User’s Manual
144MHz Band
330W Power Amplifier
Model HL-350V
DX
TOKYO HY-POWER LABS., INC.
Page 1: ...User s Manual 144MHz Band 330W Power Amplifier Model HL 350VDX TOKYO HY POWER LABS INC...
Page 2: ...n advanced technologies This sophisticated protection gives you a warning shut down before getting into any trouble 3 Multi Metering Method The switch selected analog multi meter on the front panel re...
Page 3: ...Amp Gain 20dB 6dB 15dB selectable Accessories RF Output Meter Automatic VSWR Meter Low Noise GaAs FET RX Pre Amp Warning Protection Circuit protections for overvoltage overdrive and mis match Two Spee...
Page 4: ...e released to turn the power OFF POWER LED Lights when the POWER of TX RF amp unit is turned ON WARNING LED Lights when the power supply to the TX Amp unit is shut down due to overdrive overvoltage or...
Page 5: ...show the approximate gain of the R pre amp at each gain selection The gain can be selected by 12 RX AMP SWITCH RF OUT SWR VCC LED Indicates the scale of the multi meter being selected W SWR VCC METER...
Page 6: ...mode the output power becomes approx half the HI power At 50W input the power level cannot be switched to LO MODE FM SSB SELECTION SWITCH Selects the changeover delay time for TX RX transition when t...
Page 7: ...re to Make sure to use a power supply with a capacity of 50A minimum TX INPUT CONNECTOR TYPE N Connect the coaxial cable from the transceiver ANT OUTPUT CONNECTOR TYPE N Connect the coaxial cable from...
Page 8: ...er level and 4 Resetting of WARNING CIRCUIT shut down RF DRIVE 10W 25W 50W INPUT LEVEL SELECT SWITCH Make sure to switch to the correct position depending on the output power of the transceiver to be...
Page 9: ...turned ON VCC This is connected to the wire of the power supply cable This pin always supplies 13VDC HI LO SW When LO POWER position is selected this pin will supply 13VDC WARNING When WARNING Lamp is...
Page 10: ...e Controller HRC 60 50 Coaxial Cable 50 Coaxial Cable 144MHz Band Transceiver To Antenna SWR Meter or Throughline Watt Meter red red black black Our HP 450 63A DC power supply is available as option H...
Page 11: ...aid Center Conductor c Peel off the sheath of the center wire tip 2mm 1 12 inch Sheath Disassemble DIN Plug a Remove the plastic case from the plug Use a screw driver to raise this thin part b Remove...
Page 12: ...T or if it supplies the positive DC voltage of 2 to 15 V then solder to Pin DC Re assemble the plug Operation Check antenna SWR 1 Keep the POWER SWITCH of the HL 350VDX OFF 2 Turn ON transceiver and t...
Page 13: ...r TX Lamp on the front panel will light when the linear amplifier TX is working 6 If needed adjust the RF output power level knob of the transceiver in order not to overdrive the linear amp 7 During t...
Page 14: ...stand a continuous 300W transmission The use of a lower power designed antenna can be heated deteriorating the SWR as the time passes In that case the WARNING circuit will trip and or the amplifier ma...
Page 15: ...f the output power of the driving transceiver is within the designed input power ranges of this amplifier 5 Access To Internal Parts This amplifier is carefully assembled and adjusted with sophisticat...
Page 16: ...reduced approx half by using the POWER LEVEL SELECT SWITCH At the 50W input RL4 becomes activated to have DRIVE AMP by passed so that the RF signal directly drives MAIN AMP to the power of 300W The ma...
Page 17: ...ction circuit being installed at the output side of MAIN AMP Each detected voltage is amplified by OP Amp IC204 NJM2904D and the relay controlling transistor Q203 2SC3419Y respectively and turns OFF P...
Page 18: ...If 24VDC is inadvertently connected Zener Diode 05Z16A will not turn ON Relay Controlling Transistor Q203 2SC3419Y preventing Power Relays RL6 and RL7 from being activated 17...
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Page 20: ...entiometer or carrier level controller of XCVR turned down to the lowest level Turn the knob to half of the full level 2 The protection of HL 350VDX has tripped WARNING LED is lighting Turn OFF the po...
Page 21: ...JM2072D IC IC204 1 NJM2094D op amp IC IC203 1 NJM 4200D IC IC1 IC205 2 NJM78L05A 3 terminal regulator LED201 LED211 2 SLP 455B 51 LED yellow LED202 210 LED212 10 SLP 255B 51 LED green F3 1 1A 6 4 x 30...
Page 22: ...s horizontal VR201 1 100K ohms semi fixed variable resistors horizontal VR6 1 500 ohms semi fixed variable resistors vertical TC5 1 ECVIZW10X53T 10PF 250VDC trimmer capacitor ceramic TC6 1 ECVIZW20X53...
Page 23: ...C 6L 4m long Sold separately 8 Pin DIN Plug 4m long cable 8 Pin DIN Jack TOKYO HY POWER LABS INC TOKYO HY POWER LABS INC USA Office 1 1 Hatanaka 3 chome Niiza 6046 FM 2920 Rd Saitama 352 0012 JAPAN Su...
