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Barco PULSAR BG User Manual

Manual is about: TV MODULATOR PULSAR BG

Summary of PULSAR BG

  • Page 1

    Barco nv communication systems th. Sevenslaan 106 b-8500 kortrijk (belgium) tel.: +32.56.233.211 fax: +32.56.233.461 e-mail: support.Bcs@barco.Com website: http://www.Barco.Com tv modulator pulsar bg user’s manual serial number: edition: november 10th 1998 part number: v598736/07.

  • Page 3: Contents

    P ulsar bg contents page 1-1 contents 1 general description................................................................................................................ 1-1 2 specifications...............................................................................................................

  • Page 4

    Contents p ulsar bg page 1-2 6.2 l ayout ......................................................................................................................................... 6-4 6.2.1 installation of a vhf or an agile filter module ..................................................................

  • Page 5: 1  General Description

    P ulsar bg general description page 1-1 1 general description pulsar: the ultimate modulator the p ulsar is a tv modulator used to convert baseband audio and video signals into rf output signals ready to go into your cable network. Barco’s p ulsar is one of the first intelligent tv modulators in the...

  • Page 7: 2  Specifications

    P ulsar bg specifications page 2-1 2 specifications all specifications are measured with the rf output terminated with a passive load of 75 ohm. 2.1 general specifications • ambient temperature range within specs 10 to 40 °c ( 50 to 104 °f ) operation 0 to 45 °c ( 32 to 113 °f ) storage -20 to 80 °c...

  • Page 8

    Specifications p ulsar bg page 2-2 2.3 rf output • connector bnc • output impedance 75 ohm • return loss ≥ 15 db between fv - 1 mhz and fv + 5.5 mhz; ref. = fv • frequency 1 channel between 45 mhz and 600 mhz or 1 channel between 600 mhz and 890 mhz or an agile module (option) for the ranges 5 mhz t...

  • Page 9

    P ulsar bg specifications page 2-3 irt two carrier stereo • if sound carriers 33.4 mhz and 33.158 mhz • preemphasis 50 µs • frequency response 30 hz - 15 khz; tolerance : ± 0.5 db; ref. = 100 hz • distortion 30 hz - 15 khz at ± 30 khz deviation: • s/n ratio ≥ 62 db (quasi peak detector) at ± 30 khz ...

  • Page 11: 3  Internal Layout

    P ulsar bg internal layout page 3-1 3 internal layout main video aux video vis if snd if com p if vid out rf out aux c if in in out out out ou t in main aux in in in ref vid aux if if c w ref audi o subc aud io inpu ts st at us & cont rol fus e r s 485 cif in rf out up converter channel filter rf am...

  • Page 13: 4  Installation

    P ulsar bg installation page 4-1 4 installation 4.1 rack mounting when mounting the p ulsar units, use 19 inch racks, preferably those with a depth of at least 70 cm. The units should be mounted adequately, so as to secure optimal operation and reliability of your unit. Use sliders compatible with t...

  • Page 14

    Installation p ulsar bg page 4-2 4.2.1 power supply 230 vac the fuse is a 0.5 at (slow blow) fuse, ordernumber c314115. Use 250 v type fuses only. 4.2.2 power supply -48 vdc the p ulsar can be equipped with a -48 vdc power supply, typically demanded in telecom environ- ments. The -48 vdc power suppl...

  • Page 15

    P ulsar bg installation page 4-3 vis if out in 4.3 input & output connectors main video baseband video signal input for the main program. Bnc type connector (loop through in option) vis if (optional) vision if loop input & output. This if loop can be used in combination with if loop scramblers. F ty...

  • Page 16

    Installation p ulsar bg page 4-4 if cw out (optional) when the p ulsar is equipped with the reference carrier output option or vision reference carrier output the signal will be available on this connector bnc type connector aux if in (optional) when the option composite if auxiliary input is instal...

  • Page 17

    P ulsar bg installation page 4-5 4.3.1 rs-485 remote control the rs-485 remote control connector is a 9-pins subd male connector. All important modulator parameters such as rf level, modulation depth, audio deviation and all possible functional selections can be remotely controlled from a pc with b ...

  • Page 18

    Installation p ulsar bg page 4-6 4.3.2.2 status & control the lower row of the screw terminal is used as a status & control connector. Via these hard contacts (ttl level) it is possible to control certain parameters of the modulator. Pin function 1 main / aux output 2 b input main sound coder contro...

  • Page 19: Analog Part He

    P ulsar bg installation page 4-7 4.4 installing the pulsar 4.4.1 rear panel of the p ulsar main video aux video vis if snd if comp if vid ref rf out aux cif in in out out out out in main aux in in in ref vid aux if if cw ref audio subc audio inputs status & control fuse rs 485 rf output composite if...

  • Page 20

    Installation p ulsar bg page 4-8 4.4.3 audio connections the impedance and the balance of the input can be changed by means of jumpers on the mainboard. The factory setting is: balanced audio inputs with 600 ohm impedance. The factory settings correspond to the “ ___ ” sign on the jumpers br17 to br...

  • Page 21: 4.5  Remote Control

    P ulsar bg installation page 4-9 4.5 remote control 4.5.1 general the rs-485 remote control connector is a 9-pins subd male connector. All important modulator parameters such as rf level, modulation depth, audio deviation and all possible functional selections can be remotely controlled from a pc wi...

  • Page 22

    Installation p ulsar bg page 4-10 4.5.2 communication example and installation for rosa a communication example is shown in the figure below. The communication between the headend and the dispatching center in this example is established via a modem. The telephone network (pstn) is used to communica...

  • Page 23: 5  Operation

    P ulsar operation page 5-1 5 operation 5.1 front panel description front panel display the settings of the active menu are displayed on the front panel display. Pulsar mod : 90% 030/30 khz menu push buttons the menu push buttons are used to select and change settings. Enter esc user arrows: to scrol...

  • Page 24

    Operation pulsar page 5-2 auto: only with the option aud/vid aux input and main scrambled/aux unscrambled there is the possibility to switch automatically to the auxiliary input when main video is lost. Modulation selection buttons the modulation selection buttons are used to change the modulation p...

  • Page 25: 5.2  Using The Menu Keys

    P ulsar operation page 5-3 5.2 using the menu keys when starting up the unit or when the unit is in operation, the menus are locked: the lock button is lit up green and the display back-light is switched off. The channel name is displayed on the first line. The name can be entered in the settings / ...

  • Page 26

    Operation pulsar page 5-4 5.3 system configurations 5.3.1 menu overview system status lock config commport baudrate: 19200 recall user: execute save as user: execute recall factory: execute units: dbmv lcd contrast: 100 % rf output off view alarms: video loss conv pll unlock if pll unlock video loss...

  • Page 27

    P ulsar operation page 5-5 5.3.2 setting up communication make following settings in the config menu to enable the p ulsar to send and receive data to and from the c opernicus e lement m anager . 1. Commport messages: enabled 2. Commport addres: range: 01h to 7eh each p ulsar must have an unique com...

  • Page 28

    Operation pulsar page 5-6 5.3.3.6 view hardware configuration this submenu displays the hardware configuration of the unit. The table below gives an overview of all possible messages. P ulsar h ardware c onfiguration second sound carrier mrs/yes in case of a two carrier stereo system standard bg tv ...

  • Page 29

    P ulsar operation page 5-7 5.3.4 alarms and errors if the status key is blinking red, there are alarms or errors that are not acknowledged yet. If you press the status key, the view alarms menu appears. If an alarm condition is over, that alarm is removed from the list. P ulsar alarm list rf output ...

  • Page 30: 5.4  Settings

    Operation pulsar page 5-8 5.4 settings rf output level: 60 dbmv slope control: _ _ _ _ _ _ _ _ _ _ _ _ _ _ flat calibrate slope: execute settings level mode freq if off, the s/v ratio and audio dev will be displayed as ’----’. S/v ratio: -10 db - - - - - - - - - - - - - - - tilt down clamp: vagc: mo...

  • Page 31

    P ulsar operation page 5-9 5.4.2 rf output level the rf output level can be set between 50 and 60 dbmv in steps of 0.5 db. The factory setting is 60 dbmv. 5.4.3 s/v ratio the s/v ratio can be changed between –8 and –20 db. The factory setting is – 13 db. In case of two sound carriers: the s1/v and s...

  • Page 32

    Operation pulsar page 5-10 • clamping the video clamper is used to hold the blanking level constant, regardless of the changes in the average picture level. Two different methods of clamping are selectable: back porch or sync tip clamping. Back porch clamping is used in most cases and is based upon ...

  • Page 33: 5.5  Modulation

    P ulsar operation page 5-11 5.5 modulation mod: vagc=off _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 90% modulation audio video indicates the modulation depth reference value. Mod: = 90% vagc=wht _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 90% mod: = 90% vagc=syn _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 90% audio dev: _ _ _ _...

  • Page 34: 5.6  Input

    Operation pulsar page 5-12 5.6 input the basic version of the p ulsar only has a main video input. When unlocking the p ulsar , the main button lights up and the default screen is displayed. When pushing the aux or auto button you will get the following messages: ! Option not ! ! Installed ! Input s...

  • Page 35: 6.1  Installation

    P ulsar installation filter module page 6-1 6 installation filter module 6.1 installation see the layout diagram for the correct locations of the boards, connectors and screws 6.1.1 opening the p ulsar : • unplug the power cord to switch off the p ulsar . • unscrew the nine screws (torx 10) holding ...

  • Page 36

    Installation filter module pulsar page 6-2.

  • Page 37

    P ulsar installation filter module page 6-3 6.1.5 closing the p ulsar • put the bottom cover back onto the chassis. • tighten the nine screws (torx 10) while pressing the bottom cover down. • turn the p ulsar upright. • put the top cover onto the chassis. • tighten the nine screws (torx 10) while pr...

  • Page 38: 6.2  Layout

    Installation filter module pulsar page 6-4 6.2 layout 6.2.1 installation of a vhf or an agile filter module cif in rf out up converter power supply main board freq level mode settings > pulsar tv modulator system status lock config audio video modulation input aux auto main rf test -20 db enter esc ...

  • Page 39

    P ulsar installation filter module page 6-5 6.2.2 installation of an uhf filter module cif in rf out up converter power supply main board freq level mode settings > pulsar tv modulator system status lock config audio video modulation input aux auto main rf test -20 db enter esc user red connector ma...

  • Page 40: 6.3  Settings

    Installation filter module pulsar page 6-6 6.3 settings as soon as the p ulsar has been powered up, the new frequency programmed in the eprom of the filter module will be read. In the menu freq , the new frequency and name will be displayed for a channelized p ulsar . In case of an agile filter: the...

  • Page 41: 7  Options

    P ulsar options page 7-1 7 options 1. Audio/video aux input (p001) 2. Irt stereo coder (p010) 3. Main scrambled/aux unscrambled substitution (p002) 4. Nicam intercarrier input(p005) 5. Combined sound & vision if auxiliary input (cif) (p009) 6. Video loop through (p003) 7. If vision/if sound loops (p...

  • Page 43: 1 Description

    P ulsar audio / video auxiliary input page 1 1 description the audio / video auxiliary input for automatic fall-back switching enables the switching between main and auxiliary baseband input signals. With the front panel on “auto” the circuit will check the presence of sync pulses in the main video ...

  • Page 44

    Audio/video auxiliary input p ulsar page 2 3.2 installing the audio/video aux input board: • bridges to be set on the mainboard: bridge function position* br15 enables / disables the audio/video auxiliary input board non-default br16 only when a stereo coder board is installed enables / disables the...

  • Page 45: 4 Layout

    P ulsar audio / video auxiliary input page 3 4 layout 4.1 input selections br5: default = 75 ohm non-default = loop through br 5 br 1 br 2 br 3 br 4 j3 75 ohm split pen position audio / video auxiliary input audio left audio right br1 br2 br3 br4 balanced unbalanced 600 ohm 10k ohm balanced unbalanc...

  • Page 46

    Audio/video auxiliary input p ulsar page 4 4.2 internal layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel fil...

  • Page 47

    P ulsar audio / video auxiliary input page 5.

  • Page 48: 5 Settings

    Audio/video auxiliary input p ulsar page 6 5 settings • connect video and audio signals to the main and aux inputs. The aux video input is standard loop through. If necessary use the 75 ohm termination delivered with the accessory set. • select the main input. • select mode • scroll into the mode se...

  • Page 49

    P ulsar audio / video auxiliary input page 7 • select config • scroll in the config menu with the left or right arrow for the main to aux delay. • change the value to the desired main to auxiliary input delay by the up or down arrow. • the selectable delay time is 1 to 120 seconds. • confirm by pres...

  • Page 51: 1 Description

    P ulsar stereo coder (irt) page 1 1 description a mono p ulsar can be converted into analogue two carrier stereo modulator only by plugging in the irt stereo coder board on the mainboard. The second sound carrier will be automatically activated and the appropriate menus will be added or changed. The...

  • Page 52

    Stereo coder (irt) p ulsar page 2 2.3 closing the p ulsar • put the bottom cover back onto the chassis. • tighten the nine screws (torx 10) while pressing the bottom cover down. • turn the p ulsar upright. • put the top cover onto the chassis. • tighten the nine screws (torx 10) while pressing the t...

  • Page 53: 3 Alignment

    P ulsar stereo coder (irt) page 3 3 alignment • select factory recall in the config menu, press the down arrow and enter . • p15 (on the mainboard) has been aligned for mono, thus needs to be realigned. • for the alignment: - connect any kind of video (1 vpp) to the input. - in the menu mode , scrol...

  • Page 54: 4 Layout

    Stereo coder (irt) p ulsar page 4 4 layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel filter rf amplifier pow...

  • Page 55: 5 Settings

    P ulsar stereo coder (irt) page 5 5 settings automatically some menus will be adapted: • in the menu audio , there are now two bars indicating the deviation for each sound carrier. Refer to the chapter 3: alignment for more details. • in the menu level , scroll to s/v ratio where you can see the fol...

  • Page 57: 1 Description

    P ulsar bg main scr/aux unscr page 1 1 description a p ulsar equipped with this option is able to work with specified (see warning) scrambled video on the main (scrambled) input. An unscrambled signal will be placed on the aux input. If the detector does not find any signal at the main input, the p ...

  • Page 58

    Main scr/aux unscr p ulsar bg page 2 connection diagram scrambler - pulsar (1/2) dc coupled video processing board audio selector scrambler j56 j61 j62 j53 j54 br21 br1 br23 sync separator u57 ref video main input aux input 75e unscrambled video unscrambled video figure 1 : connection diagram scramb...

  • Page 59

    P ulsar bg main scr/aux unscr page 3 connection diagram scrambler - pulsar (2/2) dc coupled video processing board audio selector scrambler j56 j61 j62 j53 j54 br21 br1 br23 sync separator u57 ref video main input aux input 75e unscrambled video unscrambled video figure 3 : connection diagram scramb...

  • Page 60: 2 Specifications

    Main scr/aux unscr p ulsar bg page 4 2 specifications - video/audio specifications ...................................................... Unchanged - dc-offset ................................................................................ ±0.5 v (adjustable) 3 installation please read this chapter...

  • Page 61

    P ulsar bg main scr/aux unscr page 5 3.2 installing the main scr / aux unscr substitution boards • the following jumpers on the mainboard must be set: bridge function position* br15 enables / disables the audio selector board non-default br16 enables / disables the audio selector board non-default b...

  • Page 62

    Main scr/aux unscr p ulsar bg page 6 • if the option stereo coder is installed following two items must be configured: bridge function position* br1 retrieve sync pulses of the scrambled input from vid ref input / mainboard down * down as seen from the front. Cable from to sync pulses cable* j1 on t...

  • Page 63: 4 Layout

    P ulsar bg main scr/aux unscr page 7 4 layout 4.1 input configuration br 1 br 2 br 3 br 4 j3 split pen position audio selector audio left audio right br1 br2 br3 br4 balanced unbalanced 600 ohm 10k ohm balanced unbalanced 600 ohm 10k ohm audio input settings on the audio selector board.

  • Page 64

    Main scr/aux unscr p ulsar bg page 8 4.2 internal layout 9 62 54 main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel f...

  • Page 65: 5 Settings

    P ulsar bg main scr/aux unscr page 9 5 settings - in the aux status the p ulsar works as in a standard configuration. - when selecting the main input, note that the item about clamping, video agc and modulation depth measurement in the mode menu is not available anymore. • select the main input. • s...

  • Page 66

    Main scr/aux unscr p ulsar bg page 10 • select the config button • select the main to aux delay with the up and down arrow. • select the delay time (between 1 and 120 seconds) with the up and down arrow. • confirm by pressing enter . System status lock config main to aux delay: 005 sec selectable be...

  • Page 67: 6 Alignment

    P ulsar bg main scr/aux unscr page 11 6 alignment to align the p ulsar with scrambled signals. • connect a test signal with full white (1 vpp) to the aux input. Use the aux loop through to connect the same signal to the scrambler. The scrambler output is then connected to the main input. Now the sam...

  • Page 69: 1 Description

    P ulsar bg audio subcarrier input page 1 1 description installation of this option into the p ulsar offers the possibility to connect an external audio subcarrier that will be mixed with the internal vision carrier. This external carrier is used instead of or together with the internal sound carrier...

  • Page 70

    Audio subcarrier input p ulsar bg page 2 observe precaution for handling electrostatic sensitive devices. Electrostatic discharge (esd) can damage the electronic components. Therefore it is required to work in a static-save work station. 3.2 installing the audio subcarrier board • bridges to be set ...

  • Page 71

    P ulsar bg audio subcarrier input page 3 3.4 closing the p ulsar • put the bottom cover back onto the chassis. • tighten the nine screws (torx 10) while pressing the bottom cover down. • turn the p ulsar upright. • put the top cover onto the chassis. • tighten the nine screws (torx 10) while pressin...

  • Page 72: 4 Layout

    Audio subcarrier input p ulsar bg page 4 4 layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audi o in pu ts st at us & control fus e r s 485 out cif in rf out up converter channel filter rf ampli...

  • Page 73: 5 Settings

    P ulsar bg audio subcarrier input page 5 5 settings 5.1 settings main input • connect an audio subcarrier signal to the audio subc main input on the rear panel. The level must be within the agc range from +37 till +50 dbmv. • select the m ain input. • select mode . • scroll into the mode settings wi...

  • Page 74

    Audio subcarrier input p ulsar bg page 6 vid/a sub-c fm a 5.5 mhz audio subcarrier is connected externally. Mixed with a vc of 38.9 mhz this audio subcarrier will result in an audio carrier of 33.4 mhz. If there is a stereo coder installed, a 5.5 mhz audio subcar- rier combined with a 5.74 mhz audio...

  • Page 75

    P ulsar bg audio subcarrier input page 7 5.2 settings aux input settings level mode freq define aux input: vid/asub-c fm input aux auto main basically, the procedure is the same. • connect now the signal to the audio subc aux input on the rear panel. • to do the alignment refer to chapter 6: alignme...

  • Page 76: 6 Alignment

    Audio subcarrier input p ulsar bg page 8 6 alignment 6.1 alignment of an fm audio subcarrier • connect a fm subcarrier (5.5 mhz) signal to the audio subc input. • connect a spectrum analyzer to the rf output of the p ulsar . • check the selected s/v ratio in the level menu and on the spectrum analyz...

  • Page 77: 1 Description

    P ulsar bg composite if aux input page 1 1 description with the option composite if aux input it is possible to switch to an alternate cif source. This source can be an if backup or if channel. The input is alc (automatic level controlled) referred to the vision carrier. The input level ranges betwe...

  • Page 78

    Composite if aux input p ulsar bg page 2 3.1 opening the p ulsar • unplug the power cord to turn off the p ulsar . • unscrew the nine screws (torx 10) holding the top cover. • pull the top cover backwards and remove it. • loosen the nine screws (torx 10) holding the bottom cover. • remove the bottom...

  • Page 79

    P ulsar bg composite if aux input page 3 3.4 closing the p ulsar • put the bottom cover back onto the chassis. • tighten the nine screws (torx 10) while pressing the bottom cover down. • turn the p ulsar upright. • put the top cover onto the chassis. • tighten the nine screws (torx 10) while pressin...

  • Page 80: 4 Layout

    Composite if aux input p ulsar bg page 4 4 layout main vide o aux vide o vis if snd if com p if vid out rf out aux c if in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol fus e r s 485 cif in rf out up converter channel filter rf a...

  • Page 81: 5 Settings

    P ulsar bg composite if aux input page 5 5 settings this option is only available as an auxiliary input. • in the menu mode , you can select the compif aux input in the item define aux input. • confirm by pressing enter . If the option audio/video auxiliary input is installed, the p ulsar switches a...

  • Page 82: 6 Alignment

    Composite if aux input p ulsar bg page 6 6 alignment • do not forget to select the aux input. • start with a factory recall in the config menu, to start with the default settings. Be aware that all the settings will be lost. One can store these settings first in the user settings memory by means of ...

  • Page 83

    P ulsar bg composite if aux input page 7.

  • Page 85: 1 Description

    P ulsar bg video loop through page 1 1 description the option video loop through provides the p ulsar with a loop through output on the main video input. With this option it is possible to connect other devices to the same video source. E.G. A mosaic generator. 2 installation please read this chapte...

  • Page 86

    Video loop through p ulsar bg page 2 • cable connections to be made. Cable from to video loop through cable right* main video connector j52 on the mainboard * right as seen from the front. In case the option main scrambled / aux unscrambled is installed: • bridges to be changed on the dc coupled boa...

  • Page 87: 3 Layout

    P ulsar bg video loop through page 3 3 layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fuse r s 485 out cif in rf out up converter channel filter rf amplifier p...

  • Page 89: 1 Description

    P ulsar bg if vision / if sond loops page 1 1 description the if vision signal as well as the if sound 1 signal can be taken from the p ulsar . Another device will use these if signals (or one of them) and put the processed signal back to the p ulsar . Such a device is e.G. A scrambler. 2 specificat...

  • Page 90

    If vision / if sound loops p ulsar bg page 2 • cable connections to be made cable from to if vision input cable (n° 44) left* if vision connector (in) j44 on the mainboard if vision output cable (n° 43) right* if vision connector (out) j43 on the mainboard *left and right as seen from the front. Sou...

  • Page 91: 4 Layout

    P ulsar bg if vision / if sond loops page 3 4 layout main vid eo aux vid eo vis if snd if com p if vid ref rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel filter rf amp...

  • Page 93: 1 Description

    P ulsar bg reference carrier input page 1 1 description if this option is installed, the output frequency is referred to an external reference which will provide higher frequency stability. It will also be possible to lock a group of modulators to one reference. The possible external reference frequ...

  • Page 94

    Reference carrier input p ulsar bg page 2 3.2 installing the reference carrier board if needed, solder the three pins of the two supporting plates in the correct place. (see layout diagram) • cable connections to be made. Cable from to reference input cable ref in connector j2 on the optional board ...

  • Page 95: 4 Layout

    P ulsar bg reference carrier input page 3 4 layout main vide o aux vide o vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol fus e rs 4 85 out cif in rf out up converter channel filter rf ...

  • Page 96: 5. Settings

    Reference carrier input p ulsar bg page 4 5. Settings the default situation is the selection of the internal 10 mhz reference carrier. Select in the config menu the item config ref carr input. Scroll with the up and down arrow until internal appears. Confirm with enter . However, it is possible to s...

  • Page 97: 1 Description

    P ulsar bg separate if outputs page 1 1 description with this option separated vision if and sound if outputs are available. The composite if output will be no longer available but the connectors on the rear panel get another function. If this option is al- ready built in, the converter part is not ...

  • Page 98: 3 Installation

    Separate if outputs p ulsar bg page 2 3 installation please read this chapter carefully before installing the option. The installation procedure is only necessary when ordering this option sepa- rately. When ordering a p ulsar with separate if outputs, the installation has already been carried out d...

  • Page 99

    P ulsar bg separate if outputs page 3 • cable connections to be made. Cable from to power supply cable 1 (yellow) j6 on the sep if output board j2 on the interconnection board power supply cable 2 (pre- installed) j21 on the mainboard (already installed) j1 on the interconnection board first sound c...

  • Page 100: 4 Layout

    Separate if outputs p ulsar bg page 4 4 layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel filter rf amplifier...

  • Page 101: 5 Alignment

    P ulsar bg separate if outputs page 5 5 alignment start the alignment with executing factory recall in the config menu. System status lock config factory recall: execute after a factory recall the three output levels are put on +40 dbmv. It is possible to do some fine tuning with the potentiometer p...

  • Page 102: 6 Settings

    Separate if outputs p ulsar bg page 6 6 settings after installing this option the display concerning the sound / vision ratio in the level menu will be changed. 6.1 mono p ulsar the default setting for the s/v ratio is 0 db with a range from 0 to -15 db. Settings level mode freq s/v ratio: -10 db ad...

  • Page 103

    P ulsar bg separate if outputs page 7 6.2 stereo p ulsar in a standard configuration it is not possible to change s/v1 and s/v2 separately. With the separate if outputs the s/v ratios can be set individually. The default setting for the s/v ratios is 0 db with a range from 0 to -15 db for both. Both...

  • Page 105: 1 Description

    P ulsar bg vision carrier reference input page 1 1 description if this option is installed, the output frequency is referred to an external connected vision carrier reference which will provide higher frequency stability. Also the sound carrier if frequency is related to this external reference sign...

  • Page 106

    Vision carrier reference input p ulsar bg page 2 3.1 opening the p ulsar • unplug the power cord to turn off the p ulsar . • unscrew the nine screws (torx 10) holding the top cover. • pull the top cover backwards and remove it. • loosen the nine screws (torx 10) holding the bottom cover. • remove th...

  • Page 107: 4 Layout

    P ulsar bg vision carrier reference input page 3 4 layout main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fuse rs 4 8 5 out cif in rf out up converter channel filter r...

  • Page 108: 5. Settings

    Vision carrier reference input p ulsar bg page 4 5. Settings the default situation is the selection of the internal reference carrier. Select in the config menu the item config vis carr ref input. Scroll with the up and down arrow until internal appears. Confirm with enter . However, it is possible ...

  • Page 109: 1 Description

    P ulsar bg data line decoder page 1 1 description a p ulsar with this built-in option can use the information on video line 16 to switch the stereo coder in the correct sound mode: stereo, dual sound or mono. Ths option is only possible in combination with a irt stereo coder. 2 installation please r...

  • Page 110

    Data line decoder p ulsar bg page 2 bridges to be set on the optional board. Bridge function position* br2 defines if the option is used with or without the option mains scram- bled / auxiliary unscrambled input default * the marked position is the default position. Case 2 : data line decoder with t...

  • Page 111

    P ulsar bg data line decoder page 3 2.4 closing the p ulsar • put the bottom cover back onto the chassis. • tighten the nine screws (torx 10) while pressing the bottom cover down. • turn the p ulsar upright. • put the top cover onto the chassis. • tighten the nine screws (torx 10) while pressing the...

  • Page 112: 3 Layout

    Data line decoder p ulsar bg page 4 3 layout 3.1 without the option main scrambled / auxiliary unscrambled main vide o aux vide o vis if snd if com p if vid ref rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol fus e r...

  • Page 113

    P ulsar bg data line decoder page 5 3.2 with the option main scrambled / auxiliary unscrambled main vid eo aux vid eo vis if snd if com p if vid ref rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in...

  • Page 114: 4 Settings

    Data line decoder p ulsar bg page 6 4 settings when the option data line decoder is installed an additional item in the sound coder control will be available. The options are : stereo dual sound mono mono + p remote data line the mode can be selected in the menu mode. With the left and right arrow o...

  • Page 115: 1 Description

    P ulsar bg reference carrier output page 1 1 description in a p ulsar an additional ouput can be installed to have the reference carrier available at the rear panel. The signal at the output will be the 10mhz internal reference carrier. Only in case the option refer- ence carrier input has been inst...

  • Page 116: 4 Layout

    Reference carrier output p ulsar bg page 2 4 layout main vide o aux vide o vis if snd if com p if vid ref rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol fus e r s 485 out cif in rf out up converter channel filter rf...

  • Page 117

    P ulsar bg reference carrier output page 3.

  • Page 119: 1 Description

    P ulsar bg vision reference carrier output page 1 1 description in a p ulsar an additional output can be installed to have the unmodulated vision carrier available at the output. The additional ouput is labeled if cw out. Cw means continious wave or carrier wave and is an unmodulated carrier. There ...

  • Page 120: Layout

    Vision reference carrier ouput page 2 3 layout main vid eo aux vid eo vis if snd if com p if vid ref rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio inpu ts st at us & cont rol fus e r s 485 out cif in rf out up converter channel filter rf amplifier...

  • Page 121: 1. Description

    P ulsar bg dual composite if outputs page 1 1. Description the dual composite if outputs option provides a second cif output. The connector carrying the second cif is located at the rear panel (ifs2 output position) and relabeled ‘ aux cif’. The board consists of a splitter, two buffer amplifiers an...

  • Page 122: 3.1 Installation

    Dual composite if outputs p ulsar bg page 2 3.1 installation two different locations to install the board will be described: • installation on the comp if aux in position. • installation on the audio subc/btsc encoder position. Before changing or removing something in the p ulsar , remove the power ...

  • Page 123

    P ulsar bg dual composite if outputs page 3 3.1.2 installation on the audio subc position the installation on this position is only carried out if the default position, namely the cif aux input location , is already occupied. Consequently, it is not possible anymore to install a btsc encoder option ...

  • Page 124: 4. Internal Layout

    Dual composite if outputs p ulsar bg page 4 4. Internal layout • installation on the cif aux in position with the audio subcarrier board installed main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if cw ref audio subc audio ...

  • Page 125

    P ulsar bg dual composite if outputs page 5 • installation on the cif aux in position w b main vid eo aux vid eo vis if snd if com p if vid out rf out ifs2 in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol fus e r s 485 out cif in...

  • Page 126

    Dual composite if outputs p ulsar bg page 6 • installation on the audio subcarrier/btsc encoder position w b main vid eo aux vid eo vis if snd if com p if vid out rf out aux c if in in out out out ou t in main au x in in in ref vid aux if if c w ref audi o subc audi o i np ut s st at us & cont rol f...