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Tech Head - The Technology Section
The Work Bench and Soldering Station
Old dig. EchostarDSB1000Ci2 ... absolutely dead?
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<blockquote data-quote="nopfusch" data-source="post: 129675" data-attributes="member: 195487"><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Thanks Peter.</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">I'll check it out, although my hope of fixing it, is almost zero.</span></span></p><p></p><p> </p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">We'll see what Echostar has to say. They confirmed the receipt of my 'cry for help'. </span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">That's what they say:</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">"Dear Sir, </span></span></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Will respond to you shortly</span></span></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">We hope above information will be of service to you.</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">EchoStar service department </span></span></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Website: <<a href="http://www.echostar-int.com/" target="_blank">http://www.echostar-int.com/</a>> <a href="http://www.echostar-int.com/" target="_blank">www.echostar-int.com</a> "</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Sounds not too bad.</span></span></p><p></p><p> </p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">During the day ...</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">All 13 PSU electrolytics de-soldered, removed, purchased new ones and put into their locations.</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">No go. Then I measured all 87 electrolytics and 9 polarized tantal capacitors with a DMM in its Ohm range. All integrated, i.e. the measured resistance increased whilst the capacitors charged (with reversed measuring leads it discharged, measured resistance decreased). A faulty e.g. shorted or o/c capacitor would show a short or steady resistance, due to the parallel circuitry around them.</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">No luck. </span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Plan of action:</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Circuit diagram with service manual, or repair at Echostar (expensive?) or in Korea (the PCB and the name plate says “Made in Korea”, but where?) or throw into waste bin.</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">Buy new receiver. Manhattan or Echostar? Those are the only ones in Europe available with polarizer output (skew) and angle stored in each channel. Or are there others?</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">So let’s 1st wait what the Echostar people have to say.</span></span></p><p></p><p> </p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">greetings</span></span></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">nopfusch</span></span></p><p></p><p> </p><p></p><p></p><p><span style="color: black"><span style="font-family: 'Verdana Ref'">had a nice spring day today – 29 degree Celsius – no cloud in the sky</span></span></p></blockquote><p></p>
[QUOTE="nopfusch, post: 129675, member: 195487"] [color=black][font='Verdana Ref']Thanks Peter.[/font][/color] [color=black][font='Verdana Ref']I'll check it out, although my hope of fixing it, is almost zero.[/font][/color] [color=black][font='Verdana Ref'] [/font][/color] [color=black][font='Verdana Ref']We'll see what Echostar has to say. They confirmed the receipt of my 'cry for help'. [/font][/color] [color=black][font='Verdana Ref']That's what they say:[/font][/color] [color=black][font='Verdana Ref']"Dear Sir, Will respond to you shortly We hope above information will be of service to you.[/font][/color] [color=black][font='Verdana Ref']EchoStar service department Website: <[url="http://www.echostar-int.com/"]http://www.echostar-int.com/[/url]> [url="http://www.echostar-int.com/"]www.echostar-int.com[/url] "[/font][/color] [color=black][font='Verdana Ref']Sounds not too bad.[/font][/color] [color=black][font='Verdana Ref'] [/font][/color] [color=black][font='Verdana Ref']During the day ...[/font][/color] [color=black][font='Verdana Ref']All 13 PSU electrolytics de-soldered, removed, purchased new ones and put into their locations.[/font][/color] [color=black][font='Verdana Ref']No go. Then I measured all 87 electrolytics and 9 polarized tantal capacitors with a DMM in its Ohm range. All integrated, i.e. the measured resistance increased whilst the capacitors charged (with reversed measuring leads it discharged, measured resistance decreased). A faulty e.g. shorted or o/c capacitor would show a short or steady resistance, due to the parallel circuitry around them.[/font][/color] [color=black][font='Verdana Ref']No luck. [/font][/color] [color=black][font='Verdana Ref']Plan of action:[/font][/color] [color=black][font='Verdana Ref']Circuit diagram with service manual, or repair at Echostar (expensive?) or in Korea (the PCB and the name plate says “Made in Korea”, but where?) or throw into waste bin.[/font][/color] [color=black][font='Verdana Ref']Buy new receiver. Manhattan or Echostar? Those are the only ones in Europe available with polarizer output (skew) and angle stored in each channel. Or are there others?[/font][/color] [color=black][font='Verdana Ref']So let’s 1st wait what the Echostar people have to say.[/font][/color] [color=black][font='Verdana Ref'] [/font][/color] [color=black][font='Verdana Ref']greetings[/font][/color] [color=black][font='Verdana Ref']nopfusch[/font][/color] [color=black][font='Verdana Ref'] [/font][/color] [color=black][font='Verdana Ref']had a nice spring day today – 29 degree Celsius – no cloud in the sky[/font][/color] [/QUOTE]
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Tech Head - The Technology Section
The Work Bench and Soldering Station
Old dig. EchostarDSB1000Ci2 ... absolutely dead?
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