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Vizio 42" E420VO 0171-2271-3060 LCD Main Video Board Unit Motherboard

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Please be sure that the BOARD Part Number and picture on your motherboard is EXACTLY as shown above. Do not match by TV Model. There are possibly several different boards for each model TV. This board has been pulled from a working cracked screen TV. All items are tested and guaranteed to work. This photo is STOCK meaning it may vary slightly from the one you received in color or removable cables.

Part Type:: Main Unit , VGA Input , HDMI Input , A/V Board , Tuner Board , S Video Input , Key Controller Board
Part Number:: 3637-0502-0150
MFR Part Number 1:: Vizio 3637-0502-0395 , Vizio 3637-0502-0395R
MFR Part Number 2:: Vizio 3637-0502-0150 , Vizio 3637-0502-0150R
Board Number(s):: 0171-2271-3060
Known Models:: VIZIO E420VO

Part Type:Main Unit
VGA Input
HDMI Input
A/V Board
Tuner Board
S Video Input
Key Controller Board
Part Number:3637-0502-0150
MFR Part Number 1:Vizio 3637-0502-0395
Vizio 3637-0502-0395R
MFR Part Number 2:Vizio 3637-0502-0150
Vizio 3637-0502-0150R
Board Number(s):0171-2271-3060
Known Models:VIZIO E420VO

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    NO Power Troubleshooting HELP

    We are here to help! If you're unsure of how to diagnose and troubleshoot the TV message or call us for more assistance!

    *NOTE* LG & Vizio TVs must be plugged in for 5 minutes before it will turn on*

    *For main board replacements check firmware upgrades online - We can not pre-install them*

    1. Inspect ALL Ribbons and connectors. Any tears or bad connections between boards must be replaced FIRST

    2. If you have any of these boards, it should be the first board to be replaced
    A) T-Con Board - Video Problems (No Video with standby light on, audio but no video, grainy, distorted, or color problems in screen)
    B) X or Y Buffer Board (Plasma TVs only) - Standby light is on but no power
    C) Backlight Inverter / LED Driver - No Video with standby light on

    3. Main Video Board
    - Standby light is on but no power
    - Either video or audio does not work (if no T-Con in TV. If audio but no video it is T-Con)

    4. Power Board - No power AND standby light does NOT turn on. If standby light is on try other boards above

    5. Panel - No power, distorted picture, lines, slow motion, half screen, faded in / out. Panel problems are usually not worth replacing the panel.

    Check out Tampatec's video below for help with general troubleshooting and diagnosing problems with boards

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