[TechAssist] barcus-berry piezo buffer preamp
- From: "markbrock" <markbrock@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 21 Apr 2004 23:50:37 -0500
need value of resistor that attaches to center leg of main out pad switch,
burnt away and cant read board designation
I am not familiar with this thing, actually never heard of this brand ?
model 4000XL has 1/4 input, 1/4 output and XLR main output jacks, I
suspect an input was crammed into an output ? anyway the resistor that the
main out pad switch has attached to its common leg is blown away, along with
C8 that filters pin 2 of the XLR output jack, R14 is to dark to read the
color bands so took a beating, measures 3 ohms? R13 is brown black yellow
blue yellow? ( gold ?) measures 460 ohms, and looks fine R8 is in series
with the mystery resistor when pat is in the -12DB position, same in color
reads the same a little charred but I think its carbon from the nearest
resistor that burnt off the board, either way you read it the third color
is yellow but its not in the K range ? now for what I need.. ( a
schematic ) there's another resistor beside R8 that burnt black, and the
board charred enough that cant read its location, I told the customer it
would cost 40 - 50 bucks ( thinking this simple device probably cost less
new ) he said go ahead !! I'll guess if I have to but crossing my fingers
that one of you music pro's have one of these in stock or a print of what
that resistor value may be ? it is attached to center leg of the main out
pad switch on front of unit.
thanks
brock
Brock Electronics
R.R.4 box 237
5208 cr.3385
Independence Ks. 67301
620-331-0235
fax 331-7191
markbrock@xxxxxxxxxxxxx
Zenith*Philips*Peavey*Fender*Crate
we work on all brands,makes,models
of anything that plugs in the wall
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