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Search: Posts Made By: budm
Forum: Troubleshooting TVs and Video Sources 09-30-2019, 10:59 AM
Replies: 30
Views: 808
Posted By budm
Re: Vizio E550i-B2 no power, no sound, no LED -- blown IC found

So the question is, are you getting standby Voltage on the cold side or not when you measure the Voltage on the connector that goes to the main board?
Forum: Troubleshooting TVs and Video Sources 09-30-2019, 12:35 AM
Replies: 30
Views: 808
Posted By budm
Re: Vizio E550i-B2 no power, no sound, no LED -- blown IC found

The main filter cap is the brown cap rated 450VDC.
Negative leg of the filter cap the circuit ground ref point for the hot side circuit ground.
So why are you measuring AC?
Forum: Troubleshooting TVs and Video Sources 09-29-2019, 11:20 PM
Replies: 30
Views: 808
Posted By budm
Re: Vizio E550i-B2 no power, no sound, no LED -- blown IC found

You use the wrong ground still, Hot Ground in this case means the negative legs of the main filter cap in the hot side.
So are you saying you have standby Voltage on the cold side?'
How about...
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