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Old 7th October 2012, 02:04 AM   #1
Tom7227 is offline Tom7227  United States
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Default Help w/ Class D driver

I am working a DC Audio 12K amp, tring to get a handle on the problem. The amp isn't in protect, all rail voltage are there. No oscillation...

Has any body seen this type of class d driver board, or could possible help identify the IC that are ground off,

Thank You
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Old 7th October 2012, 02:37 AM   #2
timwebb is offline timwebb  United States
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ive never seen that. can u get any voltages off the pins of those ic's?
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Old 7th October 2012, 10:45 PM   #3
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look like mosfets.
If theres a number of pins connected together ie. 3 then they are probably single devices.
If there a 2 x 2pins connected, they are probable dual
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Old 8th October 2012, 02:24 AM   #4
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It's likely 2 op-amps (or one op-amps and one comparator) and a driver IC like the IR2184S.
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