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Echostar LT8700 No Picture
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<blockquote data-quote="garga pista" data-source="post: 1089729" data-attributes="member: 321281"><p>Thanks for the reply, first i tried blind the factory reset, it did not help. Then i removed the 2 decoder boards- still nothing. I couldn't find the service manual, but looked for the chip datasheets from the main board. And bingo! The STV0030 switches between AV,decoder, etc and inserts OSD. So I traced down where the signal goes, and found a bad soldered capacitor under the vertical sound panel (someone already tried to fix it, badly soldered it) So soldering back a new capacitor properly made the receiver back in life <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /> Here's a picture about it. And here's the datasheet for the STV0030 chip, it could be useful for fault finding, for me this was the solution: <a href="https://www.datasheetarchive.com/pdf/download.php?id=7e8cb896581c9e2851d10d949025500526598b&type=M&term=STV0030" target="_blank">Datasheet Archive STV0030 datasheet download</a></p><p>Edit: upload the datasheet here</p><p>[ATTACH]130815[/ATTACH]</p></blockquote><p></p>
[QUOTE="garga pista, post: 1089729, member: 321281"] Thanks for the reply, first i tried blind the factory reset, it did not help. Then i removed the 2 decoder boards- still nothing. I couldn't find the service manual, but looked for the chip datasheets from the main board. And bingo! The STV0030 switches between AV,decoder, etc and inserts OSD. So I traced down where the signal goes, and found a bad soldered capacitor under the vertical sound panel (someone already tried to fix it, badly soldered it) So soldering back a new capacitor properly made the receiver back in life :) Here's a picture about it. And here's the datasheet for the STV0030 chip, it could be useful for fault finding, for me this was the solution: [URL='https://www.datasheetarchive.com/pdf/download.php?id=7e8cb896581c9e2851d10d949025500526598b&type=M&term=STV0030']Datasheet Archive STV0030 datasheet download[/URL] Edit: upload the datasheet here [ATTACH alt="STV0030_main_board.jpg"]130815[/ATTACH] [/QUOTE]
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Echostar LT8700 No Picture
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