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Page 4-14

V10/V7.5/V5/V3.5 Installation and Operation Manual

Issue 3.5

Section 4 Testing and Adjustment

4.4 NON-STANDARD

ADJUSTMENTS

The following non-standard adjustments
are described in this section. They have
been factory set prior to shipping and do
not require verification or re-calibration
unless an unintentional adjustment has
been made or a fault has occurred.

4.4.1 Changing

Frequency

4.4.2

Changing Ac Input Configuration

4.4.1 Changing Frequency

To perform a frequency change, refer to
the

Change Power, Frequency or Mode

paragraph (3.6.4) in Section 3.

4.4.2 Changing Ac Input

Configuration

To prepare the transmitter for a change in
ac input configuration (e.g., 1-phase to 3-
phase), perform the following steps:

(a) Press

RF Off

. Disconnect the

transmitter from its ac power source.

(b) Remove the lower rear filter panel

(retain hardware). Remove the cover
from the ac distribution assembly (A1)
to access the ac connection terminals
(retain hardware). Leave the filter
panel off until the configuration
change is complete.

(c) Use the 3/16 inch hex wrench from

the ancillary kit to disconnect the
existing ac wires from terminals E1
through E4 (as applicable) of the ac
distribution assembly. Ensure the ac
terminals do not turn during wire
installation. Retain any ferrite toroids
used with the ac wiring.

(d) Reconfigure the ac distribution

assembly by changing the necessary
connector straps and terminal lugs
(E1 - E4) for the new ac input (see
Figure 2-3 of this manual or Figure
MD-4 of the Repair Manual).

•

Any additional straps, terminal lugs
and associated hardware have been
packed with the ancillary kit.

•

Secure all connector straps to their
appropriate pillars. Torque hardware
to 96 in-lbs (10.8 N-m).

•

Secure all terminal lugs (E1 - E4, as
applicable) to the connector straps as
shown in Figure 2-3. For a 3-phase,
208 V ac input configuration, install a
2 AWG jumper (provided) between E1
and the strap connected to fuse F6.
Torque hardware to 120 in-lbs
(13.4 N-m).

(e) Install the new ac power source’s

wiring as detailed in paragraph 2.3.6.

(f) Re-install the cover on the ac

distribution assembly (A1) and re-
install the lower rear filter panel using
hardware retained in step (b).

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Содержание V10

Страница 1: ... Hackett s Cove NS Canada B3Z 3J4 T 877 6 nautel 628835 or 1 902 823 2233 F 1 902 823 3183 info nautel com U S customers please contact Nautel Inc 201 Target Industrial Circle Bangor ME 04401 T 877 6 nautel 628835 or 1 207 947 8200 F 1 207 947 3693 info nautel com e mail support nautel com www nautel com Copyright 2007 NAUTEL All rights reserved ...

Страница 2: ......

Страница 3: ...y replacement parts and repair which are provided under items 2 or 3 shall be guaranteed for a period of ninety days from date of shipment or until the end of the original warranty period whichever occurs later 6 Nautel will not assume responsibility for any charges incurred by other than Nautel employees 7 Nautel shall have the privilege of investigating whether failures have been caused by facto...

Страница 4: ...omer s transmitter experiences a failure Nautel can send out a factory rebuilt module to replace the faulty module Nautel s two locations Canada and the United States provide quick turn around times keeping our customers on the air During the transmitter s warranty period exchange of modules is performed at no charge to the customer Once the warranty has expired the cost of a module exchange is on...

Страница 5: ...the equipment there is a risk of receiving a severe or fatal electrical shock ELECTROSTATIC SENSITIVE Indicates a part or assembly is or contains devices that are electrostatic sensitive To prevent damage to these devices ensure the handling procedures outlined in this manual are observed WARNING A WARNING denotes a hazard It identifies an operating procedure condition etc which if not strictly ob...

Страница 6: ...PINCH CASUALTY S NOSE AND EXHALE TWO SLOW BREATHS INTO CASUALTY Figure 5 h REMOVE YOUR MOUTH and check for breathing Figure 6 i CONTINUE GIVING ONE BREATH EVERY FIVE SECONDS without interruption If any air is retained in the stomach after exhalation by casualty press gently on stomach to expel air j IF CHEST DOES NOT RISE CHECK for obstruction in casualty s mouth clear foreign material using your ...

Страница 7: ...o not handle affected areas more than necessary 7 Do not apply salves grease etc to burns 8 Do not remove burned clothing that adheres to the skin or breaks blisters 9 Cover the burn with a dry sterile dressing piece of sheeting etc 10 Bandage lightly over blisters care must be taken to cover and not to break the blisters 11 If severe bleeding of wound elevate affected area except in the case of a...

Страница 8: ...ient is breathing on his own or until medical aid arrives Survival rates can be quite high if cardiopulmonary resuscitation is started within 3 to 4 minutes of the injury being received Act At Once Delay or Indecision May Be Fatal 1 Turn OFF the electrical source 2 Commence artificial respiration immediately 3 Treat for burns bleeding and shock Removing a Casualty From Electrical Contact LOW VOLTA...

Страница 9: ...m oxide ceramic which is non hazardous during normal device operation and under normal device failure conditions These devices are specifically identified in the equipment manual s parts list s DO NOT cut crush or grind devices because the resulting dust may be HAZARDOUS IF INHALED Unserviceable devices should be disposed of as harmful waste ...

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Страница 11: ...2 2 2 1 7 Ac Power Switch 2 2 2 2 2 Lightning Protection 2 2 2 2 3 Station Reference Ground 2 2 2 2 4 Ac Power Source 2 2 2 2 4 1 Ac Wiring 2 6 2 2 5 Antenna Feed Cable 2 6 2 2 6 Antenna RF Output Disconnect 2 6 2 2 7 Antenna Tower 2 6 2 2 8 External Control Monitor Wiring 2 6 2 2 9 Electrical Power 2 6 2 2 9 1 Voltage Stability 2 6 2 2 9 2 Power Consumption 2 8 2 2 9 3 External Ac Switching 2 8 2...

Страница 12: ...16 8 High Temperature Alarm 2 14 2 2 16 9 Low RF Alarm 2 14 2 2 17 Remote Status Indications 2 14 2 2 17 1 Remote Control Status 2 14 2 2 17 2 RF On Status 2 14 2 2 17 3 Active Exciter Status 2 14 2 2 17 4 Active IPA Status 2 15 2 2 17 5 Active IPA Power Supply Status 2 15 2 2 17 6 Active Fan Power Supply Status 2 15 2 2 17 7 Preset Status 2 15 2 2 17 8 Transmitter Ready Status 2 15 2 2 17 9 Valid...

Страница 13: ...r On Air 2 26 3 OPERATING INSTRUCTIONS 3 1 INTRODUCTION 3 1 3 1 1 Precautions 3 1 3 2 EMERGENCY SHUTDOWN 3 1 3 2 1 Complete Shutdown 3 1 3 2 2 Turn Off RF Output 3 1 3 3 EXTERNAL SAFETY INTERLOCK 3 1 3 4 ELECTROSTATIC DISCHARGE PROTECTION 3 2 3 4 1 Discharging of Personnel 3 2 3 4 2 Handling Storage 3 2 3 4 3 Tools Test Equipment 3 2 3 4 4 Stress Current Protection 3 2 3 5 CONTROLS AND INDICATORS ...

Страница 14: ...UTIONS 4 1 4 3 FUNCTIONAL TESTS 4 1 4 3 1 General 4 1 4 3 2 Test Equipment Required 4 2 4 3 3 Test Prerequisites 4 2 4 3 4 Transmitter Turn On 4 4 4 3 5 Remote Control Checks 4 4 4 3 5 1 Remote Control Prerequisites 4 4 4 3 5 2 Remote On Off Control 4 5 4 3 5 3 Remote Selection of Active Exciter 4 5 4 3 5 4 Remote Selection of Active IPA Module or PA 4 6 4 3 5 5 Remote Selection of Active IPA Powe...

Страница 15: ...5 9 5 5 1 1 2 Exciter Output Load Fluctuation 5 9 5 5 1 2 IPA Input High 5 9 5 5 1 3 Exciter Communication Failure 5 9 5 5 1 4 Check Exciter 5 10 5 5 1 5 Exciter Fault 5 10 5 5 1 6 Mode Frequency Mismatch 5 10 5 5 2 IPA PA Alarm 5 10 5 5 2 1 IPA Forward High 5 11 5 5 2 2 IPA Forward Low 5 12 5 5 2 3 IPA Match 5 12 5 5 2 4 IPA Reflected High 5 13 5 5 2 5 Module Failure A H 5 13 5 5 2 5 1 Module Off...

Страница 16: ...LE FAULT ISOLATION 5 28 5 9 REPLACING AN RF POWER MODULE 5 28 5 9 1 RF Power Module Removal 5 28 5 9 2 RF Power Module Installation 5 29 5 10 IPA MODULE FAULT ISOLATION 5 29 5 11 REPLACING AN IPA MODULE 5 30 5 11 1 IPA Module Removal 5 30 5 11 2 RF Power Module Modifications for IPA Operation5 30 5 11 3 IPA Module Installation 5 31 5 12 REJECT LOAD MODULE FAULT 5 32 5 12 1 Reject Load Module Remov...

Страница 17: ...wer Supply Module PA IPA Controls and Indicators 3 9 3 4 Control Display PWB Controls and Indicators 3 11 3 5a Interconnect PWB Controls and Indicators 3 13 3 5b Interconnect PWB Transmitter Usage 3 14 3 6 Remote Interface PWB Controls and Indicators 3 17 3 7 Power Module Interface PWB Controls and Indicators 3 19 3 8 External Analog Sample Outputs 3 27 4 1 Improving Reject Load Power 4 13 5 1 Sch...

Страница 18: ... Input Output Interface V5 V3 5 2 28 2 8 Dimensional Information V10 V7 5 2 29 2 9 Dimensional Information V5 V3 5 2 30 3 1 Transmitter Front Panel Primary User Interface 3 3 3 2 Transmitter Front Panel System Diagram Section 3 4 3 3 Transmitter Front Panel Control Section 3 6 3 4 Switching Power Supply Module Front Panel 3 8 3 5 Control Display PWB A43 Partial View 3 10 3 6 Interconnect PWBs 3 12...

Страница 19: ...5 3 1 06 September 2006 Incorporated Customer Service feedback 3 2 25 October 2006 Added V7 5 and V3 5 information Moved packing bracket removal procedure to section 2 from section 5 3 3 22 March 2007 Incorporated Customer Service feedback 3 4 28 May 2007 Software release update 3 5 05 July 2007 Para 2 2 11 Added exciter output power requirements ...

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Страница 21: ...es is also available Refer to the Factory Support section of the Warranty pages at the front of this manual for additional information 1 3 PURPOSE OF MANUAL This Installation and Operation Manual provides the information required for installation general operation and system level troubleshooting to the module level the transmitter The Repair Manual also supplied provides more in depth component l...

Страница 22: ...max 7 300 rated 1 000 min 6 000 max 5 480 rated 750 min 4 000 max 3 650 rated 500 min 3 000 max 2 740 rated 380 min All Digital HD 3 000 max 2 800 rated 500 min 2 250 max 2 100 rated 380 min 1 500 max 1 400 rated 250 min 1 130 max 1 050 rated 190 min 1 7 TEST EQUIPMENT Table 1 2 lists the test equipment and special tools required to operate and maintain the transmitter 1 8 GLOSSARY OF TERMS Table ...

Страница 23: ...or equivalent Modulation level setup and performance monitoring Spectrum Analyzer HP4396B or equivalent Hybrid All Digital mode output spectrum testing Audio Signal Generator 10 Hz to 20 kHz 600 Ω 0 to 15 dBm Audio Precision SYS 2 or equivalent Simulates modulating audio during testing and maintenance Distortion Analyzer 20 Hz to 20 kHz Audio Precision SYS 2 or equivalent Measures audio distortion...

Страница 24: ...sting analog broadcast Intermediate Power Amplifier IPA Refers to a module within the transmitter which amplifies the exciter s RF output to a level sufficient to drive the final RF amplifiers LCD Liquid Crystal Display LED Light Emitting Diode also referred to as lamp Low Voltage Power Supply LVPS Refers to a module within the transmitter which provides all of the necessary rail supply voltages e...

Страница 25: ...le lengths and routing 2 2 1 2 Transmitter Weight Refer to Figure 2 1 for transmitter weight Sufficient manpower or lifting apparatus is required to move the transmitter 2 2 1 3 Transmitter Clearances Refer to Figure 2 1 for recommended transmitter clearances noting that the V10 V7 5 cabinet is larger than the V5 V3 5 cabinet 2 2 1 4 Air Flushing Fans at the rear of each RF power module and at the...

Страница 26: ...pecific protection techniques Installing Nautel s surge protection panel is highly recommended The following requirements are considered to be essential and failure to follow the site layout requirements may void the transmitter warranty 2 2 3 Station Reference Ground The site must contain a station reference ground as defined in Nautel s Recommendations for Transmitter Site Preparation booklet Th...

Страница 27: ... 741 lbs 585 lbs 565 lbs UNCRATED ASSEMBLED 263 kg 254 kg 205 kg 195 kg 580 lbs 560 lbs 450 lbs 430 lbs NOTE UNCRATED WEIGHTS INCLUDE ALL OPTIONAL ASSEMBLIES TEMPERATURE 0 C TO 50 C MAXIMUM OPERATING TEMPERATURE AT SEA LEVEL 0 m DERATE 3 C PER 500 m or 2 C PER 1 000 ft ABOVE SEA LEVEL EXAMPLE AT 1 600 m 1 mile ABOVE SEA LEVEL MAXIMUM AMBIENT TEMPERATURE SHOULD NOT EXCEED 40 4 C ALTITUDE 0 TO 3 000...

Страница 28: ...peration Manual Issue 3 5 Section 2 Preparation for Use and Installation Figure 2 2 Customer Interface Connections J1 J2 NX LINK U15 E1 J8 J9 TB2 V10 V7 5 SHOWN FOR REFERENCE J4 J6 TB3 TB4 TB1 see Figure 2 3 for connection options FERRITE TOROIDS ...

Страница 29: ...nection Options E1 Line A E2 Line B E3 Line C THREE PHASE 3φ 180 264 V ac Typically North American Japan 208 V 3φ L L E4 Neutral E3 Line C E2 Line B E1 Line A THREE PHASE 3φ 312 457 V ac Typically India Europe New Zealand Israel Australia 380 415 V 3φ wye L L 220 240 V L N E1 Line A E2 Line B Neutral SINGLE PHASE 1φ 180 264 V ac L L or L N ...

Страница 30: ...F feed antenna design which disconnects the antenna from the transmitter s RF output when the transmitter is turned off This switching circuit will prevent lightning induced transients from damaging the transmitter s solid state devices 2 2 7 Antenna Tower The antenna tower is the most likely target for lightning strikes It is imperative that it contains lightning protection devices as the first l...

Страница 31: ...FM FM HD HD 13 1 12 1 7 6 73 68 42 2 100 A ABB Control Inc S3N100TW 3φ 180 264 FM FM HD HD 8 7 8 1 5 1 33 31 19 6 50 A ABB Control Inc S3N050TW 3φ Wye 312 457 FM FM HD HD 8 7 8 1 5 1 33 31 19 6 50 A ABB Control Inc S3N050TW V5 1φ 180 264 FM FM HD HD 8 7 8 1 5 1 48 45 28 4 75 A ABB Control Inc S3N080TW 3φ 180 264 FM FM HD HD 6 5 6 1 3 8 24 22 14 8 40 A ABB Control Inc S3N040TW 3φ Wye 312 457 FM FM ...

Страница 32: ... should be a suitably rated coaxial cable As a standard the RF output is configured to accept a non gas type 3 1 8 inch V10 V7 5 or 1 5 8 inch V5 V3 5 EIA flange male connection appropriate male inner connector not provided with the transmitter Optional EIA connections are available see below V10 V7 5 7 8 or 1 5 8 inch also available V5 V3 5 7 8 or 3 1 8 inch also available 2 2 11 RF Drive Source ...

Страница 33: ...emote control is selected All external input output interface connections are shown in Figure 2 7a V10 V7 5 or 2 7b V5 V3 5 The remote interface PWB contains circuits that allow the user to select an internal single ended input or external differential input dc power supply as the current source for the opto coupler associated with each controlled function The switching circuit for each remotely c...

Страница 34: ...tion The main IPA selection circuit selects which IPA module for V10 PA for V5 is enabled as the main IPA It comprises an A TB3 7 8 and a B TB3 9 10 circuit Table 2 3 Remote Control Connections TB3 TB4 J4 or J6 of remote interface PWB Remote Control SGL DIFF Jumper Terminal Pin Exciter A Select E2 TB3 2 3 Exciter B Select E1 TB3 4 5 IPA A Select E9 TB3 7 8 IPA B Select E8 TB3 9 10 Reset E20 TB3 11...

Страница 35: ...change In hybrid FM HD or all digital HD mode a temporary pulse application causes a 1 change based on the transmitter s rated power level for FM HD mode 75 W V10 55 W V7 5 37 W V5 or 27 W V3 5 for HD mode 30 W V10 20 W V7 5 15 W V5 or 10 W V3 5 A three second or longer application causes a 10 change for FM HD mode 750 W V10 550 W V7 5 370 W V5 or 270 W V3 5 for HD mode 300 W V10 200 W V7 5 150 W ...

Страница 36: ...wer IPA Monitor V10 FM 10 000 W 250 W IPA 1 0 V V10 FM HD 7 300 W 0 4 V V10 HD 2 800 W 0 4 V V7 5 FM 7 500 W 250 W IPA 1 0 V V7 5 FM HD 5 480 W 0 4 V V7 5 HD 2 100 W 0 4 V V5 FM 5 000 W 250 W IPA 1 0 V V5 FM HD 3 650 W 0 2 V V5 HD 1 400 W 0 3 V V3 5 FM 3 750 W 250 W IPA 1 0 V V3 5 FM HD 2 740 W 0 2 V V3 5 HD 1 050 W 0 3 V Table 2 4 Remote Monitor Connections TB1 J4 or J6 of remote interface PWB Re...

Страница 37: ...2 15 6 Intake Air Temperature Sample Sample Out 5 The dc voltage on J6 11 is full scale when the intake air temperature is 90 C 2 2 15 7 Exhaust Air Temperature Sample Sample Out 6 The dc voltage on J6 12 is full scale when the exhaust air temperature is 90 C 2 2 15 8 Total PA Current Sample Sample Out 7 The dc voltage on J6 21 is full scale when the total power amplifier current is 360 A V10 270 ...

Страница 38: ...P ALARM 2 2 16 9 Low RF Alarm An alarm output that indicates the RF output power is less than a user configurable threshold default is 50 is available on TB1 7 LOW RF ALARM 2 2 17 Remote Status Indications Outputs that indicate the status of operator controlled circuits are available on the remote interface PWB A44 see Figure 2 7a V10 V7 5 or 2 7b V5 V3 5 for pin assignment A switching device for ...

Страница 39: ...esent when the control functions are not operable 2 2 17 9 Valid Data Status A status output that indicates communication between the control monitor PWB and remote interface PWB is available on J4 26 A logic true condition is present when communication exists A logic false condition is present when communication is lost 2 2 17 10 15 V Supply A 15 V dc voltage for remote control monitoring circuit...

Страница 40: ...d set the transmitter in auto fan supply Fan PS changeover mode to enable the standby switching feature 2 2 21 5 Output Connector Option The V10 V7 5 s standard output connection is 3 1 8 inch EIA A 1 5 8 inch or 7 8 inch EIA output connection is also available Use of a 7 8 inch connector is limited by power level and altitude The V5 V3 5 s standard output connection is 1 5 8 inch EIA A 3 1 8 inch...

Страница 41: ...ted If necessary loosen the hex head screws to adjust the position of the securing bracket 2 3 3 Visual Inspection Perform a visual inspection on the cabinet its modules assemblies and printed wiring boards The inspection should cover the following a Verify the LCD screen on the front panel is not damaged b Remove any packing materials tape tyraps bubble wrap used to secure wiring cabling for ship...

Страница 42: ...and Operation Manual Issue 3 5 Section 2 Preparation for Use and Installation Figure 2 6 Removing Power Module Packing Bracket M5 HEX HEAD SCREWS QTY 6 REMOVE EXISTING M4 SCREW FROM RF POWER MODULE AND REPLACE AFTER PACKING BRACKET IS REMOVED ...

Страница 43: ...ermine if they are differential or single ended input See 2 2 13 Remote Control Circuits for more information on the type of input d Cut each wire to the required length and if the wire connects to a terminal block remove 3 8 inch 9 5 mm of insulation from the end of each wire if the wire connects to a pin connector remove approximately 1 8 inch 3 2 mm of insulation from the end of each wire e Ins...

Страница 44: ...s do not turn during wire installation j Connect the ac ground wire to the inside threads of the station reference ground bolt E1 2 3 7 Installing Exciters and Connecting Inputs Install internal or external exciter s A14 and A15 if applicable and make connections to them as follows NOTE Exciter B A15 is provided when you purchase a standby exciter If the transmitter operates from a single exciter ...

Страница 45: ...er to the GPS INPUT 10 MHz BNC connector c Connect the program input to the appropriate exciter input as detailed in the M50 Installation and Operation Manual After making any necessary program input adjustments secure the exciter s using four front panel screws located in a bag attached to the exciter s NOTE Route exciter program cables through a ferrite toroid provided with the exciter s ancilla...

Страница 46: ...E30 exciter s Technical Instruction Manual Make any necessary program input adjustments and secure the exciter s using four front panel screws located in a bag attached to the exciter s NOTE Route exciter program cables through a ferrite toroid provided with the exciter s ancillary kit to the rear of the exciter s f For external exciter mounting consider the following Connect a coaxial cable betwe...

Страница 47: ...tput Stud Plate Install the stud plate on the RF output on top of the existing spacer plate s Use the M6 securing screws removed in step b d Install an EIA flange connector 3 1 8 1 5 8 or 7 8 inch on the feed cable NOTE If the RF feed cable s EIA flange connector does not have a male connector for the centre conductor obtain an EIA bullet for the EIA flange connector e Locate and remove six sets o...

Страница 48: ...19A3 B IPA Switching Power Supply Module U2 B LVPS Module U12 B Fan Supply Module U14 2 4 1 Precautions The transmitter contains many solid state devices that can be damaged if subjected to excessive heat or high voltage transients Ensure circuits are not overdriven or disconnected from their loads while turned on Read and observe the precautionary information in Section 3 Operating Instructions p...

Страница 49: ...sary remove covers from any PWB to improve accessibility to a test point or adjustment Re install covers when the commissioning procedure is complete f Select local control by pressing the Control Local button g Preset 1 is factory set to the customer s configuration and power level If desired select a different active preset in the Power Control menu see 3 6 4 NOTE For transmitters using M50 exci...

Страница 50: ...e transmitter operates at the assigned power level with no alarms Select the desired main IPA module A or B r For V5 V3 5 only If a standby IPA PS module is installed select IPA PS B as main and verify the transmitter operates at the assigned power level with no alarms Select the desired main IPA PS A or B s If a standby exciter is installed select exciter B as main and verify the transmitter oper...

Страница 51: ...ER A REMOTE TO EXTERNAL 13 8 30 10 3 N C 5 N C GROUND 37 28 34 N C 23 18 25 20 A44J4 1 24 15 26 19 N C 14 21 16 N C A44J6 9 4 N C 11 6 N C 20 18 1 A44J6 16 14 12 10 8 6 4 INPUT OUTPUT EXTERNAL GROUND PRESET 6 STATUS PRESET 1 STATUS SAMPLE OUT 10 SAMPLE OUT 12 GROUND PA VOLTS SAMPLE INTAKE AIR TEMP SAMPLE FWD PWR SMPL 15V AC FAULT ALARM IPA STATUS RF ON STATUS GND CHGOV ALARM SMY ALARM FROM 3 PHASE...

Страница 52: ......

Страница 53: ... C 5 GROUND 37 28 34 N C 23 18 25 20 A44J4 1 24 15 26 19 N C 14 21 16 N C A44J6 9 4 N C 11 6 N C 20 18 1 A44J6 16 14 12 10 8 6 4 INPUT OUTPUT EXTERNAL GROUND PRESET 6 STATUS PRESET 1 STATUS SAMPLE OUT 10 SAMPLE OUT 12 GROUND PA VOLTS SAMPLE INTAKE AIR TEMP SAMPLE FWD PWR SMPL 15V AC FAULT ALARM IPA STATUS RF ON STATUS GND CHGOV ALARM SMY ALARM FROM 3 PHASE FROM ALL AC POWER SOURCE FROM 1 PHASE GRO...

Страница 54: ......

Страница 55: ...Dimensions inches mm Dimensional Information V10 V7 5 Transmitter Issue 3 5 Not to Scale Figure 2 8 Page 2 29 ...

Страница 56: ......

Страница 57: ...Dimensions mm inches Dimensional Information V5 V3 5 Transmitter Issue 3 5 Not to Scale Figure 2 9 Page 2 30 ...

Страница 58: ......

Страница 59: ...t When the cause of the emergency shutdown is external to the transmitter or is in the RF output portion of the transmitter the following will turn off the RF power produced by the power modules WARNING The following will not remove the ac power source voltage from the transmitter or inhibit any of the internal low voltage dc supplies If the reason for the shutdown requires all voltages be turned ...

Страница 60: ...nsmitter or when it is not being subjected to maintenance procedures Electronic components should be stored in anti static materials 3 4 3 Tools Test Equipment Testing and maintenance equipment including soldering and unsoldering tools should be suitable for contact with static sensitive semiconductor devices 3 4 4 Stress Current Protection Always ensure the static sensitive semiconductor devices ...

Страница 61: ...and increase or decrease and its operator control source local or remote The RF Off switch is functional regardless of local or remote selection Refer to Figure 3 3 and Table 3 2 for a description of the controls and indicators Diagnostic Display a menu driven user interface screen with five associated push buttons which allows control and monitoring of the transmitter s critical parameters and mo...

Страница 62: ...ols and indicators on the interconnect PWBs A17 A18 and A23 through A30 3 5 5 Remote Interface PWB Figure 3 7 and Table 3 6 identify and describe the controls and indicators on the remote interface PWB A44 3 5 6 Power Module Interface PWB Figure 3 8 and Table 3 7 identify and describe the controls and indicators on the power module interface PWB A5 on each IPA module and RF power module 3 5 7 Misc...

Страница 63: ... to the standby IPA power supply module or operate at a reduced power level or be shut down May also indicate that the backup battery s voltage is below an acceptable threshold External Alarm When turned on red indicates the external interlock circuit is not presenting a closed circuit Transmitter will be shut down Changeover When turned on red indicates a changeover to the standby exciter IPA IPA...

Страница 64: ...Page 3 6 V10 V7 5 V5 V3 5 Installation and Operation Manual Issue 3 5 Section 3 Operating Instructions Figure 3 3 Transmitter Front Panel Control Section ...

Страница 65: ...e a power decrease of 100 W V10 V7 5 or 50 W V5 V3 5 In hybrid FM HD or all digital HD mode each step decreases the RF drive from the M50 exciter to achieve a power decrease of 1 of the rated power Pressing and holding the switch increases the rate of power change The power level will roll over to maximum if you decrease below minimum power A power change is activated by pressing the GUI s Save so...

Страница 66: ...Page 3 8 V10 V7 5 V5 V3 5 Installation and Operation Manual Issue 3 5 Section 3 Operating Instructions Figure 3 4 Switching Power Supply Module Front Panel AC OK DC FAIL ON STANDBY ...

Страница 67: ... module A through H for V10 transmitters A through C and E through G for V7 5 transmitters A through D for V5 transmitters A through C for V3 5 transmitters or IPA module A or B for V10 V7 5 transmitters PA A or B for V5 V3 5 transmitters NOTES For V10 transmitters there are up to ten identical switching power supply modules Prefix with U1 IPA A U2 IPA B or U3 through U10 PA A through PA H respect...

Страница 68: ... Y1 R9 R27 R25 Y2 C36 TP9 TP69 R30 C34 C31 C44 C54 C52 R47 U10 R57 R56 R54 R53 R317 R45 L6 R50 C78 C181 C49 R48 R279 R74 R77 R73 R82 U13 C67 C62 C69 C188 R90 R80 C64 C61 R102 L9 R86 C87 R311 R97 C193 R307 TP22 C81 R291 U16 Q1 R306 C80 C84 R100 L13 R63 CR CR1 R1 R1 J15 1 U5 U6 R26 L7 1 J5 R278 TP21 C77 R312 CR7 TP5 R24 C9 C10 R22 C42 C8 R68 R69 R5 C55 R42 R41 R40 C27 R65 R38 CR3 TP11 TP4 R37 C56 C1...

Страница 69: ...tage power supply s 15 V is being applied to the control display PWB LVPS TEST Jumpers E2 E3 E5 Installed during normal operation Removed for LVPS fault troubleshooting purposes only Low voltages included 5V E2 15V E3 and 15V E5 NORM BYPASS Jumpers E7 E8 Jumpers used to enable or bypass the selection of remote control and remote RF off Factory installed in NORM normal position shorting pins 1 and ...

Страница 70: ...A25 A27 through A29 V5 transmitters use only A17 and A23 through A26 V3 5 transmitters use only A17 and A23 through A25 S1 4 OPEN 1 2 3 J1 3 2 1 4 5 9 8 7 6 OPEN 101112 S1 PA PA V IPA B A4 TERM A1 A2 IPA PA PA M2040048 VA INHB S2 CTRL V IPA A IPA V A3 IPA A0 ADDRESS 3 2 1 4 5 9 8 7 6 OPEN 101112 4 OPEN 1 2 3 J1 IPA PA PA PA IPA B PA V A4 TERM A2 A1 M2040049 VA S2 S1 INHB ADDRESS IPA IPA A IPA V A3...

Страница 71: ... identical interconnect PWBs A17 A18 optional and A23 through A25 and A27 through A29 used in conjunction with IPA modules A and B RF power modules A through C and E through G For the V5 there are five electrically identical interconnect PWBs A17 and A23 through A26 used in conjunction with the IPA module and RF power modules A through D For the V3 5 there are four electrically identical interconn...

Страница 72: ...1 1 0 1 0 0 1 0 0 1 0 x 0 0 1 1 V10 V7 5 A18 IPA B 0 0 1 1 0 1 1 0 1 0 0 x 0 0 1 1 ALL A23 PA A 1 1 0 0 0 0 V10 V7 5 1 V5 V3 5 0 1 0 0 1 x 1 1 0 0 ALL A24 PA B 0 0 1 0 0 0 0 1 0 0 1 x 1 1 0 0 ALL A25 PA C 1 0 1 0 0 0 0 1 0 0 1 x 1 1 0 0 V10 V5 A26 PA D 0 1 1 0 0 0 0 1 0 0 1 x 1 1 0 0 V10 V7 5 A27 PA E 1 1 1 0 0 0 0 1 0 0 1 x 1 1 0 0 V10 V7 5 A28 PA F 0 0 0 1 0 0 0 1 0 0 1 x 1 1 0 0 V10 V7 5 A29 PA...

Страница 73: ...V10 V7 5 V5 V3 5 Installation and Operation Manual Page 3 15 Section 3 Operating Instructions Issue 3 5 This page intentionally left blank ...

Страница 74: ...116 1 E19 1 E17 1 E18 U39 1 E16 R7 1 J2 R17 CR1 L26 L30 L32 L35 CR4 CR5 U13 TP3 L40 L46 L50 CR7 U21 U19 R92 U32 U34 U29 U33 U31 1 E20 TB1 R3 R4 L36 C92 R6 C64 R1 C106 R41 R42 C70 R23 R24 R21 C37 C69 R38 R37 R20 C3 C1 C99 L1 C105 R69 C39 C104 CR16 L16 C103 R67 L14 L13 CR14 L11 C98 R65 R27 R64 R26 CR12 CR11 R71 R63 CR10 C94 C124 R108 CR29 C133 R107 C132 CR26 R105 C130 C129 CR24 R102 CR22 CR23 R101 C...

Страница 75: ...ion selection jumpers that configure the remote interface PWB to accept either single ended SGL or differential DIFF remote control inputs A differential input is selected when a shorting shunt post E1 through E21 shorts pins 1 and 2 of its associated 3 pin header A single ended input is selected when a shorting shunt post E1 through E21 shorts pins 2 and 3 of its associated 3 pin header See Table...

Страница 76: ... C5 U1 R14 R15 C24 R11 R12 R27 R24 C20 C12 U6 U7 R6 R19 R16 CR4 CR3 C18 C16 L2 C17 U18 L7 C37 C57 C61 R48 R47 R39 C47 R50 U14 U15 R42 R41 C58 C55 C59 R44 C49 U12 U13 C80 C79 C83 U16 R61 R58 C89 C85 C86 C87 C92 U17 CR9 CR7 CR10 RT2 TP3 DS5 DS2 DS1 R21 Y1 TB2 U11 TB1 1 J12 C62 J10 R55 C32 R74 R33 C77 C30 C39 C76 C10 C29 C28 C74 C27 C72 R71 C9 C46 C45 C70 R28 C25 R38 R37 C68 U9 C67 C66 C65 C7 R31 CR1...

Страница 77: ... be used to configure an RF power module for use as an IPA module in dual PA IPA V5 V3 5 transmitters only This jumper is factory set in the BIAS position shorting pins 1 and 2 and requires no adjustment in a V10 V7 5 transmitter The jumper is factory set in the DUAL IPA position shorting pins 2 and 3 for a dual PA IPA module in a V5 V3 5 transmitter If an RF power module is being used as a dual P...

Страница 78: ... them for a given menu 3 6 2 Main Screens The high level screens of the diagnostic display Figures 3 9 and 3 10 display Transmitter status bar Three user defined meter selections Meter selection scroll controlled by f and g pushbuttons Sub menu selections 3 6 2 1 Transmitter Status Bar The transmitter status bar is the information shown at the top of the GUI This information is present at all time...

Страница 79: ... Ext Analog Samples 3 6 11 Calibrate HD PA IPA Volts 3 6 12 1 Calibrate External Meter 3 6 12 2 Calibrate Meters 3 6 12 3 Setup Mode 3 6 12 4 Setup PA Bias 3 6 12 5 Setup Thresholds 3 6 12 6 System Configuration 3 6 12 7 Save Recall Factory Settings 3 6 12 8 Main Screen 3 6 2 Main Menu 3 6 2 Changeover 3 6 13 Status 3 6 3 Change Power Freq or Mode 3 6 4 Edit Preset 1 Edit Preset 6 Events Log 3 6 6...

Страница 80: ...een is the only way to activate a preset from the GUI Fwd Power 0 kW 0 6 00 Refld Power 0 W 0 600 PA VDC 0 V 0 60 0 Menu Status Changeover 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA Fwd Power 0 kW 0 6 00 Refld Power 0 W 0 600 PA VDC 0 V 0 60 0 Menu Status Changeover 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA Status NEW Exciter Comm Failed Acknowledge Reset Back 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA St...

Страница 81: ...s A and B for V10 transmitters A C E G and IPA modules A and B for V7 5 transmitters A D and the IPA module for V5 transmitters A C and the IPA module for V3 5 transmitters and cooling fan speed can be monitored as follows NOTE The Module Status menu is displayed for monitoring purposes only Module status cannot be altered from this menu a From the main menu highlight Module Status using f and g a...

Страница 82: ...se the events log e Press Back to return to previous screen 3 6 7 View Software Version a Press Back to return to previous screen Main Menu Power Control Module Status Events Log Software Version Meters Presets Clear Select Back 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA Main Menu Power Control Module Status Events Log Software Version Meters Presets Clear Select Back 11 26 98 10MHz 0 00kW 1 ExA IPAA...

Страница 83: ...een b Press Edit to select the parameter to edit and use f and g to scroll and select the parameter to be monitored in its place The parameter order will follow the default display order c Continue changing the main screen s displayed parameters by pressing Edit on the field to be changed Press Save to store the selection d Press Back to return to previous screen 3 6 9 Set Real Time Clock Default ...

Страница 84: ...nterface PWB see Table 3 8 Sample Out1 through 7 are factory configured and cannot be edited The user can configure Sample Out8 through 12 to monitor any metered parameter in the transmitter a From the main menu highlight Ext Analog Samples using f and g and press Select Main Menu Software Version Meter Presets Real Time Clock Ext Meter Contrast Ext Analog Samples Select Back 11 26 98 10MHz 0 00kW...

Страница 85: ...nged for troubleshooting or in the event that an out of tolerance condition occurs a From the main menu highlight Hardware Settings using f and g and press Select NOTE Hardware settings are established at Nautel during factory testing and recorded in the Critical Parameters sheet User adjustments which are not normally required should only be performed by trained personnel After pressing Continue ...

Страница 86: ...g s d Press Back to return to previous menu 3 6 12 3 Calibrate Meters Calibrate the level of a diagnostic display metered parameter as follows NOTE All meter readings displayed on the main screen can be adjusted Use reliable calibrated test equipment to verify the actual value of the out of tolerance parameter Record and store original and changed scale factors for future reference a Press f or g ...

Страница 87: ...hlight the desired preset Press Edit to view its thresholds see four screens below b Use f or g to highlight the preset level to be edited Press Edit NOTE Each of the six presets has a complete set of threshold settings Hardware Settings Calibrate HD PA IPA Volts Calibrate External Meter Calibrate Meters Setup Mode Setup PA Bias Enable Back 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA Hardware Settings...

Страница 88: ...98 10MHz 0 00kW 1 ExA IPAA A FanA Bottom of Screen System Configuration RF Modules Analog FM HD Bias FM HD ALC Limit 100 Exc Chgovr Dly FM 1 s Preset Synch Enable Edit Back 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA System Configuration RF Modules Analog FM HD Bias FM HD ALC Limit 100 Exc Chgovr Dly FM 1 s Preset Synch Enable Edit Back 11 26 98 10MHz 0 00kW 1 ExA IPAA A FanA E H or E G for V7 5 Rej P...

Страница 89: ...e on the network and the IP Address is set to 0 0 0 0 as shown b Press Edit on the highlighted address field to enable editing of the address Use f or g to move left to right through the address sections c Press Save when complete d Press Back to return to the main screen Save Factory Settings WARNING This will overwrite factory default settings with the current settings Do you wish to proceed Yes...

Страница 90: ...ent Main field between A or B see NOTE below Auto field between Y automatic changeover and N user selected changeover NOTE If Y yes is selected in the Standby field the Main and Auto fields can also be selected edited If N no is selected in the Standby field the Main and Auto fields cannot be selected edited The main exciter IPA V10 V7 5 only IPA PA V5 V3 5 only IPA PS V5 V3 5 only and Fan PS will...

Страница 91: ...uctions section and in particular the controls and indicators section NOTE The diagnostic display s main screen displays three pre determined parameters e g forward power PA voltage total PA current etc All transmitter parameters in combinations of three may be displayed on this screen See paragraph 3 6 8 4 3 FUNCTIONAL TESTS Successful completion of the following tests will verify the transmitter...

Страница 92: ...ctional test procedures a Verify nothing that would affect the RF power stage has been changed since the last time the initial start up procedure described in Section 2 of this manual was completed b Switch off ac power at the service entrance c Terminate the transmitter s RF output into a precision 50 Ω resistive dummy load that is able to accurately display the RF power applied to it WARNING If ...

Страница 93: ...5 Installation and Operation Manual Page 4 3 Section 4 Testing and Adjustment Issue 3 5 Figure 4 1 Optionally Duplicated Modules V5 V3 5 V5 shown for reference V10 V7 5 V10 shown for reference A3 A4 V5 V3 5 IPA MODULE ...

Страница 94: ...ted minimum and maximum operating power levels for the transmitter Use Table 1 1 to determine the power levels for a specific mode and transmitter 4 3 5 Remote Control Checks 4 3 5 1 Remote Control Prerequisites Complete the following for each check excluding the NxLink check in 4 3 5 10 a On the front panel verify the lamp in the Control Local switch is on indicating local control is selected b S...

Страница 95: ...minal TB1 14 will be a current sink to ground m Verify RF power stages can be turned off locally when remote control is selected Press the Control RF Off switch n Remotely turn on RF power stages by activating an input to remote interface PWB s RF ON terminal s TB4 2 TB4 3 4 3 5 3 Remote Selection of Active Exciter if applicable If the transmitter is configured for dual exciter operation verify ex...

Страница 96: ...F output as displayed by the RF KILOWATTS meter and GUI will momentarily go to 0 W and then return to rated power g The GUI will indicate that IPA A is active The remote interface PWB s IPA STATUS terminal TB1 16 will be an open collector For V10 V7 5 transmitters the IPA PS Status output J4 23 will also be an open collector 4 3 5 5 Remote Selection of Active IPA Power Supply if applicable For V5 ...

Страница 97: ...e transmitter The frequency and mode of the M50 preset must match the transmitter preset b Remotely select preset 2 by activating an input to remote interface PWB s Ext Preset 2 pin s J4 4 J4 5 c The RF output as displayed by the RF KILOWATTS meter and GUI will be the preset 2 power level d The GUI will indicate that the transmitter is operating in preset 2 The remote interface PWB s Preset 2 Stat...

Страница 98: ...Control Decrease switch The RF output will not change Release the Control Decrease switch NOTE To activate a remote power trim hold the input then release it The output power changes upon release of the trim input If the input is momentarily applied and released the output power changes in smaller steps in FM mode increment is 100 W V10 V7 5 or 50 W V5 V3 5 in FM HD or HD mode increment is 1 of ra...

Страница 99: ...web browser s address bar The transmitter s remote diagnostic web page should appear d Enter the user name root and the password nautel both lower case and verify you can access the application Log out of the application NOTE Paragraphs 4 3 6 through 4 3 6 4 reference rated minimum and maximum operating power levels for the transmitter Use Table 1 1 to determine the power levels for a specific mod...

Страница 100: ...ted when a main active exciter fault occurs as follows a Verify there are no existing alarms on the control display panel and that the transmitter is operating at rated power b From the GUI s changeover menu see 3 6 13 set the Exciter Standby option to Y yes c Unplug the ac cord at the rear of exciter A A14 A changeover to exciter B will occur The exciter alarm will turn on momentarily until the r...

Страница 101: ...outputs will be a current sink to ground Set the ON STANDBY switch of IPA A s switching power supply to on toggle up In the GUI s changeover menu set IPA B as the main IPA see 3 6 13 The alarms should clear d For V10 V7 5 transmitters only Set the ON STANDBY switch of IPA B s switching power supply U2 to standby toggle down A changeover to IPA module A and IPA PS B shall occur The system diagram I...

Страница 102: ...geover to IPA power supply module B will occur The system diagram Power Supply alarm will turn on momentarily the system diagram Changeover alarm will turn on and the GUI will note the IPA PS changeover alarm The remote interface PWB s CHGOV ALARM TB1 8 and PS Fail Alarm J6 2 outputs should be an alarm condition current sink to ground The remote interface PWB s IPA PS Status J4 23 outputs will be ...

Страница 103: ...lug P65 In the GUI s changeover menu set fan PS A as the main fan PS see 3 6 13 The Changeover alarm on the system diagram will turn off and the remote interface PWB s CHGOV ALARM output TB1 8 will be a non alarm condition open collector 4 3 7 Improving Reject Load Power If the reject load power levels on the diagnostic display exceed 100 W assuming low SWR try to reduce the reject load power by s...

Страница 104: ...until the configuration change is complete c Use the 3 16 inch hex wrench from the ancillary kit to disconnect the existing ac wires from terminals E1 through E4 as applicable of the ac distribution assembly Ensure the ac terminals do not turn during wire installation Retain any ferrite toroids used with the ac wiring d Reconfigure the ac distribution assembly by changing the necessary connector s...

Страница 105: ...ive cleaning than a site located in a clean area using closed air cooling At least twice a year inspect and if necessary replace the air filters using Nautel Part HAM65 or equivalent 3M Filtrete filter 1000 Microparticle Performance Rating MERV 11 NOTE Two types of air cooling are available for use with the transmitter open air and closed air Open air systems contain two V5 V3 5 or three V10 V7 5 ...

Страница 106: ...enance procedures consist of identifying and correcting defects or deficiencies that arise during operation of the transmitter Local remote alarm signals are generated when a malfunction occurs If the alarm condition is caused by a malfunction in the RF power stage the transmitter will attempt to remain on air at reduced RF power The nature of the fault and station policy dictates whether an immed...

Страница 107: ...ved on air if the standby IPA module is operational In dual IPA PA V5 V3 5 transmitters the transmitter will stay on air if the standby IPA PA is operational but the transmitter must be off air to service a defective IPA See 5 11 for IPA module replacement instructions In the event of a LVPS or fan supply module failure station policy will dictate when to replace the defective module A transmitter...

Страница 108: ...smitter When a lamp turns on red a fault is occurring The GUI s main screen has real time meter indications e g forward power to assist in fault analysis The GUI s main screen will indicate when a fault has occurred Status is displayed above the centre soft key a Determine the origin of the fault by noting which of the system diagram s lamps has turned on NOTE Alarms referenced in this section ass...

Страница 109: ...e the fault condition contact Nautel The troubleshooting of front panel alarms assumes that the transmitter was operating successfully before the alarm condition occurred The information in Table 5 2 is keyed to illuminated red front panel System Diagram alarm lamps Locate the offending alarm lamp s in Table 5 2 and then refer to the appropriate troubleshooting paragraph System Diagram LEDs Excite...

Страница 110: ...Low V5 V3 5 or IPA Q3 Fwd Low V10 V7 5 or IPA Q4 Fwd Low V10 V7 5 5 5 2 2 IPA Match V5 V3 5 or IPA Q3 Match V10 V7 5 or IPA Q4 Match V10 V7 5 5 5 2 3 IPA Refld High V5 V3 5 or IPA Q3 Refld High V10 V7 5 or IPA Q4 Refld High V10 V7 5 5 5 2 4 IPA Latch Off V5 V3 5 or Q3 Latch Off V10 V7 5 or Q4 Latch Off V10 V7 5 IPA related alarms 5 5 2 1 5 5 2 4 Module Fail A C V3 5 or Module Fail A D V5 or Module...

Страница 111: ... Tmp High V10 V5 or E F Rej Ld Tmp High V10 V7 5 or F G Rej Ld Tmp High V7 5 or G H Rej Ld Tmp High V10 5 5 3 10 Output Network Comb Top Fan Fail or Comb Bot Fan Fail 5 5 3 11 5 5 4 LVPS Fault 5 5 4 1 Low Voltage Power Supply Fan PS Fail 5 5 4 2 5 5 5 AC Mains Low AC Alarm 5 5 5 1 5 5 6 PS Fail A C V3 5 or PS Fail A D V5 or PS Fail A C E G V7 5 or PS Fail A H V10 or IPA PS Fail A or B 5 5 6 1 Powe...

Страница 112: ...if the input RF drive exciter power to the active IPA module PA falls below the preset level IPA Input Low threshold is user definable but is defaulted to 12 W for V10 V7 5 and 6 W for V5 V3 5 for analog configured systems or 6 W for V10 V7 5 and 3 W for V5 V3 5 for digitally configured systems operating in FM mode This may be a result of an exciter fault excessive load variation on the active exc...

Страница 113: ... related Refer to the exciter s manual for further troubleshooting information Possible Associated Faults IPA Input Pwr Low 5 5 1 2 IPA Input High An IPA Input Pwr High alarm although unlikely occurs if the input RF drive exciter power to the active IPA module exceeds the high RF drive threshold IPA Input High threshold is user definable but is defaulted to 38 W for V10 V7 5 or 19 W for V5 V3 5 in...

Страница 114: ... the fault has been cleared press the Reset button in the transmitters Status screen to restore operation Possible Associated Faults Exciter Fault 5 5 1 6 Mode Frequency Mismatch A Mode Freq Mismatch alarm occurs if the mode or frequency of the transmitter s active preset does not match 0 1 MHz for frequency the exciter s active preset M50 only The transmitter is latched off a Verify the active pr...

Страница 115: ...V5 W11 A W14 D and V3 5 W11 A W13 C For V7 5 V3 5 check cables between the IPA splitter assembly A21 or A22 as applicable and the RF termination assemblies A47 and A48 as applicable These cables include W14 and W18 as applicable Ensure all RF power modules are online and installed properly If an IPA PS Fail A or B alarm also occurred the fault is likely with the associated IPA switching power supp...

Страница 116: ...n aid in troubleshooting Refer to the paragraphs on those alarms for troubleshooting information If no other alarms are indicated the problem may be the detection circuitry on the control display PWB A43 NOTE If one of the RF power module input drive cables has open or short circuited the associated switching power supply will be inhibited due to low RF drive input level The associated Module Fail...

Страница 117: ... A H for V10 A C E G for V7 5 A D for V5 A C for V3 5 and associated switching power supply module PS Fail A H for V10 A C E G for V7 5 A D for V5 A C for V3 5 alarms will be on Check cables and connections between the IPA splitter assembly A21 or A22 as applicable and the applicable RF power module s interconnect PWB A23 A30 for V10 A23 A25 and A27 A29 for V7 5 A23 A26 for V5 A23 A25 for V3 5 The...

Страница 118: ...settings If all dipswitches are set properly the problem is likely related to the power module interface PWB A5 of the applicable module or with the control display PWB A43 5 5 2 5 2 High Module Temperature The temperature in an RF power or IPA module exceeds 100 C due to a failed fan or a blockage in the module s normal air flow The associated switching power supply module s will be inhibited the...

Страница 119: ...e power module interface PWB s PA failure detection circuitry Switch the applicable switching power supply to STANDBY toggle down The amber PA VOLTS LED on the front of the RF power module should turn off Pull the suspect module forward and remove it from the cabinet Visually inspect the suspect PA s output coaxial cable blind mate connectors for damage Check cables between the RF power module and...

Страница 120: ...ep a and the events in step b refer to the applicable paragraph 5 5 3 1 5 5 3 11 for probable cause and troubleshooting information 5 5 3 1 High Reflected Power A High Refld Pwr alarm occurs when the transmitter average reflected power exceeds the high SWR threshold 276 W for V10 207 W for V7 5 138 W for V5 or 103 W for V3 5 in FM mode 197 W for V10 147 W for V7 5 98 W for V5 or 73 W for V3 5 in F...

Страница 121: ...th the fault detection circuitry on the control display PWB A43 Possible Associated Faults SWR Shutback Cutback Level 1 7 5 5 3 4 SWR Shutdown An SWR Shutdown alarm occurs when the transmitter tries to reduce the forward power below 1630 W V10 1223 W V7 5 815 W V5 612 W V3 5 FM mode 1164 W V10 873 W V7 5 582 W V5 437 W V3 5 FM HD mode or 465 W V10 349 W V7 5 232 W V5 174 W V3 5 HD mode due to repe...

Страница 122: ...In V10 transmitters single IPA power amplifier failures A3 or A4 or phasing mismatches can cause high reject load power Once the High Rej Pwr alarm is active the transmitter will prepare to foldback the forward power if the reject power foldback threshold is exceeded Reject Power Foldback threshold is 500 W for FM or FM HD mode and 250 W for HD mode NOTE Each time the Reject Power Foldback thresho...

Страница 123: ...vents Log screens for additional alarms as an aid in troubleshooting Refer to the paragraphs for those alarms for more information If no other alarms are indicated check the detection circuitry on the control display PWB A43 NOTE High reject load temperature is usually the result of a combiner fan fail in conjunction with higher than normal reject load power or resistor ring dissipation These cond...

Страница 124: ...te restore these settings to their factory settings 5 5 4 1 LVPS Fault An LVPS Fault occurs if the LVPS modules U11 for single LVPS transmitters U11 and U12 for dual LVPS transmitters fail resulting in an out of tolerance dc power supply voltage s 5 V 15 V or 15 V Troubleshoot an LVPS Fault as follows NOTE In dual LVPS transmitters the LVPS modules A U11 and B U12 are connected in parallel not as ...

Страница 125: ... screws d Install operational fan PS module s and replace reconnect wiring Switch on the ac and press RF On e Adjust the replacement fan PS module s potentiometer one turn counter clockwise f Inhibit Fan PS changeover by setting Auto to N in the changeover menu Select the replacement module as the active Fan PS The transmitter should be inhibited g Adjust the replacement fan PS module s potentiome...

Страница 126: ... the next paragraph If transmitter operation is restored and the alarm lamp turns off the fault has been cleared 5 5 6 1 RF Power Module Power Supply Fail A PS Fail A H for V10 A C E G for V7 5 A D for V5 or A C for V3 5 or IPA PS Fail A or B alarm occurs if the output voltage of the switching power supply module V10 A U3 H U10 V7 5 A U3 C U5 E U7 G U9 V5 A U3 D U6 or V3 5 A U3 C U5 or the active ...

Страница 127: ...menu If a PS FAIL alarm occurs the fault is with the cabling associated with that cabinet position Possible Associated Alarms PS Fail A PS Fail D as applicable PS Fail E PS Fail H V10 V7 5 as applicable IPA PS Fail A or B 5 5 6 2 Backup Battery Low Alarm A Backup Battery Low alarm occurs if the battery voltage falls below an acceptable level or if there is a fault on the control display PWB A43 Tr...

Страница 128: ... V3 5 or Fan PS to match the current Active module indicated in the Status bar A or B 5 5 8 External Alarms 5 5 8 1 Interlock Open Alarm An Interlock Open alarm occurs if the transmitter interlock is open Check the interlock connection at remote interface PWB A44 TB1 1 and 2 If intact check all interlock switches Otherwise it may be a problem with the interlock circuitry for either the remote inte...

Страница 129: ... to reject load assembly A39 The bottom combiner fan B12 is attached to reject load assembly A40 a Disconnect the defective fan s plug P1 fans are B11 top and B12 bottom from the associated connector P85 B11 or P86 B12 Remove the two securing screws for the fan Phillips head Retain hardware and finger guard Install replacement fan and finger guard using hardware from step b NOTE Ensure that the fa...

Страница 130: ...the RF output power level is 0 W suspect either multiple defective RF power modules or a defective IPA module If the RF output level is 0 W additional active fault alarms event logs will normally indicate the nature of the failure The levels in Tables 5 3a through 5 3d are typical when operating into a VSWR of less than 1 05 1 with less than 35 C ambient temperature and good airflow with ALC off d...

Страница 131: ...PA Module Failures Removal Best Case Worst Case 1 PA 84 84 2 PAs 84 69 3 PAs 77 56 1 Module 69 69 2 Modules 45 25 Table 5 3c V5 Output Power Level vs Module Failure Removal RF Output Power of original RF output power PA Module Failures Removal Best Case Worst Case 1 PA 77 77 2 PAs 77 56 3 PAs 66 39 1 Module 56 56 2 Modules 25 10 Table 5 3d V3 5 Output Power Level vs Module Failure Removal RF Outpu...

Страница 132: ...ules A D V10 V5 or A C V7 5 V3 5 and the IPA module IPA module A for V10 V7 5 In V10 V7 5 transmitters the right hand column contains from top to bottom RF power modules E H V10 or E G V7 5 and IPA module B if applicable 5 9 REPLACING AN RF POWER MODULE Replace an RF power module as follows WARNING To prevent burns use extreme care when handling RF power modules The RF power module exterior can re...

Страница 133: ... PA VDC lamp should be on and the transmitter should resume operation at the desired operating level 5 10 IPA MODULE FAULT ISOLATION Determine if an IPA module V10 V7 5 or IPA PA V5 V3 5 is defective as follows NOTE For single IPA module PA transmitters an IPA module PA failure may take the transmitter off air in V10 V7 5 transmitters if only one PA A3 or A4 fails the transmitter will remain on ai...

Страница 134: ...cabinet e If an operational IPA module is available install it in the transmitter while the defective IPA module is being serviced see 5 11 3 Refer to the Repair manual to troubleshoot and or repair a defective IPA module NOTE If an operational RF power module is available or one has been removed from the transmitter temporarily it may be installed in the transmitter while the defective IPA module...

Страница 135: ...t to the IPA replacement module f Install the cover removed in step a 5 11 3 IPA Module Installation Install an operational IPA power module or IPA replacement RF power module in the transmitter as follows a Lift the operational replacement IPA power module into the transmitter and onto its support tray Ensure it is placed properly on its guide rails b With only a slight amount of force push the I...

Страница 136: ... 5 12 have been completed b Remove the top rear filter panel to gain access to the reject load modules Retain the securing hardware 12 V5 V3 5 or 14 V10 V7 5 M5 Phillips screws c Disconnect the applicable cooling fan plug B11P1 or B12P1 for the reject load module being removed from its source connector P85 or P86 respectively d Disconnect all coaxial cables from the reject load both sides as appli...

Страница 137: ...ies them to combiner A41A2 For V7 5 V3 5 reject load PWB A40A1 accepts two PA outputs of RF power module B and all PA outputs of RF power module C and applies them to combiner A41A2 For V10 transmitters reject load PWB A39A2 accepts all PA outputs of RF power modules E and F and applies them to combiner A41A3 For V7 5 transmitters reject load PWB A39A2 accepts all PA outputs of RF power module E a...

Страница 138: ...l cables and plugs have tags near their connectors indicating their designation and mating information Use these tags and the labels on the assembly as an aid to reinstall the connectors and coaxial cables removed in step 5 13 1 b b Turn ac on at the service entrance and restore the transmitter to operation 5 14 IPA SPLITTER ASSEMBLY FAULT If prior troubleshooting indicates that the IPA splitter a...

Страница 139: ...hoot or repair a defective IPA splitter assembly 5 14 2 IPA Splitter Assembly Installation Install an operational IPA splitter assembly in the transmitter as follows a Reverse the order of steps in paragraph 5 14 1 NOTE All coaxial cables and plugs have tags near their connectors indicating their designation and mating information Use these tags and the labels on the assembly as an aid to reinstal...

Страница 140: ...or differential input b Return the transmitter to on air operation 5 15 3 Interconnect PWB Replacement Verify paragraph 5 15 has been completed and then perform necessary adjustments as follows NOTE A special extraction tool is required to remove wires cables from the interconnect PWB connectors The spares kit if purchased contains a tool Nautel Part HAS69 Vendor DMC DRK38 for this purpose Contact...

Страница 141: ... FM mode only if further power reduction is necessary set the active preset s PA ALC to N see 3 6 4 and set the necessary number of switching power supply modules to STANDBY toggle down until the desired power is achieved NOTE For FM HD or HD mode if further power reduction is necessary contact Nautel b Perform antenna maintenance c When complete set the active preset s PA ALC to Y and switch all ...

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