Measure the resistance between +,-,gnd, spk... as stated in build guide.
Check D103, D109, D110, D104. Polarity and short. If wrong this will blow fuses.
Then Q105, Q107, Q108, Q106. If there is short transistor, then you have short across 470ohm or 100 ohm - blown fuses
Maybe you can remove D115 and D116 and check if this will blow fuses. Then you know if your problem is before them and after them - check schematic.
But most inportant thing, sit down with good light, magnifier lens and check every component on board with bom and every track.
Do you build 2 boards? problem on only one or both?
Check D103, D109, D110, D104. Polarity and short. If wrong this will blow fuses.
Then Q105, Q107, Q108, Q106. If there is short transistor, then you have short across 470ohm or 100 ohm - blown fuses
Maybe you can remove D115 and D116 and check if this will blow fuses. Then you know if your problem is before them and after them - check schematic.
But most inportant thing, sit down with good light, magnifier lens and check every component on board with bom and every track.
Do you build 2 boards? problem on only one or both?
: You will find where is, just check everything again and again.
Hello Folks,
I have received the boards for The Wolverine from what I understand to be the third group buy. I'm mulling over the bill of materials and wondering if I can substitute brass sheet metal of the same thickness for the specified aluminum for the three heat sinks required. I have no idea of the thermal dissipation properties of aluminum vs. brass.
Has anyone done this or have any ideas?
Many thanks,
John
I have received the boards for The Wolverine from what I understand to be the third group buy. I'm mulling over the bill of materials and wondering if I can substitute brass sheet metal of the same thickness for the specified aluminum for the three heat sinks required. I have no idea of the thermal dissipation properties of aluminum vs. brass.
Has anyone done this or have any ideas?
Many thanks,
John
Hey guys,
I have taken some close shots of the boards and its components. Please have a look at it. Please point out if any mistakes or if more pictures are required.
Thanks for being patient with me.
All images are below
I have taken some close shots of the boards and its components. Please have a look at it. Please point out if any mistakes or if more pictures are required.
Thanks for being patient with me.
All images are below
Attachments
@fireanimal do I have to remove each diode out from the pcb to check it ?
The fuse I’m using is probably fast blow on the fuse it says “F500mA 250V”
The fuse I’m using is probably fast blow on the fuse it says “F500mA 250V”
