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SIELCO srl

 - Via Toscana, 57/59 - 20090 BUCCINASCO (Mi) - ITALY - tel. 02 - 45713300  - www.sielco.org

EXC/RTX19 - USER & MAINTENANCE MANUAL - rev.1.5 - 05/16

     Page    43

EXC19

BROADCAST STL

SFH TRANSMITTER

1300 ÷ 2500 MHz

DIAGRAMS AND COMPONENT LAYOUT

Notes:

All components and values in the schematics are for reference only. SIELCO grants the right to change
them as required in the manufacturing process or to improve the overall perfomance

All symbols used in schematics are in accordance to IEC 60617:2012. Refer to the above mentioned
standard for their comprehension.

Summary of Contents for EXC19

Page 1: ...Rev 1 5 05 16 SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 SHF BROADCAST STL 1300 2500 MHz USER AND MAINTENANCE MANUAL...

Page 2: ...IONS 12 6 BATTERYORD C SUPPLY 14 7 SERVICE AND MAINTENANCE 17 8 GUARANTEE 17 9 SERVICEMANUAL 18 8 1 TRANSMITTERINTERNALDESCRIPTION 18 8 2 RECEIVERINTERNALDESCRIPTION 19 10 STL MANAGING FIRMWARE 20 10...

Page 3: ...is in conformity with the essential requirements and other relevantrequirementsoftheR TTEDirective 1999 5 EC Theproductisinconformitywiththefollowingstandardsand orothernormativedocuments HEALTH SAFET...

Page 4: ...dio station i e the stl the transmitters and the power amplifiers the corresponding antennas cables and connectors This will assure to achieve the best performance and stability in time Tothisaim SIEL...

Page 5: ...hieve the best possible rejection of interfering signals in the band at the expense of some frequency agility So nearly 8 10MHz may be used without any retouching but wider variation up to 50 60MHz wi...

Page 6: ...d easy to control from the front panel through a single knob Thewidealphanumericdisplayandasimpleself explanatorymenudrivesnavigationthroughthe variousoptions Asinglefastpushonthejogknobactsasan Enter...

Page 7: ...mearthinganda24V batterybackupsocketpair TheRFantennaconnector N type TheL RaudiochannelsinputsocketsonbalancedXLR typeconnectors Linputisused only with internal Stereo Encoder option The wide band ex...

Page 8: ...play four leds for immediate status control and a single output connector for IF monitoring Here too regular operation is signallized by green leds PLL Lock and Field This latter is a bi stable and li...

Page 9: ...crewforsystemearthinganda24V batterybackupsocketpair TheRFantennaconnector N type Themaincompositesignaloutput Mpx Mpx ontwoBNC typeconnectorsinantiphase permitting direct drive of two separate transm...

Page 10: ...o 0 1 0 05 typ stereo 1ch 0 30 0 20 typ 30 7500 Hz mono 0 25 0 12 typ stereo 1ch 0 30 0 20 typ Stereo crosstalk typical 50 dB 400 10000 Hz 40 dB 100 15000 Hz I O lines Alarm RF LF disable Low RF field...

Page 11: ...ncy rejection 60 dB 70 typ Dynamic selectivity 10dB typ F 300 kHz 35dB typ F 500 kHz 45dB typ F 1 0 MHz AM suppression 45 dB Usable input level 90 10dBm 7 V 70mV Sensitivity typical Sin 90dBm 7 V mono...

Page 12: ...connector at the transmitter end Appropriate software is needed for communication simpletestsmaybeperformedwithstandardWindows Hyperterminal Donot connect the cable with either transmitter or PC on P...

Page 13: ...e chosen through an internal bridge to be normally open n o or normally closed n c Factory default is n o Alternatively the relay may be assigned to Alarm Pin 6 LF disable input Base input of a common...

Page 14: ...led batteries for small systems 20 to 40 A hour rated Higher capacities like 40 100 A hour and more may be achieved at low cost from car type batteries in this case always install the batteries in a w...

Page 15: ...time i e the capability of the batteries to power up the equipment in case of mains failure may be done by considering that The manufacturers usually specify the nominal capability of a battery disch...

Page 16: ...time for some combinations of equipment and batteries which is valid only for new fully charged batteries The current absorption for EXC19 transmitter is typical for a 2400MHz version 5W output power...

Page 17: ...boratory where the characteristics can be checked against the initialonesandre calibrationcanbedonewhenneeded Internalpresetsareextremelystableand we don not recommend tampering with them if not in sp...

Page 18: ...Y THOSE IN SMT ARE NOT INTENDED TO BE REPAIRED IN CASE OF FAILURE AND MUST BE REPLACED WITH NEW ONES INTERNAL TRANSMITTER DESCRIPTION The EXC19 transmitter comprises 7 internal modules as can be seen...

Page 19: ...supply The auxiliary regulator and battery charger board The CPU controller and display board The synthesised local oscillator module 1400 2600 MHz version The LNA FI amplifier and FM demodulator boar...

Page 20: ...ce particular care must be paid to install a correctly programmed CU for the transmitter or the receiver TX19 or RX19 firmware With the exception of some specific transmitter or receiver menus the use...

Page 21: ...e if a high privacy level is not needed Ifthelevelissetto on itwillshowthedefaultmenufield 00 cf menutree requiring passwordforanyotherinformationorpre set Failuretoinsertacorrectpasswordofany level w...

Page 22: ...oosescontrolonthelowerpasswordlevels Only very few critical parameters usually factory presets require this password FACTORYDEFAULTPASSWORDS Thesearethefactorydefaultpassword Level1 P001 Level 2 P002...

Page 23: ...maticallyescapethecommandmoderesettinginputdataifthis is not confirmed in 60 seconds after the last variation In the same manner 3 minutes later of the lastinputinthesetupmenu alocaltime outwillresett...

Page 24: ...ASSWORD SETUP L 0 DISPLAY CONTRAST SETUP DATE CLOCK SETUP ELAPSED TIME COUNTER MPX LIMITER SETUP AUX INPUT SETUP MODE PREEMPHASYS SETUP 0 LEFT level 3 0dB RIGHT level 4 0dB VS2 Vs Vs 27 5V 12 5V 12 7V...

Page 25: ...nizialisation thetransmitterwillbrieflyshowthepresence YES or not NO of the internal Stereo Encoder avoiding to open the apparatus to visually inspect From this field if the security allows it will pa...

Page 26: ...The security level is as factory pre set to off for the 1st and the 2nd level in this case which isthemostcommon thereisnoneedtoinputanypasswordtofreelynavigateinthemenutreeand tochangemostparameters...

Page 27: ...Left Right Signal Level in dB This field shows the actual left and right peak modulation in dB referred to 75kHz The left channel level has no meaning in case of absence of an internal stereo encoder...

Page 28: ...egulated voltages Voltages on the EXC19 transmitter s family are nominally equal to Vs 12 5 0 3V Vs 12 4V 1 2V ThebatteryvoltageusuallyreadsVbat 27 4 0 4V whenthebatteryiscompletelychargedand mainsiso...

Page 29: ...arameters requires higherpasswordrights Turningthejogknobpermitstonavigateintomenuswhilepushingtheknob will outlinetheparametertobepreset Pushingquicklywillconfirmtheeditedparamenterwhile pushing for...

Page 30: ...willaccordinglydecreasethe modulation if a steady state test signal is applied on the inputs Field 25 AuxiliarychannelInputlevelsetup Asthepreviousone thisfieldpermitstopresettheauxiliarychannelsinput...

Page 31: ...tispossibletosetupthetransmission modes MONOR STEREO MONOL R EXT MPX and the pre emphasis time constant 0 25 50 75 s Everywhere in Europe and in most other countries the standard pre emphasis is 50 s...

Page 32: ...and code when in possession of the higher password In this case the lower level password code mustbechangedandconfirmed nopossibilitystillbeingtoknowwhatwastheoldpassword This meansthatitisalwaysposs...

Page 33: ...ixed Thefollowingtableindicatesallthem ALARM SETUP TEMPERATURE ON PLL UNLOCK ON HIGH VSWR ON LOW POWER ON OFF NO MODULATION ON OFF OVERMODULATION ON OFF TEMP AMBIENT 55 C TEMP HEATSINK XX C MAX REFL P...

Page 34: ...ection there are 3 I O lines which may be associated to corresponding pins of the parallel remote I O connector on the rear panel This submenu permits to vary the corresponding function associated to...

Page 35: ...ochoose theequipmentmodeltocontrol withitsspecificfrequencyrange asfurtherdescribed Field 40 Model and Frequency range setup Inthisfielditispossibletochooseeitherthetypeofthetransmittertocontrolandits...

Page 36: ...V 12 7V FIELD 58dBm ENTER PASSWORD CODE SETUP SIELCO ITALY RX TYPE Vers 1 XX RIGHT level 4 0dB LEFT level 3 0dB 0 OPERATION MPX 75KHz 7 1dB OPTIONS DETECTION DISPLAY CONTRAST SETUP DEEMPHASIS TIME CST...

Page 37: ...ual Thereceivedsignaliscorrectlytunedwhenitscentrefrequencyiscomprised in 6 0 kHz Field 04 Received RF field and muting Here are shown the received signal field in dBm and the possible muting interven...

Page 38: ...ght stereo channels expressed in dB where 0dB refers to 75kHz peak deviation The bottom field shows the same information as an analog moving bar These fields are shown only if the optional internal st...

Page 39: ...lighted line may be changed in LOCAL ONLY or REMOTE ONLY Incasetheapparatusisremotelylocked anytemptativetoaccesstosetupmenuwillshowthe followingmessage Pushingtwice Enter onthecontroljogwillselectthe...

Page 40: ...n Preset range is comprised in 1 5 and 12dBm Field 24 Useful Received Field and Muting setup From this field the user may vary the insertion level of the muting circuit and its intervention Suitablele...

Page 41: ...pment Stereodecoderboardisthemainoptioninthereceiver other boards may be added in the future Field 33 Alarmsetupanddisplay Asinthetransmitterhereispossibletoseeandpartiallyeditthevariousalarmcondition...

Page 42: ...n to associate to the pins with the following options Inputs PIN 6 AUDIO MUTING REMOTE LOCK Outputs PIN 2 MODULATION OK REMOTE LOCKED PIN 7 ALARM FIELD GOOD PIN 3 8 FIELD GOOD ALARM The factory defaul...

Page 43: ...OADCAST STL SFH TRANSMITTER 1300 2500 MHz DIAGRAMS AND COMPONENT LAYOUT Notes Allcomponentsandvaluesintheschematicsareforreferenceonly SIELCOgrantstherighttochange themasrequiredinthemanufacturingproc...

Page 44: ...RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 44 2A max 3 Signal 2 Signal 1 Ground RIGHT AES EBU LEFT MADE IN ITALY MPX MONITOR MODULATION AUX RS232 REMOTE 2051 24V RF OUTPUT 50 OHM POWER 110 240V...

Page 45: ...0090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 45 EXC19 TRANSMITTER 1300 2500MHz E1243 Electrical wiring diagram THE STEREO ENCODER BOARD I...

Page 46: ...COsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 46 SEXC26CON E1244 CPU CONTROLLER DISPLAY BOARD E0837 Electrical dia...

Page 47: ...iaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 47 SEXC26CON CPU CONTROLLER DISPLAY BOARD Component layout COMPONENT SIDE S...

Page 48: ...0BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 48 COMPONENTS MAY VARY DUE TO PRODUCTION ADJUSTMENTS SEXC25MB MAINBOARD I O RF CONTROL SECTION...

Page 49: ...COsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 49 SEXC25MB MAINBOARD LF PROCESS SECTION E0837 Electrical diagram 2...

Page 50: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 50 SEXC25MB MAINBOARD Component layout...

Page 51: ...ww sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 51 SEXC19OS13 26 1300 2600MHz SYNTHESISED OSCILLATOR MODULE E1226 Electrical basic diagram VALUE AND DIAGRAMS SHOWN ARE ONLY EXEMPLIF...

Page 52: ...59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 52 ASEXC18A20 2GHz RF POWER AMPLIFIER E1045 Electrical diagram COMPONENTS MAY VARY DUE T...

Page 53: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 53 ASEXC18A20 2GHz RF POWER AMPLIFIER component layout...

Page 54: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 54 SEXC23COD2 STEREO ENCODER BOARD E0868 Electrical diagram...

Page 55: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 55 SEXC23COD2 STEREO ENCODER BOARD Component layout...

Page 56: ...ASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 56 MODS4028 MODRS7524 Mains power supply modules SPECIFICATIONS Input 90 260Vac 47 60Hz Output 27 8Vdc...

Page 57: ...oscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 57 SEXC18AL 12 5V REGULATOR BATTERY CHARGER BOARD E1057 Electrical diagram com...

Page 58: ...00 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 58 SEXC19DAC AES EBU DIGITAL AND ANALOG AUDIO INPUT E1245M Electrical basic diagram VALUE AND DIAGRAMS SHOWN ARE ONLY EXEMPLIFICA...

Page 59: ...MPONENT LAYOUT Notes Forallthemoduleswhicharealsopresentonthetransmitter herenotreported pleaserefertothe relevantsectionofthemanual Allcomponentsandvaluesintheschematicsareforreferenceonly SIELCOgran...

Page 60: ...USER MAINTENANCE MANUAL rev 1 5 05 16 Page 60 FUSE T 2A L 250V POWER MONITOR 110 240V 50 60Hz 40VA 50 OHM RF INPUT 1 Ground 2 Signal 3 Signal STEREO RIGHT LEFT MONO RS232 2051 MADE IN ITALY REMOTE MPX...

Page 61: ...20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 61 THE STEREO DECODER BOARD IS MOUNTED ONLY AS AN OPTION RTX19 RECEIVER 1300 2500MHz E1241...

Page 62: ...20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 62 SRTX18FI25 LNA CONVERTER IF DEMODULATOR E1004 Electrical diagram COMPONENTS MAY VARY DUE...

Page 63: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 63 SRTX18FI25 LNA CONVERTER IF DEMODULATOR Component layout...

Page 64: ...57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 64 SRTX18MB LF I O MAINBOARD E1006 Electrical diagram COMPONENTS MAY VARY DUE TO PRO...

Page 65: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 65 SRTX18MB LF I O MAINBOARD Component layout...

Page 66: ...NASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 66 SRTX18DEC STEREO DECODER BOARD E1047 Block diagram VALUE AND DIAGRAMS SHOWN ARE ONLY EXEMPLIFICATI...

Page 67: ...SIELCOsrl ViaToscana 57 59 20090BUCCINASCO Mi ITALY tel 02 45713300 www sielco org EXC RTX19 USER MAINTENANCE MANUAL rev 1 5 05 16 Page 67 SRTX18DEC STEREO DECODER BOARD Component layout...

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