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OM POWER OM4001HF, Manual

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Select the Firmware tab and click on the
LOAD BIN button.

Choose OM4001HF Vxxx.bin file in the
OM4001HF folder.

Switch ON the power amplifier using the
front panel green ON switch.

Press INFO to enter the INFO Menu.

Press UPGRADE to start the Amplifier
upgrade process..

When you see this screen on the PA, go to
the PC and the PIC Loader software and
press button the SEND TO LINE button.

Type of supported TCVR and working

frequency are visible on the display.

AUTO LED is ON.

Type of supported TCVR and working

frequency are visible on the display.

AUTO LED is ON.

Type of supported TCVR and

working

frequency are visible on the display.

AUTO LED is ON.

Type of supported TCVR and

working

frequency are visible on the display.

AUTO LED is ON.

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Summary of Contents for OM4001HF

Page 1: ...1 MADE IN SLOVAKIA e mail om power om power com WWW OM POWER COM OM Power s r o 93030 B 126 SLOVAKIA Contact 421 905 321 410 e mail om power om power com OM4001HF SHORTWAVE POWER AMPLIFIER...

Page 2: ...CRIPTION 7 3 1 HF Compartment 7 3 2 Power Supply 8 3 3 Safety Devices 9 4 INSTALLATION 9 4 1 Grounding 10 4 2 Coaxial Cable 10 4 3 Control Cable 11 4 4 Cooling 11 5 OPERATION 12 5 1 OM4001HF Front Pan...

Page 3: ...24 7 APPENDIX 25 7 1 Primary AC selection 25 7 2 OM4001HF firmware upgrade 26 7 3 Control panel connectors pin out 29 7 4 Block Diagram of the OM4001HF Power Amplifier 30 7 5 Troubleshooting 31 7 6 Fa...

Page 4: ...s Input Power Usually 40 to 60W for full Output Power Input Impedance 50 Ohm VSWR 1 5 1 Power Gain 17 dB Output Impedance 50 Ohm unbalanced Maximum Output SWR 3 1 SWR protection Automatic switching to...

Page 5: ...e protection switch on blocking at opened amplifier 1 2 3 Features The manufacturer implemented some of the company s newest development results with most wanted operating and safety features into thi...

Page 6: ...O SHORT OR BYPASS safety switch under upper lid The OM4001HF amplifier should not be used in a WET or HUMID environment or be exposed to RAINFALL Do not turn the amplifier ON without having connected...

Page 7: ...stallation and operation to avoid damage to the amplifier not covered by manufacturer s warranty Do not attempt to perform any change of hardware or software 3 GENERAL DESCRIPTION 3 1 HF Compartment h...

Page 8: ...ut Pi L Circuit Tuning Capacitor Front Subpanel Power Supply Board 3 2 Power Supply This Power amplifier uses two 3 KVA toroidal transformer A soft start is provided using relays and resistors placed...

Page 9: ...former tap before first starting the PA See part 7 1 for more information Other primary voltage is possible on request for example 200V 50 60 Hz for Japan 3 3 Safety Devices Control and monitoring cir...

Page 10: ...With poor grounding you may risk damaging your equipment have problems with TVI BCI or possible distortion of your transmitted signal 4 2 Coaxial Cable The output of the transceiver is to be connecte...

Page 11: ...ssible to adjust TX delay in your TCVR set the delay to 15ms please The amplifier is equipped with safety devices which ensure that the output relay is not switched under power mistakenly hot switchin...

Page 12: ...in damage to the high voltage circuits We do not recommend changing antennas during a transmission Hot switching When you decide to have a short operating break We recommend placing the amplifier to...

Page 13: ...still OFF INFO Information display shows basic information about the PA serial number software version time ON tube serial number and nominal Main voltage The information screen also provides an over...

Page 14: ...active press EXIT to go back to the home screen The Tube Heating Timer is visible on the display Wait until the required 180 seconds is complete before placing the amplifier in OPERATE Mode After heat...

Page 15: ...g SETTING displays this screen Scrol by UP DOWN to DISPLAY SETTING and press SET Next SETTINGS position is for display parameters First choose the background color Scroll on it and choose the color le...

Page 16: ...N OFF and for EBS level selection We recommend EBS ON See next comment for more details Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type of supported TCVR an...

Page 17: ...yllables can be cut off In such a case you should turn OFF the EBS In the next line you can define working mode of the blower In the first mode speed depends on the PA temperature TEMP In PTT mode the...

Page 18: ...his manually too Scroll to SET EBS1 MANUAL and press SET Use up down buttons to set 20mA or as close as possible value and press SAVE Similar ways EBS2 can be preprogrammed 300mA by AUTO set Or anothe...

Page 19: ...the SWR protection We recommend to set it ON SWR protection circuit will stay active max allowed SWR is 3 1 If OFF is selected higher SWR is allowed but reflected power is measured If it exceeds 350W...

Page 20: ...try to press PTT foot switch for example We are now in TRANSMIT mode without RF Note the new TRANSMIT light indicator on the touch screen NOTE The OM4001HF is tested at factory at a maximum output pow...

Page 21: ...t exceeds 60mA adjust the LOAD knob to decrease Screen current to about 0 mA Readjust TUNE for maximum FORWARD POWER Increase the PA input power until you reach the desired maximum output power Keep w...

Page 22: ...ill react immediately There are several types of warning or fault messages that may appear on the display when any of the protection circuits are activated The OM4001HF power amplifier provides the fo...

Page 23: ...u can view them on the menu display If the error memory is full every new message will delete the oldest one in the stack It means that every only the last 20 messages are visible on the display This...

Page 24: ...ly circuits Fuse F 4A 6 3 Tube Replacement In the case of a damaged vacuum tube contact the manufacturer or your dealer for ordering a new one We will provide instructuions for replacing the tube Repl...

Page 25: ...etwork Side view on the opened OM4001HF HV supply board AC Selector SW ON board HV Transformers Remove the upper lid first On the right side of the PA there are two PCBs mounted On the right upper sid...

Page 26: ...ng the transformer 7 2 OM4001HF firmware upgrade Download the firmware upgrade software and latest firmware file for the OM4001HF from the official OM Power website http www om power com downloads Sto...

Page 27: ...s When you see this screen on the PA go to the PC and the PIC Loader software and press button the SEND TO LINE button Type of supported TCVR and working frequency are visible on the display AUTO LED...

Page 28: ...disappears At the end you will return to the main screen of OM4001HF Switch PA OFF disconnect the PC serial cable and you are ready to use the OM4001HF with the new firmware Type of supported TCVR an...

Page 29: ...9 female RS232 connection to the computer For UPRADE firmware communication connect pin 2 TX D pin 3 RX D and pin 5 GROUND KEY IN RCA connector Input signal PTT switching voltage current 5V 2mA KEY O...

Page 30: ...Y J4 J3 J2 J14 J10 J9 KEY IN KEY OUT LOAD TUNE J12 Ext bl K2 K3 Kl 8 Kl 7 K1 Kl 3 Kl 4 Kl 2 Kl 1 K1 J5 J8 TR2 TR1 AC24V AC2 AC1 J9 J6 J1 Cover SW OM 4001HF Block diagram Fuse Blower SW ON BOARD HV SUP...

Page 31: ...n antenna with higher SWR this SWR protection can be switched off page 19 But reflected power will stay checked max 350W Power In is too high Reduce input power Check amplifier tuning PA input is too...

Page 32: ...activated and the PA is automatically switched OFF Check HV circuits blocking capacitors and the tube itself Heating voltage error Set up proper transformer voltage selector This error is usually due...

Page 33: ...he following display appears If you are sure you want a full factory reset press YES After the FACTORY RESET completes the PA is ready for operation Important notice Perform a Factory Reset only if ab...

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