R.V.R. Elettronica PJ300M, User Manual

Page 1: ...Manufactured by Italy PJ300M User Manual Volume 1...

Page 2: ...in Italy No part of this manual may be reproduced memorized or transmitted in any form or by any means eletronic or mechanic including photocopying recording or by any information storage and retriev...

Page 3: ...btain a license before using the product in intended country of use Ensure respective country licensing requirements are complied with Limitations of use can apply in respect of operating freuency tra...

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Page 5: ...7 7 1 Dimensional and Environmental Specifications 17 7 2 Electrical Specifications 17 8 Theory of Operation 19 8 1 Power supply section 19 8 2 R F Power Amplifier 20 8 3 Low Pass Filter 20 8 4 Alarms...

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Page 7: ...t assume responsibility for injury or damage resulting from improper procedures or practices by untrained unqualified personnel in the handling of this unit Please observe all local codes and fire pr...

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Page 9: ...d to R V R within five 5 days from its receipt To claim your rights under this warranty a Contact the dealer or distributor where you purchased the unit Describe the problem and ask if he has an easy...

Page 10: ...ntion all the problems found and a copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be order from the following address Be sure to includ...

Page 11: ...ry and observe for breathing if not breathing begin artificial breathing Figure 2 tilt head pinch nostrils make airtight seal four quick full breaths Remember mouth to mouth resuscitation must be comm...

Page 12: ...evated If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful...

Page 13: ...e The protection system is conceived to return the machine in its normal status if the conditions that generated the warnings were temporary The front panel includes an analog display to measure the m...

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Page 15: ...arrow If required extract the selector block levering with a screwdriver Fig 5 1 Rotate the block until the correct printed value corresponds with the arrow and then reinsert the fuse block Figure 5 1...

Page 16: ...LED being it The analog instrument joined with the rotating selector is used to visualize the working parameters of the unit Fig 5 2 Figure 5 2 Rotating Selector Position Full Scale Value Visualizati...

Page 17: ...any human supervision for its normal operation If any alarm condition arise these are automatically managed by the embedded protection system if the protection system doesn t succed in re establishing...

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Page 19: ...h the button to reset the alarm status 4 On Off Mains switch 5 Line AC line indicator 6 Air Filter Air filter of the power amplifier 7 Alarms Alarms indication LEDS TEMP Overheating SWR ANT Antenna SW...

Page 20: ...nd voltage changer Use a screwdriver to change the fuse or the mains voltage Rotate the block to select the desired voltage 7 Mains Voltage Socket Mains voltage socket 8 RF Module Fuse RF module prote...

Page 21: ...l SWR 15 V fault 7 GND 0 V 8 Operate 15V 9 Internally connected 10 Internally connected 11 Internally connected 12 Internally connected 13 Internally connected 14 Internally connected 15 Internally co...

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Page 23: ...e 10 C 50 C Umidity 95 Maximum without condensation 7 2 Electrical Specifications A C power supply selectable 100 120 220 240 V 10 50 60 Hz Cooling Forced ventilation Frequency range 87 5 MHz 108 MHz...

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Page 25: ...dary windings A 30 0 30 V B 16 0 16 V and C 0 36V The A output is used to drive the switching mode power supply B is connected to the alarms card and the output C supplies the soft start circuit The s...

Page 26: ...gs 3 5 V Idq 200 mA The active device employed is a power MOSFET BLF278 8 3 Low Pass Filter The filter attenuates the spurious emissions of the amplifier under the levels allowed by the international...

Page 27: ...0 25 07 03 9 Identification and Access to Modules 9 1 Modules Identification top view 1 Low pass filter 2 Switching mode power supply PSSW5010 3 Alarms card 4 RF power amplifier module 5 Transformer...

Page 28: ...ll the screws that are located on the top cover of the machine After the cover has been removed it is possible to extract and replace the modules that you may identify with the help of chapter 9 1 The...

Page 29: ...9 3 4 Soft Start Card Replacement With the help of the wiring diagram shown in Appendix take the note of the cable position Disconnect M1 and M2 connectors Disconnect M3 Dismount the four securing scr...

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Page 31: ...ge of 5 0V if this value is different adjust R59 to obtain the correct voltage Switch off the amplifier and reconnect the power supply to the RF module 10 2 R F Power Amplifier Module Adjustment After...

Page 32: ...his replacement is really necessary After changing the board connect the amplifier as shown in the figure Switch on the PJ300M Pot the measurement selector on position V Adjust the trimmer R14 on the...

Page 33: ...flected power adjust the trimmer R56 on the alarms card until the protection SWR ANT is triggered NOTE This setting may vary with the working frequency it is preferable to make this adjustment at the...

Page 34: ...the RF input connector of the amplifier a suitable exciter able to deliver a variable power of 20 W max Connect one of the two connectors alarms interlock of the amplifier to the appropriate connecto...