Memorex MLT3221 32 in. LCD TV Logo
Posted on Jun 08, 2011
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How do I tell if my power board is out - Memorex MLT3221 32 in. LCD TV

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  • Posted on Oct 08, 2012
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I have a Polaroid 323b I have power on half of board no stand by power.can some one help,
The R0804-0901 is extremely simple in regards to operation and outputs. Unlike most TV power supplies its only standby circuit produces 24V and those can be measured at any time - on or off - at connector CN3, where the first three pins are ground, the second three are +24V and the last one is used to turn on the secondary power source for the back lights:I check and no power for standby.Where power plug's in there is a small round black (250V 15A ) is this a fuse ? T5 0Al/250V

  • Anonymous Oct 08, 2012

    I have a Polaroid 323b I have power on half of board no stand by power.can some one help,
    The R0804-0901 is extremely simple in regards to operation and outputs. Unlike most TV power supplies its only standby circuit produces 24V and those can be measured at any time - on or off - at connector CN3, where the first three pins are ground, the second three are +24V and the last one is used to turn on the secondary power source for the back lights:I check and no power for standby.Where power plug's in there is a small round black (250V 15A ) is this a fuse ? T5 0Al/250V

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  • Posted on Jun 08, 2011
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You can check that the power supply is getting power from the power cord. then check the fuse on your power cord. Last you can check the output power of your power supply. You can get parts from www.interliquidparts.com

  • Anonymous Oct 10, 2012

    as far as I can tell no output power

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Samsung un40es6100f with no sound video or backlight. Would you agree this would be a main board issue?

Do you have a standby indicator in the front of the TV?..if you don't check the standby voltage, if its missing replace the power board, if you do test the PSON and see if its ok, if it is then its the power board if its not then the main. The PSON or it could be PWR-on as is the signal coming from the main board telling it to enable PFC and go to work basically, without that the set is dead but if you see that voltage then its a power board issue as the main is telling the set to come on
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Sounds like the main board is going out. It tells everything when to do something and what to do. It even tells the power board to send power to the backlights.

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I have a Vizio E50-C1 Model #LTCWSKAR Power supply # (X)ADTVE2420AD4 Main Board #GXFCB02K009050X

You need to find out which board the led driver resides on. The main board sends a signal to the power supply board to turn on the LED's Look on the power supply board for swollen capacitors. They all have to have flat tops. If any are bulged, they have to be replaced www.shopjimmy.com. TV Parts Universal TV Stands DLP Chips ShopJimmy These guys can tell you which board you need.
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Won't power on ,

With 10 blinks it could be any of the following boards, the blinks tell you that is is a power problem

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Vizio Problems

I will tell you that there are many screws involved in getting to the boards. Suggestion I will tell you about

Keep the screws separate. Take the legs off first, then the back panel. this will expose the boards. The board on the top is the power board, below that is the main board. on the 32" vizio there is one plug that is located "left off center" that is very easy to break when removing from the board. Just beecarefully

I’m happy to assist further over the phone at https://www.6ya.com/expert/lou_afa492c634393790

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