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BROADCAST EQUIPMENT

Via G. Amendola 9

44028 Poggio Renatico

Ferrara - Italy

Tel : +39 532 829 965

Fax : +39 532 829 177

E-mail:

[email protected]

Web Site:

http://www.elenos.com

Summary of Contents for T30000

Page 1: ...BROADCAST EQUIPMENT Via G Amendola 9 44028 Poggio Renatico Ferrara Italy Tel 39 532 829 965 Fax 39 532 829 177 E mail info elenos com support elenos com Web Site http www elenos com...

Page 2: ...5 FAX 39 532 829 177 The constructor reserves the right to modify the information in this manual at any time without advising update 2000 Elenos S r l Printed in Italy Cod MAN0035 21 10 1996 Prelimina...

Page 3: ...Hand Book T30000 3 Technical Office TEL 39 532 829 965 FAX 39 532 829 177...

Page 4: ...STEM 20 TUNING INSTRUCTIONS 21 OPERATIONAL LIMITS 23 PERIODIC MAINTENANCE 24 ADJUSTMENT OF THE FILAMENT VOLTAGE 25 REMARKS ON ELECTRICAL DIAGRAMS 26 LINE VOLTAGE DIAGRAM CONNECTION 27 PART LIST TRANSM...

Page 5: ...2 829 177 Electrical diagram E20127 1 of 6 47 Part list E20127 53 Layout E20128 62 Electric diagram E20128 63 Part list E20128 64 Layout E20131 65 Electric diagram E20131 66 Part list E20131 67 E20138...

Page 6: ...ssion of frequency modulation total deviation 150 KHz using a thermionic tube in an amplifying cavity with adjustable input and output frequency tuning Conceived as the final stage in a transmission s...

Page 7: ...Hand Book T30000 7 Technical Office TEL 39 532 829 965 FAX 39 532 829 177...

Page 8: ...T 9500V ANODE EFFICENCY 70 75 ANODE CURRENT IA TYP 1 9A 4 5A ANODE CURRENT IA MAX 4 8A GRID CURRENT IG TYP 200 mA 500 mA GRID CURRENT IG MAX 1A BIAS VOLTAGE TYP V BIAS 35 230V FILAMENT VOLTAGE range V...

Page 9: ...d in order to extend the life of the thermionic tube if the RF power required is less than the nominal value see technical notes on the filament The high voltage anode power supply 7500 volts DC is ge...

Page 10: ...potentiometers located on the card E20131 x behind the front panel see circuit diagrams 2 V HT selects the reading of the anode supply voltage 10KV f s d DC 3 V BIAS selects the reading of the cathod...

Page 11: ...by the anode circuits is too high If the impedance of the radiating system is incorrect or unstable it is possible that large fluctuations of grid current will be experienced with likely intervention...

Page 12: ...the preheating cycle TIMER ACTIVITY before restoring normal operation The principle causes of anomalies can be related to problems of air pressure within the amplifying cavity see relevant paragraph o...

Page 13: ...ted to the line supply This provides useful information for the purpose of periodic maintenance A switch on the front panel controls the supply of power to all the internal circuits of the amplifier W...

Page 14: ...Hand Book T30000 14 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 FRONT PANEL...

Page 15: ...ry low values of parasitic inductance of the connections to the T30000 the amount of electrical energy of atmospheric origin can only be partially controlled in terms of personal safety by earth conne...

Page 16: ...ifferent for the two types of connection and can be determined from the technical table defining values of current absorption of the line supply Each country has its regulations concerning the section...

Page 17: ...which in the majority of cases comprises one or more intermediate driver stages and an FM exciter modulator The connections to the preceding amplification stages and the modulator are of two types ra...

Page 18: ...possible to cause permanent damage to the equipment Remove the top panel of the unit Remove the hot air exit flue above the amplifying cavity after having disconnected the thermal probe tied to the fl...

Page 19: ...taken with the connection to the radiating system as the principal cause of functional problems within the first few hours of operation is caused by an inefficient RF load The connection phase of the...

Page 20: ...on off switches of all the transmitter components of the system At this point the T30000 is ready to operate and follows the following start up sequence the following front panel indicators will ligh...

Page 21: ...the final stage first INPUT TUNING bottom right then INPUT IMPEDANCE bottom left in order to minimise the reflected power reading of the preceding driver stage Increment again the modulator power kee...

Page 22: ...tion effect will disappear and the final stage will accept the higher level of input power to achieve maximum performance WARNING It is worth repeating that each adjustment of ANODE IMPEDANCE must be...

Page 23: ...condensing If fluctuations in line voltage are very large the whole system should be adjusted taking account that the RF power output can exceed the safety limits of the equipment or the radiating sy...

Page 24: ...nic tube see chapter regarding filament voltage adjustment Every three months periodic alignment of the amplifier tuning is necessary to compensate for consumption of the thermionic tube This is essen...

Page 25: ...power level with the front panel open to allow adjustment of the low power trimmer potentiometer located on card E20127 x reference P6 2 Rotate the trimmer clockwise for 3 or 4 turns this will reduce...

Page 26: ...sarm the machinery and in order to tune the radio frequency amplifier cavity The electrical schemes have split up in two categories connection schemes between different unity and relative schemes of e...

Page 27: ...Hand Book T30000 27 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 LINE VOLTAGE DIAGRAM CONNECTION...

Page 28: ...et 2 Part List of Sheet 2 Sheet 3 Part List of Sheet 3 Sheet 4 Part List of Sheet 4 Sheet 5 Part List of Sheet 5 Sheet 6 Part List of Sheet 6 Sheet 7 Part List of Sheet 7 E20123 Part List of E20123 E2...

Page 29: ...Hand Book T30000 29 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 1...

Page 30: ...st of Sheet 1 Terminals array 1 6 contact 5 with fuse Terminals array 1 8 contact Main Switch 380 V 25 A Switch HT 1 400V 3 Phase 45 KW Switch HT 2 400V 3 Phase 45 KW T PROT 1 Thermal Protection 29A 3...

Page 31: ...Hand Book T30000 31 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 2...

Page 32: ...2 Bridge type KBPC250G D3 Bridge type KBPC250G D4 Bridge type KBPC250G D5 Bridge type KBPC250G D6 Bridge type KBPC250G D7 Bridge type KBPC250G D8 Bridge type KBPC250G D9 Bridge type KBPC250G D10 Bridg...

Page 33: ...Hand Book T30000 33 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 3...

Page 34: ...532 829 965 FAX 39 532 829 177 Part list sheet 3 R1A Wire Resistor 35x100 20 ohm R1B Wire Resistor 35x100 20 ohm R1C Wire Resistor 35x100 20 ohm Meas Tranf Transformer 1 1 20V 20V Filament Transforme...

Page 35: ...Hand Book T30000 35 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 4...

Page 36: ...t list sheet 4 MOV 1 MOV type S20K 275 MOV 2 MOV type S20K 275 MOV 3 MOV type S20K 275 MOV 4 MOV type S20K 275 MOV 5 MOV type S20K 275 MOV 6 MOV type S20K 275 MOV 7 MOV type S20K 275 MOV 8 MOV type S2...

Page 37: ...Hand Book T30000 37 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 5...

Page 38: ...Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Part list sheet 5 PWR Meter 100uA f s M3D R PWR Meter 100uA f s M3D TEST Meter 100uA f s M3D IA Meter 100uA f s M3D IG Meter 100uA f s M3D S T 2...

Page 39: ...Hand Book T30000 39 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 6...

Page 40: ...22 pF C3 Ceramic F P Capacitor 1000 pF C4 Ceramic Capacitor 4700 pF C5 Ceramic F P Capacitor 1000 pF C6 Ceramic Capacitor 4700 pF C7 Ceramic F P Capacitor 1000 pF C8 Ceramic Capacitor 4700 pF C11 Cer...

Page 41: ...Hand Book T30000 41 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Sheet 7...

Page 42: ...ing Output Motor Motor type 36 10 5 Tuning Input Motor Motor type 36 10 5 Coupling Input Motor Motor type 1 61 013 325 Anode Tuning Switch Switch Togle 2 Way 3 Pos 131FL Anode Impedance Switch Switch...

Page 43: ...Hand Book T30000 43 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Layout E20123 3 Cathode bias and signals conveyor board...

Page 44: ...Hand Book T30000 44 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20123 3...

Page 45: ...12 Resistor 0 25W 49 9 1 R14 Resistor 5W 0 12 1 R15 Resistor 5W 0 12 1 P1 Trimmer type 67WR100 P2 Trimmer type 67WR100 C1 Ceramic Capacitor 100nF 63V C2 Ceramic Capacitor 100nF 63V C3 Ceramic Capacito...

Page 46: ...Hand Book T30000 46 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Layout E20127 General control board layout...

Page 47: ...Hand Book T30000 47 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 1 of 6...

Page 48: ...Hand Book T30000 48 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 2 of 6...

Page 49: ...Hand Book T30000 49 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 3 of 6...

Page 50: ...Hand Book T30000 50 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 4 of 6...

Page 51: ...Hand Book T30000 51 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 5 of 6...

Page 52: ...Hand Book T30000 52 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electrical diagram E20127 6 of 6...

Page 53: ...100 0 25 W 1 R21 Resistor 1 M 0 25 W 1 R22 Resistor 34 K 0 25 W 1 R23 Resistor 100 0 25 W 1 R24 Resistor 1020 0 25 W 1 R25 Resistor 1020 0 25 W 1 R26 Resistor 100 0 25 W 1 R27 Resistor 1 M 0 25 W 1 R2...

Page 54: ...5 W 1 R77 Resistor 10 M 0 25 W 1 R78 Resistor 10 K 0 25 W 1 R80 Resistor 1 K 0 25 W 1 R81 Resistor 4750 0 25 W 1 R82 Resistor 10 K 0 25 W 1 R83 Resistor 10 K 0 25 W 1 R84 Resistor 10 K 0 25 W 1 R85 Re...

Page 55: ...25 W 1 R129 Resistor 100 K 0 25 W 1 R130 Resistor 10 K 0 25 W 1 R131 Resistor 10 K 0 25 W 1 R132 Resistor 10 K 0 25 W 1 R133 Resistor 475 K 0 25 W 1 R134 Resistor 150 K 0 25 W 1 R136 Resistor 150 0 5...

Page 56: ...5 R181 Resistor 10 K 0 25 W 1 R182 Resistor 6810 0 25 W 1 R183 Resistor 6810 0 25 W 1 R184 Resistor 10 K 0 25 W 1 R185 Resistor 10 K 0 25 W 1 R186 Resistor 10 K 0 25 W 1 R187 Resistor 10 K 0 25 W 1 R1...

Page 57: ...F 50V C32 Ceramic Capacitor 4 7 nF 50V C35 Ceramic Capacitor 4 7 nF 50V C36 Ceramic Capacitor 4 7 nF 50V C37 Ceramic Capacitor 4 7 nF 50V C38 Ceramic Capacitor 4 7 nF 50V C39 Ceramic Capacitor 4 7 nF...

Page 58: ...uF 63V C84 Ceramic Capacitor 4 7 nF 2KV C85 Electr Vert Capacitor 10 uF 35V C86 Electr Vert Capacitor 10 uF 35V C87 Electr Vert Capacitor 1000 uF 40V C88 Ceramic Capacitor 4 7 nF 50V C89 Electr Vert C...

Page 59: ...acitor 10 uF 35V C133 Ceramic Capacitor 100 nF 63V C134 Ceramic Capacitor 100 nF 63V C135 Ceramic Capacitor 100 nF 63V C136 Ceramic Capacitor 100 nF 63V C137 Ceramic Capacitor 100 nF 63V C138 Ceramic...

Page 60: ...type 1N4007 D47 Diode type 1N4007 D48 Diode type BY255 D49 Diode type 1N4007 D50 Diode type 1N4007 D51 Diode type 1N4007 D52 Diode type 1N4148 D53 Diode type 1N4148 D54 Diode type 1N4148 D55 Diode typ...

Page 61: ...r 2 pin RL1 Relay Finder type 40 31 RL2 Relay Finder type 40 31 RL3 Relay Finder type 40 31 CN1 ANSLEY connector 2x10 pin CN2 ANSLEY connector 2x10 pin CN3 ANSLEY connector 2x10 pin CN4 AMP connector...

Page 62: ...Hand Book T30000 62 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Layout E20128...

Page 63: ...Hand Book T30000 63 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electric diagram E20128...

Page 64: ...K 0 25 W 1 R3 Resistor 49 9 0 25 W 1 C1 Paper Capacitor 0 1 uF 1000 V 5 MOV1 MOV type S20K 275 MOV2 MOV type S20K 275 MOV3 MOV type S20K 275 D1 Diode type P600K D2 Diode type P600K D3 Diode type P600...

Page 65: ...Hand Book T30000 65 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Layout E20131...

Page 66: ...Hand Book T30000 66 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 Electric diagram E20131...

Page 67: ...istor 0 5W 330 5 R21 Resistor 0 5W 330 5 R22 Resistor 0 5W 330 5 R23 Resistor 0 5W 330 5 R24 Resistor 0 5W 330 5 R25 Resistor 0 5W 330 5 R26 Resistor 0 5W 330 5 R27 Resistor 0 5W 330 5 R28 Resistor 0...

Page 68: ...N4007 DL1 Led type HLMP 2685 DL2 Led type HLMP 2685 DL3 Led type HLMP 2685 DL4 Led type HLMP 2685 DL5 Led type HLMP 2685 DL6 Led type HLMP 2685 DL7 Led type HLMP 2685 DL8 Led type HLMP 2685 DL9 Led ty...

Page 69: ...Hand Book T30000 69 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 E20138...

Page 70: ...stor 1 M 0 25 W 1 R21 Resistor 1 M 0 25 W 1 R22 Resistor 1 M 0 25 W 1 R23 Resistor 1 M 0 25 W 1 R24 Resistor 1 M 0 25 W 1 R25 Resistor 1 M 0 25 W 1 R26 Resistor 1 M 0 25 W 1 R27 Resistor 1 M 0 25 W 1...

Page 71: ...Hand Book T30000 71 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 E20144...

Page 72: ...177 Part list E20144 PCB1 Board E20144 0 D3 Diode type A12FR120 D4 Diode type A12F120 D5 Diode type A12FR120 D6 Diode type A12F120 D7 Diode type A12FR120 D8 Diode type A12F120 D9 Diode type A12FR120...

Page 73: ...Hand Book T30000 73 Technical Office TEL 39 532 829 965 FAX 39 532 829 177 E20139 Interface board optional...

Page 74: ...r 5mm 4 7 nF 50V C6 C7 Mylar capacitor 5mm 100 nF 63V C8 C9 C10 Ceramic Capacitor 5mm 4 7 nF 50V C11 Electrolytic vert capacitor 10 uF 35V D1 D4 Diode type 1N4148 D5 Diode type 1N4007 D6 D13 Diode typ...

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