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mattvarney
 
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Default NAD 7240PE - Need Resistor Values

Hello,

I am currently working on a couple of NAD 7240PE receivers. On one of
them, the soft-clip feature is not functioning properly (enabling it
causes the right channel to clip at a low level).

The problem seems to be four cracked resistors at the back of the unit,
near the soft-clip switch. They are labeled R413, R423, R414, and R424.
I need the values for these four parts. On the unit where this feature
works OK, all four of the resistors are 1/2 W 10 kOhm with 1%
precision. The bad resistors are 1/4W 8.2 kOhm with 5% precision.
Unfortunately, it appears that all of these are replacements; I don't
have the original parts. I could use 1/2W 10k's in the bad unit, since
they seem to work in the other one, but I'd rather be certain of having
the optimal values [especially since I am planning to sell the amp
after fixing it]. I know that some of you have the service manual. If
you could provide the original values, I would appreciate it _very
much_.

Thanks :-)
Matthew Varney

 
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