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HEQ5 - Blown mainboard ?

malc-c

By malc-c
in Discussions - Mounts

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malc-c

malc-c

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2 hours ago, FreewheelinFranklin said:

Hello. I need to replace the capacitors on my board also. Did you use ceramic capacitors.

No, you need 470uF  electrolytic capacitors - 35v (bit of head room from the 25v ones originally fitted) - These have polarity, so make sure you fit plus to plus and minus to minus as indicated on the side of the can

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malc-c
malc-c

Well, thanks to a recommendation from a fellow SGL forum member, I contacted a guy on the East Midlands Stargazers forum.  It was suggested that I replace two capacitors on the board as these seem to

malc-c
malc-c

Hi,   No problem.  It was the two 470uf 25v caps (top right of your picture).  There was nothing physically obvious with them (no bulging or leaking) - I have no idea what part they play in

malc-c
malc-c

I just received an e-mail from OVL, they contacted a "skywatcher engineer" who gave the following response

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