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User's Manual | ACOM 1010 | HF Linear Amplifier  

 

July 2021 

S e c t i o n   MAINTENANCE  |  Page  29 of 40 

 

•

 

2 A, 250V, e.g.: 

-

 

EATON Bussmann, PN: S505-2-R (ceramic body cartridge); 

-

 

Littelfuse, PN: 0218002 (glass body cartridge); 

•

 

5 A, 250 V, e.g.: 

-

 

EATON Bussmann, PN: S505-5-R (ceramic body cartridge); 

-

 

Littelfuse, PN: 0218005 (glass body cartridge). 

 
 

 

WARNING 

Do not replace fuses located inside the amplifier. 

Blown  internal  fuses  can  be  a  symptom  of  a  more  serious  problem,  which  should  be 
resolved  beforehand.  A  fault  of  this  type  will  not  occur  under  normal  operating 
circumstances. 

Replacing internal fuses is a complex and potentially dangerous operation.  
For  this  reason,  we  recommend  this  work  be  carried  out  only  by  a  trained  service 
technician. 

Contact your ACOM dealer for assistance (see Section 

1.2 Owner Assistance

). 

 
 

Unauthorized replacement of inside fuses infringes the warranty conditions! 
 

 

 

 

Besides  specific  national  standards,  the  principal  fuses  standard  applied  worldwide  is 
IEC 60127. 

 
 

5.4.

 

Tube Replacement 

 
A single 4CX800A (GU74B) high-performance ceramic-metal tetrode manufactured by Svetlana is employed 
in the amplifier.  

 
 

 

DANGER 

Tube  replacement  is  a  complex  and  potentially  dangerous  operation  that  involves 
adjustment of the plate idling current and is Life-threatening! 
For  this  reason,  we  recommend  this  work  be  carried  out  only  by  a  trained  service 
technician. 

Contact your ACOM dealer for assistance (see Section 

1.2 Owner Assistance

). 

 
 

Содержание 1010

Страница 1: ...ACOM 1010 HF Linear Amplifier User s Manual Installation Operation and Maintenance July 2021 OUTSTANDING HF POWER PRODUCTS ...

Страница 2: ...ge 2 of 40 S e c t i o n ABOUT DOCUMENTATION July 2021 This manual is for electronic distribution mainly If you have it on paper and you no longer need it please recycle it The latest versions of our User s Manuals are available at www acom bg com ...

Страница 3: ...which thereby become invalid The cover images used in the manual are illustrative only We are continuously striving to improve our documentation but nobody is perfect And our documentation is not an exception of this rule Have you found any errors or would you like to suggest changes in our documentation Please help us by sending your suggestions to the following e mail address documentation acom ...

Страница 4: ... 1010 User s Manual 19 07 2021 Fourth edition R03 Validity The specified data is for product description purposes only and may not be deemed to be guaranteed unless expressly confirmed in the contract All rights are reserved with respect to the content of this manual and the availability of the product Copyrights 2021 ACOM Ltd Copying this document giving it to others and the use or communication ...

Страница 5: ... Initial Inspection 13 2 2 Line Voltage Selection 13 2 3 Amplifier Location Selection 14 2 4 Connections 15 3 POWER ON CONTROLS AND INDICATORS 19 4 OPERATION 21 4 1 Turning ON and OFF 21 4 2 Changing OPERATE and STANDBY Modes 22 4 3 RTTY Mode 22 4 4 Antenna Change 22 4 5 Tuning 23 4 6 The Auto Protection System 26 5 MAINTENANCE 27 5 1 Periodic Maintenance 27 5 2 Cleaning 27 5 3 Fuse Replacement 28...

Страница 6: ...der 35 6 4 Information on Disposing and Recycling of Old Electrical and Electronic Equipment 36 NOTES 37 Figures Figure 2 1 Rear panel Connections 16 Figure 2 2 Power rocker switch in OFF or ON position 18 Figure 3 1 Front panel Display and Controls 19 Figure 4 1 Using TRI tuning aid 25 Figure 5 1 Simplified Schematic Diagram 31 Figure 6 1 Packaging cardboard box 35 Tables Table 2 1 Amplifier Indi...

Страница 7: ...explains Installation Operation and Maintenance of the ACOM 1010 HF linear amplifier The ACOM 1010 is a self contained linear amplifier that covers all amateur bands from 1 8 through 29 7 MHz It provides over 700 W PEP of output power or 500 W in continuous duty operation with less than 60 W of drive The amplifier is designed to tolerate SWR levels of up to 3 1 throughout its operating range and t...

Страница 8: ... will contact ACOM for additional guidance If you still have an issue you need to discuss with one of ACOM s specialists the contact information is as follows ACOM Ltd E mail support acom bg com Bulgaria Bozhurishte 2227 Sofia Bozhurishte Economic Zone 6 Valeri Petrov Str GPS coordinates 42 748616о 23 209801о 1 3 Equipment Supplied The ACOM 1010 amplifier and this User s Manual are shipped in a ca...

Страница 9: ...reads peak forward power except for the service functions while the lower LED bar graph is for the reflected power LED warning indicators are provided for abnormal conditions of grid 1 grid 2 and plate parameters Antenna selection Two antenna outputs are selectable on the front panel of the amplifier Efficient tuning Antenna matching can be achieved in less than 10 seconds and at a quarter of nomi...

Страница 10: ...ion and Notice and instructions related to hazards that should be followed by the user in order to ensure safe operation and to keep the amplifier in a safe working condition at all times The EXPLICIT DEFINITIONS described below apply to this User s Manual DANGER These notes call attention to a procedure or instructions which if not correctly performed will result in serious personal injuries and ...

Страница 11: ... may improve equipment reliability and or personnel performance or to emphasize a concept ORANGE TEXT as LINKS marks all internal links in the document between Sections Figures Tables etc for your convenience The safety instructions contained in this User s Manual feature specific signal words Danger Warning Caution or Notice and where required a safety alert symbol in accordance with actual stand...

Страница 12: ...ric shock or burn NEVER EXPOSE the amplifier to rain snow or any liquids AVOID placing the amplifier in excessively dusty environments or in direct sunlight DO NOT OBSTRUCT AIR INTAKE bottom and EXHAUST top cover areas of the amplifier Keep a minimum clearance distance of 50 cm 20 inches above the exhaust opening WARNING Do not undertake on your own repairs or changes in hardware or software of th...

Страница 13: ...ider 2 2 Line Voltage Selection NOTICE To avoid damage which will not be covered under your warranty check carefully to be certain that the voltage for which the amplifier is set corresponds to your mains nominal voltage Normally the amplifier is supplied set for a nominal line voltage of 240 V If your mains voltage is not 240 V you must contact your dealer for instructions The only exception to t...

Страница 14: ... is advisable to position the amplifier to the right of your transceiver No temperature sensitive devices should be located above the exhaust hot air area This means that the amplifier should not be located under a shelf or other structure that could impede the free movement of air away from the amplifier NOTICE Do not under any circumstances obstruct the air intake bottom and exhaust top cover ar...

Страница 15: ...ay fall under special requirements in some countries DANGER Never use the gas installation for grounding This can cause an EXPLOSION DANGER Do not use the steam heating or water supply network for grounding You may expose to dangerous voltage not only yourself but also other people using the same installation a GND stud First connect the wing nut grounding stud of the amplifier on the rear panel m...

Страница 16: ...NT1 and ANT2 sockets NOTICE If this is the first time you will use a power amplifier in your station pay attention to the coaxial cable type from the amplifier s output to the antenna It must handle the increased power safely particularly on the 10 meter band It is suggested that at a minimum RG8X including RG8MINI RK50 4 11 RK50 4 13 or even better RG213 including RK50 7 11 coaxial cable be used ...

Страница 17: ... software command or by changing the setting of a switch on the rear panel or interior of the transceiver Check your transceiver s manual e Main fuses NOTICE Make sure you check whether the main fuses installed in your amplifier see Figure 2 1 Rear panel Connections Pos e correspond to your local mains nominal voltage and if necessary replace them as described in Section 5 3 Fuse Replacement WARNI...

Страница 18: ... 200 240VAC and 1 5 mm AWG 15 or SWG 17 at 100 120VAC recommended values if there are no stricter requirements by your local standard Check that the panel fuse has a free capacity for the additional load from the amplifier as specified in Sections 5 3 Fuse Replacement and 6 1 i Mains Power Consumption If you connect the amplifier to a different mains outlet be sure that you check it too Make sure ...

Страница 19: ...be certain that the voltage for which the amplifier is set corresponds to your mains nominal voltage see Section 2 2 Line Voltage Selection and Table 2 1 Amplifier Individual Data After following all instructions in Section 2 INSTALLATION you may turn on the main power switch marked ON on the front panel see Figure 3 1 Front panel Display and Controls and Figure 2 2 Power rocker switch in OFF or O...

Страница 20: ...bove the knob LOAD are called the TRI tuning indicator and they are used to achieve antenna impedance matching during a re tune procedure see Section 4 5 Tuning NOTICE Do not switch the BAND switch knob while transmitting with the amplifier Hot switching while transmitting will eventually destroy the band switch not covered by the warranty There are three warning yellow LED indicators and one faul...

Страница 21: ...second warm up period Throughout this period the amplifier will remain in the STANDBY mode and the transceiver may continue to be used Also during this period the A1 A2 button may be pressed to change antennas i e between the antennas connected to the ANT1 and ANT2 outputs see Figure 2 1 Rear panel Connections Pos c Switching between the antennas does not affect the warm up process NOTICE To avoid...

Страница 22: ...ressed temporarily Pressing the OPER button again restores the AUTO OPERATE feature 4 3 RTTY Mode Select the RTTY mode to operate continuous duty modes such as RTTY SSTV or other data modes The LED indicator above the RTTY button illuminates and the amplifier operating parameters are changed to reduce tube dissipation In the RTTY mode the amplifier output power is reduced to a maximum of 500 W The...

Страница 23: ...d REFLECTED POWER respectively the real OUTPUT POWER is 650 W At very high SWR levels such as when no antenna is connected or a badly mismatched antenna is used the FORWARD and REFLECTED readings will be almost equal while the real OUTPUT POWER the difference between them will be nearly zero The amplifier can operate safely if the following rule is obeyed REFLECTED POWER 250 W Also impedance match...

Страница 24: ... will eventually destroy the band switch not covered by the warranty NOTICE When tuning never apply continuous drive longer than one minute without pausing for at least one minute to allow the tube to cool It is recommended that for initial tuning a free frequency in the middle of the band be selected make sure the frequency is not being used by others so that you do not make QRM First with no tra...

Страница 25: ...ide markers Tuning is a far right Turn LOAD knob to the left to get inside markers Marker inside Turn LOAD knob slightly left to center it LOAD is tuned Turn TUNE knob to peak Forward Power Figure 4 1 Using TRI tuning aid The TRI indicator will not illuminate until at least 20 W of forward power output is achieved In the event successful matching cannot be accomplished check the BAND switch positi...

Страница 26: ...ally goes to the standby mode for several seconds Also the green OPER LED goes off The amplifier will indicate the reason for the protection trip If one of the yellow G1 G2 IP warning LEDs is illuminated along with the red F LED a current limit has been exceeded and drive power must be reduced or retuning is necessary see Section 4 5 Tuning If the last red LED of the reflected power bar graph is i...

Страница 27: ...are laid on the floor Check also if the cables are secured well in the area where they come out of the connector body Pay particular attention to the mains plug and the wall outlet see Sections 2 4 f The IEC 320 Power inlet and 2 4 g Preparation of wall outlet If you have any doubts consult with a qualified electrician Periodically check the SWR of the antennas and if this changes over time Proble...

Страница 28: ...inal voltage e g EATON Bussmann PN S 501 6 3 R ceramic body cartridge Littelfuse PN 021706 3 glass body cartridge For 100 120 VAC mains nominal voltage e g EATON Bussmann PN S 501 10 R ceramic body cartridge Littelfuse PN 0217010 glass body cartridge If after Primary Mains Fuses replacement the device does not operate normally we recommend repair performed only by a trained service technician Cont...

Страница 29: ...ous operation For this reason we recommend this work be carried out only by a trained service technician Contact your ACOM dealer for assistance see Section 1 2 Owner Assistance Unauthorized replacement of inside fuses infringes the warranty conditions Besides specific national standards the principal fuses standard applied worldwide is IEC 60127 5 4 Tube Replacement A single 4CX800A GU74B high pe...

Страница 30: ...e is fed through chokes RFC1 RFC2 and the capacitor Cb3 blocks it from the output The output tank comprised of LP1 LP2 LL CP1 CP3 and CL1 CL4 forms a classic Pi L network and suppresses harmonic frequency emissions This circuit is switched and tuned by S1A S1C and the air variable capacitors CP1 2 and CL1 2 The output signal is fed through the antenna relays K1 and K2 in the WATTMETER PCB The WATT...

Страница 31: ...User s Manual ACOM 1010 HF Linear Amplifier July 2021 S e c t i o n MAINTENANCE Page 31 of 40 Figure 5 1 Simplified Schematic Diagram Figure 5 1 Simplified Schematic Diagram ...

Страница 32: ...than 5 mA 5 LEDs illuminated b Pressing the OPER and RTTY buttons once again will now illuminate the yellow G2 light This provides an approximate reading of grid 2 voltage The scale is 30 V per a LED lighted The upper bar graph should show a voltage reading within the range of either 270 300 Volts 9 10 LEDs illuminated for RTTY or 210 330 Volts 7 to 11 LEDs illuminated for SSB and CW c Pressing th...

Страница 33: ...band SWR less than 1 3 1 1 8 30 MHz continuously no tuning no switching Bypass path SWR less than 1 1 1 1 8 30 MHz continuously 200 W maximum Output antenna impedance matching capability SWR up to 3 1 or higher g RF Gain 11 dB typically frequency response less than 1 dB 50 70 W drive power for rated output h Mains Power Supply Voltage 85 132 VAC 170 264 VAC 100 110 120 200 210 220 230 240 V nomina...

Страница 34: ...s selectable by a button on the front panel c Protections Cover interlock for operator s safety Inrush power on current limited to the nominal consumption Control grid screen grid and plate currents T R sequencing Antenna relay contacts including RF power induced in antenna from another nearby transmitter Antenna matching quality Reflected power d LED bar graphs for forward peak power and reflecte...

Страница 35: ...Weight WxDxH Approx 580x460x340 mm 20 0 kg 22 9x18 2x13 4 inches 44 1 lbs Figure 6 1 Packaging cardboard box Figure 6 1 Packaging cardboard box 6 3 3 Transportation All types of transportation may be used including storage in an aircraft baggage compartment at up to 12000 meters 40000 ft above sea level 6 3 4 Returning to the Service Provider NOTICE Should it be necessary to ship the amplifier use...

Страница 36: ...ould not place the electrical item in the general waste Waste electricals This symbol three green arrows going in a triangle with electrical plug in the center means that according to local laws and regulations this product should be sent for recycling Old electrical and electronic equipment and batteries should be recycled at a facility capable of handling these items and their waste byproducts C...

Страница 37: ...User s Manual ACOM 1010 HF Linear Amplifier July 2021 S e c t i o n NOTES Page 37 of 40 NOTES ...

Страница 38: ...User s Manual ACOM 1010 HF Linear Amplifier Page 38 of 40 S e c t i o n NOTES July 2021 ...

Страница 39: ...fier July 2021 S e c t i o n NOTES Page 39 of 40 This manual is for electronic distribution mainly If you have it on paper and you no longer need it please recycle it The latest versions of our User s Manuals are available at www acom bg com ...

Страница 40: ...I The used images are illustrative only Subject to change without notice I Printed in Bulgaria All rights reserved I Design and content by ACOM Ltd ACOM 1010 User s Manual I Fourth Edition Revision 03 I July 2021 ACOM Ltd Bulgaria Bozhurishte 2227 Sofia Bozhurishte Economic Zone 6 Valeri Petrov Str GPS coordinates 42 748616о 23 209801о support acom bg com ...

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