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KHF 1050 SYSTEM INSTALLATION MANUAL

Page 2021

Revison 2

23-10-09

Apr/2006

5.C.(7)(c)

KRX 1053 Receiver/Exciter Connector

Figure 2011 - KRX 1053 Receiver/Exciter Connector (J10531) Pin Configuration

KRX 1053 CONNECTOR PIN DEFINITIONS

SIGNAL NAME

I/O

DESCRIPTION

PWR CONT RTN

POWER ON/OFF CONTROL RETURN

A615 DATA LDR INP#2(A)

(not used)

A615 DATA LDR OUT#2(A)

(not used)

SPARE

(not used)

SPARE

(not used)

SPARE

(not used)

SPARE

(not used)

HF CONT INP #2(A)

(not used)

HF CONT INP #1(A)

HF CONTROLLER INPUT #1(A)

SPARE

(not used)

RCB

CPLR RXD BUS -

BUFFERED KEY

BUFFERED KEY -

KEY EVENT

EXCTR TUNE REQUEST -

TUNE MODE

CONTINUOUS/BURST TUNING MODE

VO PTT H

VOICE PUSH-TO-TALK HIGH

SPARE

(not used)

Summary of Contents for KHF 1050

Page 1: ...SYSTEM INSTALLATION MANUAL KHF 1050 HF COMMUNICATION SYSTEM MANUAL NUMBER 006 10640 0002 Revision 2 April 2006 ...

Page 2: ...oneywell International Inc REPRODUCTION OF THIS PUBLICATION OR ANY PORTION THEREOF BY ANY MEANS WITHOUT THE EXPRESS WRITTEN PERMISSION OF HONEYWELL IS PROHIBITED FOR FURTHER INFORMATION CONTACT THE MANAGER TECHNICAL PUBLICATIONS HONEYWELL ONE TECHNOLOGY CENTER 23500 WEST 105th STREET OLATHE KS 66061 TELEPHONE 913 782 0400 ...

Page 3: ...09 Apr 2006 System Installation Manual P N 006 10640 0002 KHF 1050 HF Communication System Also known as Primus HF 1050 KAC 1052 Antenna Coupler KPA 1052 Power Amplifier KRX 1053 Receiver Exciter Compatible HF Control Units ...

Page 4: ...N T 2 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 5: ...n Added information about high voltage concerns Added description of high voltage cables Added PS440 lighting adjustment instructions Added dual system description and information Added KRX 1053 PN 064 01073 5101 Added controller feature descriptions Updated installation kit parts lists Added system failure indication descriptions Added system bench test harness drawing Added description of harnes...

Page 6: ...n RH 2 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 7: ...N KHF 1050 SYSTEM INSTALLATION MANUAL RECORD OF REVISIONS RR 1 Revison 2 23 10 09 Apr 2006 REV NO REVISION DATE DATE INSERTED BY REV NO REVISION DATE DATE INSERTED BY Complete through Revision 2 ...

Page 8: ...N KHF 1050 SYSTEM INSTALLATION MANUAL RECORD OF REVISIONS RR 2 Revison 2 23 10 09 Apr 2006 REV NO REVISION DATE DATE INSERTED BY REV NO REVISION DATE DATE INSERTED BY ...

Page 9: ...r 2006 INTRO 2 Blank Glossary G 1 Apr 2006 G 2 Apr 2006 Description and 1 Apr 2006 Operation 2 Apr 2006 3 Apr 2006 4 Apr 2006 5 Apr 2006 6 Apr 2006 7 Apr 2006 8 Apr 2006 9 Apr 2006 10 Apr 2006 11 Apr 2006 Description and 12 Apr 2006 Operation 13 Apr 2006 cont 14 Apr 2006 15 Apr 2006 16 Apr 2006 17 Apr 2006 18 Apr 2006 19 Apr 2006 20 Apr 2006 21 Apr 2006 22 Apr 2006 23 Apr 2006 24 Apr 2006 25 Apr 2...

Page 10: ...2006 2028 Apr 2006 2029 Apr 2006 2030 Apr 2006 2031 Apr 2006 2032 Apr 2006 2033 Apr 2006 2034 Apr 2006 2035 Apr 2006 2036 Apr 2006 2037 Apr 2006 2038 Apr 2006 2039 Apr 2006 2040 Apr 2006 Installation and 2041 Apr 2006 Maintenance 2042 Apr 2006 cont 2043 Apr 2006 2044 Apr 2006 2045 Apr 2006 2046 Apr 2006 2047 Apr 2006 2048 Apr 2006 2049 Apr 2006 2050 Apr 2006 2051 Apr 2006 2052 Apr 2006 2053 Apr 20...

Page 11: ...09 Apr 2006 Installation and F 2085 Apr 2006 Maintenance F 2086 Blank cont F 2087 Apr 2006 F 2088 Blank F 2089 Apr 2006 F 2090 Blank F 2091 Apr 2006 F 2092 Blank F 2093 Apr 2006 F 2094 Blank F 2095 Apr 2006 F 2096 Blank F 2097 Apr 2006 F 2098 Blank F 2099 Apr 2006 F 2100 Blank F 2101 Apr 2006 F 2102 Blank Environmental EA 1 Apr 2006 Qualification EA 2 Blank Appendix ...

Page 12: ...N KHF 1050 SYSTEM INSTALLATION MANUAL LIST OF EFFECTIVE PAGES SUBJECT PAGE DATE SUBJECT PAGE DATE F INDICATES FOLDOUT PAGES PRINT ONE SIDE ONLY LEP 4 Revison 2 23 10 09 Apr 2006 ...

Page 13: ...plifier Installation Kits 13 1 C 3 KRX 1053 Receiver Exciter Installation Kits 15 1 D Equipment Required But Not Supplied 16 1 E Optional non essential Aircraft Equipment 23 1 F Related Publications 24 2 Component Configurations 24 2 A KAC 1052 Antenna Coupler Configurations 24 2 B KPA 1052 Power Amplifier Configurations 24 2 C KRX 1053 Receiver Exciter Configurations 25 2 D PS440 Control Display ...

Page 14: ...t Signals 39 TESTING AND FAULT ISOLATION 1001 1 Fault Isolation 1001 2 System Performance Check 1001 2 A Preliminary Check 1002 2 B Failure Indications 1005 2 C Antenna Coupler Tune Fault 1006 2 D Receiver Performance Check 1006 2 E Transmitter Performance Check 1007 3 Fault Isolation Checklist 1009 4 Bench Test Harness Considerations 1010 INSTALLATION AND MAINTENANCE 2001 1 General Coverage 2001 ...

Page 15: ... Modem Audio Input High Low J10531 42 62 2037 5 F Discrete Inputs and Outputs 2037 5 F 1 Key Event J10531 13 KEY EVENT 2037 5 F 2 Maintenance Test J10531 78 MAINT TEST 2037 5 F 3 External Data Keyline HI J10531 38 EXT DATA KEYLINE H 2038 5 F 4 Voice Push To Talk HI J10531 16 VO PTT H 2038 5 F 5 Other Side PTT J10531 37 OTHER SIDE PTT 2038 5 F 6 Other Side On 2039 6 Equipment Installation 2039 6 A ...

Page 16: ...nstallation 2051 8 B 1 KPA 1052 Power Amplifier Removal 2051 8 B 2 KPA 1052 Power Amplifier Re installation 2051 8 C KRX 1053 Receiver Exciter Removal and Re installation 2052 8 C 1 KRX 1053 Receiver Exciter Removal 2052 8 C 2 KRX 1053 Receiver Exciter Re installation 2052 8 D Compatible Control Unit Removal and Re installation 2052 8 D 1 PS440 Removal and Re installation 2052 8 D 2 MC 850 Removal...

Page 17: ...09 Apr 2006 10 C 2 Installation Setup Parameters 2057 10 C 3 BITE Information 2057 10 C 4 Checking the Software Revision Level and Antenna Coupler Pressure 2058 10 C 5 Connection to a Personal Computer 2058 10 C 6 Installation Setup 2059 ENVIRONMENTAL QUALIFICATION APPENDIX EA 1 ...

Page 18: ...N KHF 1050 SYSTEM INSTALLATION MANUAL TABLE OF CONTENTS TOC 6 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 19: ...3 Receiver Exciter Connector J10531 Pin Configuration 2021 Figure 2012 PS440 Control Display Unit Connector J1 Pin Configuration 2026 Figure 2013 RM 855 RMU Connector 144J1 Pin Configuration 2029 Figure 2014 BNC Connector Assembly Procedure 2030 Figure 2015 Crimping and Insertion Extraction Tools 2031 Figure 2016 Crimping and Insertion Extraction Tools 2032 Figure 2017 HF Antenna Kit PN 071 01214 ...

Page 20: ...N KHF 1050 SYSTEM INSTALLATION MANUAL LIST OF FIGURES LOF 2 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 21: ...allation Kit connectors only 14 Table 17 KRX 1053 Installation Kit 15 Table 18 KRX 1053 Installation Kit tray only 15 Table 19 KRX 1053 Installation Kit connectors only 15 Table 20 PS 440 Connector Kit 15 Table 21 Long Wire Antenna Installation Kit 16 Table 22 Equipment Required But Not Supplied 19 Table 23 Related Publications 24 Table 24 KAC 1052 Configurations 24 Table 25 KPA 1052 Configuration...

Page 22: ...tor J10531 Pin Definitions 2025 Table 2004 PS440 CDU Connector J1 Pin Definitions 2028 Table 2005 RM 855 RMU Connector 144J1 Pin Definitions 2029 Table 2006 HF Antenna Kit PN 071 01214 0002 2046 Table 2007 Visual Inspection Procedure 2047 Table 2008 Typical HF Signal Propagation Distance 2049 Table 2009 Sidetone Audio Levels 2060 ...

Page 23: ... 1050 System 2 Layout of Manual Section 100 DESCRIPTION AND OPERATION Section 1000 TESTING AND FAULT ISOLATION Section 2000 INSTALLATION AND MAINTENANCE Refer to the TABLE OF CONTENTS for the location of applicable information Weights and measurements in the manual are in English units unless otherwise stated 3 Revision Service The manual will be revised as necessary to reflect current information...

Page 24: ...N KHF 1050 SYSTEM INSTALLATION MANUAL INTRO 2 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 25: ...tus of a function device CFR Clarifier CLK Clock COMP Compatible CPLR Coupler GND Ground HF High Frequency LCD Liquid Crystal Display LSB Lower Side Band MC 850 Multifunction Control and Display Unit MIC Microphone NVG Night Vision Goggles ORTHOGONAL Intersecting at right angles PA Power Amplifier PROC Processing Processor PEP Peak Envelope Power PTT Push To Talk PWR Power RC Reduced Carrier RCVR ...

Page 26: ...DETONE The small portion of the transmitter signal that is fed back to the receiver s audio circuit SIG Signal SQUELCH The ability to disable the demodulated output of a radio receiver until a preset level of RF input is received The level of received RF signal required to break squelch is determined by the squelch control setting SSB Single Side Band SYN Synthesize r Synchronize r TCXO Temperatur...

Page 27: ...e the PS440 also known as Gables G7511 refer to Figure 2 PS440 Control Display Unit Honeywell MC 850 Multifunction Control and Display Unit refer to Figure 3 MC 850 Multifunction Control and Display Unit MCDU and Honeywell RM 855 Radio Management Unit refer to Figure 4 RM 855 Radio Management Unit NOTE For complete installation information on the MC 850 MCDU refer to the MC 850 installation docume...

Page 28: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2 Revison 2 23 10 09 Apr 2006 Figure 2 PS440 Control Display Unit Figure 3 MC 850 Multifunction Control and Display Unit MCDU ...

Page 29: ...ANUAL Page 3 Revison 2 23 10 09 Apr 2006 Figure 4 RM 855 Radio Management Unit NOTE The KHF 1050 can also be controlled by other Honeywell EPIC systems such as the EASy System Consult the respective system manuals for more information ...

Page 30: ...hrough the KAC 1052 Antenna Coupler to the KRX 1053 Receiver Exciter via the KPA 1052 The KHF 1050 can be installed as a single or dual HF system A configuration is called a dual system when two KHF 1050 HF systems are installed in the same aircraft to share one antenna Both systems may receive simultaneously but only one system is chosen to transmit at any one time An auto select transmit scheme ...

Page 31: ...le for the KHF 1050 HF system to meet particular operational needs USB Voice upper sideband A3J and AME amplitude modulation equivalent A3H are standard modes of operation that should be enabled on all system configurations Less commonly used functionality such as LSB RC and Data modes are discussed in paragraph 3 B 1 Emission Modes Table 30 Modes of Operation lists the modes of operation applicab...

Page 32: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 6 Revison 2 23 10 09 Apr 2006 Figure 5 Typical System Block Diagram ...

Page 33: ...he coupler will retune when transmit is next initiated 1 B 2 KPA 1052 Power Amplifier P N 064 01072 0101 The KPA 1052 is an HF power amplifier From 2 0 to 29 9999 MHz the power amplifier is capable of linear amplification of a 0 dBm 1 mW signal to a 53 dBm 200 W output level at 50 ohms input and output impedance 1 B 3 KRX 1053 Receiver Exciter P N 064 01073 0101 5101 The KRX 1053 is an HF receiver...

Page 34: ...d from the MC 850 1 B 6 RM 855 Radio Management Unit P N 7013270 951 952 967 968 The RM 855 displays basic frequency and mode information Via the ARINC 429 bus it provides frequency channel transmitter power and squelch level selection The RM 855 does not support some of the features of the KHF 1050 Refer to Table 1 Honeywell Controller Features for limitations 1 B 7 Honeywell Controller Features ...

Page 35: ...els Total 6 6 6 User Programmable 5 0 5 Fixed 1 6 1 ITU Channels 246 246 246 Tuning Step Size Hz 100 1000 100 Squelch Types 4 1 4 Clarifier Function Yes No Yes Coupler Tune Status Indication Aural Tone Tone Tone Visual Annunc None Annunc Configurable Flagging 5 1 Configurable On Off Yes No Configurable Volume Control Yes No No Select Reduced Carrier Mode Yes No Yes Tandem Capable No Yes Yes ...

Page 36: ... KAC 1052 Single Vertical Installation Kit tray only P N 050 03658 0001 Table 4 KAC 1052 Single Vertical Install Kit connectors only P N 050 03658 0002 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U EA 1 030 01157 0011 SOCKET CRMP 20G EA 37 030 03517 0004 CONN D SUB RECPT CRIMP HOOD 37 POS EA 1 047 06261 0036 CNDCT STRIP 36 INCH EA 1 071 00200 0000 VERT TRAY ASSEMBLY KAC 1052 EA 1...

Page 37: ... Installation Kit tray only P N 050 03660 0001 Table 7 KAC 1052 Single Horizontal Installation Kit connectors only P N 050 03660 0002 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U EA 1 030 01157 0011 SOCKET CRMP 20G EA 37 030 03517 0004 CONN D SUB RECPT CRIMP HOOD 37 POS EA 1 047 06261 0036 CNDCT STRIP 36 INCH EA 1 047 12728 0001 KAC 1052 STRAP EA 1 071 00202 0000 HORIZ TRAY ASSE...

Page 38: ...61 0002 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U EA 2 030 01157 0011 SOCKET CRMP 20G EA 74 030 03517 0004 CONN D SUB RECPT CRIMP HOOD 37 POS EA 2 047 06261 0036 CNDCT STRIP 36 INCH EA 2 071 00200 0000 VERT TRAY ASSEMBLY KAC 1052 EA 2 Part Number Description UM Qty 071 00200 0000 VERT TRAY ASSEMBLY KAC 1052 EA 2 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U ...

Page 39: ... 030 01157 0011 SOCKET CRMP 20G EA 25 030 01466 0002 CONT COMBO D 40A PWR 8 AWG CRMP BAR EA 2 030 01497 0001 CONN D SUB CABLE CLAMP FOR METAL HOOD EA 1 030 03516 0001 CONN D SUB RECPT COMBO 27W2 CRiMP HC EA 1 071 00185 0000 TRAY ASSEMBLY EA 1 Part Number Description UM Qty 071 00185 0000 TRAY ASSEMBLY EA 1 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U EA 2 030 01157 0011 SOCKET C...

Page 40: ...rt Number Description UM Qty 030 00005 0000 CONN BNC UG 88C U EA 1 030 01157 0011 SOCKET CRMP 20G EA 37 030 03517 0004 CONN D SUB RECPT CRIMP HOOD 37 POS EA 1 047 06261 0036 CNDCT STRIP 36 INCH EA 1 071 00202 0001 HELICOPTER TRAY ASSEMBLY KAC 1052 EA 1 Part Number Description UM Qty 071 00202 0001 HELICOPTER TRAY ASSEMBLY KAC 1052 EA 1 Part Number Description UM Qty 030 00005 0000 CONN BNC UG 88C ...

Page 41: ...tion UM Qty 030 00005 0000 CONN BNC UG 88C U EA 1 030 01451 0000 CONTACT SOCKET SIZE 22 50 U IN AU EA 104 030 03518 0001 CONN D SUB RCPT HI DENS W HOOD 104 POS EA 1 071 00184 0000 TRAY ASSEMBLY EA 1 Part Number Description UM Qty 071 00184 0000 TRAY ASSEMBLY EA 1 Part Number Description UM Qty 030 00005 0000 CONN BNC UG88C U EA 1 030 01451 0000 CONTACT SOCKET SIZE 22 50 U IN AU EA 104 030 03518 00...

Page 42: ...ired But Not Supplied AIRCRAFT EQUIPMENT DESCRIPTION Power 28 Vdc Primary power source Lighting Bus 5 Vac 5 Vdc or 28 Vdc Panel lighting power source for control units according to version installed Microphone Noise cancelling 150 ohms nominal pre amplified Headphones Approx 600 ohms Selective Calling Decoder Required if SELCAL operation is desired Ground Strap 047 06261 0036 36 length Long Wire H...

Page 43: ... 0 090 inches Max Overall Diameter 16 45 ohms Max per 1000 feet 20 C 8 amps Max Cont Current Rating 5 amps Max Cont Current Rating AN 20 1 200 Nominal Circular Mil Area 0 100 inches Max Overall Diameter 10 25 ohms Max per 1000 feet 20 C 11 amps Max Cont Current Rating 7 5 amps Max Cont Current Rating AN 18 1 909 Nominal Circular Mil Area 0 115 inches Max Overall Diameter 6 44 ohms Max per 1000 fee...

Page 44: ...988 0015 Note Designed for single 1050 installations Length is 15 38 1 cm Both connectors are right angle with the same orientation Weight 0 7 lbs 155 02988 0121 Designed for single 1050 installations Length is 21 53 34 cm Both connectors are right angle 180 degree indexing one connector up one down Weight 0 8 lbs 155 02988 0217 Designed for single 1050 installations Length is 17 43 2 cm One conne...

Page 45: ... 5 39 4 cm Common leg is 6 15 24 cm Each separate leg is 9 22 9 cm All three connectors are straight An insulating cap is included to allow this cable to be used with one KHF 1050 system temporarily removed from the installation See Figure 1 Typical System Weight 1 2 lbs For use with antennas that do not exceed 2800 Vac peak HN Y Cable Assembly See Figure 8 High Voltage Dual Coupler Cables HN CAP ...

Page 46: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 20 Revison 2 23 10 09 Apr 2006 NOTE XX length in inches Figure 6 High Voltage Single Coupler Cable Assemblies ...

Page 47: ... SYSTEM INSTALLATION MANUAL Page 21 Revison 2 23 10 09 Apr 2006 Figure 7 Coupler Cable Typical Connector Dimensions Figure 8 High Voltage Dual Coupler Cables P N 155 03020 XXXX through 155 03024 XXXX Sheet 1 of 3 ...

Page 48: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 22 Revison 2 23 10 09 Apr 2006 Figure 8 High Voltage Dual Coupler Cables P N 155 03025 XXXX through 155 03029 XXXX Sheet 2 of 3 ...

Page 49: ...050 SYSTEM INSTALLATION MANUAL Page 23 Revison 2 23 10 09 Apr 2006 Figure 8 High Voltage Dual Coupler Cables Cable Series Matrix Table Sheet 3 of 3 1 E Optional non essential Aircraft Equipment Not applicable ...

Page 50: ...ons 2 B KPA 1052 Power Amplifier Configurations Table 25 KPA 1052 Configurations Part Number Description 006 18289 XXXX KHF 1050 PS440 Pilots Guide 006 15640 XXXX KAC 1052 Antenna Coupler Maintenance Manual 006 15641 XXXX KPA 1052 Power Amplifier Maintenance Manual 006 15642 XXXX KRX 1053 Receiver Exciter Maintenance Manual A09 3642 MC 850 Multifunction Control and Display Unit Maintenance Manual ...

Page 51: ... Configurations PART NUMBER VERSION DESCRIPTION 064 01073 0101 Receiver Exciter standard 064 01073 5101 Receiver Exciter customer specific HONEYWELL P N VERSION MFG P N BEZEL DISPLAY COLOR 071 01605 0101 G7511 01 Gray White 071 01605 0201 G7511 02 Black White 071 01605 1101 G7511 101 Gray Amber 071 01605 1201 G7511 102 Black Amber PART NUMBER VERSION USER 7025725 901 Hawker Horizon 7025725 910 Pla...

Page 52: ...be enabled on all system configurations Virtually all air traffic control communication is conducted in USB voice mode LSB lower sideband operation is not used by stations operating in the aviation services under FCC Part 87 USA regulations LSB may be enabled for use in regions or applications where its use is authorized AM or AME amplitude modulation equivalent may be used in some areas that lack...

Page 53: ...of 22 9999 MHz for certification in countries that may require such an upper frequency limit If using a PS440 controller both the KRX 1053 and the PS440 must be strapped for the 23 MHz limit MODE OF OPERATION DESIGNATOR CONTROL UNIT DESIGNATOR TECHNICAL ALTERNATE PS440 MC 850 RM 855 note 1 OLD NEW A3H H3E AME AM Equivalent AM AM AM A3A R3E AM Reduced Carrier RC RC A3J J3E USB Upper Sideband USB V ...

Page 54: ...e selected frequency which is entered directly on the control unit 3 B 5 Data Mode When the KRX 1053 Receiver Exciter is operating in the DATA mode interface with data modems or secure voice systems is enabled The external modem inputs and external modem outputs are available to bypass squelch and compression functions in the KRX 1053 These levels are controlled by field adjustments A 4 dB variati...

Page 55: ...ontal Outline and Mounting Figure 2024 KAC 1052 Antenna Coupler Single Vertical Outline and Mounting and Figure 2025 KAC 1052 Antenna Coupler Dual Vertical Outline and Mounting Dimensions Refer to Figure 2023 KAC 1052 Antenna Coupler Single Horizontal Outline and Mounting Figure 2024 KAC 1052 Antenna Coupler Single Vertical Outline and Mounting and Figure 2025 KAC 1052 Antenna Coupler Dual Vertica...

Page 56: ...tenna Typically leading edges of the vertical stabilizer 10 feet or longer Internal Protection High SWR due to change in antenna impedance will force a retune An internal bleeder resistor provides a static discharge path to ground Should the coupler not be able to tune the antenna at a given frequency a tune fault will result after the coupler has attempted different network configurations to tune...

Page 57: ... TX 27 5 Vdc at 13 A RMS AVG SSB TX 27 5 Vdc at 10 A RMS Connector Refer to Figure 2010 KPA 1052 Power Amplifier Connector J10524 Pin Configuration J10524 and Table 2002 KPA 1052 Power Amplifier Connector J10524 Pin Definitions Transmitter Input Impedance 50 ohms nominal Transmitter Input Level 0 dBm PEP nominal 5 dBm PEP max Transmitter Input Frequency 2 to 29 9999 MHz Transmitter Output Power In...

Page 58: ... Distortion 28 dB relative to mean power output 31 dB relative to PEP output Carrier and Noise Level J3E with 2 KHz Audio Modulation Not greater than 5 of 50 watts PEP Internal Protection Overtemperature Excessive SWR TSO Compliant to DO 163 E TSO C31d and E TSO C32d Also see ENVIRONMENTAL QUALIFICATION APPENDIX CHARACTERISTIC DESCRIPTION ...

Page 59: ...ance 50 ohms nominal Frequency Stability 20 Hz Clarifier Range 250 Hz Selectivity AM 5 5 KHz not more than 6 dB 20 0 KHz not less than 60 dB USB Voice f carrier 350 Hz to f carrier 2500 Hz not more than 6 dB f carrier 1500 Hz to f carrier 4500 Hz not less than 60 dB USB Data f carrier 300 Hz to f carrier 2500 Hz not more than 4 dB referenced to 1 KHz f carrier 1500 Hz to f carrier 4500 Hz not less...

Page 60: ... 24 Vrms to 2 45 Vrms External Modem Audio 0 775 VRMS 2 dB 0 dBm across 600 ohms Adjustable from 0 24 Vrms to 2 45 Vrms Audio Frequency Response Receiver Audio Sidetone 6 dB max from 350 Hz to 2500 Hz SELCAL 3 dB max from 300 Hz to 1500 Hz External Modem 4 dB max from 300 Hz to 2500 Hz Spurious Response 60 dB min Squelch Syllabic signal noise and signal level squelches available EXCITER Output Imp...

Page 61: ...iver input levels are specified in hard uV which includes a 6 dB attenuator between the signal generator and the receiver As such the voltage at the receiver terminals is one half the hard microvolts read on the signal generator 2 Internally generated receiver spurious responses may degrade sensitivity below those specified on a limited number of frequencies A sensitivity of less than 6 dB signal ...

Page 62: ...e mounting ears Temperature Range Operating Storage 20 to 70 C 55 to 85 C Power Requirements 28 Vdc at 7 Watts maximum Connector Refer to Figure 2012 PS440 Control Display Unit Connector J1 Pin Configuration J1 and Table 2004 PS440 CDU Connector J1 Pin Definitions TSO Information Compliant to DO 178B Level C Also see ENVIRONMENTAL QUALIFICATION APPENDIX CHARACTERISTIC DESCRIPTION Weight Refer to M...

Page 63: ...2 Antenna Coupler KPA 1052 Power Amplifier KRX 1053 Receiver Exciter Compatible Control Display Unit CDU The basic KHF 1050 HF system is a mobile communication system for aircraft It operates in a frequency range between 2 0 and 29 9999 MHz offering several different emission modes to provide voice communication CHARACTERISTIC DESCRIPTION Weight Refer to Figure 2022 RM 855 Radio Management Unit Ou...

Page 64: ...urn the KHF 1050 system ON whenever the Avionics Master switch is turned ON However it is preferable to provide a means of applying power to the KHF 1050 system so that the system can be turned OFF on flights when HF communications is not required 4 A 2 Channel Operation Refer to Pilots Guide P N 006 18289 0000 for PS440 CDU channel operation description Refer to Users Guide P N PS7032270 for MC 8...

Page 65: ...0000 for PS440 Control Display Unit operation 5 B MC 850 MCDU Function Refer to Users Guide P N PS7032270 for MC 850 MCDU operation 5 C RM 855 RMU Function Refer to Pilots Guide P N A48 1146 121 for RM 855 RMU operation 6 System Inputs Outputs 6 A Input Output Signals See Paragraph 5 C 8 Connectors in the INSTALLATION AND MAINTENANCE section of this book ...

Page 66: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 40 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 67: ...stem 2 System Performance Check The system check detects problems in the installation that may cause the HF system to fail to degrade performance or cause damage to the HF system such as Intermittent or improperly connected cables or connectors Defective units Poorly regulated aircraft DC power Poor grounding of KHF 1050 HF system or poor aircraft bonding Audio ground loops RF interference CAUTION...

Page 68: ...053 Receiver Exciter Built In Test The receiver exciter design incorporates provisions for monitoring its own operation to detect any condition or occurrence that the operator a flight crew member might observe and interpret as a reason for requesting a maintenance action These maintenance observations are stored in non volatile memory within the receiver exciter so they can be retrieved with appr...

Page 69: ...t of the power amplifier is too high The antenna coupler will try to retune to lower SWR during transmit mode PA Alarm 2 This alarm will be generated whenever an invalid band error request occurs a higher than normal SWR within the PA is generated a higher than normal output power occurs an over temperature condition exists or the PA has no output power This alarm inhibits all transmissions The BI...

Page 70: ...s serious enough to indicate Antenna Coupler failure the failure shall be communicated to the receiver exciter for reporting to the HF controller The BITE tests that are performed at system turn on at pilot activation or continuously are summarized in Table 1003 Antenna Coupler BITE Matrix Table 1003 Antenna Coupler BITE Matrix FUNCTION POWER ON PILOT CONT Load SWR PA ALM 1 During Tx Only X Temper...

Page 71: ...would appear on a PS440 controller are PANEL Control Panel Failure If there is a failure internal to the PS440 the bottom row on the display will show PANEL FAIL RXEX Receiver Exciter Failure This indicates a failure in the Receiver exciter or its interconnections a loss of DC power to the unit or a loss of communication between the KRX 1053 Receiver Exciter and the Controller FAIL PA Power Amplif...

Page 72: ... clear the tune fault either change the operating frequency or momentarily press the PTT It is advisable to try up to three tune attempts to tune the antenna to a particular frequency If repeated tune faults are observed refer to the Tuning Failure Section in Table 1004 Fault Isolation Checklist 2 D Receiver Performance Check 1 If an operating frequency is properly displayed on the controller list...

Page 73: ... OF AIRCRAFT HF ANTENNAS THE ENTIRE AIRFRAME BECOMES PART OF THE ANTENNA ANYONE STANDING ON THE GROUND COULD RECEIVE AN ELECTRICAL SHOCK IF TOUCHING THE AIRCRAFT OR IF ENTERING OR EXITING THE AIRCRAFT DURING A TRANSMISSION BY THE KHF 1050 SYSTEM DO NOT OPERATE THE HF SYSTEM WHILE THE AIRCRAFT IS BEING FUELED 2 Select a channel on which the aircraft is authorized to transmit with the appropriate mo...

Page 74: ...ing the microphone element with your hand Listen for any squeal or popping sound in the speaker or headphones A squeal or popping sound tends to indicate that a microphone ground loop exists Microphone ground loops will result in distorted audio Such a ground loop is usually the result of the microphone audio low line being tied to airframe ground at multiple points 5 Listen to the sidetone in the...

Page 75: ...nnected to the proper connectors Tuning Fault 1 2 3 4 5 6 Press the PTT switch once to clear the tune fault then press the PTT switch again to start another tune cycle Repeat Step 1 for up to a total of 3 tune cycles If unit fails to tune the antenna after 3 attempts select a different frequency and try to retune the antenna at the new frequency Turn the KHF 1050 system off and check the coaxial c...

Page 76: ...null modem cables may be purchased from computer supply sources Also see Figure 1001 KHF 1050 System Bench Test Harness Quantity Honeywell PN Description 1 050 03658 0002 KAC 1052 Single Vertical Installation Kit connectors only 1 050 03629 0002 KPA 1052 Installation Kit connectors only 1 050 03628 0002 KRX 1053 Installation Kit connectors only 1 050 03669 0000 PS440 Connector Kit Note 1 1 030 002...

Page 77: ...sed between the KRX 1053 and the PC See Figure 1002 PC Data Cable Connections Alternately a 9 pin male D connector can be installed in the harness to permit connection to KRX 1053 s RS 232 Maintenance lines This alternate approach allows the use of a common null modem cable 9 pin female to 9 pin female to be used between the PC and either the KAC 1052 or the KRX 1053 However with this alternate ap...

Page 78: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 1012 Revison 2 23 10 09 Apr 2006 Blank Page ...

Page 79: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 1013 1014 Revison 2 23 10 09 Apr 2006 Figure 1001 KHF 1050 System Bench Test Harness ...

Page 80: ...Blank Page ...

Page 81: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 1015 1016 Revison 2 23 10 09 Apr 2006 Figure 1002 PC Data Cable Connections ...

Page 82: ...Blank Page ...

Page 83: ...allation and maintenance information on the MC 850 MCDU refer to the MC 850 installation documentation pertinent to each specific application For installation and maintenance information on the RM 855 RMU refer to the Primus II SRZ 85X Integrated Radio System Operation and Installation Manual P N A15 3800 001 1 A Instructions for Continued Airworthiness The instructions for continued airworthiness...

Page 84: ...Refer to the Publication Index for a list of Service Bulletins affecting the various units in the KHF 1050 HF system 5 Installation Planning 5 A General Considerations General information for installation of the KHF 1050 HF system instructions for location of system components interwiring and cable fabrication and mode strapping options are provided in the following paragraphs Interconnect diagram...

Page 85: ...50 system is capable of generating only a specially fabricated Honeywell feedline may be used Refer to Paragraph 1 D Equipment Required But Not Supplied for appropriate part numbers The KAC 1052 must be mounted in a location that will allow it to be well bonded to the airframe See Paragraph 6 A Electrical Bonding Connections for bonding considerations For best reliability the KAC 1052 should be mo...

Page 86: ...anagement Unit Outline and Mounting for mounting dimensions Mounting of the CDU is not critical Whatever controller is used it should be mounted so that physically it is within comfortable reach and sight of the intended user 5 B 5 Antenna Location To minimize RF exposure of personnel install the antenna generally away from areas where people are located In situations where a person would be direc...

Page 87: ...ation of the aircraft 5 B 5 a V and Long Wire Antenna Mounting Location Because of their generally good performance consideration should be given to the use of V and long wire antennas on all installations except very high speed fixed wing aircraft and helicopters Wire antennas are not recommended for use on helicopters due to safety concerns in the event of an antenna wire breakage V and long wir...

Page 88: ...ed on an aircraft It is well suited for slow and moderate speed aircraft which require optimum HF communication and performance It will exhibit a rather omnidirectional radiation pattern and provide good efficiency at all frequencies It has the disadvantages of having high drag and on low wing aircraft is prone to being walked into The length of a wing tip V antenna is usually 30 to 45 feet 9 2 to...

Page 89: ... mounted in the aft position of the aircraft The inverted V antenna will produce maximum signal strength off the side of the aircraft and will produce a moderate amount of drag The vertical fin anchor should be located as high as possible on the vertical stabilizer The feedthru insulator should be located approximately 3 feet 0 9 m forward of the base of the vertical stabilizers and near the cente...

Page 90: ...wire antennas may be utilized on higher speed and or high altitude aircraft These short wire antennas have a minimum drag and do not develop as high of RF voltages as do the longer wire antennas making them suitable for operations up to 55 000 feet However the efficiency of the short antenna will be lower especially at the low frequencies Typical short wire antenna lengths are approximately 8 feet...

Page 91: ...s in the pattern This antenna will generally exhibit maximum radiation off the side of the aircraft Figure 2004 Typical Short Wire to Vertical Stabilizer Antenna 5 B 5 g Short Wire to Wing or Horizontal Stabilizer Antenna Mounting Location refer to Figure 2005 Typical Short Wire to Wing Antenna and Figure 2006 Typical Short Wire to Horizontal Stabilizer Antenna In installations where the short wir...

Page 92: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2010 Revison 2 23 10 09 Apr 2006 Figure 2005 Typical Short Wire to Wing Antenna Figure 2006 Typical Short Wire to Horizontal Stabilizer Antenna ...

Page 93: ...tennas are suitable for high altitude aircraft because they do not develop extremely high voltage but do develop extremely high RF current up to 50 amps 5 B 5 i Leading Edge of Vertical Stabilizer Antenna Mounting Location refer to Figure 2007 Typical Shunt Leading Edge Antenna A shunt antenna that is built into the leading edge of the vertical stabilizers has become popular on many jet aircraft S...

Page 94: ...he antenna as far off the airframe as possible 18 inches 0 46 m is preferred with spacing of 9 inches 23 cm or more being required The antenna diameter should be a minimum of 1 inch 2 54 cm and constructed out of a highly conductive material Copper or aluminum is generally used with silver plating being recommended Stainless steel should be avoided due to its high resistance This antenna should be...

Page 95: ...d against chafing Additional protection should also be provided in all locations where the cables may be subject to abuse In wire bundles the cabling should not be tied tightly together as this tends to increase the possibility of noise pickup and similar interference When routing cables through the airframe the cables should cross high level lines at a right angle The installer must be knowledgea...

Page 96: ...t connect to the center pin of P10528 on the KAC 1052 as well as the antenna itself can exhibit dangerous levels of RF voltage Any antenna components or feed line components that are exposed have the potential to develop corona at high altitudes or to arc to nearby objects Care should be taken to ensure proper safety measures are observed These measures include No person should be able to touch a ...

Page 97: ... Voltage Dual Coupler Cables for available configurations Special cables that do not fall into the numbering system of the 155 0302X XXXX series may be available in the 155 02989 XXXX series of Y cables Minimize the overall length of the feedline with the longest coupler to antenna path not to exceed 24 inches The best performance will typically be realized if the two legs of the Y cable that atta...

Page 98: ...rbraid A conductive overbraid is recommended over the sections of the wiring harness that are located in areas that are not inside a metal fuselage The primary purpose of this overbraid is to protect the wiring harness from RF radiation off the HF antenna The overbraid is to be of a type designed for RFI EMI protection and may be made of either tinned copper or aluminum Overbraid that is applied i...

Page 99: ...RN 2 PWR CONT RTN POWER ON OFF CONTROL RETURN 3 STRP A STRAP A 4 STRP COM STRAP COMMON 5 FG FRAME GROUND 6 RCA CPLR TXD BUS 7 CRA CPLR RXD BUS 8 BUS COM BUS COMMON 9 EXCTR INHB EXCTR INHIBITION 10 TUN FAIL TUNE FAIL 11 RC COM PHOTO COUPLER COMMON SOURCE 12 EXCTR TUN REQ EXCTR TUNE REQUEST 13 FG FRAME GROUND 14 APC H APC HIGH 15 PA INHB PA INHIBITION 16 PA SI PA SERIAL DATA 17 PA SCK PA SERIAL CLOC...

Page 100: ...B PHOTO COUPLER COMMON SOURCE 26 EXCTR COM EXCTR COMMON 27 MATCH ON MATCHING CIRCUIT ON 28 BRDG ON BRIDGING AMPLIFIER ON 29 CR COM PHOTO COUPLER COMMON SOURCE 30 BFRD KEY BUFFERED KEY 31 FG FRAME GROUND 32 CP COM PHOTO COUPLER COMMON SOURCE 33 PA BFRD KEY PA BUFFERED KEY 34 PA ALM 1 PA ALARM 1 35 PA ALM 2 PA ALARM 2 36 PC COM PHOTO COUPLER COMMON SOURCE 37 APC L APC LOW KAC 1052 CONNECTOR PIN DEFI...

Page 101: ...PTION A1 27 5V PRI PWR 27 5 VDC PRIMARY POWER A2 PRI PWR RTN PRIMARY POWER RETURN 1 GND GROUND 2 ANLG OUT2 ANALOG OUTPUT 2 3 MUX1 MULTIPLEXER 1 4 FG FRAME GROUND 5 PA SI PA SERIAL DATA 6 PA RCK PA SERIAL STROBE 7 PA ALM 1 PA ALARM 1 8 PA RST PA RESET 9 APC H APC HIGH 10 APCL APC LOW 11 PWR CONT RTN POWER ON OFF CONTROL RETURN 12 DISABLE APC ON OFF CONTROL OF APC 13 SP SPARE 14 ANLG OUT1 ANALOG OUT...

Page 102: ...524 Pin Definitions 17 CP COM PHOTO COUPLER COMMON SOURCE 18 PA SCK PA SERIAL CLOCK 19 PA INHB PA INHIBITION 20 PA ALM 2 PA ALARM 2 21 PC COM PHOTO COUPLER COMMON SOURCE 22 PA BFRD KEY PA BUFFERED KEY 23 PWR CONT POWER ON OFF CONTROL 24 FG FRAME GROUND 25 SP SPARE KPA 1052 CONNECTOR PIN DEFINITIONS PIN SIGNAL NAME DESCRIPTION ...

Page 103: ...R ON OFF CONTROL RETURN 2 A615 DATA LDR INP 2 A I not used 3 A615 DATA LDR OUT 2 A O not used 4 SPARE O not used 5 SPARE I not used 6 SPARE O not used 7 SPARE O not used 8 HF CONT INP 2 A I not used 9 HF CONT INP 1 A I HF CONTROLLER INPUT 1 A 10 SPARE not used 11 RCB O CPLR RXD BUS 12 BUFFERED KEY O BUFFERED KEY 13 KEY EVENT O KEY EVENT 14 EXCTR TUNE REQUEST I EXCTR TUNE REQUEST 15 TUNE MODE I CON...

Page 104: ...29 HF TUNE M STAT A O HF TUNING MODE STATUS A 30 HF CONT INP 1 B I HF CONTROLLER INPUT 1 B 31 SPARE not used 32 RCA O CPLR TXD BUS 33 TXD OUT O RS232 MAINT MODE TXD BUS OUT 34 MATCH ON O MATCHING CIRCUIT ON 35 RC COM PHOTO COUPLER COMMON SOURCE 36 STUCK MIC PTCT I STUCK MIC PROTECTION 37 OTHER SIDE PTT I OTHER SIDE PTT 38 EXT DATA KEYLINE H I EXTERNAL DATA KEYLINE HIGH 39 SPARE not used 40 RCV AUD...

Page 105: ... ON 55 EXCTR INHB I EXCTR INHIBITION 56 DATA XMT INHB I DATA TRANSMIT INHIBIT 57 CONT SEL I CONTROLLER SELECT 58 VO PTT L I VOICE PUSH TO TALK LOW 59 DATA CAPBLTY INSTL DATA CAPABILITY INSTALLED 60 SPARE not used 61 SELCAL AUD L O SELCAL AUDIO LOW 62 EXT MODEM AUD INP L I EXT MODEM AUDIO INPUT LOW 63 MIC AUD L I MIC AUDIO LOW 64 PRI PWR RTN I PRIMARY POWER RETURN 65 SPARE not used 66 DATA BUS SHLD...

Page 106: ... DATA KEYLINE L I EXTERNAL DATA KEYLINE LOW 81 SPARE I not used 82 RCV AUD SIDETN L O RECEIVE AUDIO SIDETONE LOW 83 ANLG SHLD GND GND ANALOG SHIELD GROUND 84 ANLG SHLD GND GND ANALOG SHIELD GROUND 85 PRI PWR RTN I PRIMARY POWER RETURN 86 DATA BUS SHLD GND GND DATA BUS SHIELD GROUND 87 DATA BUS SHLD GND GND DATA BUS SHIELD GROUND 88 DATA BUS SHLD GND GND DATA BUS SHIELD GROUND 89 DATA BUS SHLD GND ...

Page 107: ...95 BUS COM GND BUS COMMON 96 GND GND GND 97 EXCTR COM GND EXCITER COMMON 98 L SIDE I LEFT SIDE 99 GND GND DISCRETE SIGNAL GROUND 100 NAR W FREQ RNG I NARROW WIDE FREQ RANGE 101 FG GND FRAME GROUND 102 ANLG SHLD GND GND ANALOG SHIELD GROUND 103 ANLG SHLD GND GND ANALOG SHIELD GROUND 104 ANLG SHLD GND GND ANALOG SHIELD GROUND KRX 1053 CONNECTOR PIN DEFINITIONS PIN SIGNAL NAME I O DESCRIPTION ...

Page 108: ...ol Display Unit Connector Figure 2012 PS440 Control Display Unit Connector J1 Pin Configuration PS440 CONNECTOR PIN DEFINITIONS PIN FUNCTION A 28 VDC In B DC Ground C Chassis Ground D Spare E Reserved F Spare G Spare H Spare J Spare K Spare L Spare M AM Inhibit In N Spare P Freq Range In R Spare ...

Page 109: ...t A W Spare X Reserved Y 28 VDC Dimming Bus Z ARINC 429 In 1A a Test Out b Reserved c Spare d Spare e Spare f Spare g Spare h Spare i Spare j Spare k Spare m Reserved ALE Inhibit In n LSB Voice and Data Inhibit In p FCDE Enable In q Spare In r ARINC 429 Out B s Spare t Reserved PS440 CONNECTOR PIN DEFINITIONS PIN FUNCTION ...

Page 110: ...NC 429 In 1B v Spare w Spare x Spare y Spare z Spare AA HFDL Inhibit In BB SDI Config In CC Reduced Carrier Inhibit In DD 0 1 KHz Enable In EE Spare Out 1 FF Spare GG 5 VDC AC Lighting High HH Spare JJ Spare KK Spare LL Spare Out 2 MM HF Datalink Out NN Lighting Lo PP USB Data Inhibit In PS440 CONNECTOR PIN DEFINITIONS PIN FUNCTION ...

Page 111: ...144J1 Pin Definitions RM 855 CONNECTOR PIN DEFINITIONS PIN FUNCTION CONNECT TO BB STRAP OPEN DUAL HF INSTALLATION GROUND SINGLE HF INSTALLATION U STRAP COMMON BB b c d z AS REQUIRED KK 429 RX3 HF1 429 TX DUAL SYSTEM ONLY JJ 429 RX3 PP 429 RX4 HF2 429 TX DUAL SYSTEM ONLY NN 429 RX4 HH 429 RX1 RMU1 HF 429 RXA RMU2 HF 429 RXB EE 429 RX1 b Bit 0 GROUND TO U FOR LEFT SIDE c Bit 1 GROUND TO U FOR LEFT O...

Page 112: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2030 Revison 2 23 10 09 Apr 2006 5 C 7 g BNC Connector Assembly P N 030 00005 0001 Figure 2014 BNC Connector Assembly Procedure ...

Page 113: ...ools The crimping tools associated positioners insertion tools and extraction tools used during the fabrication of cables are identified in Figure 2015 Crimping and Insertion Extraction Tools and Figure 2016 Crimping and Insertion Extraction Tools Figure 2015 Crimping and Insertion Extraction Tools ...

Page 114: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2032 Revison 2 23 10 09 Apr 2006 Figure 2016 Crimping and Insertion Extraction Tools ...

Page 115: ...1 57 CONT SEL When set up to operate in the continuous TUNING MODE the CONTROLLER SELECT discrete determines which HF controller input is active The KRX 1053 Receiver Exciter accepts tuning and control data from the HF CONTROLLER INPUT 1 when the CONTROLLER SELECT and TUNING MODE discrete inputs are not asserted The KRX 1053 Receiver Exciter accepts tuning and control data from the HF CONTROLLER I...

Page 116: ...d grounded and the RIGHT SIDE discrete input is not asserted the KRX 1053 Receiver Exciter accepts ARINC 429 data in which the SDI field is set to 10B 00B or 11B SDI field 00B identifies an all call message and SDI field 11B identifies a tune both message Additionally the KRX 1053 Receiver Exciter sets the SDI field of all ARINC 429 transmitted messages to 01B bit 9 1 bit 10 0 This condition ident...

Page 117: ...ut Label 037 Word ID 1 Control Status word to logic 0 When the NARROW WIDE FREQ RANGE discrete input is not asserted the KRX 1053 Receiver Exciter operates over the full frequency range from 2 0000 MHz through 29 9999 MHz If the NARROW WIDE FREQ RANGE discrete input is asserted and the HF controller commands a transmit or receive frequency above 22 9999 MHz the receiver exciter will go to 22 999 M...

Page 118: ...ree ways It can be adjusted via the volume control on the ARINC 429 controller if the controller is equipped with volume control capability as is the PS440 It can also be adjusted by use of a service adjustment located on the top of the Receiver Exciter Refer to Paragraph 10 B Field Alignment for the location of this adjustment Accessing this adjustment requires removing the dust cover Finally the...

Page 119: ...53 Receiver Exciter presents a balanced floating 600 ohm load to this signal This input does not present direct current bias to the signal source There is no audio clipping or compression associated with this input at normal operating levels This input is factory adjusted so that 1 KHz modem input signal of 0 775 VRMS yields nominal Data USB output power from the KRX 1053 Receiver Exciter 5 F Disc...

Page 120: ...When the external resistance between the VOICE PUSH TO TALK HI and LO pins is ten ohms or less the KRX 1053 Receiver Exciter activates the transmitter and uses the audio at the MIC AUDIO INPUT as the modulation source The KRX 1053 Receiver Exciter interprets a resistance of 10 ohms or less between the VOICE PUSH TO TALK HI and LO pins as a command to transmit whether the LO pin is grounded or left...

Page 121: ...ite system the first system is set to operate as part of a dual system The result is that the receiving action always utilizes the bridging amplifier in the KAC 1052 When this input line is allowed to float to ground the system performs as a single system typically bypassing the bridging amplifier and receiving through the tuned matching network This input exists on Receiver Exciters with hardware...

Page 122: ...sion Prevention Techniques Because the mounting surfaces are an important part of the ground system bonding between these surfaces requires special attention NOTE All nonconductive finishes such as primer paint anodizing films or zinc chromate must be totally removed from the entire mating surface before assembly Techniques such as spot facing or cleaning only small area of the mating surfaces do ...

Page 123: ... wide Good RF bonding of the KAC 1052 Antenna Coupler to aircraft metal structure is basic in achieving maximum efficiency from the system and eliminating any possible interference to other systems in the aircraft See Paragraph 6 A Electrical Bonding Connections for bonding considerations 6 B 4 Procedure After a location has been selected mark the location of the four mounting screws Note Helicopt...

Page 124: ...er supply The unit must be connected to the aircraft power supply with a circuit breaker with not less than 30 Amp rating After a location has been selected mark the location of the four mounting screws Drill four 8 holes Mount the tray to the mounting surface with four each 8 32 fasteners and lock nuts Place the KPA 1052 Power Amplifier unit into the mounting tray and secure it in place with two ...

Page 125: ...he Primus II SRZ 85X Integrated Radio System Operation and Installation Manual P N A15 3800 001 6 E 2 PS440 Lighting Adjustments The PS 440 HF control panel is capable of dimming the display panel and annunciator lighting from either a 5 VAC 5 VDC or 28 VDC lighting bus source The dimming bus pins only sense the voltage being applied Minimal current is drawn from the dimming bus inputs All lightin...

Page 126: ...ion and a dim settings display shall be shown 3 Rotating the appropriate knob as described below shall display the corresponding information Large Knob LO L low setting for the LCD display lighting HI L high setting F0 L for adjusting how bright the FBAZ LCD brightness is LO P low setting for the panel lighting HI P high setting LO A low setting for the annunciator lighting HI A high setting F0 A ...

Page 127: ...s is required Particularly important is the bonding of the far end of the antenna in a grounded antenna configuration If using the KHF 1050 Antenna Kit P N 71 01214 0002 the ground plate associated with the 25ARM300 20E 30 feed through termination must be well bonded to the fuselage Similarly good grounding is also required if using the 15ARM300 21 grounded shackle Additionally it is important tha...

Page 128: ...the fuselage The 25ARM300 20E 30 feed through termination is to be used only in a grounded configuration Do not use this termination as an open ended insulator The following Dayton Grainger shackles tension units may be used in place of the 25ARM300 20E 30 to provide for alternate antenna configurations 15ARM300 21 grounded shackle 10ARM300 14CN ungrounded shackle 1 Vertical Fin Anchor Kit 4 Feed ...

Page 129: ...orrect Continuity of power pins is double checked 2 After system components are installed a visual inspection of the equipment and connections is made 3 The post installation test applies power to system components and checks out system functions 7 B 2 System Interwiring Check 7 B 2 a Check that all cables and interwiring are installed according to the interwiring and cable fabrication instruction...

Page 130: ...dure 7 B 4 Post Installation Test 7 B 4 a Perform the System Performance Check in the TESTING AND FAULT ISOLATION Section 7 B 4 b With the aircraft outside any hangar and at least 50 feet 15 m away from metal buildings establish communications with another HF station It is important that the frequencies selected be appropriate for the distance between the aircraft and the other station See Table 2...

Page 131: ...100 often unusable up to 400 3 4 up to 150 often unusable up to 800 4 4 up to 200 up to 1000 5 5 up to 300 100 to 1200 6 5 100 to 600 200 to 1500 8 8 200 to 800 400 to 1500 or greater 10 0 300 to 1000 500 to 1800 or greater 11 1 400 to 1200 600 to 1800 or greater 13 3 600 to 1500 or greater often unusable 17 9 700 to 1800 or greater often unusable 21 9 900 to 1800 or greater often unusable NOTE Th...

Page 132: ... SWR and RF power will vary The tuning sequence will stop when the antenna coupler finds an acceptable tune or determines a tune cannot be found Once the antenna coupler is tuned a forward power of typically 200 Watts Peak Envelope Power PEP will be observed on USB voice transmissions if the controller is set to MAX power It is important that the wattmeter be set to the peak reading mode for measu...

Page 133: ...2 Power Amplifier gently into the mounting rack Engage and tighten retaining screw clamps to secure unit Reconnect appropriate cables to connector J10521 Reconnect the coaxial cables to P10523 and P10528 Ensure that the orange rubber seal around the center pin of the coax plug is in place 8 B KPA 1052 Power Amplifier Removal and Re installation 8 B 1 KPA 1052 Power Amplifier Removal Detach cables ...

Page 134: ... D 1 PS440 Removal and Re installation 8 D 1 a Removal Loosen two Allen head screws that are recessed into the front bezel Pull the PS440 out of the instrument panel Remove locking devices at connector J1 Disconnect mating connector from connector J1 8 D 1 b Re installation Reconnect mating connector to connector J1 Secure locking devices at connector J1 Insert the PS440 into the instrument panel ...

Page 135: ...CAL Output 0 775 Vrms into 600 ohms If necessary these levels may be adjusted for compatibility with other aircraft systems To access the adjustments loosen the two Dzues fasteners on the top of the unit and remove the dust cover Refer to Figure 2019 KRX 1053 Adjustments for adjustment locations on the KRX 1053 Replace and secure the dust cover once the adjustment is complete 9 B System Protection...

Page 136: ...ld be performed 10 A 2 KAC 1052 Pressurization The RF matching networks in the KAC 1052 can develop RF voltages in excess of 3000 volts with some antennas at a 200 W power level Such high voltages could cause arcing internal to the antenna coupler in high altitude environments To prevent such arcing the KAC 1052 is normally pressurized with nitrogen On an annual basis the pressure of the KAC 1052 ...

Page 137: ...e serviced soon typically repressurized For example with a PS440 controller PRS W appears on the display when bit 15 is set and bit 28 is zero During the Coupler Pressure Warning the KHF 1050 system will continue to operate normally A Pressure Warning indicates that the antenna coupler may be approaching a Pressure Fault condition 10 A 4 KAC 1052 Pressure Faults In the event the pressure drops to ...

Page 138: ...ON MANUAL Page 2056 Revison 2 23 10 09 Apr 2006 10 B Field Alignment Figure 2019 KRX 1053 Adjustments identifies various adjustment locations and factory settings for the KRX 1053 Receiver Exciter Figure 2019 KRX 1053 Adjustments ...

Page 139: ...X 1053 To measure the pressure in the KAC 1052 Antenna Coupler 10 C 2 Installation Setup Parameters Four software adjustable parameters of the KRX 1053 are available for setup by the installer Stuck MIC Time Beep Control Sidetone Level Squelch Type More complete information on these setup parameters are described in Paragraph 10 C 6 Installation Setup To utilize these setup parameters the PC must ...

Page 140: ...h harness Honeywell recommends that a 033 00230 0000 connector be installed in the aircraft harness or test bench harness and that a 155 02794 0001 cable assembly be used between the KRX 1053 and the PC It is important to note that pin 78 on the KRX 1053 connector J10531 must be grounded to operate with the Maintenance Program with the KRX 1053 then ungrounded for normal radio operation The 155 02...

Page 141: ... HF controller for indication of a tune in progress or of a tune failure of the KAC 1052 When Beep Control is set to a value of 1 to 99 a constant tone will be heard in the headphones or speaker while the KAC 1052 is attempting to tune the antenna The tone will disappear when a successful tune is found In the event a tune fault is encountered the tone will become intermittent and beep at about a 1...

Page 142: ...ible adjustment levels are open meaning no squelch action OPN minimum MIN medium MED and maximum MAX SBL Syllabic Squelch Low This squelch is also a syllabic squelch and is intended for voice communications where the desired signal is very weak and noisy This squelch is more prone to opening on noise than the SBH squelch The possible adjustment levels are open OPN minimum MIN medium MED and maximu...

Page 143: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2061 Revison 2 23 10 09 Apr 2006 Figure 2020 PS440 Control Display Unit Outline and Mounting Sheet 1 of 2 ...

Page 144: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2062 Revison 2 23 10 09 Apr 2006 Figure 2020 PS440 Panel Cutout Dwg P N 155 06078 0000 ...

Page 145: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2063 Revison 2 23 10 09 Apr 2006 Figure 2021 MC 850 Multifunction Control and Display Unit Outline and Mounting Dwg P N 7025726 930 Sheet 1 of 3 ...

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Page 147: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2065 2066 Revison 2 23 10 09 Apr 2006 Figure 2021 MC 850 Multifunction Control Display Unit Outline and Mounting Dwg P N 7025726 930 Sheet 2 of 3 ...

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Page 149: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2067 Revison 2 23 10 09 Apr 2006 Figure 2021 MC 850 Multifunction Control and Display Unit Outline and Mounting Dwg P N 7025726 930 Sheet 3 of 3 ...

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Page 151: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2069 2070 Revison 2 23 10 09 Apr 2006 Figure 2022 RM 855 Radio Management Unit Outline and Mounting Dwg P N 7013270 sheet 1 of 2 ...

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Page 153: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2071 2072 Revison 2 23 10 09 Apr 2006 Figure 2022 RM 855 Radio Management Unit Outline and Mounting Dwg P N 7013270 sheet 2 of 2 ...

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Page 155: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2073 2074 Revison 2 23 10 09 Apr 2006 Figure 2023 KAC 1052 Antenna Coupler Single Horizontal Outline and Mounting Dwg P N 155 01774 0000 ...

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Page 157: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2075 2076 Revison 2 23 10 09 Apr 2006 Figure 2024 KAC 1052 Antenna Coupler Single Vertical Outline and Mounting Dwg P N 155 01772 0000 ...

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Page 159: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2077 2078 Revison 2 23 10 09 Apr 2006 Figure 2025 KAC 1052 Antenna Coupler Dual Vertical Outline and Mounting Dwg P N 155 01775 0000 ...

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Page 161: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2079 2080 Revison 2 23 10 09 Apr 2006 Figure 2026 KAC 1052 Antenna Coupler Helicopter Outline and Mounting Dwg P N 155 06072 0000 ...

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Page 163: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2081 2082 Revison 2 23 10 09 Apr 2006 Figure 2027 KPA 1052 Power Amplifier Outline and Mounting Dwg P N 155 01750 0000 ...

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Page 165: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2083 2084 Revison 2 23 10 09 Apr 2006 Figure 2028 KRX 1053 Receiver Exciter Outline and Mounting Dwg P N 155 01751 0000 ...

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Page 167: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2085 2086 Revison 2 23 10 09 Apr 2006 Figure 2029 KHF 1050 HF System Interconnect Dwg P N 155 01762 0000 Sheet 1 of 2 ...

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Page 169: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2087 2088 Revison 2 23 10 09 Apr 2006 Figure 2029 KHF 1050 HF System Interconnect Dwg P N 155 01762 0000 Sheet 2 of 2 ...

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Page 171: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2089 2090 Revison 2 23 10 09 Apr 2006 Figure 2030 KHF 1050 HF System Interconnect Dwg P N 155 01762 0010 Sheet 1 of 2 ...

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Page 173: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2091 2092 Revison 2 23 10 09 Apr 2006 Figure 2030 KHF 1050 HF System Interconnect Dwg P N 155 01762 0010 Sheet 2 of 2 ...

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Page 175: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2093 2094 Revison 2 23 10 09 Apr 2006 Figure 2031 KHF 1050 HF Dual System Interconnect Dwg P N 155 01762 0040 ...

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Page 177: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2095 2096 Revison 2 23 10 09 Apr 2006 Figure 2032 KHF 1050 HF Dual System Interconnect Dwg P N 155 01762 0030 Sheet 1 of 4 ...

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Page 179: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2097 2098 Revison 2 23 10 09 Apr 2006 Figure 2032 KHF 1050 HF Dual System Interconnect Dwg P N 155 01762 0030 Sheet 2 of 4 ...

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Page 181: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2099 2100 Revison 2 23 10 09 Apr 2006 Figure 2032 KHF 1050 HF Dual System Interconnect Dwg P N 155 01762 0030 Sheet 3 of 4 ...

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Page 183: ...N KHF 1050 SYSTEM INSTALLATION MANUAL Page 2101 2102 Revison 2 23 10 09 Apr 2006 Figure 2032 KHF 1050 HF Dual System Interconnect Dwg P N 155 01762 0030 Sheet 4 of 4 ...

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