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Louie
Louie, Technician
Category: TV
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Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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I have a Samsung. BN44-00444A board. When i switch my TV on

Customer Question

I have a Samsung. BN44-00444A board. When i switch my TV on the relay cycle clicking noise 5 times and stops. It does not come on.
There are no bulging capacitors. The voltage on VA and VS are reading 0.
Submitted: 2 years ago.
Category: TV
Expert:  Anthony_Infotech replied 2 years ago.
Hello my name is Anthony
Welcome
Thanks for the Question
Disconnect the left and right hand scan boards then take the Vs and Va voltages again does it now come up?
Anthony
Customer: replied 2 years ago.
Is the TV supposed to be plugged up? We have 0 volts DC
Expert:  Anthony_Infotech replied 2 years ago.
Yes the set has to be plugged into wallpower
Anthony
Customer: replied 2 years ago.
ok it is and the va and vs are 0 volts dc
Customer: replied 2 years ago.
we have put the meter on vs and plugged the tv in and the volts go to 207 then back to 0.
Customer: replied 2 years ago.
(Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from yo. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer: replied 2 years ago.
Are you there?
Expert:  Anthony_Infotech replied 2 years ago.
Please await my response thank you
Have you disconnected the plugs from the powerboard or is this with the plugs connected?
Anthony
Customer: replied 2 years ago.
ok, if you can just tell us where to start checking we will start from the beginning. TV is unplugged and all cables are plugged to main board. where do we need to go from here
Expert:  Anthony_Infotech replied 2 years ago.
OK you need to check the Vs and Va voltages set plugged in and switched ON (all plugs in on all boards)
Anthony
Customer: replied 2 years ago.
the red light is blinking so I assume it is on. VS is 0 volts dc; VA 0 volts DC. After we check the volts the green led in the back starts clicking on and off
Expert:  Anthony_Infotech replied 2 years ago.
How are you measuring those voltages?explain exactly what you are doing
Anthony
Customer: replied 2 years ago.
measuring from chassie to ground to vstp and vatp