Quadra (VL-1000 750 Kb)
Contents
1. C BAND DATA A D BAND DATA B E BAND DATA C GND GND GND onmo o vr F BAND DATA D G TX INH H F SET COMMON F SET 1 P JF SET 2 as viewed from rear panel K NC RCA Plug LNC MNC GND or N GND A SIGNAL or GND as viewed from rear panel VL 1000 Operating Manual Page 5 Front Panel Controls and Switches i E fa YAESU HF BG MHz LINEAR AMPLIFIER VL 1000 POWER GRERATE DIM Low INPUT ATT ANT 12345 67 8 910 111213 14 15 1 POWER Switch This switch turns the VL 1000 on and off When the amplifier is turned off the INPUT 1 jack is connected directly to the ANT 1 jack If using a Yaesu transceiver with a Banpo Data cable the VL 1000 AC power will be remotely controlled by the transceiver s power switch when the REMOTE switch on the rear panel of the VL 1000 is set to ON 2 OPERATE Switch Pressing this switch activates the power am plifier section of the VL 1000 When the power amplifier is activated OPERATE will appear on the display Press this switch again to turn off the power amplifier section 3 DIM Switch This switch selects the brightness level of the LCD display In low light situations acti vating the Dimmer may reduce excess bright ness in the display For normal room lighting however the Dimmer should be set to OFF for best vi2. Drive Power Check If this is first time operation or whenever using a different exciter transceiver perform this procedure to check peak exciter driving power O Turn the VL 1000 POWER switch on by pressing the switch in O Make sure that the OPERATE and TUNER switches on the VL 1000 are both off O Connect a 100 watt dummy load to the ANT 1 jack on the VL 1000 if available Ifa dummy load is not available connect an antenna which presents a 50 Q resistive load to the ANT 1 jack Tune your exciter to a Clear frequency O Set the transceiver to the CW mode and preset the Drive or RF Pwr control on the transceiver fully clockwise maximum O Briefly key the transmitter while watching the display of the VL 1000 If the indicated exciter power is above 100 watts turn the ATT switch ON Never press the ATT switch while transmitting Drive power must be at least 50 watts for accurate SWR detection and 70 to 80 watts for optimum tuner performance Full power output will be obtained from the VL 1000 when the drive power is between 50 and 80 watts depending on the band in use When the VL 1000 power amplifier section is activated ALC voltage is fed back from the amplifier to the transmitter to reduce power output to this level However much higher drive power to the am plifier will cause the protective circuitry to dis able the amplifier to avoid damage to the in put circuits Therefore when using an exci
3. Off position unless you have connected an appropriate Bano Data cable for remote power control Before commencing initial checkout verify that the Remote switch is If the Remote switch is on and the VL 1000 is not connected to a Yaesu transceiver providing remote power actuation Error Message 1005 which warns of Excessive PA DC Voltage will appear following the Self Test procedure If you experience this situation check to be sure that the Remote switch has not accidentally been turned on 10 DC48V IN Jack Connect this 8 pin Molex socket to the Out PUT socket on the Yaesu VP 1000 AC Power Supply This socket provides 48V DC sup ply voltage for the power amplifier of the VL 1000 VL 1000 Operating Manual Page 9 Operation Preliminary Checks Before switching on power recheck all in terconnections Be certain that the ground RF input and ALC connection cables are all secure If using a Yaesu FT 980 transceiver for ex citation set the Lin Amp switch on the rear panel to the upper Position 1 If using an FT 757GX Il or FT 767GX ensure that the Lin or Linear switch is depressed Position 1 Other Yaesu transceivers do not require spe cial switch setting on the transceiver prior to commencing amplifier operation Band Changes By now you have noticed that there is no Band switch on the VL 1000 Selection of the frequency band is accomplished in one of two ways If using
4. a Yaesu transceiver with a BAND Data control cable band selection and an tenna rematching will occur automatically whenever you change bands on the trans ceiver Similarly the antenna last used by the VL 1000 on each band will be reselected when that band is recalled on the trans ceiver If you are using a transceiver without a band control cable injecting a carrier from the exciter for few seconds causes the VL 1000 s microprocessor to count the input frequency and automatically set the ampli fier up for operation on the appropriate band Here are the appropriate procedures 1 Set the Mope switch of the exciter to CW and the Drive or RF Pwr control of the exciter so as to provide 50 Watts of less of drive power to the VL 1000 2 Press the F SET key on the VL 1000 mo mentarily then press the Prr switch of the exciter to activate the transmitter If necessary close your key to allow a car rier to be transmitted for a few seconds 3 The microprocessor of the VL 1000 will now detect the frequency of the input signal and the amplifier will then set it self to the matching band 4 When the correct band appears on the VL 1000 display release the exciter s Ptt switch so as to return to the receive mode Preliminary band setup is now complete If you attempt to transmit on an improper band for example at 6 2 MHz the VL 1000 will automatically be placed in the THRU mode and no amplification will tak
5. of the trans ceiver is set to CW RTTY or some other con tinuous mode and set the Drive or Rr Pwr control fully clockwise if you want to perform antenna tuning To accomplish this function pin 11 of the BAND DATA 2 jack closes the transceiver s Ptr or Remote jack to ground thus placing the transceiver in the transmit condi tion PTT or REMOTE BAND DATA 2 Ground lt Y_ gt Pin 9 Tip Fin 11 Automatic Amplifier Tune Up using FT 1000MP Transceiver When using the VL 1000 in conjunction with the FT 1000MP transceiver the front panel F SET key may be used to initiate an automatic tuning procedure for the amplifier In order to accomplish this Menu Item 7 9 on the FT 1000MP must be set to KEYER which is its default value and a control cable must be con nected between the FT 1000MP s Remote jack and the VL 1000 s BAND DATA 2 jack The required wiring for this cable is shown below REMOTE BAND DATA 2 Ground lt _ gt Pin 9 Tip lt gt Pin 10 Page 4 VL 1000 Operating Manual Plug Pinout 13 5V a 9 eR B ONC ATX GND A GND s i B GND A B REMOTE C BAND DATA A Y C PS ALARM D BAND DATA B S D LOW POWER E BAND DATA C SN E GND F BAND DATA D Z es ne Ce N F 12V INPUT G TX INH A a a G 12V INPUT nity as viewed from rear panel as viewed from rear panel 48V INPUT 48V INPUT 48V INPUT 48V INPUT 13 5V ATX GND B GND
6. ATA 2 Jack This D sub 15 pin jack provides the same connections as does the BAND DATA 1 Jack plus additional connections for special appli cations 5 PTT Jacks Shorting the center pins of these jacks to ground activates the amplifier for transmission This function will normally be provided by am plifier control contacts in the T R relay or open collector NPN transistor in the exciter Open circuit voltage at this PTT jack is 5V DC and maximum closed circuit current required is 10 mA 6 ALC Jacks These RCA jacks provide the ALC output voltage for control of the exciter s RF drive level The ALC control voltage range is 0 to 10 VDC 7 GND Terminal Post Connect this terminal to a good earth ground using the shortest practical length of heavy braided cable All other station equip ment should be grounded to the same ground system Page 8 VL 1000 Operating Manual Rear Panel Connectors and Switch EEE 8 INPUT Jacks These type M SO 239 jacks should be connected through a short 50 Q coaxial jumper to the transmitting antenna jack of the trans ceivers 9 CONTROL Socket Connect this 8 pin Molex socket to the Con TROL socket on the Yaesu VP 1000 AC Power Supply This socket provides 12V DC and control signals for the VL 1000 OFF Operating Advice For most operating situations the Remote switch on the rear panel of the VL 1000 should be set to the
7. Display PO Meter 2 Peak hold Segment O Peak and Average Power Output Numeric Displays O SWR Numeric Display O Current Tx Rx Status O Current Frequency Band Numeric Display Antenna Tuning Meter Be A ee ee TUHIHG O Current changing SWR Bar Graph Q Pictorial display of relative positions of An tenna Tuner Variable Capacitors O Current Frequency Band Numeric Display Graphical SWR Meter SWR MOKITOR SPAH 1606 kHz ANT 1 a 22 E 25 eis 29 0 S O Current Antenna Jack in Use ANT 1 ANT 4 O Display of Tuner Out SWR Dots on Graph O Display of Tuner In SWR Dashes on Graph this indicator does not indicate when SWR is above 1 5 1 O Current Frequency Band Numeric Display O User Defined Span on Band Display x 1 8 14 MHz 100 500 1000 kHz selectable x 14 28 MHz 500 1000 kHz selectable x 28 54 MHz 1000 kHz fixed Initial Amplifier SeELF Test Protocol When the VL 1000 is initially turned on it enters a SELF Test mode in which the amplifiers microprocessor checks various as pects of its control signals and supply voltages If the amplifier s self test routine is success fully completed the following display will be shown gt HORMAL FPA BIAS CURR HORMAL PA TEMPERATURE gt HORMAL AUTOMATIC HAIHTEHAHCE MODE OH SLAVE MODE OH VL 1000 Operating Manual Page 11 Operation
8. R 1 5 1 or better Tuning Memory Register 240 channels Specifications are subject to change in the interest of technical improvement without nortice or oblogation CAUTION Changes or modifications to this device not expressly approved by Yaesu Musen could void the user s authorization to operate this device Page 16 VL 1000 Operating Manual YAESU leading the way Copyright 1997 Yaesu Musen Co Ltd All rights reserved No portion of this manual may be reproduced without the permission of Yaesu Musen Co Ltd Printed in Japan E08971000 9708B 0K
9. YAESU VL 1000 OPERATING MANUAL YAESU MUSEN CO LTD 1 20 2 Shimomaruko Ota Ku Tokyo 146 8649 Japan YAESU U S A 17210 Edwards Rd Cerritos CA 90703 U S A YAESU EUROPE B V Snipweg 3 1118DN Schiphol The Netherlands YAESU UK LTD Unit 12 Sun Valley Business Park Winnall Trading Estate Winchester Hampshire S023 OLB U K YAESU GERMANY GmbH Am Kronberger Hang 2 D 65824 Schwalbach Germany YAESU HK LTD 11th Floor Tsim Sha Tsui Centre 66 Mody Rd Tsim Sha Tsui East Kowloon Hong Kong General Description YAESU HFISO MHz LINEAR AMPLIFIER VL 1000 POWER OPERATE OIM Low INEUT ATT ANT Aw oo See oo sooo Congratulations You are now the owner of the Yaesu VL 1000 Linear Amplifier which brings you leading edge technology for the ultimate in operating convenience and reliability We appreci ate your investment in Yaesu equipment and wish you many years of satisfying operation using your new amplifier The VL 1000 is an all solid state linear amplifier operating on the 160 through 6 meter amateur bands USA version 160 15 meters at a power output level of 1000 Watts on CW and SSB 500 Watts on continuous data modes such as RTTY The VL 1000 includes a built in antenna tuner with 240 memories for tuning data and microprocessor control of the tuning circuitry The VL 1000 features input jacks
10. dline and coaxial cable PeotEer oi ETRC connector s 1682 O 1003 PROTECTION CIRCUIT DETECTS PA UNIT IMBALANCE More than 50 watts of imbalance has occurred among the four sections of the power ampli fier A transistor or LPF Unit power combiner failure may be responsible O 1004 PROTECTION CIRCUIT DETECTS EXCESSIVE DRIVE POWER The recommended drive level from the exciter transceiver has been exceeded Reduce the drive level or set the ATT switch to the ON po sition O 1005 PROTECTION CIRCUIT DETECTS EXCESSIVE PA DC VOLTAGE The recommended Drain Voltage of the final Fat aa ic AMARNING amplifier has been exceeded Check the power poorer aeae nnen supply voltage regulator and associated cir cuitry O 1006 PROTECTION CIRCUIT DETECTS EXCESSIVE PA CURRENT The recommended Drain Current of the final amplifier has been exceeded Check the power FETs and associated circuitry PROTECTION CIRCUIT DETECTS PA UNIT INBALAHCE 1603 PROTECTION CIRC T DETECTS EXCESSIUE DRIVE POWER 1haG SSIVE PA OC VOLTAGE 1063 PROTECTION CIRCUIT DETECTS EXCESSIVE FA CURRENT 1006 O 1007 PROTECTION CIRCUIT DETECTS POWER SUPPLY FAILURE The VP 1000 or its interconnection to the VL 1000 has failed Check the cable connection PROTECTION CIRCUIT DETECTS POWER SUPPLY FAILURE from the VL 1000 and or the VP 1000 This Gas Warning only appears when using the Yaesu VP 1000 power s
11. e Black Light Blue Brown Brown Light Blue Green Yellaw AC neutral Light Blue USA Plug UK Plug European Australian AC hot Brown Plug Plug gt Ground 7 Green Yellow viewed from plug prong side European version VL 1000 Operating Manual Page 2 Installation eeeeeeeeee ee eeEeeE eeSE EE ceiver a Bano Data cable may be con nected to the INPUT 1 PTT 1 ALC 1 jacks and nected which provides automatic band that all cables from exciter 2 are connected change and T R control thus eliminating to the INPUT 2 PTT 2 ALC 2 jacks When us the need for cable B above and 48 V ing a Bano Data cable for interconnection you DC supply voltage On Off control if the do not need the PTT cable for the correspond REMOTE switch on the rear panel of the ing exciter as the T R control signal will be VL 1000 is set to the ON position made via the Bano Data cable Typical installation diagrams are shown below When two exciters are utilized be cer tain that all the cables from exciter 1 are con f 3 6m Yagi Antenna 4 o 2 5 i T b g a a a cs Le a i Dml E m 7 ANTENNA A a o mi ANT ANT 2 O o e o o aa 9ga Bee 3 a 9 E ho oT j hy a z hla ag p if Jo gi gmim a 8 i a z a f d E j BAND DATA CABLE T9101487A 4 iu 1
12. e place Antenna Selection Pressing the ANT switch repeatedly causes the VL 1000 to toggle between the rear panel antenna jacks Just remember to select the correct antenna when making band changes during initial operation and the VL 1000 will thereafter remember which of ANT 1 through ANT 4 should be selected when you return to that band When the amplifier is turned off the default antenna selection is ANT 1 You may wish to consider putting a grounding type coaxial switch in the coaxial line connected to the ANT 1 jack so as to shunt static electricity or nearby lightning pulses to ground Fan Operation The cooling fans for the amplifier and power supply are both thermostatically controlled The thermostats are set to activate well before dan gerous heat has built up inside the cabinets It is quite normal for the fans to cycle on and off occasionally even during receive opera tion The fans also may continue to operate after the front panel power switch is turned off this feature allows the complete dissipation of heat so as to ensure long life of the compo nents Important Note The VL 1000 requires input drive power of 50 60 watts Please ensure that the trans mitter used with this amplifier is capable of producing at least 60 Watts of drive power so as to ensure full output from the VL 1000 When driving the VL 1000 with a transceiver which includes a built in antenna tuner please turn the transceive
13. edure O Briefly key the transmitter while watching the SWR indicator in the display of the VL 1000 SWR calculation is automatic so no full scale presetting is necessary O If the SWR is above 1 5 1 activate the An tenna Tuning Unit to retune the impedance presented by the antenna system as follows Press the TUNER switch Press the TUNE switch Transmit a carrier from the exciter in the CW or other continuous mode Do not attempt to perform antenna tuning by whistling into the microphone in an SSB mode as the drive power delivered to the antenna tuner s microprocessor will not be consistent O During antenna tuning a special Antenna Tuning Meter display will be observed show ing the progress of the SWR reduction as well as showing a depiction of the relative positions of the two Variable Capacitors in the antenna tuner VC A and VC B HG F E C5 oy 1a 28 CO ciii O At the completion of the tuning process COMPLETE will appear on the display Once tuning has been successfully com pleted the display will shift to the Graphical SWR Meter automatically In this mode both the before tuning THRU and after tuning A T SWR conditions present at the VL 1000 s current antenna jack will be shown As you move around the band new antenna tuning settings will be recorded on the Graphical SWR Meter giving you a clear picture of the tuning action of the VL 1000 s automat
14. erated for use with Yaesu transceivers is about 4 V DC The ALC cable must be connected be tween the transceiver and VL 1000 to prevent overdrive of the amplifier and espe cially to facilitate the proper operation of the protection circuitry if sudden antenna system problems should cause the SWR to rise to dan gerous levels PTT Connections These jacks labeled PTT 1 and PTT 2 ac cept T R control signals from your exciter Grounding the center pin of one of these PTT jacks will cause the amplifier to be placed in the Transmit mode These jacks utilize a positive voltage 5V DC at very low current 10 mA maximum so they are compatible with most open collector NPN transistor amplifier control circuits in modern transceivers Mechanical relays may also be used so long as they are floating contacts that do not apply a voltage to the VL 1000 s PTT jacks On Yaesu transceivers use either the transistor or relay Normally Open connections labeled Tx Gnp on the rear panel of the transceiver do not however use the transceiver s PTT jack as it was designed for PTT input via a footswitch etc not for am plifier control Automatic Amplifier Tune Up If you connect the supplied control cable between the transceiver s Ptt or Remote jack and the VL 1000 s BAND DATA 2 jack the transceiver will automatically transmit when you press the amplifier s front panel F SET key make sure that the Mope switch
15. for two different exciters as well as four antenna jacks for connection of antennas for different bands Extensive self test system monitoring and protection circuits are provided with status and tuning information being displayed on a huge Liquid Crystal Display panel The separate VP 1000 Power Supply Unit provides the 48 Volts required by the PA transis tors as well as all required control voltages for the amplifier The VL 1000 normally is powered via 220 Volt AC mains although it can be operated at the 500 Watt level from 117 Volt AC power We encourage you to read this manual thoroughly before beginning installation and operation of your VL 1000 Linear Amplifier The details regarding proper installation and operating advice contained in these pages will help you derive maximum satisfaction from your new Yaesu equip ment Be certain to observe all due safety precautions when using this high power device Supplied Accessories Item Quantity ALC Cable T9101489 2 m 1 Band Data Cable T9101487A 8 pin DIN 8 pin DIN 2 m 1 Control Cable T9101491 D sub 15 pin RCA 2 m VL 1000 Operating Manual Page 1 Installation M MlM The proper safe installation of the VL 1000 is not difficult to accomplish using the guide lines to follow Caution Lethal AC and RF voltages are present within the cabinets of the VL 1000 Lin ear Amplifier and VP 1000 Power Sup ply Use extreme caution when open ing the cabinet
16. ic antenna tuner Le COMPLETE Lea O If COMPLETE does not appear it means that an excessively high SWR exists on the coaxial line ERROR will appear on the dis play and either HI SWR or PROTECT will come on to assist you in knowing the exact nature of the fault If either of these warn ing messages should appear on the display check the antenna feedline and antenna connection O If COMPLETE appears after tuning press the OPERATE switch The VL 1000 is now ready for operation Note During antenna tuning the tuning car rier is passed through the power amplifier then fed to a 20dB power attenuator circuit to mini mize interference to other operators this power reduction takes place even if the OPERATE switch is on VL 1000 Operating Manual Page 13 Operation Linear Amplifier Operation Although continuous full exciter power is re quired for accurate SWR measurement and antenna matching this will cause overheating if transmitting for an extended period when OPERATE switch is depressed that is when the power amplifier section is on So once the antenna has been matched the first time reduce the setting of the exciter s Drive or RF Pwr control if you contemplate operation us ing a continuous carrier operating mode see the guidelines below For SSB and CW operation make sure to adjust the Mic Gain and or Drive control on the transceiver for p
17. n the 1 to ANT 4 will appear on the display to indi antenna tuner is activated the TUNER indi cate which antenna is in use cator appears on the display Press this switch again to turn off the antenna tuner 8 DISPLAY 1 Switch Press and hold this switch for 1 2 second to 12 TUNE Switch copy the current display into Display Memory This switch activates the auto tune system 1 Press this switch momentarily to recall the manually Normally when the operating band Display Memory 1 data to the display This is changed the tuner will automatically adjust switch is also used for alignment of the ALC itself for the same antenna selection and system if needed matching impedance which was set the last time that band was used Press this switch to 9 DISPLAY 2 Switch retune if you are ona different part of the band Press and hold this switch for 12 second to or if the SWR is still too high after automatic copy the current display into Display Memory tuning Manual restart with this switch can be 2 Press this switch momentarily to recall the used to force rematching of the impedance Display Memory 2 data to the display This presented by the antenna system at any time switch is also used for alignment of the ALC f system if needed 13 F SET Switch Press this switch to activate the exciter and 10 DISPLAY SELECT Switch tune up the VL 1000 automatically when us This switch is used to select the display ing the FT 1000MP
18. r s antenna tuner off when using the VL 1000 Page 10 VL 1000 Operating Manual Operation Metering An extensive array of metering selections are available to the owner of the VL 1000 Pressing the DISPLAY SELECT switch allows you to choose from among these options There are also two Display Memory switches on the front panel of the VL 1000 which you may use to store and recall your most used metering choices To store a meter selection press and hold in for 12 second the DISPLAY 1 or DISPLAY 2 switch until you hear a double beep To recall the saved setting just touch momentarily the DISPLAY 1 or DISPLAY 2 switch Multi Meter 1 IBGE W Q Peak and Average Power Output Bar Graphs Q Peak and Average Power Output Numeric Displays O PA Drain Current Bar Graph PA Drain Voltage Bar Graph O Current Tx Rx Status O SWR Numeric Display O Current Frequency Band Numeric Display Multi Meter 2 To MHIN O Peak and Average Power Output Bar Graphs O Peak and Average Power Output Numeric Displays O PA Drain Current Bar Graph O Current Tx Rx Status O SWR Bar Graph O SWR Numeric Display O Current Frequency Band Numeric Display PO Meter 1 eee AULT O Peak and Average Power Output Bar Graphs with Peak hold Segment O Peak and Average Power Output Numeric Displays O SWR Numeric Display O Current Tx Rx Status O Current Frequency Band Numeric
19. roper ALC indication on the transceiver ALC meter as described in the transceiver manual Generally for SSB the ALC meter indication should not deflect be yond a certain ALC limit the ALC zone on the transceiver s meter on voice peaks on CW the ALC indication should be just enough to cause slight meter deflection Higher ALC levels may produce distortion or key clicks without producing any additional power output For FM SSTV RTTY AMTOR or packet press the LOW switch to select the LOW power condition to prevent the overheating during continuous operation for extended periods For AM operation adjust the Drive or RF Pwr control on the transceiver so that the AVG power meter on the VL 1000 does not exceed 250 watts when transmitting a carrier On voice peaks adjust the Mic Gain control on the trans ceiver so that the PEAK power meter on the VL 1000 does not exceed 1000 watts free operation with the VL 1000 the display see next page A Operating Precautions Summarized below are some precautions to adhere to in order to ensure long life and trouble O Do not transmit after changing bands until COMPLETE appears on the display O Do not transmit when turning the POWER switch or the ATT switch on or off O When changing bands always make certain that the VL 1000 is set for the same band as the transceiver before transmitting and that the proper antenna is connected Remem ber that ANT 1 is au
20. s to perform any alignment or adjustment steps and take particular care to inspect inter connection cables frequently to en sure that they are in good condition It is assumed that you possess tech nical knowledge and experience con sistent with your possession of an amateur radio license this knowledge and experience are important tools which will aid in the successful instal lation of this apparatus Should you have any questions about the safe in stallation of this equipment consult your Yaesu dealer or seek the assis tance of a professional installer AC Power Connections using VP 1000 Power Supply The VL 1000 is usually operated from 220 Volt nominal AC power With 220 Volt input to the VP 1000 Power Supply full 1000 W power output will be obtained from the VL 1000 while 117 Volt input to the VP 1000 is possible at the 500 Watt power output level The advanced switching regulator power supply used in the matching VP 1000 Power Supply does not require any transformer re wiring nor any changing of a switch position the power supply will operate from either 220 or 117 Volt line voltages without configuration changes Green Green Yellaw Green Yellaw Light Blus Brawn AC hot However the AC power cable plug configu ration will be somewhat different depending on the country in which you purchased your amplifier In some countries the VP 1000 is shipped with the standard 220 Vol
21. sibility 4 LOW Switch This switch selects the RF output power When in the LOW position the RF output power will be reduced to approximately 500 watts PEP and LOW will appear on the dis play Note This switch should be set to the LOW position when operating from a 100 117 VAC power source 5 INPUT Switch Press this switch to toggle between the ex citers connected to the INPUT 1 and INPUT 2 connectors on the rear panel The indicator INPUT 1 or INPUT 2 will appear on the dis play to indicate which exciter is in use 6 ATT Switch This switch activates a 3 dB input RF power attenuator to reduce excessive input power from the exciter It should be on if exciter out put exceeds 100 watts PEP as is the case when using the FT 1000 D The ATT indica tor will appear on the display when this switch is on Page 6 VL 1000 Operating Manual Front Panel Controls and Switches E Se lOM 7 ANT Switch When using the Grapfical SWR Meter dis This switch can be used for manual selec play press and hold this switch for 1 2 second tion of up to four antennas The antenna se to change the frequency span of the meter lection is stored in memory so once selected and matched on a particular band the same 11 TUNER Switch antenna will be reselected automatically when Pressing this switch places the antenna recalling that band One of the indicators ANT tuner in the transmit signal path Whe
22. t connector appropriate for your location In those areas where there are multiple 220 Volt connectors in common use the VP 1000 is shipped with out the power connector one may be obtained at a local hardware or electrical supply store Pictorial diagrams of the common 220 and 117 Volt AC connectors in use are shown be low When wiring your own connector be ab solutely certain to observe the proper polarity on the pin connections Consult with an electri cian if you have any doubts about your wiring Be sure that your house wiring is capable of sufficient current capacity on the 220 Volt circuit to be used especially if this circuit is shared with household appliances It always is preferable to operate the VL 1000 from a dedicated 220 Volt circuit with its own circuit breaker Transceiver or Exciter Interconnections The interface wiring to the transceiver or trans mitter which drives the VL 1000 consists of A A 50 Q coaxial cable for carrying RF drive power from each exciter to the amplifier B A 2 conductor transmit receive control cable which provides a closure to ground signal from the transceiver to the ampli fier during transmission C A supplied 2 conductor ALC Automatic Level Control line used to limit the drive level from the exciter to the amplifier and D When using a compatible Yaesu trans VP 1000 AC Cable wiring AC neutral Ground U S A version i ran Noo A A Q Q Whit
23. ter delivering more than 100 Watts of drive power the input attenuator should be used With Yaesu transceivers only the FT 1000 D se ries should require the use of the attenuator as the FT 1000 D is capable of up to 200 Watts of output power ALC Alignment When this amplifier is used with Yaesu transceivers such as the FT 1000MP FT 990 or FT 920 the ALC system normally will not require alignment However if it appears that full power is not being achieved due to exces sive ALC action you may align your VL 1000 s ALC system to that of your transceiver via this simple procedure O Connect the transceiver to the INPUT 1 jack and select INPUT 1 via the front panel INPUT switch O Set the RF output power to the HIGH power condition via the front panel LOW switch O Press and hold in the INPUT switch for 12 second this initiates the ALC Alignment mode O Start with the transceiver s Drive or RF Pwr control fully counter clockwise then rotate the Drive or RF Pwr control to the fully clock wise position while transmitting O If the power output from the amplifier as displayed on the AVG meter does not reach 1000W because of the effect of the VL 1000 s ALC voltage at full exciter drive keep the transceiver s Drive or Rr Pwr control fully clockwise then press and hold in the DISPLAY 2 key until the power output from the amplifier reaches 1000 Watts O If on the other hand the ALC
24. tomatically selected when the VL 1000 is switched off O Reduce the drive power or shorten transmissions if Warning Message 1001 appears on Beeper on off When you press a switch the beeper pro vides useful audible feedback to confirm that the switch was successfully activated If you want to turn the beeper off first turn the VL 1000 off then press and hold inthe DISPLAY 1 and DISPLAY 2 switches while you turn the VL 1000 on To turn the beeper back on again repeat this switch on procedure Resetting the CPU The VL 1000 can be reset so as to clear all settings display memories and antenna tuner data these will be reset to their factory de faults To reset the microprocessor press and hold inthe OPERATE and DIM switches while you turn the VL 1000 on Page 14 VL 1000 Operating Manual WARNING Messages If one of these messages should appear a potentially serious situation is being experienced Turn the amplifier off correct the problem then turn the amplifier back on If the problem has indeed been corrected full operation at the 1000 Watt power level should be restored O 1001 PROTECTION CIRCUIT DETECTS EXCESSIVE PA The Power amplifier heatsink is overheated Reduce the drive power or shorten transmis genteerion circu DETEDTS EMCESSTUe PA sions to cooling the heatsink A O 1002 PROTECTION CIRCUIT DETECTS SWR gt 3 1 The SWR is too high above 3 1 Check the antenna fee
25. u Ei CONTROLCABLE h 191014911 ALC CABLE 79191258 FT 650 7 T geo 099 OG ANT HF Dipole Antenna HF Beam Antenna 3 m Yagi Antenna ng FT 1000MP JT BC VIN CONTROL BAND DATA aL A 2 BAND DATA CABLE TS101487A4 0 ALC CABLE T9101296 CONTROL CABLE As shown next page for detail FT 1000MP FT 650 VL 1000 VL 1000 Operating Manual Page 3 Installation Antenna Connections As many as four HF or 50 MHz antennas may be connected to the rear panel Antenna jacks labeled ANT 1 ANT 4 The antenna to be used on a particular band will be memo rized once you make the selection manually via the front panel ANT switch See the Op eration section of this manual for more de tails ALC Connections The VL 1000 provides negative going ALC which provides a negative voltage to the ex citer which begins to appear when sufficient drive power from the exciter is being received the voltage becomes of greater negative magnitude if the drive is increased so as to prevent overdrive of the amplifier The voltage range provided from the VL 1000 is 0 to 10 Volts DC and this is compatible with all Yaesu transceivers as well as many exciters of other manufacture At 1000 Watts of output power the typical voltage gen
26. upply unit O 1008 PROTECTION CIRCUIT DETECTS BAND SELECTION ERROR The VL 1000 and the transceiver are set up with conflicting band selection due to a logic ee error in the Band Data matrix a failure in the renee Bann Data cable or similar problem The VL 1000 is placed in the Thru mode automatically when this occurs VL 1000 Operating Manual Page 15 Specifications eee General Frequency Coverage 160 6 Meter Amateur Bands USA Version 160 15 6 Meter Amateur Bands Power Output 1000 Watts 220V AC Input to VP 1000 Power Supply Continuous Transmission Period 100 500 W for 1 hour Case Size WHD 410 x 135 x 439 mm Weight Approx 21 kg Supply Voltage 48 VDC 12 VDC 12 VDC Power Consumption Max 48 A 48 VDC 2 8 A 12 VDC 0 1 A 12 VDC Linear Amplifier Section Excitation Power 50 80 Watts ALC Voltage output Range 0 to 10 V Nominal 4V 1000 W output Spurious Radiation less than 50 dB 160 10 Meter Amateur Bands less than 60 dB 6 Meter Amateur Band Third order IMD less than 30 dB 1000 W PEP Typical Input Output Impedance 50 Q unbalanced Automatic Antenna Tuner Section Impedance Matching Range 16 to 100 Q unbalanced 160 Meter Amateur Band 16 to 150 Q unbalanced 80 10 Meter Amateur Bands 25 to 100 Q unbalanced 6 Meter Amateur Band Frequency Range 160 6 Meter Amateur Bands Matching Time less than 10 seconds Matched SW
27. voltage from the VL 1000 does not cause the exciter drive to be controlled such that the power output from the amplifier limits at 1000 Watts do the reverse procedure from that just described First reduce the drive from the exciter until the VL 1000 s power out put is 1000 Watts Next press and hold in the DISPLAY 1 key until the output power from the amplifier is just reduced from the 1000 Watt level Now set the transceiver s Drive or Re Pwr control fully clockwise and press the DISPLAY 1 key to increase ALC voltage decrease power output or DISPLAY 2 key to decrease ALC voltage increase power output until the power output from the amplifier reaches 1000 Watts these tuning procedures should be as short as Page 12 VL 1000 Operating Manual Operation possible O Return the input transceiver to the receive mode O Press the LOW switch to select LOW power operation O Again transmit a carrier at full drive power press the DISPLAY 1 or the DISPLAY 2 key aS needed until the power output from the amplifier reaches 500 Watts Now re turn the exciter to the receive mode O Press and hold in the INPUT switch for 1 2 second to exit the ALC Alignment mode O You can align the ALC voltage of the trans ceiver that is connected to the INPUT 2 jack in the same way First select INPUT 2 via the front panel INPUT switch then follow the same procedure as described above Initial Antenna Matching Proc
28. with the cable shown on function with the selections being provided in page 4 connected between the BAND DATA the following sequence 2 jack on the VL 1000 and Remote jack on the Multi Meter 1 P ONE 14 CONTRAST Knob This knob used to adjust the LCD contrast 15 LCD Display The upper half of the display consists a 320 x 60 dot matrix display showing operating sta tus of the VL 1000 including the Graphical SWR meter The lower half contains various icons representing enabled features aa TAY Graphical SWR Meter ZMR J Afj k La SWE MOHITOR SPAH THRU AT Multi Meter 1 VL 1000 Operating Manual Page 7 Rear Panel Connectors and Switch R N CONTROL DC46V IN 1 ANTENNA Jacks Connect these type M SO 239 jacks to your antennas using large RG 213 or larger 50 Q impedance coaxial cable with mating plugs Type M PL 259 2 REMOTE Switch When this switch is in the ON position the VP 1000 s 48V DC supply voltage will be con trolled by the transceiver s power switch if you are using a Yaesu transceiver with a Bann DATA cable 3 BAND DATA 1 Jack This 8 pin DIN jack provides for a supplied control cable for the Yaesu transceivers to allow automatic band selection T R control and power on off control 4 BAND D
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