Beko HLV-1000 Скачать руководство пользователя страница 14 | Manualshive

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12. Adjustment of protection thresholds

In some cases the default adjustments are too sensitive and need some slight correction. In the
picture below all trimpots incl. their functions are shown. Turning the slots clockwise is equal
to + or upward direction and verse vice. Readjustment should be done very carefully
otherwise the effect of protection is cancelled.

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Содержание HLV-1000

Страница 1: ...1 HLV 1000 Instruction Operations Manual ...

Страница 2: ...instructions 5 4 Electrical connections 6 5 Warranty 7 6 Front panel operation 8 7 Protection circuits 9 8 Receive Transmit switching 10 9 Remote control 11 10 Cooling technique 12 11 Block diagram 13 12 Adjustment of protection thresholds 14 13 Control circuit schematic 15 14 tbt ...

Страница 3: ... EC and 99 5 EC EN 301 783 1 V1 1 1 2000 09 EN 301 783 2 V1 1 1 2000 09 EN 301 489 1 V1 6 1 2005 09 EN 301 489 15 V1 2 1 2002 08 EN 60950 1 2006 All necessary test procedures have been successfully passed Manufacturer and authorized representative BEKO ELEKTRONIK Am Längenmoosgraben 1a D 85221 Dachau GERMANY This declaration has been accomplished under unique reponsability of the manufacturer BEKO...

Страница 4: ...6 db The internal modulated power limit is kept to 1200 watts It s design is based on Freescale s rf transistor MRFE6VP61K25H Optimized output matching including h3 phase compensation and elliptic low pass filter ensure best efficiency highest 1dB compression and high spectral purity It is essential that the driving source has a narrow phase noise and high spectral purity The output signal of an a...

Страница 5: ...4 F and at humidity of less than 85 In order to avoid malfunction caused by condensation you will have to wait at least one hour before start of operation and until the condensation has been removed 6 To prevent electrical shock do not remove the cover before disconnecting the mains plug 7 The bottom openings are used as a cooling air inlet and the rear side outlet to exhaust the inside generated ...

Страница 6: ...chieve optimum driving level and maximum output power all load and source impedances should also be 50 Ohms Deviations will automatically cause limitation of the specifications and shifting of the threshold voltages of the protection circuits Operation with no load connected is not allowed 5 The RF connectors are N type Only high quality connectors with PTFE insulation must be used Neglecting will...

Страница 7: ...test CE conformity and FCC rules We grant a 2 years warranty including parts and labour beginning from the date of purchase Unauthorized use or improper handling will invalidate all claims on warranty The device is protected by an invisible seal against opening Damage of the seal will invalidate the warranty Warranty is also excluded if damages are caused by 1 Overdrive with power levels 75W or wi...

Страница 8: ...the preamplifier When returning to receive it turns the preamplifier on after switching off the RF power unit The supply voltage for the use of an external preamplifier is available on pin 4 of the CONTROL jack at the rear panel It is short circuit protected by use of a ptc fuse and supplies 15 volts 750 mA For preamps that can accept voltage feed via the coaxial cable wire pin 4 to pin 2 inside t...

Страница 9: ...rm 7 Protection circuits The HLV 1000 s internal control circuit supervises the output load condition any overdrive of the input stage and the thermal status of heat sink and power supply unit If the amount of reflected power exceeds 100 watts the protection circuit shuts off the RF unit immediately and switches the drive power to bypass mode This also happens with overdrive levels of more than 15...

Страница 10: ...er contact of the rear sided AUX jack to reliably control a connected transceiver Any potential at the inner conductor is switched to ground In essence your amplifier provides a built in multi level sequencer which provides an alternate means to key your radio last When the amplifier PTT is activated usually via a foot switch the preamp voltage is dropped first internal relays are switched the RF ...

Страница 11: ... can easily be activated by an external switch wired to ground Output power can be monitored 100 of output power is equal to 10V DC on Pin 5 Use the 7 pin DIN plug that was delivered with your amplifier and connect the other end to a suitable connector to your transceiver or other switching unit ...

Страница 12: ... rise of balun and output filter coils To achieve best airflow for cooling the air in and outlets must not be covered Do not operate the amplifier in close proximity to heaters and radiators If thermal shut down occurs you should wait until the device temperature decreases sufficiently before switching on the amplifier again Please read also our Safety instructions and Electrical connections ATTEN...

Страница 13: ...13 11 Block diagram ...

Страница 14: ... are too sensitive and need some slight correction In the picture below all trimpots incl their functions are shown Turning the slots clockwise is equal to or upward direction and verse vice Readjustment should be done very carefully otherwise the effect of protection is cancelled ...

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