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Old 10th June 2021, 01:10 PM   #1
thebasser is offline thebasser
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Join Date: Jul 2018
Default Sundown sfb-8000D

Hello DIY techs.
I have a Sundown sfb-8000D and need help identifying mosfets with markings D1 and the drive IC 9.
thanks
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Old 10th June 2021, 03:16 PM   #2
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
At one time, Sundown would offer limited support. Contact them to see if they can/will help.
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Anyone who purchased the repair tutorial, email me (babin_perry@yahoo.com) if you want to download the latest version.
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Old 14th June 2021, 10:50 AM   #3
laluns is offline laluns  South Africa
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Join Date: Jun 2019
you should use IRS20957.
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HANTEK 5072P SCOPE. 0-30V 10AMP ADJUSTABLE POWER SUPPLY , FLUKE 177 MULIT METER BUILT UP 12V 600AMPS POWER SUPLLY FOR BENCH TESTING
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Old 14th June 2021, 11:02 AM   #4
laluns is offline laluns  South Africa
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check your PM
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HANTEK 5072P SCOPE. 0-30V 10AMP ADJUSTABLE POWER SUPPLY , FLUKE 177 MULIT METER BUILT UP 12V 600AMPS POWER SUPLLY FOR BENCH TESTING
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Old 14th June 2021, 03:04 PM   #5
laluns is offline laluns  South Africa
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Join Date: Jun 2019
also please confirm voltage on rail caps
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HANTEK 5072P SCOPE. 0-30V 10AMP ADJUSTABLE POWER SUPPLY , FLUKE 177 MULIT METER BUILT UP 12V 600AMPS POWER SUPLLY FOR BENCH TESTING
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