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when I purchased this DG220 on eBay, it looks good, and one channel is good, but the other channel has a small DC offset. adjusting the DC offset in center is 350mv. adjusted to be more negative only can reach +70mv. Q13 has a brown over heated mark under it, so it may be the culprit. R37 is good but burnt the circuit board to carbon. replaced C20 even though it checked good. must of have had an oscillation at full output or was operated at full output without a load. This kit should fix it.
o***u (292)- Bewertung vom Käufer.
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Great!
o***u (292)- Bewertung vom Käufer.
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Great!
r***r (1271)- Bewertung vom Käufer.
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quick ship nicely packed all tested and working.
e***o (2870)- Bewertung vom Käufer.
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Packaged well, fast shipping. Great dealer
s***t (3)- Bewertung vom Käufer.
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Shipping was very prompt and item arrived quickly and in intact packaging. It’s going to be a bit before I can install and test the potentiometer, but I don’t expect any problems.