Vizio 0500-0412-0790 (PLHL-T848A) Power Supply / Backlight Inverter for SV421XVT

Product Description

Vizio 0500-0412-0790 (050004120790) Power Supply / Backlight Inverter Board

• Part Number: 0500-0412-0790 
• Board Number(s): PLHL-T848A, 3PCGC10003A-R
• Product Type: Power Supply / Backlight Inverter Board
• Compatible TV Model(s):

  SV421XVT

This is the power supply and backlight inverter board for the Vizio SV421XVT LED TV. This board is responsible for converting AC power to the DC voltages required by the TV and driving the LED backlight. Common issues resolved by replacing this board include the TV not powering on, backlight failure, dim or flickering picture, and the TV shutting off unexpectedly.

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Key Features

• Direct OEM replacement — no modifications required
• Resolves power-on failures and backlight issues
• Compatible with Vizio SV421XVT
• Tested and pulled from working units

Important Notes

• Verify your board number(s) before purchasing: PLHL-T848A or 3PCGC10003A-R
• Basic soldering or electronics experience recommended for installation
• Always discharge the capacitors before handling the power supply board
• Compare your existing board visually before installing

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.