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SD Connect C4 dead, not power up (customer solution)

2019-06-29 10:40:16 | 日記



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SD Connect C4 dead, not power up (customer solution)



Posted on <time class="entry-date" datetime="2019-06-21T13:15:35+00:00">June 21, 2019</time> by

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Share an easy way to repair sd connect c4 multiplexer if your multiplexer is dead, not powering up via any adapter cable.


NOTE:
TRY AT YOUR OEWN RISK!


First open the MB SD C4 main unit. Slide PCB out a little bit, from the connector side, so you can see the units buttons wiring. Carefully pry the lock out & up, after that you can pull the wiring and PCB out.


sd-connect-c4-not-power-up-1


Then Open 4 Main PCB screws, Carefully wiggle the PCB off from another, it might be pretty tight, so carefully, side from side!


sd-connect-c4-not-power-up-2


sd-connect-c4-not-power-up-3
Disconnect the LAN cable, carefully, pretty easy to break the small clip.


sd-connect-c4-not-power-up-4


Then you can disconnect the Connector PCB, very carefully, might be really thight! Again slowly from both sides. You now have access to the small Fuses.


sd-connect-c4-not-power-up-5


sd-connect-c4-not-power-up-6


You can use multi-meter to see if they work, usually the LAN connector side 5A is burnt. So desolder the broken one, install new & enjoy your powering up mux again!


This repairing above requires experienced and professional techniques; or you are suggested to buy a cheap clone MB SD Connect C4 of high quality to replace it. Google to get the good one. I helped to put the first site here for you (no affiliation to the vendor)




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