BK 470 issues

Fudd

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Joined
Jun 5, 2006
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Location
Kalamazoo, Michigan
my bk 470 read emmision and set the g2 cutoff voltage knobs do nothing...meter never moves...i've opened it up and looked for broken wires and found nothing...i reflowed the back of the card connector also....any other ideas?
 
found this resistor burnt up on the gun selector...not sure if its my problem but i need to replace it....how do i find out what value it was? when both ends were connected it was giving me 220ohm....obviously its dead...

bk470.jpg
 
Can't find the schematic...I temporarily put in a resistor and it fixed my issue...I would like to put in the correct one though...where is the schematic ?
 
I haven't found it online. I have a hard copy but it is back home and I will not be able to look it over until the middle of March.
 
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