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HRD (Horizon Ramdisk) 2018


134 replies to this topic

#126 Opry99er ONLINE  

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Posted Sat Nov 3, 2018 5:32 PM

Nice!

#127 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 5:47 PM

Yeah, until I forgot the heatsink..oh well, it's 5volt like he said. I'm waiting on some cleaner and parts.. mainly sockets, dip switch etc..basics.

#128 InsaneMultitasker OFFLINE  

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Posted Sat Nov 3, 2018 7:18 PM

Heatsink

I am not sure what is folded underneath the regulator but based on the picture in post #125, I recommend you NOT power up this card until you verify there are no shorts and that the material is non-conductive. It looks like the silver material is touching the input and/or the output leads of the regulator. 

 

You shouldn't need anything underneath the regulator besides the heat sink and a dab of thermal compound between the heat sink and regulator.

 

I'd also recommend that you check the solder as it looks like it didn't flow upwards and there could be one or more 'cold' solder joints.



#129 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 7:23 PM

Thermal paste. Good eyes. Ohmed out. But needs more cleaning

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Edited by GDMike, Sat Nov 3, 2018 7:25 PM.


#130 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 7:34 PM

Ok, remove the green ink..my anticorrosion attempt.

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#131 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 7:49 PM

Touched front side

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#132 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 8:01 PM

Picture is hard to tell. But the solder is now coming up. One angle actually looks like no solder at all...but it looks good as I'm right over it.

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#133 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 8:10 PM

Ok, finished ohming out all the remaining sockets (top to underside), AND traces on the underside between sockets, I can't do the rest of the board until I get desolder braid..and a better but harmless cleaner. That will be Tues or Wed. I don't like how the camera portrays the solder job, as my many photos may indicate. But it looks good in person. Not so good in the picture. Thanks for eyeing it. I'll try to do a better job at listening. Lol

Edited by GDMike, Sat Nov 3, 2018 8:14 PM.


#134 GDMike OFFLINE  

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Posted Sat Nov 3, 2018 9:42 PM

A strip of aluminum was a bad idea as it moved around..not good. It was good of someone to point it out.

Edited by GDMike, Sat Nov 3, 2018 9:43 PM.


#135 GDMike OFFLINE  

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Posted Tue Nov 6, 2018 10:17 PM

Sockets, Diodes, Dip, resistors etc..all due to come in soon.




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