Toshiba TV Repair Bad Main Board Replacement Tutorial & Channels not changing on screen
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Main Boards & Scaler Boards typically manage your accessory inputs and outputs and house the TV tuner. Part numbers for Toshiba Main Boards are found by matching BOTH the TV Model and a number printed on the board. The board number follows 1 of 4 part number patterns, and begins with PD, PE, 431C, or 461C.
PD####X & PE####X numbers(#s, typically 4 digits) are printed on the board, but the 1-letter suffix(X) can sometimes be found on a label to the .
431C####X## and 461C####X## numbers are 11 characters long, and are found printed on labels.
Typically, the manufacturer part numbers for Toshiba Main Boards are 8 digits long and begin with 75. The manufacturer part number can be found in TV service manuals, but is not printed anywhere on the board.
- Search Scenario #1: Your Search Returns An Exact Match
Search your part number on ShopJimmy.com to find a compatible replacement. Typically, your part number will match the ShopJimmy Item Number.
- Search Scenario #2: Your Search Returns A Differing Item Number
If searching your part number directs you to items that have differing ShopJimmy Item Numbers, take a look at the product details to confirm that your number is listed in the Part Number, Board Number, or Substitute Parts fields. If your number is listed in the Part Number, Manufacturer, or Board Number fields on a product page, but is different than the ShopJimmy Item number, that just means that we have found Manufacturer Part Numbers that relate to this product. As long as your part number is found in the Part Number or Board Number field, this item will be the correct replacement TV part for you.
- Search Scenario #3: Your Search Has Multiple Results
If searching your part number directs you to items that have slightly different numbers, take a look at the product details to confirm that your part number is in the Substitute Parts field. As long as your part number is found in the Substitute Parts field, this item will be a compatible substitute and will work in your TV. These substitutes are guaranteed to replace your original board, even if the part numbers on the board do not match.
- Search Scenario #4: Your Item Is Out Of Stock
If your part number is out of stock, be sure to check the Substitute Parts field on the product page for compatible replacements. These substitutes are guaranteed to replace your original board, even if the part numbers on the board do not match.
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