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Free Proscan 123797 Main Boards Replacement Guide for LCD TV Repair
Welcome to TV Repair Made Easy, brought to you by ShopJimmy.com
Visit www.shopjimmy.com to search the hundreds of thousands of TV parts in our inventory.
To be best prepared for your board replacement, you will need the following materials:
So let's get to it shall we?
Locate your TVs identification label and take note of the brand name model number, serial
number and model code if present.
Unscrew and remove the back cover.
The Main Board typically manages your accessory inputs and outputs and houses the TV tuner.
For this TV the Main Board is located on the right side of the chassis.
Carefully unplug all wires and ribbon cables by hand.
Unlock the wire connectors by squeezing the tab or tabs and gently remove the wires.
Be sure to keep a firm grip with both hands.
Unscrew and remove your bad Main Board.
The part number for this item can be found printed on a barcode label.
Search your part number on http://www.shopjimmy.com to find a compatible replacement.
Click on the search results to view important product specifications.
Verify that your original board matches all requirements noted in the product description
prior to purchase.
Insert all screws to secure your ShopJimmy New Main Board to the chassis.
Reconnect all cable and ribbon connections.
Return the back cover to its original position and secure all screws.
This ShopJimmy replacement Main Board does not require any manual configurations in order
to function.
Simply plug in and power on and your TV will function as if new.
Thank you for watching one of many tutorials here at ShopJimmy.com!
If you have any further questions regarding your repair,
simply post a question in the comments section below,
or call our award-winning customer service team at the number on your screen!
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Free Technical Support: Call 1(877)881-6492
The Main Board shown in this video is a replacement for the following LCD TV models:
47LC55S240V87 42LC55S240V87
Top Common LCD problems for bad Main Unit Boards:
No Picture, No Sounds Blinking Standby Light
Missing TV Channels or TV Inputs, Bad Tuner Bad HDMI