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Navigation System Error - bad GPS boards
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<blockquote data-quote="petr22" data-source="post: 38486" data-attributes="member: 8220"><p>Hi, I am trying to fix some DJI Spark drones with bad GPS boards, which cause</p><p>following error - Navigation System Error - check redundancy state, same error</p><p>is when GPS board is disconnected from main board.</p><p></p><p>Serial output console show only garbage at all standard baud rates - that mean</p><p>communication is garbage or is encrypted, but more likely boards are dead</p><p>for unknown reason.</p><p></p><p>Does anyone have experience, what could be bad with these GPS boards ?</p><p>All were involved in a crash, one have cracked GPS antenna. No other</p><p>visible damage.</p><p></p><p>There is strange metal object near GPS antenna and metal shielding -</p><p>is this a battery ? There is + mark on top, but meter show no voltage.</p><p></p><p>Of course one solution is to replace GPS boards - but I want to know</p><p>what is wrong with these modules, and if possible, fix it.</p></blockquote><p></p>
[QUOTE="petr22, post: 38486, member: 8220"] Hi, I am trying to fix some DJI Spark drones with bad GPS boards, which cause following error - Navigation System Error - check redundancy state, same error is when GPS board is disconnected from main board. Serial output console show only garbage at all standard baud rates - that mean communication is garbage or is encrypted, but more likely boards are dead for unknown reason. Does anyone have experience, what could be bad with these GPS boards ? All were involved in a crash, one have cracked GPS antenna. No other visible damage. There is strange metal object near GPS antenna and metal shielding - is this a battery ? There is + mark on top, but meter show no voltage. Of course one solution is to replace GPS boards - but I want to know what is wrong with these modules, and if possible, fix it. [/QUOTE]
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Navigation System Error - bad GPS boards