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NiCom NT 150 Installation, Technical And Maintenance Manual

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NT 150 Technical and Maintenance Manual
TABLE OF CONTENTS
Transmitter General Description And Installation Procedures
Remote Control Feature
Programming the NT 150
Electrical & Mechanical Specifications
Front Panel Description
Rear Panel Description
150 W schematics and components list
CHAPTER 1
CHAPTER 2
CHAPTER 3
Page 1
NicomUsa Inc
Page 2
Page 3
Page 5
Page 10
Page 13
Page 14
Page 15

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Summary of Contents for NiCom NT 150

  • Page 1 NT 150 Technical and Maintenance Manual NicomUsa Inc TABLE OF CONTENTS CHAPTER 1 Transmitter General Description And Installation Procedures Page 2 Remote Control Feature Page 3 Programming the NT 150 Page 5 CHAPTER 2 Electrical & Mechanical Specifications Page 10...

  • Page 2: General Description

    NT 150 Transmitter Exciter INTRODUCTION The NT 150 FM Exciter is the latest in state of the art products available from Nicom. This Transmitter is designed with high reliability components and is intended to give many years of trouble free continuous service. This unit incorporates many features including a switching power supply and a PLL frequency synthesizer.

  • Page 3: Remote Control Feature

    NicomUsa Inc REMOTE CONTROL FEATURE The NT 150 is equipped with a 9 pin RS 232 connector that allows all the mains telemetry functions. The software is supplied with the unit and with this CD rom it's possible to monitor and to change the main parameters ot the NT 150 on the computer's screen.

  • Page 4: Running The Program

    NT 150 Technical and Maintenance Manual NicomUsa Inc RUNNING THE PROGRAM Once the program is running, from the main screen it is necessary to click the POWER ON button; the screen will light up and a message" COMMUNICATION IN PROGRESS" will appear.
  • Page 5 NT 150 PROGRAMMING Connect a 50 ohm load or 50 ohm antenna to the RF output, connect the equipment into a mains supply (100÷240 VAC). The equipment is factory pre-set to 50 W. Switch ON the power and the yellow V POWER LED will light.
  • Page 6 The default frequency is 98.000 MHz. To display the frequency push the SETTING key. In order to display the parameter push the SELECT key. Display Password The Password mode is factory set to enable, and is not possible change this setting. The default password is 1 2 3.

  • Page 7: New Password

    If the password is not correct an error is displayed: PROGRAM ERROR PASSWORD SETTING After a few seconds the display will show the parameters again. • When the password is correct, the display will show: PROGRAM NEW PASS . = SET. NEW FREQ .

  • Page 8: Error Confirmation

    Once the password is set, it must be remembered, otherwise neither the frequency nor the password can be reset and the unit will have to be returned to Nicom for resetting. Display Change of Frequency. • Press the PROGRAM key for 3 seconds and enter the correct password.
  • Page 9 When the new frequency is chosen, then press the SETTING key confirm it. After a “WAIT CYCLE”, the display will show the parameters: PROGRAM MOD > FRW 50W RFL 0.4W SETTING After 7 minutes the display light will switch off and the display will show: PROGRAM NICOM MHz 103.900 SETTING...

  • Page 10: Electrical Specifications

    NT 150 Technical and Maintenance Manual NicomUsa Inc CHAPTER 2 ELECTRICAL SPECIFICATIONS NT 150 TECHNICAL DATA Power output: 2 to 150 Watts continuously variable Frequency of operation: Sinthesized with TXCO crystal reference RF output connector/ Impedance: Type "N" Female / 50 Ohms ±...
  • Page 11 NT 150 Technical and Maintenance Manual NicomUsa Inc Ambient Temperature Range: 0° to 50° C (+32° to +122° F) Spurious and Harmonic or Subharmonic Emissions: < -80 dB or better Stereo Separation 55 dB @ 1 Khz COMPOSITE OPERATION Composite inputs...

  • Page 12: Mechanical Specifications

    NT 150 Technical and Maintenance Manual NicomUsa Inc MECHANICAL SPECIFICATIONS Chassis Dimensions: 88 mm (3.4") H 326 mm (12.83")D 445 mm (17.51) W Front panel dimensions: 483 mm (19") W 88 mm (3.4") H Ambient operating temperature: from 0 to + 50 C (+32 to +122 F) Humidity: 90% maximum, non condensing.
  • Page 13 N COM...
  • Page 14 RF OUTPUT REMOTE CONTROL S.N. INTERLOCK RS232 FUSE MONO 1GND SCA 2 SCA 3 SCA 1 MAINS 110-220VAC 1 - MAIN SUPPLY CONNECTOR 2 - AC FUSE 1A 3 - FAN 4 - DB 9 PIN INPUT / OUTPUT CONNECTOR FOR TELEMETRY ( opt.01 ) 5 - BNC FEMALE FOR CONNECTION OF THE INTERLOCK LOOP - A CONNECTION TO GROUND INHIBIT RF POWER 6-7-8- BNC FEMALES FOR SUBCARRIERS GENERATORS INPUTS...
  • Page 16 RF DRIVER RF AMPLIFIER LIMITER DIRECTIONAL RF OUTPUT COUPLER MONO AUDIO INPUT SIGNAL INTERFACE TCXO 12.8 RS232 DISPLAY NICOM POWER MICROCONTROLLER MHz 98.000 SUPPLY N COM Title FUNCTIONAL SCHEMATIC Size Document Number Mod. NT 150 Date: Friday, January 04, 2002 Sheet...
  • Page 17 RF INPUT +48V +24V POWER SUPPLY GND EARTH +48V DISPLAY CONTROL PANEL SW 2DEV NICOM MHz 98.000 LED & ADJ POWER DISPALY N COM ADJUST POWER Title GENERAL SCHEMATIC Size Document Number Mod. NT 150 Date: Friday, March 12, 2004 Sheet...
  • Page 18 TERM4 TERM5 FUSE A FUSE B TERM1 TERM6 0.8mH L IN L OUT 2.2nF / 350V 275V TERM2 GND HEART 1uF / 350V 275V 2.2nF / 350V 275V TERM3 TERM7 0.8mH N IN N OUT N COM Title EMC FILTER Size Document Number Mod.
  • Page 19 +24V +24V LED PW Power Supply Protection & Meter ADJ-A +15V PUSH ADJ-B +15V RF Driver ADJ-C +24V LED RF RJ45 +15V LED LOCK +15V LED PW +24V +24V POWER DJ2x5 -15V ADJ-A ADJ-A LED PW RF OUTPUT ADJ-B ADJ-B LED LOCK V-ADJ ADJ-C...
  • Page 20 STEREO 60pF OP275 OP275 MODULATION BF OUT LIMITER GND BF OUT SCA 1 470pF BAT43 BAT43 10pF GND SCA 1 +15V -15V 22pF SCA 2 1000MF / 35V 470pF GND SCA 2 SCA 3 100MF / 16V 470pF +15V GND SCA 3 10MF / 35V 220K R179...
  • Page 21 LCD1 DISPLAY V20350 11.0592MHz 10MF / 35V 0.1MF 33pF R55 10K VU Meter R56 10K R57 10K ADC0834 33pF R58 10K Forward PW MAX810L Reflected PW SDTA SCLK D[0:7] Vref OUT ADC_EN Vref IN Temperature AGND SARS DGND 22MF / 16V 0.1MF BC327 0.1MF...
  • Page 22 +15V N.C. 22uH N.C. UA7805 +24V V IN OUTPUT ON/OFF 1000MF / 35V 0.1MF 100MF / 35V 0.1MF 1000MF / 25V 100MF / 25V 47MF / 16V 0.1MF 0.1MF 47MF / 16V N.C. 0.1MF 22MF / 16V 0.1MF 150uH LM2575/S15 0.1MF 22MF / 16V 0.1MF...
  • Page 23 +24V +24V +15V +24V 10MF / 35V +15V +15V U12A 100K LM358 BC327 LED RF -15V -15V ADJ-A 0.1MF Rext 2 470MF / 35V 470MF / 35V ADJ-B RF ADJ. ADJ-C LL4148 BC337 DRIVER OFF LL4148 +24V Interlock BC327 BC337 0.1MF TIP41 2.2MF / 50V...
  • Page 24 R120 R121 47 +15V R122 UA7808 R123 47 C106 C107 C108 C110 C109 1000MF / 16V 2.2MF / 50V 2.2MF / 50V 0.1MF 1000MF / 16V R124 R125 C112 C111 0.1MF 10MF / 35V C113 0.1MF R126 R127 COAX1 RG178 J310 MV209 MV209...
  • Page 25 TCXO1 C126 C124 C125 C127 MHz 12.800 0.1MF 10MF / 35V 22MF / 16V 0.1MF +15V R135 R136 R137 BC327 R138 C128 22MF / 16V C129 LL4148 LMX1501 R139 R140 OSCin ØR U18A R141 R142 LM358 OSCout ØP V-VCO TEST Fref. C130 R144 R145...
  • Page 26 ADJ-POWER +15V C141 0.1MF C142 10MF / 35V R162 R163 R164 LL4148 DRIVER OFF R166 R165 C143 R167 0.1MF R168 R169 12 R172 10 R174 10 R176 12 18T/0.4D C145 C147 C146 R170 R171 C144 4.7nF 0.1MF 10MF / 35V R173 3T/.6D 3T/.6D...
  • Page 28 NICOM Rif. Value Remarks Description Code R182 470K 1/4W SMD Thick Film Resistor R183 1/4W SMD Thick Film Resistor R184 1/4W SMD Thick Film Resistor R185 100K 1/4W SMD Thick Film Resistor LL4148 SMD Low Power Signal Diode LL4148 SMD Low Power Signal Diode...
  • Page 29 NICOM Rif. Value Remarks Description Code 22MF / 16V SMD Aluminium Electrolytic Capacitor 100MF / 25V SMD Aluminium Electrolytic Capacitor 0.1MF SMD Multilayer Ceramic Capacitor 0.1MF SMD Multilayer Ceramic Capacitor 1MF / 16V SMD Aluminium Electrolytic Capacitor 0.1MF SMD Multilayer Ceramic Capacitor...
  • Page 30 NICOM Rif. Value Remarks Description Code C103 2.2MF / 50V SMD Aluminium Electrolytic Capacitor C104 10MF / 35V SMD Aluminium Electrolytic Capacitor C105 0.1MF SMD Multilayer Ceramic Capacitor C106 1000MF / 16V Aluminium Electrolytic Capacitor C107 2.2MF / 50V SMD Aluminium Electrolytic Capacitor C108 2.2MF / 50V...
  • Page 31 NICOM Rif. Value Remarks Description Code C156 C157 22pF SMD Multilayer Ceramic Capacitor C158 22pF SMD Multilayer Ceramic Capacitor C159 0.1MF SMD Multilayer Ceramic Capacitor C160 SMD Multilayer Ceramic Capacitor 22uH SMD Inductor 22uH SMD Inductor 22uH SMD Inductor 22uH...
  • Page 32 NICOM Rif. Value Remarks Description Code 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 220K 1/4W SMD Thick Film Resistor 100K 1/4W SMD Thick Film Resistor 1/4W Multi Turn Cermet Trimmer Resistor Panel Mount 1/4W SMD Thick Film Resistor...
  • Page 33 NICOM Rif. Value Remarks Description Code 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor 1/4W SMD Thick Film Resistor...
  • Page 34 NICOM Rif. Value Remarks Description Code R129 1/4W SMD Thick Film Resistor R130 1/4W SMD Thick Film Resistor R131 1/4W SMD Thick Film Resistor R132 1/4W SMD Thick Film Resistor R133 470K 1/4W SMD Thick Film Resistor R134 1/4W SMD Thick Film Resistor...
  • Page 35 NICOM Rif. Value Remarks Description Code R182 470K 1/4W SMD Thick Film Resistor R183 1/4W SMD Thick Film Resistor R184 1/4W SMD Thick Film Resistor R185 100K 1/4W SMD Thick Film Resistor LL4148 SMD Low Power Signal Diode LL4148 SMD Low Power Signal Diode...
  • Page 36 NICOM Rif. Value Remarks Description Code OP275 Operational Amplifier LM358 Operational Amplifier LF353 Operational Amplifier ADC0834 A/D Converter MAX810L Special Function Integrated Circuit T89C51RD2 Microcontroller MAX232 Special Function Integrated Circuit N.C. MC78M05CDT Fixed Voltage Regulator LM2575/S15 Operational Amplifier MC79M05CDT Fixed Voltage Regulator...
  • Page 37 ADJ-FM/ADJ-TX +15V 0-FM +24V RJ45 ENABLE LOCK PLL 0-FM 0-FM N COM Title Frontal Panel Size Document Number Mod. MIFP01 Date: Thursday, October 23, 2003 Sheet...
  • Page 40 NICOM Part List Schematic : MIFP01 Rif. Value Remarks Description Code N.C. N.C. N.C. N.C. N.C. N.C. 1/4W Carbon Film Resistor N.C. 1/4W Carbon Film Resistor 1/4W Carbon Film Resistor 1/4W Carbon Film Resistor 1/4W Multi Turn Cermet Trimmer Resistor Panel Mount...
  • Page 41 SELECT DJ3-NEW N COM Title Push Button Size Document Number Mod . 2PULS1 Date: Monday, March 08, 2004 Sheet...
  • Page 43 NICOM Part List Schematic : Push Button Rif. Value Remarks Description Code Push Button Switcher Push Button Switcher 3 PIN PCB Pin Strip Header...
  • Page 44 RF MODULE 150W RF FILTER & Power Meter RF INPUT RF INPUT COAX1 RG303 0.5T/10D/1.5W +48V TERM1 RF OUTPUT +48V RF OUTPUT RF INPUT RF OUPUT GATES TERM2 GATE -12V TERM3 -12V 4.7uH TEMPERATURE TERM4 LM335 N COM Title RF AMPLIFIER 150W Size Document Number Mod.
  • Page 45 +48V 3K3 / 3W 100MF / 63V 10MF / 100V 2.2nF 10MF / 100V RF-CHOKE 10nF 2.2nF / 4KV 4.7nF 470pF 470pF 4.7nF 10nF 1N4148 100K 470pF 100pF 470pF 2.5T/4D/0.8W RF OUTPUT RF INPUT BLF278 22pF 22pF 10 / 1W 470pF 4.7nF 470pF...
  • Page 46 10pF 22pF 10pF 22pF Power Meter 10pF RF INPUT 2T/7D/1.5W 3.5T/7D/1.5W 3.5T/7D/1.5W 3.5T/7D/1.5W RF OUPUT RF IN RF OUT 10pF 39pF 27pF 27pF 27pF 27pF 27pF N COM Title RF Filter + Power Meter Size Document Number Mod. Filter150W03 Date: Friday, March 12, 2004 Sheet...
  • Page 47 RF IN RF OUT 8.6pF 6.8pF 4.7uH 22pF 150 / 2W 150 / 2W BAT43 BAT43 Forward Power Reflected Power 10nF 10nF N COM Title Forward and Reflected Power Meter Size Document Number Mod. Power-Meter 03 Date: Friday, March 12, 2004 Sheet...
  • Page 50 NICOM Part List Schematic : RF AMP 150W Rif. Value Remarks Description Code Ceramic Lead Through Capacitor Ceramic Lead Through Capacitor Ceramic Lead Through Capacitor Ceramic Lead Through Capacitor Ceramic Disc Capacitor Ceramic Disc Capacitor 100MF Aluminium Electrolytic Capacitor 10MF...
  • Page 51 NICOM Rif. Value Remarks Description Code 22pF Trimmer Polyethylene Film Capacitor 10nF Ceramic Disc Capacitor NPO Ceramic Disc Capacitor NPO Ceramic Disc Capacitor NPO 10nF Ceramic Disc Capacitor NPO 0.5T/10D/1.5W Tinned Copper Wire 4.7uH Ferrite Drum Cored Inductor RF-CHOKE Suppression Choke 2.5T/4D/0.8W...
  • Page 52 NICOM Rif. Value Remarks Description Code RF Transformer RF Transformer RF Transformer RF Transformer RF Transformer RF Transformer BNC Bulkhead Connector - 50 Ohm N Panel Connector - 50 Ohm COAX1 RG303 Coaxial Cable - RG303...