User`s manual

Main Scr/Aux Unscr P ULSAR BG
Page 6
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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 the DC-Coupled board J5 on the Stereo Coder board
* This cable must be removed when NO Stereo Coder is installed. Be aware that if one installs in the future a
stereo coder, the cable is needed again. So do not throw the cable away.
3.3 Updating Software Version
Updating the software is only necessary if the index of the software installed is of a lower version than
the newly delivered software. The index of the software is indicated on the label stuck on the EPROM
or GAL. On the label one can find “/ XX”. This number indicates the software version.
Observe Precautions for Handling Electrostatic Sensitive Devices.
Electrostatic discharge (ESD) can damage the electronic components.
Therefore it is required to work in a static-safe work station.
For the location of the IC’s, use the internal layout diagram.
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Replace EPROM U65 with the one include in the kitbox. Only needed when the index of the
EPROM in the kitbox is higher than the one that is installed.
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Replace GAL U69 with the one include in the kitbox. Only needed when a GAL is included in the
kitbox and the index of the GAL in the kitbox is higher than the one that is installed.
3.4 Closing The PULSAR
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Put the bottom cover back onto the chassis.
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Tighten the nine screws (Torx 10) while pressing the bottom cover down.
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Turn the P
ULSAR upright.
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Put the top cover onto the chassis.
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Tighten the nine screws (Torx 10) while pressing the top cover down.
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Replug the power cord.