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EHX Holy Grail repair, anyone help with a resistor value?

f13ndus
November 7th, 2009, 11:07 AM
Hey all - I've got a Holy Grail pedal I need to fix for a friend - it still functions, but it had a mishap with a power supply and let out the magic smoke :lol:

Seems the first resistor on the circuit board got burnt out. It's what the power to the board comes into, so I assume it fused together, because the pedal still functions fine, but I noticed it and would like to replace it for reliability's sake.

Anyone got a Holy Grail they can open up, and check the value of R1 for me? It's the large SMD resistor on the top left of the board, marked R1, right next to where the red wire from the power jack attaches. It's on the top side with all the other components. This is on a Rev. A board, BTW.

Any help appreciated!

f13ndus
November 8th, 2009, 01:54 PM
Here's a picture of the board/burnt resistor, if it helps. R1, in the upper left of the board. As you can see, it's burnt too far for me to read the value off of it!

RomanS
November 8th, 2009, 05:41 PM
The bands are red-black-gold-gold, and it measures at 2.2 ohms in my HG.

f13ndus
November 8th, 2009, 06:37 PM
Hmm, so by the bands it's a 2 ohm resistor. The burnt one measures at 4.8ohm, I figured if it was fused it'd be closer to zero...

Can't find a 2ohm in my "new" parts stock, time to go scour "parts" circuit boards! Thanks for the help!