Fault Represents a summary status of the Power Supplies in the transmitter OUTPUT Green OK Amber Yellow Warning Red Fault Represents the status of the RF Output system When the transmitter is switched of...

Страница 62: ...f when IPA A activated RF MUTE Illuminates when any RF Mute action occurs BACKUP MODE Illuminates RED when upper NORMAL BACKUP switch selects BACKUP or when Micro fails Note If the IPA switch mode is set to AUTO the manual DRV buttons still function Figure 3 3 RF Switch Board Indicators Green LED Left Indicates RF Out of IPA into the splitter is at Normal level This LED will turn OFF when the IPA ...

Страница 63: ...ency the transmitter was tested at only and take into account the cable loss to each port For a FAX5 10 the RF Sample on the front door which is indicated on the test data as Front includes the loss of the splitter and cable The Modulation Monitor on the rear panel is indicated as Rear and includes the cable loss no splitter in line to it as well For the FAX20 30 40 the RF Sample on the front door...

Страница 64: ...eached Note Small time delay When pressing the RAISE or LOWER buttons a small delay occurs before the transmit ter power actually changes The same is true when releasing the RAISE or LOWER button The output power will continue to change momentarily upon release This is normal The control circuits are scan ning all of the critical functions and parameters of the transmitter to protect it from an ov...

Страница 65: ...D LIGHT IS ILLUMINATED THIS IS AN IMPORTANT SAFETY FEATURE IF NO REMOTE CONTROL SYSTEM IS UTILIZED THEN LEAVE THE TRANSMITTER IN THE REMOTE DISABLE MODE 3 5 LCD Navigation Tutorial The navigation button is comprised of 5 separate buttons Left Right Up Down and the center Black ENTER button These buttons allow the user to navigate through the menu screens POWER STATUS and SETUP by scrolling up or d...

Страница 66: ...screen To change the MONTH ensure arrow is next to MONTH highlight it by pressing ENTER use the up or down buttons to correct the displayed month and then press ENTER However to actually change the date in memory the APPLY DATE must be pressed Use the UP or DOWN buttons until the arrow is next to DATE press the ENTER button to highlight DATE the ENTER button must be pressed again with the selectio...

Страница 67: ...n only no configuration settings are available in this menu Figure 3 9 POWER Menu Figure 3 10 Shows all of the information available when the POWER button is pressed These readings are all system readings The PA AMPS is the total DC current being drawn form all of the power supplies in the system Figure 3 10 POWER Button Menu Tree 3 7 Status Button Menus Pressing the Status button will bring up th...

Страница 68: ...0 001 Figure 3 11 STATUS menu Figure 3 12 and Figure 3 13 are the menu tree for the STATUS button Details of each sub menu are describe in this section Any readings given in this manual should not be assumed correct for your transmitter The Factory Test Data should be consulted for correct readings for the transmitter being operated ...

Страница 69: ...PA _____________________________ IPA A AMPS 3 5A IPA TEMP 33 4C IPA B AMPS 0 0A IPA TEMP 33 4C Power Amp_________ PA SUMMARY OK PB AVG V 44 2V PA BLOCK 2 ___________ PA SUMMARY OK PB TOTAL I 192 3A PB AVG V 44 2V PA 1A OK PB TOTAL I 192 3A PA 1B OK There can be upto 4 Power Blocks PA BLOCK 1 ________________________________ PA 1A OK PA 1 VDC 44 2V PA 1B OK PA 1A AMPS 13 8A PA 1 VDC 44 2V PA 1B AMP...

Страница 70: ...K 2 ___________ PS SUMMARY OK PB AVG V 44 2V AC MAINS OK PB TOTAL I 192 5A PB AVG V 44 2V PS METERS __________PB AVG V 44 2 PB TOTAL I 192 5A PS 1 OK PB TOTAL I 192 5A PS METERS _________ PB AVG V 44 2 PS 2 OK PS1 VDC 44 2V PS 1 OK PB TOTAL I 192 5A PS 3 OK PS2 VDC 44 2V PS 2 OK PS1 VDC 44 2V PS 4 OK PS3 VDC 44 2V PS 3 OK PS2 VDC 44 2V PS 5 OK PS4 VDC 44 2V PS 4 OK PS3 VDC 44 2V PS 6 OK PS5 VDC 44...

Страница 71: ...al EXC ATUTO SW READY Displays the exciter Switchover relay status Ready or Tripped If Tripped manual reset required by pressing ON button MODULATION FM Displays Exciter Mode FM HD FM HD SLC Also displayed on LCD HOME screen Mode set by exciter which changes the transmitter operating mode between Class C and Class AB EXCITER A OK Displays status of Exciter A Fault Line OK Fault EXCITER B OK Displa...

Страница 72: ...he Power Block and or cabinet combiner and will only be available on the FAX20 30 40 models PWR BLK 1 IPA Displays Fault status and meter readings for IPA in power block 1 PWR BLK 2 IPA Displays Fault status and meter readings for IPA in power block 2 If used PWR BLK 3 IPA Displays Fault status and meter readings for IPA in power block 3 If used PWR BLK 4 IPA Displays Fault status and meter readin...

Страница 73: ...r FAULT Foldback point is user settable via GUI between 1 3 1 and 1 5 1 PWR LIMIT OK OK or FAULT Power limit is 110 of calibrated power set in hardware REJ LEVEL 0 Displays Reject load power in percent 100 would be with one power block off or 1 cabinet shut off REJ LOAD OK OK or FAULT Faults are RF Fan or Temp PA BLOCK 1 FORWARD 9901W Displays Power Block Forward Power REFLECTED 0W Displays Power ...

Страница 74: ...de Normal Low or UPS APC On or Off Power Limit 110 of calibrated power VSWR Foldback 1 3 to 1 5 1 User configured Mute asserted by controller or remote Mute Interlock External or Equipment Control Mode Normal Backup or Lifesupport Fans Fan fault on door or Reject load Table 3 6 STATUS POWER SUPPLIES Menu Description Menu Field Description PA BLOCK 1 PS SUMMARY OK OK or Fault Any supply is faulted ...

Страница 75: ... Interlock status OK or FLT J1 24 User Interface RF MUTE NO RF Mute NO or MUTED REMOTE MUTE NO Remote Mute NO or MUTED EQUIP INTLK OK Equipment Interlock OK or FLT J1 9 User Interface SYSTEM METERS APC REF 3 50V APC Reference set by micro during system calibration APC OUT 3 53V APC output voltage changes with Raise Lower Power PWR LIMIT 0 00V Power Limit 0 V until the 110 power limit is reached or...

Страница 76: ...3 15 and Figure 3 16 is the SETUP Menu Tree Note When making changes to the transmitter via the LCD Remote must be Disabled Figure 3 14 SETUP Menu When used with a FAX exciter the some exciter configure menus are available on the transmitter lcd If these menus are blank or do not match the setup menu fields on the exciter lcd then a communications problem exists This communication between controll...

Страница 77: ...ERS YES U C S S INTERNAL IPA YES AC INPUT 3D TX CALIBRATE______TX POWER CAL___________MODULATION FM TX TPO 10000W CALIBTRATE NO POWER SUPPLY SET_______MODULATION FM PS SET 50V PS SET 50V SET NO AIRFLOW SET____________ AIRFLOW 1992mV AIRFLOW CAL 97 PB2 AIRFLOW _______AIRFLOW 1992mV SET PB1 100 NO AIRFLOW CAL 97 SET PB2 100 NO PB1 AIRFLOW ___________________________ PWR BLOCK CAL__________ UNIT PWR ...

Страница 78: ...enu Menu Description PWR MODE SET NORM LOW Low Power or UPS Low power sets RF output at approximately 25 of Calibrated power UPS mode asserted from User Remote J1 See Note 1 EXC ON AIR Manually switches exciters A or B to on air IPA ON AIR Manually switches IPA A or B to on air EXC SW MODE Sets Exciter switching mode between AUTO and MANUAL See Note 2 IPA SW MODE Sets IPA switching mode between AU...

Страница 79: ...ever after entering the time is displayed as a 12 hour clock For example to enter a time of 3 00 PM enter 15 for hours 3 9 3 SETUP TX CONFIGURATION FREQ is display only unless using a FAX exciter In case of the FAX this field is bidirectional between the the transmitter and Exciter and this setting will actually change transmitter frequency Setting the DUAL EXCITERS to YES will enable AUTO switch ...

Страница 80: ...S FAULT AND POWER SUPPLY VOLTAGE IS SET TO MINIMUM TRY RAISING THE VOLT AGE UP 2 VOLTS TO SEE IF THE PROBLEM CLEARS 3 9 7 SETUP TX CALIBRATE AIRFLOW SET To set airflow the transmitter fans must be at full speed which is 100 airflow Also prior to calibrating airflow the air filters should be checked and cleaned if necessary See Section 5 of this manual for airflow calibration procedure Airflow cali...

Страница 81: ...alibrated at the 2 above power block power The following example is for FAX20 20 kW TX TPO of power blocks 2 20000 2 10000 10000 10000 2 10 200 Watts The 2 is an estimate of loss in the splitting and combining systems within the FAX Table 3 12 SETUP TX CALIBRATE AIRFLOW SET Menu SubMenu Description PB1 AIRFLOW AIRFLOW Airflow Voltage to ADC Display Only AIRFLOW CAL of airflow currently being measu...

Страница 82: ...ired again 3 9 11 SETUP EXCITER SETUP Allows for setup and power calibration for each exciter Also to set the Threshold where the exciter switches to the backup Table 3 14 SETUP TX CALIBRATE REJ LOAD CAL Menu Description REJ LEVEL 0 Power that is currently input to reject load Display Only REJ SENSE 275 mV Voltage from reject load detector that is on Fan Control Board Display Only SET SYS 100 YES ...

Страница 83: ...or any HD modes If using CUST IPA dipswitch S1 5 on PA Backplane board 1 top board where the IPA plugs in must be set to ON This passes the APC voltage to the IPA Note 3 EXC SLC SEL is used only for Split Level Combined systems This setting will depend on the mode of the FAX in SLC operation NA for non SLC applications Note 4 The exciter voltage will be set bu the scaling in the exciter In Harris ...

Страница 84: ...de to Novice locks out the ability to change the transmitter setup and controls within the Setup menu This screen is not password protected and accessible by anyone 3 9 14 SETUP RESTORE DEFAULTS Restore defaults allows the user to restore the factory setup which is the way the transmitter shipped after final test 3 10 Remote Graphical User Interface GUI The Remote GUI can be accessed from either t...

Страница 85: ...l and monitoring of the transmitter To make changes via the Front Ethernet port REMOTE must be set to Disable If connecting to the rear Ethernet port REMOTE must be set to Enable The Administration login Figure 3 18 allows for the user to setup the passwords for the Engineer logins set the password for the netadmin login and the set the timeout for the GUI The netadmin username and password can be...

Страница 86: ...screen are for monitoring setup and control Each button will take the user to a submenu s No changes can be made and no control is available unless a valid Engineer login is used If using the rear Ethernet port Remote must be enabled and if using the front Ethernet port Remote must be disabled Transmitter ID The middle of the top bar shows the ID this can be changed in the SYSTEM SERVICE menu The ...

Страница 87: ...5 are not closed VSWR Faults at VSWR of 1 5 1 Exciter Trip Displays the status of the internal Exciter switchover relay IPA Trip Displays the status of the internal IPA switchover relay Foldback Warning at 1 3 1 VSWR factory Default This setting can be changed in the GUI SYSTEM SERVICE Menu The range is 1 3 to 1 5 3 10 2 Event Log Menu Figure 3 20 GUI Fault Event Log Screen The Fault Event log in ...

Страница 88: ... default setting is 1 3 This setting affects only the transmitter VSWR not each individual power block VSWR The power blocks are set to foldback at 1 5 1 in FAX20 30 40 Fwd Pwr Warn Thresh dB If RF power out drops below this threshold a Warning will be generated and Bargraph will turn Yellow This is based on calibrated power Fwd Pwr Fault Thresh dB If RF power out drops below this threshold a Faul...

Страница 89: ...onfigured Drop down box shows available settings Exciter Configuration Allows for selecting the exciter type for each exciter in service Drop down box shows available settings 3 10 6 System System Setup Network Menu The Network screen allows configuration of the rear Ethernet port Note Be sure to click Save before exiting screen or changes will be lost Save will appear once changes are made Figure...

Страница 90: ...X allows for version 1 or 2c only Trap 1 3 IP address of SNMP trap receiver Port 162 is default trap port not changeable Community Public or Private The Harris Broadcast MIB s are usable in all NMS Network Management Systems and is provided in text format The advantage of this monitoring system is that there is no difference between the monitoring of various Harris Broadcast equipment Once the MIB...

Страница 91: ...TC OFFSET Min Enter an offset in Minutes that your location is from Greenwich Mean Time User must take into consideration daylight savings time if applicable 3 10 9 SYSTEM System Setup Network ISP Menu Figure 3 27 ISP Screen The ISP menu is used for uploading software the FAX and also to save a configuration file from the transmitter This configuration file contains all of the user settings as wel...

Страница 92: ...Section 3 Operation October 28 2013 3 34 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 93: ...ss PA Modules and three less PS Modules The 5 kW exciter setup is slightly different than the 10 kW and will be explained in the 5 kW section A 20 kW FAX transmitter consists of a 10 kW transmitter and a 10kW Power Block combined The 10kW transmitter is referred to as the primary power block or power block 1 because it contains the front panel LCD Display and Multi unit Interface that controls the...

Страница 94: ...cuss the combining of the power blocks in the FAX20 30 40 The output of the LPF then goes through a 6 port directional coupler to a 1 5 8 EIA Unflanged output on the rear of the transmitter The ports on the directional coupler feed the controller RF sample for APC and VSWR detection There are also ports for modulation monitoring and the RTAC signals for the Flexstar Exciter Pre Correction when the...

Страница 95: ... fewer PA modules and Power supplies and also has a slightly different RF Chain In the 10 kW transmitter there are 14 FET s to achieve 10 kW so in a FAX5 seven FET s are required In this case there are 3 PA modules and one IPA PA module Refer to Figure 4 3 the exciters now have two different paths and only 1 IPA The other FET in the IPA slot runs continuously as a PA Exciter A is a high power exci...

Страница 96: ... power block is off Exc A Exc B Rear Panel J4 J5 IPA PA0 Module RF Switch Bd J3 J2 J7 IPA RF Level To Sys Inf To 7 Way Splitter PA BackPlane RF Switch Bd RF Switch Bd relays switch in tandem For FAX20 30 40 All IPA s will be on A or B 3 dB Pad provides isolation between Exciters and IPA and helps prevent overload of IPA IPA RF Level Detected on RF Switch board it is DC voltage used for IPA RF Faul...

Страница 97: ...ovides the correct phase shift to combine the 2 power blocks in cabinet 1 and the RF signal now has a 90 phase shift compared to the input signal To get this signal to combine with cabinet 2 an additional phase shift of 90 is required in cabinet 2 so that the inputs to the 4 77 dB cabinet combiner are 90 from each other The system now requires 2 reject loads a 6 kW power block combiner reject load...

Страница 98: ...is able to accept the level from the FAX transmitter then the APC would feed the IPA inside the transmitter The APC from the FAX10 20 30 40 is in the range of 0 to 3 5 VDC 0 V being 0 watts out of the exciter For a FAX5 the APC is 0 to 4 75 VDC Figure 4 7 shows a simplified block diagram of the FAX APC which is located on the System Interface Multi Unit Interface board depending on the FAX model T...

Страница 99: ...FAX 5 10 20 30 40KW October 28 2013 4 7 888 2720 001 WARNING Disconnect primary power prior to servicing Copyright 2013 Harris Broadcast Figure 4 7 APC Simplified Block Diagram ...

Страница 100: ...is used the APC switch to the exciter is opened and the APC switch to the IPA is closed The APC still functions the same but the extra Op Amp sets the correct level for the FAX IPA input 4 1 7 PA Module Description Each PA Module contains 2 RF Power Amplifiers referred to as A and B A FAX 10 kW Transmitter and Power Block uses 8 of these modules One of the eight modules is used as an IPA module Fi...

Страница 101: ...ss C Bias for FM Mode of operation and Class AB Bias for HD Modes A control voltage of 5V at J2 4 turns Q5 off which allows the RF Amplifier to operate The Bias Mode voltage alters the PA bias voltage to cause the PA amplifier to operate at Class AB or Class C The control voltages come from the module Control board Thermistors RT1 and RT2 are used to stabilize the bias as the temperature of the mo...

Страница 102: ...in the transmitter are regulated from the 5 Volts In the case of FAX models with multiple power blocks the 5 VDC from each is diode gated back to the main power block If the AC fails to the main power block which houses the Multi Unit controller the transmitter will remain on the air using 5 Volts control voltage from the other power blocks The Airflow is measured by comparing two LM50B temperatur...

Страница 103: ...ion the transmitter has full functionality with the primary control functions being done in Hardware HW but the hardware can be controlled by the microprocessor The key states such as ON OFF Remote ENABLE DISABLE etc are stored in non volatile hardware ICs that will remember the last state even if there is not microprocessor control and a loss of AC power Web interface is fully functional and the ...

Страница 104: ...ouplers for Remote control via Parallel I O Forward and reflected power detection and metering samples Hardware for VSWR protection and power limit functions System status LED s Multiplexing bus for meter readings The exciter interface can be setup to accept any exciter Harris Broadcast or another manufacturer If a non Harris Broadcast exciter is used the dipswitch settings will need to be properl...

Страница 105: ...ple THe controller then turn calibrate to ON Same as setting S2 8 to ON and this puts a 2 VDC reference on each gain stage input The micro reads the voltage at the output of the forward power stage then adjusts the reflected stage gain until it matches the forward stage voltage output Calibration is turned off and the TPO is set to equal the 3 5 VDC Reflected is then calculated based on the 3 5 VD...

Страница 106: ...Section 4 Theory October 28 2013 4 14 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 107: ...fier chassis is composed of two general zones the front half as accessed by the front door and the rear half as accessed by the rear door The front door is hinged and can be opened while the transmitter is running for access to the PA IPA and PS modules The PA IPA and PS modules may be replaced while the transmitter is operating The rear door requires a tool to gain access and should never be open...

Страница 108: ...APC Future S15 6 N A N A N A NOT USED S15 7 RS485 TERM 15 OFF Terminates RS485 Bus S15 8 CAN TERM 15 OFF Terminates CAN Bus Table 5 2 System Interface Board S2 Rev H hardware and later Switch Name Schematic Sheet Default User Setting Description S2 1 APC Volt Limit 5 OFF OFF has a lower APC limit voltage ON Bypasses diodes to allow APC voltage to limit higher 4 75 VDC ON when higher APC Voltage is...

Страница 109: ...TX System Controller OFF Power Block Controller S3 6 Config 4 Model ON Power Block Controller OFF TX System Controller S3 7 Default Mode 5 OFF Used on TX System controller only ON TX primary mode defaults to either HD mode S3 8 Default Mode 5 ON Used on TX System controller only ON TX primary mode defaults to FM Table 5 5 System Interface Board S5 Exciter A and S6 Exciter B Switch Name Schematic S...

Страница 110: ... OFF ON 8 OFF OFF ON ON OFF Switch Name Schematic Sheet Default User Setting Description S14 1 Class C 5 Mode ON Class C FM ONLY Operation OFF Class A B HD Mode operation S14 2 Class A B 5 Mode ON Class A B HD Mode operation OFF Class C FM ONLY Operation S14 3 Equip Intlk 10 User ON Equipment Interlock J1 9 Active Hi OFF Active Low S14 4 Equip Intlk 10 User ON Equipment Interlock J1 9 Active Low O...

Страница 111: ...sed OFF for 6 kW Reject Load only2 fans S1 2 Fan 3 Enable 2 ON OFF for FAX5 and 6 kW Reject Load S1 3 Speed 1 3 ON ON Lo Gain Low Speed S1 4 Speed 2 3 OFF ON Mid Gain Mid Speed S1 5 Speed 3 3 OFF ON Hi Gain Hi Speed S1 6 FULL OFF 3 OFF Must be set to OFF on Power Block S1 7 RF 1 4 OFF Sets Gain of RF Detector for Reject Load use only S1 8 RF 2 4 OFF Sets Gain of RF Detector for Reject Load use onl...

Страница 112: ...ame Schematic Sheet Default User Setting Description S1 1 N A N A N A Not Used S1 2 N A N A N A Not Used S1 3 N A N A N A Not Used S1 4 N A N A N A Not Used S1 5 Pri Rej Load Dis 3 ON Disables the Primary reject load 12 kW S1 6 Sec Rej Load Dis 3 ON Disables the Secondary reject load 6 kW S1 7 N A N A N A Not Used S1 8 N A N A N A Not Used Table 5 12 PA Backplane Board Switch S1 Switch Name Schema...

Страница 113: ... PA Fault 2 Slot Dependan t ON for Backplane 2 4 PA Slots OFF for Backplane 1 S1 8 IPA Fault 2 Slot Dependan t ON for Backplane 1 IPA Slot OFF for Backplane 2 4 Table 5 13 RF Switch Board S1 Switch Name Schematic Sheet Default User Setting Description S1 1 NC 1 N A Not Used S1 2 400 W 1 OFF Future S1 3 250 W 1 OFF Future S1 4 200 W 1 ON ON for all FAX units used for calibration of IPA and Fault th...

Страница 114: ...kewarm water with a mild soap detergent until all dust and debris is removed Rinse thoroughly to remove all soap STEP 6 Allow filter media to dry and save for use as replacement media next time procedure is performed 5 3 2 PA Module Cleaning Procedure The PA and IPA module heatsinks do not have large openings for airflow As a result it is common for the heatsinks to collect dirt over time especial...

Страница 115: ... perform the steps given below In the case of larger model transmitters FAX20kW FAX40kW one power block may be shut down and serviced while the other s continue transmitting Please consult section 5 for a procedure to follow to safely service one PA chassis at a time STEP 1 While transmitter is still operating at full power inspect all external transmission line sections for localized discoloratio...

Страница 116: ...N button to turn transmitter on STEP 21 Verify transmitter returns to full power and no alarms are reported STEP 22 As desired use off air opportunity to verify integrity of all safety interlock circuits such as station load temp sensor patch panel position switches coaxial switch position switches etc STEP 23 As desired use off air opportunity to operate transmitter into station test load and ver...

Страница 117: ...ny time while the transmitter is operating Any PA module may be swapped with a PA module in another position including the PA module in the IPA position Figure 5 2 Module Locations Note The IPA and PA modules are heavy for their size Be prepared to support the weight when module is removed Pa modules are designed to handle very high temperatures and may be extremely hot Do not touch module sides w...

Страница 118: ...ere are not latches holding the module in place STEP 4 Insert replacement PA module Normally the PA module will turn on automatically Pressing the front panel ON button will also create an ON command for all modules without any interruption of system operation STEP 5 If desired use the front panel LCD Display or use a pc connected to the front panel Ethernet port to check all PA module currents to...

Страница 119: ...e of failure of that card you will need to upload a saved configuration This file should be saved each time there is a change made to configuration calibration or new software is uploaded Use a file naming scheme that allows for easy access to the correct file and date it 5 6 2 Save Config File STEP 1 Connect the PC to the transmitter using a Ethernet cable to either the front or rear Ethernet por...

Страница 120: ...ng is complete the transmitter will reboot 5 6 4 Software Update Procedure The following steps detail the procedure to update the FAX series transmitter software You will need a PC to the Ethernet port to perform this procedure Once the software has been uploaded and programmed the transmitter will reboot and the station will be off the air for a brief period FAX Software part numbers The filename...

Страница 121: ... STEP 6 The code is now in memory inside the transmitter but has not been programmed Click on the PROGRAM button the message Programming Flash and Rebooting should appear STEP 7 Transmitter should reboot STEP 8 Go back to the IP address of the transmitter and Login verify the code took by navigating to the System Service Version screen Verify the software revisions 5 6 5 Retrieving Printing Fault ...

Страница 122: ...ther in line or a stand alone meter such as an Agilent 4418 or equivalent If the transmitter is running one of the iboc modes ensure that the power meter is capable of measur ing digital modulation Note If calibrating in the power in HD Only mode of operation the power calibrated to should be 5 higher than the TPO the transmitter will run at ie a TPO of 10 kW should be calibrated at 10 5 kW Once c...

Страница 123: ...be the same STEP 9 For HD Only mode use the Lower power button to set the transmitter to TPO If the transmitter is to be used in more than one modulation mode repeat this procedure for each mode 5 7 2 Power Block Power Calibration FAX20 30 40 Only The following procedure details how to calibrate forward and reflected power each of the power blocks in a 20kW or larger system Each power block makes ...

Страница 124: ...essage DONE appears STEP 11 Calibration is complete 5 7 3 Transmitter Air Flow Calibration The following procedure is used to calibrate the Airflow in each power block to insure proper cooling of the transmitter system This is done at the factory prior to shipping and should not have to be done unless the Power Supply Interface board is replaced The transmitter has variable speed fans and is calib...

Страница 125: ...wer so the voltage is in range Although the minimum voltage for setup is 100 mV for reliable operation of this feature keep the voltage in the range stated STEP 5 Set the EPWR CAL value to match the exciter power reading Notice that this reading is in milliwatts Some exciters such as the Flexstar read in Watts so 2 watts will be 2000 milliwatts STEP 6 Change CALIBRATE to Yes and press Enter button...

Страница 126: ...ject load calibration Power Block Combiner 6 kW Load Calibration Procedure STEP 1 Go to SETUP TX CALIBRATE REJ LOAD CAL SYSTEM REJ CAL STEP 2 Remove the IPA in one power block only STEP 3 Verify the REJ SENSE voltage reading is between 3 2 and 3 8 V If this voltage is off it may be necessary to set the gain on the Fan Control board that is mounted on the Reject Load being calibrated The gain can b...

Страница 127: ...point that the generator was capable of supplying enough power without being overdissapated It also can be used in the event the transmitter needed to be turned down in power to do maintenance on the system or antenna STEP 1 With the transmitter ON ground pin 8 of User Remote J1 This must be a continuous ground STEP 2 If this has not be filed set the transmitter should drop to about 25 power and S...

Страница 128: ...move all power from the transmitter STEP 2 Remove the 2 PA modules that plug into the backplane being removed STEP 3 Open the back door of the transmitter block to gain access to the boards STEP 4 The make access to the backplane easier unbolt the Splitter Reject load assembly This is the large assembly with the two heatsinks mounted to the right wall in the rear of the cabinet It is not necessary...

Страница 129: ...tions explain how to replace a System Interface Control PWA including the correct setting of all PWA switches The high power Flexiva FAX series of transmitters all use the same System Interface Control PWA In the 10kW Transmitter and 10kW Power Block the System Interface Module is located on the right end of the Power Supply Modules In the 20kW 30kW 40kW Transmitters a second Interface Module is u...

Страница 130: ...nterface Unit Control PWA begin by removing 2 Phillips screws from the front of the System Interface Module See Figure 5 12 Figure 5 12 System Interface Control Module Mounting Screws Carefully pull the module straight out The right side of the metal housing sits in a guide mounted on the chassis shelf Figure 5 13 System Interface Control PWA Carefully remove the ribbon cable connectors 5 SMA conn...

Страница 131: ...ards on Rev E and higher PWA s If replacing a PWA Rev D or earlier refer to Section 5 4 4 for a description of each switch The board will come in the factory default positions Verify system and power block calibrations are still correct 5 8 3 Multi Unit System Interface Board Replacement To replace the PWA in the Multi Unit System Interface Module begin by removing the 2 front Phillip screws secur...

Страница 132: ...m Harris Broadcast However this file will not have nay changes that have been made since it left the Harris Broadcast factory If Ethernet connectivity is still available got to 5 5 1 in this section of the manual and download the file prior to removal of the board STEP 1 Remove all AC power to the transmitter STEP 2 The Ethernet cable catch is located between the board and the connector it may eas...

Страница 133: ...CONTAINS THE REJECT LOAD RESISTORS FOR THE 14 WAY COMBINER AND IS DESIGNED TO HANDLE HIGH TEMPERATURES IF THERE IS AN IMBALANCE IN THE POWER BLOCK DUE TO FAILURE OF PA MODULES THE HEATSINK COULD BE HOT VERIFY ASSEMBLY IS COOL TO PRIOR TO TOUCHING STEP 1 Remove all power to the transmitter STEP 2 Open the back door to the power block that the splitter is to be replaced in STEP 3 Remove the 14 coaxe...

Страница 134: ...0 kW power block These instructions can also be followed to remove the combiner for easier access to the Power Supply Interface PWA that is mounted behind it Prior to removal the transmission line connected to the RF output will need to be removed In higher power FAX transmitters 20 kW and above the combiners will need to be removed as well See the procedures in this section of the manual on how t...

Страница 135: ... holding the combiner assembly in place There are 2 on each side of the combiner assembly See Figure 5 24 below for nut locations Figure 5 20 14 Way Combiner Nut Locations STEP 6 The combiner still has the coaxes to the PA Backplane boards attached The combiner can be leaned forward but not removed After tilting the assembly forward carefully remove each of the coaxes that are attached to the back...

Страница 136: ...Section 5 Maintenance October 28 2013 5 30 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 137: ...ter is operating without any problems at the present time Becoming familiar with the following information will be helpful to diagnose and repair problems should any arise in the future 6 2 1 LED Indicator Explanation GREEN Means OK Does not need any attention AMBER Means WARNING Transmitter is operating but there s a problem Should be investigated ASAP RED Means FAULT Something in the transmitter...

Страница 138: ... LED s in each power block if both A and B sides are green check RF Switch Board in each power block IPA faults are VSWR Over Current Under Voltage Overdrive or OverTemp POWER AMP LED is Green All PA modules in all power blocks are operating with no faults POWER AMP LED is Red One or more PA Modules are faulted or removed from the transmitter Check fault log for further details PA faults are VSWR ...

Страница 139: ...h Power Block Cabinet s Interface Control Module Both Interface cards are identical Onboard Dipswitches determine the configuration function of each card The following picture shows the front edge of a System Interface Control Module illustrating the front panel LEDs There are also 2 columns of surface mount LEDS down the middle In a FAX20 30 40 the LED s that are available depends on if the card ...

Страница 140: ...r back on DS7 FLT OFF System Fault OFF Normally OFF Illuminates Red when the transmitter Faults OFF Check other status LED s and the fault log for further information VSWR Fault greater than 1 5 1 not Foldback will cause a System Fault Off also an airflow fault will cause the system to fault off DS9 VSWR FLT VSWR Fault Normally OFF Illuminates Red when the VSWR threshold 1 5 1 is exceeded This wil...

Страница 141: ...he APC is turned OFF APC will be disabled when there are faults in the system such as failed PA module or PS module Check other LED s and the fault log for further information This can also be turned off manually in the LCD Menu tree DS14 EXC B Normally OFF Illuminates Yellow when the backup Exciter is switched into the Drive Chain DS16 LOW PWR Normally OFF Illuminates Yellow when the transmitter ...

Страница 142: ...thernet port or connected to the same network as the transmitter If connecting direct to the front panel Ethernet ensure the computer network properties is set to DHCP Once the computer is connected go to the command prompt and type telnet plus the IP address ie telnet 192 168 117 88 The screen should appear as in Figure 6 6 asking for a password Prior to August 2013 shipments the telnet password ...

Страница 143: ...P Address of front panel Ethernet port Default shown user setting only in telnet 4 MAC Address of the rear panel Ethernet port Cannot be changed 5 Mode of rear panel Ethernet port Static or DHCP user setting 6 IP Address of rear panel Ethernet port User setting 7 Netmask of rear panel Ethernet Port User setting 8 Gateway of rear Ethernet port User setting S Save Settings Required before changes ta...

Страница 144: ...er 5 IPA SW Mode changes the IPA switching mode between Auto and Manual 6 EXC SW Mode Changes the exciter switching mode between Auto and Manual 7 IPA Switch Switches the IPA between A and B side 8 EXC Switch Switches exciter between A and B a FB THD Adjusts VSWR foldback threshold DO NOT USE unless instructed by Harris Broadcast Service Engineer b PS Ref Power supply reference DAC value DO NOT US...

Страница 145: ...LED s on the System Interface Board in each power block Figure 6 7 Telnet Page 4 7 PA Modules Status Meters Displays IPA and PA Module Fault status Current PA Volts and PA Temp In a FAX30 40 pressing 2 will display status and values for power blocks 3 and 4 pressing 1 will switch display back to power blocks 1 and 2 Fault status bits are displayed as shown b0 b1 b2 b3 b4 b5 b0 PA Overdrive greater...

Страница 146: ...t will show time and date of occurrence and time and date fault was cleared R Clears the fault log Up Down arrows pages through multiple pages Figure 6 9 Telnet Page 6 7 Calibration Data Page 6 displays stored calibration data for the transmitter There are no commands available on the page Figure 6 10 Telnet Page 7 7 Debug Information Page 7 displays debug information for the transmitter There are...

Страница 147: ... parts for each assembly and sub assembly in the unit If the need comes up that requires a part not listed the numbers for that assembly can be given to a Harris Broadcast Representative who can assist in finding the correct part Table 7 1 FAX High Level Part Numbers Part Number Description 995 0091 001G FAX10K Configurable 981 0136 002 FAX 10 Basic Transmitter Primary Power Block 981 0136 003 FAX...

Страница 148: ...SHEET METAL 943 5610 078 SHIELD FRONT DOOR SHEET METAL 943 5610 084 COVER FILTER SHEET METAL 952 9266 001 JUMPERS FAX 10KW 952 9266 003 CABLE DC 952 9266 005 CABLE AC 952 9266 006 CABLE RF SWITCH 952 9266 010 CABLE SYSTEM INTERFACE POWER 952 9266 015 SINGLE EXCITER KIT CABLES ALL MODELS ASSEMBLY BASIC PRIMARY 10KW FAX 943 5614 115 RF SWITCH BRACKET SHEET METAL 995 0091 001G FRONT DOOR ASSEMBLY 971...

Страница 149: ...TTER LOAD 952 9266 008 JUMPERS SPLITTER 544 1654 000 REJECT LOAD RES 100 OHM 250W 544 1661 000 14 REJECT LOAD RES 100 OHM 10W 901 0234 011G PWA 2 WAY SPLITTER A1 055 0100 005 THERMAL COMPOND 802 971 0054 007 ASSEMBLY DIRECTION COUPLER A2 801 0234 083G PWB 14 WAY COMBINER A1 801 0234 113G 2 PWB COMBINER JUNCTION A2 A3 14 WAY PA COMBINER 971 0054 002 A14 LOW PASS FILTER 943 5614 064 HOUSING COMBINER...

Страница 150: ... 1 Per Power Block 3 Phase Wye Circuit Breakers 606 1180 000 4 Pole 40 Amp 400 VAC 1 Per Power Block 1 Phase Circuit Breakers FAX5 10 20 Only 606 1180 000 2 Pole 50 Amp 400 VAC 1 Per Power Block Outlet Strips Common to all Panels 253 0253 000 230 VAC 10 Amp 4xC13 253 0254 000 120 VAC 10 Amp 4x5 15R 7 3 FAX20 30 40 Specific Parts The cabinet interface board is part of the Multi Unit COntrol panel l...

Страница 151: ...Description Qty 430 0358 000 Fan 48 VDC 410 CFM PWM Control 172 mm 2 or 4 546 0338 000 Resistor 500 ohm 10 300 Watt Non Inductive 10 or 20 901 0234 151G Fan Control Board 1 per Load Table 7 3 FAX20 30 40 Combiners Part Number Description 971 0054 012 2 way Power Combiner 20 kW output 3 dB Hybrid 971 0054 019 2 way Power Combiner 30 kW output 4 77 dB Hybrid 971 0054 047 2 way Power Combiner 40 kW o...

Страница 152: ...Section 7 Parts List October 28 2013 7 6 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 ...

Страница 153: ... required to be bolted together the following instructions are to be followed Refer to wiring diagrams in Section 100 of the drawing package that accompanied the transmitter if needed a 2 Procedure Set racks side by side with the driver transmitter cabinet 1 on the left Must have a space of 1 3 4 between racks in both the front and back sides Cabinet 1 Top PAB Cabinet 2 Bottom PAB Top PAB Bottom P...

Страница 154: ...er prior to Servicing 888 2720 001 Loosen the pre installed hardware between cabinet 1 2 Assemble filler channels to the front and rear of cabinets 3 per side From the top maneuver each channel onto hardware Tighten hardware until secure 1 3 4 Filler Channel 943 5614 508 Installed Filler Channel 3 Places Both Sides ...

Страница 155: ...ove preinstalled hardware from top of racks Install top bracket and secure with hardware that was just removed Fasten the top ends of the channel covers to top bracket with finish screws 2 Channel Cover 943 5614 507 1 Top Bracket 943 5614 509 4 Screw 303 4112 025 4 Flat 310 0026 000 4 Split 314 0015 000 2 Finish Screw Channel Cover 943 5614 507 2 Places Front Rear Pre installed Hardware Top Bracke...

Страница 156: ... Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Bend back grounding strap in cabinet 2 and fasten to the grounding bar cabinet 1 Position the final horizontal combiner as shown and maneuver into cabinets Grounding Bar Bend Back the Grounding Strap ...

Страница 157: ...013 Harris Broadcast Connect the final horizontal combiner to both vertical combiners Secure combiner with hose clamps at each inlet Install RF conductor assembly that shipped loose with unit Insert RF conductor assembly thru cabinet 2 and maneuver around combiner and connect to reject load in front of cabinet 1 Cabinet 1 Cabinet 2 ...

Страница 158: ...prior to Servicing 888 2720 001 Connect the RF conductor previously installed to the top of the horizontal combiner Secure hose clamp at connection Install directional coupler onto the horizontal combiner Install RF output line going from the coupler to the top of rack RF Line Coupler Even Numbers on This Side Coupler ...

Страница 159: ...Disconnect primary power prior to Servicing Copyright 2013 Harris Broadcast Fasten the RF connector bullet to top of rack and connect to the RF output line coming from coupler Locate the bag with 10 AC power cables in cabinet 1 Remove cables from bag and route over to cabinet 2 ...

Страница 160: ...20 001 Route the 10 power cables thru the white clamps on the air duct Route cables 9 11 13 15 into the corner of the top power block Connect cables to the AC inlet connectors as shown below Route the black cables 203 204 with receptacles into air duct above transmitter 11 Brown 13 Black 15 Grey Air Duct 203 204 White Clamps 9 Green 9 11 13 15 ...

Страница 161: ... 001 WARNING Disconnect primary power prior to Servicing Copyright 2013 Harris Broadcast Route cables 10 12 14 16 from side of cabinet to bottom power block Connect cables to bottom power block s AC Inlet connectors as shown below 12 Brown 16 Grey 14 Black 9 Green ...

Страница 162: ...Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Route the black cables w receptacles up to both exciters Plug in cable 203 to Exciter A Plug in cable 204 to Exciter B Exciter A Exciter B Cable 204 Cable 203 ...

Страница 163: ...ary power prior to Servicing Copyright 2013 Harris Broadcast Locate bag with coax cables pink wires in rear of cabinet 2 Remove cables from bag Route coax cables up to the directional coupler Connect cable 103 to J1 Connect cable 104 to J2 Connect cable 105 to J3 104 to J2 105 to J3 103 to J1 ...

Страница 164: ...nification Instructions October 23 2013 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Connect Wago connectors with pink wires 217 218 together in cabinet 2 as shown ...

Страница 165: ...roadcast Locate the bag with a ribbon cable in the front of cabinet 1 Remove cables from bag and route over to cabinet 2 Connect Wago connectors with pink wires 210 thru 216 together in cabinet 2 Clamp Cables as shown Connect W208 W209 FAX40 Only and W201 as shown above Ensure coaxes are tight but do not over tighten W201 208 209 W208 W209 W201 ...

Страница 166: ...ober 23 2013 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Install blank panel onto front of cabinet 2 Assemble rear doors on both cabinets End of cabinet unification instructions Blank Panel ...

Страница 167: ......

Страница 168: ...al http support harrisbroadcast com 9800 S Meridian Blvd Ste 300 Englewood CO 80112 U S A 2013 Harris Broadcast Harris Broadcast is an independent company not affiliated with Harris Corporation Trademarks and tradenames are the property of their respective companies ...

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