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R.V.R. Elettronica HC3 Manual

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HC3
TECHNICAL AND MAINTENANCE MANUAL
Manufactured by R.V.R. Elettronica -
Italy

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Summary of Contents for R.V.R. Elettronica HC3

  • Page 1 TECHNICAL AND MAINTENANCE MANUAL Manufactured by R.V.R. Elettronica - Italy...
  • Page 2 HC3 - Technical and Maintenance Manual 3 KW 3-Way Hybrid Splitter & Combiner Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 2...
  • Page 3 HC3 - Technical and Maintenance Manual INDEX Preliminary Instructions and Warranty Information Pag. 5 Safety Regulations Pag. 7 SECTION 1 General Description Pag. 10 Electrical Specifications (Table A) Pag. 12 Dimensional & Environmental Specifications (Table B) Pag. 13 SECTION 2 Electrical Description Pag.
  • Page 4 HC3 - Technical and Maintenance Manual Telemetry Card Pag. 56 Remote Card Pag. 60 R.V.R. Elettronica S.r.l. (Bo) Pag. 4...
  • Page 5 HC3 - Technical and Maintenance Manual PRELIMINARY INSTRUCTIONS AND WARRANTY INFORMATION WARNING: This is a "CLASS A" equipment. In a resident place this equipment can cause hash. In this case can be requested to user to take the necessary measures.
  • Page 6 HC3 - Technical and Maintenance Manual The warranty for a period of 12 months is referred to any R.V.R. product, while for products as transistors, Mos-Fets and Tubes of the final stages is applied the manufacture's warranty of these devices.
  • Page 7 R.V.R. ELETTRONICA s.r.l. shall not be responsible for injury or damage resulting from improper procedures or from the use of improperly trained or inexperienced personnel performing such tasks.
  • Page 8 HC3 - Technical and Maintenance Manual Treatment of electrical Shock 1) If victim is not responsive follow the A-B-C's of basic life support. PLACE VICTIM FLAT ON HIS BACK ON A HARD SURFACE A AIRWAY B BREATHING IF UNCONSCIOUS, IF NOT BREATHING,...
  • Page 9 HC3 - Technical and Maintenance Manual FIRST-AID Personnel engaged in the installation, operation, maintenance or servicing of this equipment are urged to become familiar with first-aid theory and practices. The following information is not intended to be a complete first-aid procedure, it is brief and is only to be used as a reference.

  • Page 10: External Description

    DESCRIPTION 1.1 EXTERNAL DESCRIPTION The HC3 is housed in a 3U, 19" rack. On the front panel there are: four alarms leds (3-7-8-9 Fig.1), the button for the Alarms Reset Fig.1), two signalling leds (1-2 Fig.1) for A.C. line presence and external Stand-By, the anlog meter (5 Fig.1) and the relative selector of the parameters...

  • Page 11: Device Specifications

    HC3 - Technical and Maintenance Manual and exciting power overdrive (4 Fig.1). 1.4 DEVICE SPECIFICATIONS Refer to table A for electrical specifications of the HC3, and table B for dimensional and enviromental specifications. R.V.R. Elettronica S.r.l. (Bo) Pag. 11...

  • Page 12: Specifications

    HC3 - Technical and Maintenance Manual TABLE A ELECRICAL SPECIFICATIONS A.C. Power 117 or 230V ± 10% 50-60 Hz Max. Rating power 3.6 KW - for HC3 version Cooling Forced ventilation Operating Frequency from 87.5 to 108 MHz Power Splitter Section...
  • Page 13 HC3 - Technical and Maintenance Manual TABLE B MECHANICAL SPECIFICATIONS Chassis dimensions 132.5 mm (5.2") H 507.5 mm (19.98") D 447 mm (17.6") W Panel dimensions 483 mm (19") W 132.5 mm (5.2") H Ambient operating temp. from -10°C to +50°C...
  • Page 14 HC3 - Technical and Maintenance Manual CHAPTER 2 ELECTRICAL DESCRIPTION 2.1 INTRODUCTION This section describes, in detail, the operating theory of the HC3. To aid understandig, the unit has been subdivided into blocks, each of which is fully described below. A block diagram is shown in Fig.4.
  • Page 15 HC3 - Technical and Maintenance Manual 2.5 REMOTE CARD This Card mounted on the right side of the equipment in rear position, allows to switch off the Auxiliary Out A.C. Line in case of any faulty of the equipment. 2.6 POWER SPLITTER The Power Splitter circuit mounted on the rear part of the equipment on the right side, is used to splitt exciter's driving power to three amplifiers.

  • Page 16: Front Panel

    HC3 - Technical and Maintenance Manual FRONT PANEL DESCRIPTION (FIG. 1) EXT. ST.BY Led indicating an External Stand-By A.C. ON Power indicator OVER DRIVE Led indicating the OVER DRIVE Alarm Status ALARMS RESET Press-button to reset the Alarm Status METER...
  • Page 17 HC3 - Technical and Maintenance Manual FRONT PANEL (FIG. 1) R.V.R. Elettronica S.r.l. (Bo) Pag. 17...

  • Page 18: Rear Panel

    HC3 - Technical and Maintenance Manual REAR PANEL DESCRIPTION (FIG. 2) VOLTAGE CHANGER & Fuse Block and Line Voltage Selector. A.C. LINE FUSE Use a small screwdriver to change the fuse or line voltage. Rotate the block and position it for the desired voltage.
  • Page 19 HC3 - Technical and Maintenance Manual REAR PANEL (FIG. 2) R.V.R. Elettronica S.r.l. (Bo) Pag. 19...
  • Page 20 HC3 - Technical and Maintenance Manual BLOCK DIAGRAM (FIG. 3) R.V.R. Elettronica S.r.l. (Bo) Pag. 20...

  • Page 21: Installation

    This equipment is just supplied with all connecting cables marked with the indication of the position in which must be connected. To install the HC3 coupler is necessary to execute the following operations: This equipment is able to operate from 4 different supply voltages: 100, 120, 220 or 240 Vac, at 50-60 Hz.
  • Page 22 HC3 - Technical and Maintenance Manual Now, connect the A.C. Line to the equipment and switch ON all parts of the station. Check on the front panel that all alarms leds are OFF. 10) Check with the analog meter placed on the front panel that all working parameters are rights.

  • Page 23: Recommended Test Equipment

    HC3 - Technical and Maintenance Manual TABLE C RECOMMENDED TEST EQUIPMENT INSTRUMENT MODEL SPECIFICATION Non-Inductive Bird 50 Ohm P = 5 KW Dummy Load Mod.8891-300 with BA-300-115 Non-Inductive Bird 50 Ohm P = 150 W Dummy Load Mod. 8166 continuous...

  • Page 24: Maintenance Procedures

    HC3 - Technical and Maintenance Manual CHAPTER 4 MAINTENANCE PROCEDURES 4.1 INTRODUCTION This chapter provides general maintenance procedures of the Combiner. 4.2 SAFETY CONSIDERATIONS WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! When the transmitter is working, removing the top panel will expose lethal voltages on the line voltage selector.
  • Page 25 HC3 - Technical and Maintenance Manual Disconnect connectors CN1, CN3, M1 and M3. Remove the knob of the meter selector loosening the screw inside the knob. Dismount the screws of the meter selector switch and Alarms Reset push-button. Slowly remove the card paying attention to signaling leds.
  • Page 26 5.3 OVERDRIVE CALIBRATION To realize this callibration execute the following operations: Connect to RF output of the HC3, an external by-pass wattmeter in series to a dummy load with the necessary power to the system considered (see as reference SETUP 1).
  • Page 27 5.4 UNBALANCING POWER READING CALIBRATION To realize this callibration execute the following operations: Connect to RF output of the HC3, an external by-pass wattmeter in series to a dummy load with the necessary power for the system considered (see as reference SETUP 2).
  • Page 28 HC3 and on the external wattmeter. 5.7 REFLECTED POWER READING CALIBRATION To realize this callibration execute the following operations: Connect to input 1,2 and input 3 of the HC3, two dummy loads with R.V.R. Elettronica S.r.l. (Bo) Pag. 28...
  • Page 29 5.8 ANTENNA S.W.R. THRESHOLD CALIBRATION To realize this callibration execute the following operations: Connect to input 1,2 and input 3 of the HC3, three dummy loads with adeguate power to the system considered (see as reference SETUP 4). Connect one of three amplifiers to Output of the HC3 with an external wattmeter in series.
  • Page 30 Adjust trimmer "UNBAL F. BACK ADJ" placed on the rear panel of HC3 to obtain an output power reduction when the system is unbalanced; this operation must allow the restart of the blocked amplifier.
  • Page 31 HC3 - Technical and Maintenance Manual APPENDIX A CIRCUIT DIAGRAMS, LAYOUTS AND BILLS OF MATERIAL This section contains circuit diagrams, layouts and bills of material of the modules which composing the equipment. For more information about each module see as reference Section 2.

  • Page 32: Wiring Diagram

    HC3 - Technical and Maintenance Manual WIRING DIAGRAM Wiring Diagram Pag. 33 R.V.R. Elettronica S.r.l. (Bo) Pag. 32...
  • Page 33 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 33...
  • Page 34 HC3 - Technical and Maintenance Manual POWER SPLITTER Circuit Diagram Pag. 35 Bill of Materials Pag. 36 Layouts Pag. 37 R.V.R. Elettronica S.r.l. (Bo) Pag. 34...
  • Page 35 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 35...
  • Page 36 HC3 - Technical and Maintenance Manual Power Splitter Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 3 R2,R3,R4 50 KDI RES. DI TERM. (KDI) RDT250H0050 1 R1 RESISTOR 1/4W 5% RSC1/4JH0100 1 C21 3p3MA...
  • Page 37 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 37...
  • Page 38 HC3 - Technical and Maintenance Manual POWER COUPLER Circuit Diagram Pag. 39 Bill of Materials Pag. 40 Layouts Pag. 41 R.V.R. Elettronica S.r.l. (Bo) Pag. 38...
  • Page 39 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 39...
  • Page 40 HC3 - Technical and Maintenance Manual Power Coupler Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R3 RESISTOR 1/4W 5% RSC1/4JH0047 1 R1 RESISTOR 1/4W 5% RSC1/4JH0068 1 R2 RESISTOR 1/4W 5% RSC1/4JH0270...
  • Page 41 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 41...
  • Page 42 HC3 - Technical and Maintenance Manual UNBAL POWER CARD Circuit Diagram Pag. 43 Bill of Materials Pag. 44 Layouts Pag. 45 R.V.R. Elettronica S.r.l. (Bo) Pag. 42...
  • Page 43 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 43...
  • Page 44 HC3 - Technical and Maintenance Manual Unbal. Power Card Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R1 50/800W TER RES. TERMINAZIONE 800W RDT800H0050 1 R2 RESISTOR 1/4W 5% RSC1/4JK0001 1 C1 CERAMIC CAPACITOR NP0...
  • Page 45 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 45...
  • Page 46 HC3 - Technical and Maintenance Manual UNBALANCING POWER MEASURE CARD Circuit Diagram Pag. 47 Bill of Materials Pag. 48 Layouts Pag. 49 R.V.R. Elettronica S.r.l. (Bo) Pag. 46...
  • Page 47 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 47...
  • Page 48 HC3 - Technical and Maintenance Manual Unbal. Power Maeasure Card Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R10 RESISTOR 1/4W 5% RSC1/4JH0010 3 R7,R8,R9 1K 1% RESISTOR 1/4W 1% RSM1/4FK0001 3 R4,R5,R6 10K 1%...
  • Page 49 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 49...
  • Page 50 HC3 - Technical and Maintenance Manual ALARMS CARD Circuit Diagram Pag. 51 Bill of Materials Pag. 53 Layouts Pag. 55 R.V.R. Elettronica S.r.l. (Bo) Pag. 50...
  • Page 51 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 51...
  • Page 52 HC3 - Technical and Maintenance Manual Alarms Card Bill Of Materials/Lista Componenti Page 1 Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R35 RESISTOR 1/4W 5% RSC1/4JH0330 1 R39 RESISTOR 1/4W 5% RSC1/4JH0470 1 R51 680* RESISTOR 1/2W 5%...
  • Page 53 HC3 - Technical and Maintenance Manual Alarms Card Bill Of Materials/Lista Componenti Page 2 Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R40 TC10K TRIM. REG. VERT. CERMET RVTCERVK0010 2 R11,R13 TC22K TRIM. REG. VERT. CERMET RVTCERVK0022 1 R26 TC100K TRIM.
  • Page 54 HC3 - Technical and Maintenance Manual Alarms Card Bill Of Materials/Lista Componenti Page 3 Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 RL1 RELAY S/R RELAY SET / RESET 12V RLDMZP-R2 1 SW1 P1V 2P PULSANTE 1 VIA 2 POS...
  • Page 55 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 55...

  • Page 56: Telemetry Card

    HC3 - Technical and Maintenance Manual TELEMETRY CARD Circuit Diagram Pag. 57 Bill of Materials Pag. 58 Layouts Pag. 59 R.V.R. Elettronica S.r.l. (Bo) Pag. 56...
  • Page 57 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 57...
  • Page 58 HC3 - Technical and Maintenance Manual Telemetry Card Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 9 R15,R16, 1K 1% RESISTOR 1/4W 1% RSM1/4FK0001 R17,R19, R20,R22, R23,R24,R25 1 R18 RESISTOR 1/4W 5% RSC1/4JK0001 1 R21...
  • Page 59 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 59...

  • Page 60: Remote Card

    HC3 - Technical and Maintenance Manual REMOTE CARD Circuit Diagram Pag. 61 Bill of Materials Pag. 62 Layouts Pag. 63 R.V.R. Elettronica S.r.l. (Bo) Pag. 60...
  • Page 61 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 61...
  • Page 62 HC3 - Technical and Maintenance Manual Remote Card Bill Of Materials/Lista Componenti Page Item Quantity Reference Part Description Part Order Code ________________________________________________________________________________________________ 1 R4 RESISTOR 1/4W 5% RSC1/4JK01,8 1 R5 4K7 1% RESISTOR 1/4W 1% RSM1/4FK04,7 1 R3 10K 1%...
  • Page 63 HC3 - Technical and Maintenance Manual R.V.R. Elettronica S.r.l. (Bo) Pag. 63...
  • Page 64 HC3 - Technical and Maintenance Manual © Copyright 1994 Fourth Edition - September ’97 Created By D’Alessio D. & Morotti M. R.V.R. Elettronica S.r.l. (Bo) Via del Fonditore 2/2c - 40138 - Bologna (Italy) Telephone: + 39 - 51 - 6010506 Fax: + 39 - 51 - 6011104 Printed and bound in Italy.

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