F860 User Manual
Contents
1. Safeguards AMACOM PROFESSIONAL SERIES Product Inspection Inspect the equipment for shipping damage Should any damage be discovered immediately file a claim with the carrier Important Safety Instructions To ensure proper installation and operation take a moment to read this guide before proceeding with the installation If you have any questions or comments about the F860 Fixed Modulator please contact your dealer or have him contact the PICO MACOM Service Center at the phone number on the bottom of the page The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE DO NOT OPEN THE CABINET REFER SERVICING TO QUALIFIED PERSONNEL ONLY TO PREVENT ELECTRIC SHOCK DO NOT USE THE POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE 1 Read Instructions All safety and operating instructions should be2. Z MACOM PROFESSIONAL SERIES Fixed Modulator Installation and Operation Manual Operation Manual Rev 11 05 2 AMACOM Description gt Fixed Modulator gt Re broadcast quality performance gt Integrated BTSC Stereo optional gt 60 dBmV minimum adjustable output for optimum carrier to noise performance gt Preemphasis defeat switch provides easy stereo conversion gt Precision SAW filter for superior adjacent channel performance enables drop in channel expansion Front panel controls and test point enable ease setup and monitoring Y P Digital display provides quick channels identification and easy modulation adjustment Carrier to noise ratio gt 65 dB ensures superior picture quality Composite and separate audio and video IF loops allow compatibility with encoders ghost cancellers and video override applications MPX stereo loop provides encoded stereo input and compatibility with Emergency Alert equipment gt IRC and HRC input and output offset Fixed Modulator available for frequency setting in systems using offset channels The MACOM F860 is a professional re broadcast grade microprocessor controlled phase locked loop synthesized single channel audio video modulator available with an optional BTSC stereo encoder The F860 provides 60 dBmV minimum output while accommodating HRC and IRC offset frequencies The optional BTSC encode
3. read before the appliance is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the appliance should be adhered to 4 Follow Instructions All operating and user instructions should be followed 5 Cleaning Unplug this appliance from wall outlet Use a damp cloth for cleaning Do not use liquid cleaners or aerosol cleansers 6 Do Not Use Attachments not recommended by the manufacturer they may cause hazards 7 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to persons and serious damage to the appliance 8 Damage Requiring Service Disconnect this product from the system and refer servicing to qualified service personnel under the following conditions a If liquid has been spilled or objects have fallen into the product b If the product has been exposed to rain or water c If the product does not operate normally by following the operating instruction Adjust only those controls that are covered by the operating instructions An improper adjustment may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation d If the product has been dropped or the cabinet has been damaged e When the product exhibits a distinct change in performance this indicates a need for servi
4. to a TV set and compare the contrast and brightness to a known signal use off air signal to insure a proper modulation level If necessary adjust the video modulation until proper contrast is observed 6 Connect an audio source to the AUDIO IN on rear of the unit Set audio modulation peak deviation to 25 kHz with the audio modulation adjustment A known off air signal and a TV may be used to set adjustment for equal audio level 7 Connect the RF OUTPUT to a combining network FREQUENCY OFFSETS The Federal Communications Commission requires that cable system modulators which operate in the aircraft communications and navigation bands are offset in frequency by 12 5 kHz The F860 PLL oscillator is factory set to comply with FCC requirements for frequency accuracy x5 kHz in the aeronautical communication and navigation bands FREQUENCY CHANNEL NUMBER OFFSET 121 2625 137 7625 MHz 14 15 16 12 5 kHz 109 2750 119 7750 MHz A 2 1 98 99 25 kHz 229 2625 329 7625 MHz gt 25 41 12 5 kHz 331 275 335 775 MHz FF 42 25 kHz 337 2625 401 7625 MHz GG QQ 43 53 12 5 kHz Harmonically Related Coherent HRC video carriers and Incrementally Related Coherent IRC video carriers are CATV channel assignment methods to reduce the effect of beat products The technique is used in expensive phase locked headends where all units are tied to a master 6 0003 MHz oscillator with a maximum error of 1 Hz 6 Ph
5. 800 421 6511 www picomacom com PICO macom Rev 11 05 PMACOM Installation mr RR OOO y a a Signal Combining Methods The output levels of the modulator should be the same as the output of the off air strip amplifiers The F860 modulators are usually combined with either the DSP806 channel processors or XBS series strip amplifiers Three methods are suggested to combine strip amplifier modulator and processor outputs The C860 twenty four channel combiner consists of two rows of directional couplers combined by a hybrid splitter The directional coupler combining provides high isolation gt 40 dB between the inputs Normally the odd channels are combined on one row while even channels are combined on the other row of directional couplers The combiner loss is 28 30 dB per channel Used with an L860 distribution launch amplifier the system s RF output provides high quality distortion free programming The CHC 16U 860 provides both signal combining and post amplification of the headend signals Up to 16 channels may be combined using the CHC 16U 860 The combiner gain is 15 dB per channel The final method of combining signals uses three hybrid splitters per headend rack The odd channels are combined in one splitter the even channels in another splitter and the two splitters are combined to a single output with a third splitter Each rack is then combined with a final splitter prior to the CA 30RK1000 or L860 post
6. SERIES Lo fec ecce a Connections and Controls 4 000 amp C3 N F860 Fixed Modulator vipeb wonuLAmIoN LeveL bo s outeur test pz VAS wee 0 lr nM LEFT MONO RIGHT 25 Ins 30 dB PROFESSIONAL SERIES CO C 5 Es O O epee D MONO STEREO m PE 9 our our of 6 MX our our E E 8 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE NS NS NS QF 9U HAZARD USE ONLY WITH AME TYPE 0 5A 125V FUSE CD 69 4969 6907 969 02 22 82 1 Video Modulation Level Green LED indicates correct video modulation level 2 Audio Modulation Level Green LED indicates correct audio deviation level 3 AN Ratio Adjustment Used to set level of audio carrier 4 Video Modulation Adjust Used to set the video depth of modulation 5 Left Right Stereo Level Adjust Used to set left or right channel audio level Active only with stereo option 6 Mono Adjustment Used to set mono level 7 Channel Display Indicates which channel is active 8 Offset Indicator LEDs Indicate if standard or offset formats are active 9 Offset Selector Used to select standard or offset formats 10 4 5
7. amplifier A860 60dBmV Ch 2 A C860 24 CH COMBINER 30dB V S F860 60dBmV Ch 3 A T O 10dBmV DSP806 60dBmV Ch 4 550 FORWARD OUTPUT RETURN PATH INPUT ATTENUATOR PAD if necessary 30dBmV RETURN PATH OUTPUT RF IN 10dBmV 60dBmV Ch 5 TO DISTRIBUTION SYSTEM zr Turri Chs 6 7 8 etc CAMERA ANY AUDIO VIDEO SOURCE SUB BAND RETURN PATH VIDEO 55 SUB BAND MODULATOR INPUT LEVEL WILL VARY REFER TO AUDIO RF OUT CHANNEL LOADING SPECIFICATIONS 4 PICO MACOM Ph 800 421 6511 www picomacom com Rev 11 05 Warranty EE gt Five Year Limited Warranty Pico Macom Inc warrants to the original purchaser this product shall be free of defects in material and craftsmanship with only the limitations or exclusions set out below During the warranty period Pico Macom Inc or an authorized Pico Macom service facility will provide free of charge the parts and labor necessary to correct defects in material and workmanship Warranty Duration This warranty shall terminate five years from the original date of purchase of the product or at a time the product is Misused or damaged due to neglect or improper installation Modified Repaired by someone other than the warrantor Sold by the original purchaser Poe Statement of Remedy To obtain such a
8. warranty service contact the salesperson where the product was obtained You will be issued a Return Authorization RA number which will be used to track your product Be prepared to provide 1 The model number and channel number of the product 2 The date of purchase 3 A specific identification of the problem Deliver the products to Pico Macom Inc or ship the products in the original packing material to the address below Include satisfactory evidence of the date of purchase Products will not be accepted by Pico Macom Inc without the RA number clearly indicated on the shipping label The foregoing constitutes the Pico Macom Inc entire obligation with respect to this product and the original purchaser and any user or owner shall have no other remedy and no claim for incidental or consequential damages Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusions or limitation of incidental or consequential damages so the above limitation and exclusion may or may not apply to you This warranty gives you specific legal rights and you also have rights which vary from state to state U S A PICO MACOM Pico Macom Inc 6260 Sequence Drive San Diego California 92121 WARRANTY 8 Ph 800 421 6511 www picomacom com 4 PICO Rev 11 05
9. B Impedance 75 ohms Dimensions 19 L x 1240 x Impedance 75 ohms Differential Gain 296 typ 1 75 H Frequency Stability 3 kHz Differential Phase lt 1 typ Weight 7 8 16 Audio Video Ratio 10 to 20 dB Chrom Lumin Delay 8 ns Connectors RF amp Video F type Adjustable Hum and Noise 60 dB Audio 600 ohms terminal strip Output Return Loss 18 dB In Band Spurious 62 dB AUDIO INPUT RELATED PRODUCTS Out of Band Spurious 65 dB Level Mono 0 5 V p p 1 V p p D860 Agile A V Stereo Demodulator In Band gt 62 dBc Level Left Audio 0 5 V p p 1 V p p EAS 12B Emergency Override System C N Out of Band gt 65 dBc Level Right Audio 0 5 V p p 1 Vp p C860 Bi Directional Combiner Frequency Response 1 5 dB max L860 Bi Directional Launch Amplifier IF OUTPUT Impedance 600 ohms A860 Agile Modulator Video Level 38 dBmV Preemphasis 75 us switchable DSP806 HDTV Agile Channel Processor Audio Level 22 dBmV Composite Level 35 dBmV MPX BTSC STEREO Video Stability 3 kHz Level 2 2 V p p Audio Stability 2 kHz Impedance 500 ohms Impedance 75 ohms Frequency Response 1 dB 50 Hz 14 kHz Total Harmonic 4 5 MHZ INPUT Distortion 0 376 Level 37 dBmV S N 75 dB Impedance 75 ohms Separation 35 dB 50 Hz 12 kHz Ordering Information F860 Fixed Channel Modulator F860S Stereo Fixed Channel Modulator 4 rico Ph 800 421 651 1 www picomacom com 3 Rev 11 05
10. MHz Level Used to adjust 4 5 MHz level 11 Output Level Used to set RF output level 12 30 dB Test Point Used to monitor RF output level 13 RF Output Port Connect this port to distribution system 14 Composite Input Input from scrambler or output 15 Composite Output input or to scrambling device 16 Video Input 45 75 MHz Video carrier input from video scrambling device or video carrier output macom 17 18 19 20 21 22 23 24 25 26 27 28 800 421 6511 e Video Output 45 75 MHz Video carrier output to scrambling device or video carrier input Audio Input 41 25 MHz Sound carrier input from audio scrambling device or sound carrier output Audio Output 41 25 MHz Sound carrier to audio scrambling device or sound carrier input 4 5 MHz Input Input for BTSC stereo encoder operation MPX Out Used to provide MPX output to additional modulators when internal stereo encoder is present eliminating need for additional encoders MPX In Out Loop the MPX Input and Output when internal stereo encoder is used Video Loop In Connect baseband video to this port Video Loop Out This port provides the video sync to external PM SE stereo encoder Mono Stereo Switch Selects either mono or stereo modes Stereo mode i
11. ce 9 ReplacementParts Whenreplacementparts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original parts 4 800 421 6511 Rev 11 05 www picomacom com 10 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating conditions EXAMPLE OF ANTENNA GROUNDING ACCORDING TO NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810 RADIO AND TELEVISION EQUIPMENT SERVICE ENTRANCE CONDUCTORS STANDOFF b INSULATORS MAST SERVICE ENTRANCE EQUIPMENT ANTENNA LEAD IN WIRE ANTENNA c DISCHARGE UNIT TO EXTERNAL ANTENNA POWER SERVICE GROUNDING TERMINALS OF PRODUCT ELECTRODE SYSTEM e g interior metal water pipe GROUND WIRE GROUND CLAMPS OPTIONAL ANTENNA GROUNDING ELECTRODE DRIVEN 8 FEET 2 44M INTO THE EARTH IF REQUIRED BY LOCAL CODES SEE NEC SECTION 810 21 f BONDING JUMPER NOTE TO THE CATV SYSTEM INSTALLER THIS REMINDER IS PROVIDED TO CALL THE CATV SYSTEM INSTALLER S ATTENTION TO ARTICLE 820 22 OF THE NEC THAT PROVIDES GUIDELINES FOR PROPER GROUNDING AND IN PARTICULAR SPECIFIES THAT THE CABLE GROUND SHALL BE CONNECTED TO THE GROUNDING SYSTEM OF THE BUILDING AS CLOSE TO THE POINT OF CABLE ENTRY AS PRACTICAL 4f rico macom Z MACOM PROFESSIONAL
12. r enables delivery of high fidelity stereo without the cost of a stand alone stereo encoder This cost effective modulator was designed for use in heavily loaded systems requiring high stability and superior picture and stereo sound quality Its phase locked loop frequency control and superior SAW filtering enhance stability minimize adjacent channel interference and assure accurate and spurious free output Superior out of band carrier to noise performance is achieved through band pass filtering at the output amplifier The modulator is shipped with all internal adjustments preset FCC Docket 21006 offsets are standard The MACOM line is backed by an industry leading 5 year limited warranty 2 Ph 800 421 6511 www picomacom com 4f Pico macom Rev 11 05 Z MACOM PROFESSIONAL SERIES Specifications Fixed Modulator F860 Fixed Modulator gt VIDEO MODULATION LEVEL S e 4 ZMACOM EE 8 CO A PROFESSIONAL SERIES Front View amp Or Ov Or O eB pee ae Rear View Specifications RF OUTPUT VIDEO INPUT GENERAL Frequency Range 54 456 MHz Level 0 7 1 0 V p p Power Input 90 260 VAC 28 W Level 60 dBmV min Frequency Response 1 0 dB max Operating Temperature 10 to 50 Level Adjustment 20 d
13. s only present on stereo encoder equipped models Audio Input Left Right and Mono Accepts any baseband audio output Source such as a satellite receiver VCR security camera or cable converter RS485 Not active at the present time Power Cord Receptacle Connect power cord to this receptacle The switching power supply accepts any input voltage from 90 to 260 VAC www picomacom com 5 Rev 11 05 Installation a MAEM Go O 0 Installation Procedures Adherence to these precautions will help prevent problems during initial installation of the F860 1 Connect an jumper from the composite output to the composite input on the rear panel Connect jumper from the video output to the video input on the rear panel Connect jumper from the audio output to the audio input on the rear panel 2 Connect the F860 to a 115 VAC grounded receptacle Observe the front panel LEDs indicating the unit is active 3 Using a signal level meter or spectrum analyzer set the output level to 60 dBmV 4 Check the aural carrier level It should be set at 15 dBmV below the video carrier WARNING When connecting the F860 directly to a TV set attenuate the output sufficiently to prevent overdriving the TV The front panel test point is useful for monitoring modulator output 5 Connect a 1 0 volt peak to peak video source to the VIDEO IN on rear panel Connect the RF OUT
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