Here are parts to help restore Tandy 1400 machines...

Tandy 1400HD Power Supply
http://www.ebay.com/itm/264179446576

Tandy 1400HD Case
http://www.ebay.com/itm/264179428232

Tandy 1400HD Keyboard
http://www.ebay.com/itm/264179321746

Tandy 1400HD LCD
http://www.ebay.com/itm/264167843445

Tandy 1400HD Motherboard
http://www.ebay.com/itm/264167840435

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Tandy related....
TRS-80 Model 102 portable
http://www.ebay.com/itm/264167898772

Tandy PC Memory Card
http://www.ebay.com/itm/264175043789