Re: Yamaha CLP411 Electronic Piano
Hi Bill.
IC3 4 and 5 are on PCB PU40D2 which is slightly left of centre, next to the mains transformer.
If the popping noise is intermittent, GENTLE heat from a hair dryer should show it up quickly. Once the noise starts, a squirt of freezer will show up the culprit as the noise will instantly change or disappear.
Kevin
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