This TV had a standby light but wouldn’t turn on. I tried freeze spray on the eeprom (UF1) but it didn’t work. I still suspected eeprom failure however.
The TV uses the same chassis and all-in-one board from many budget TV brands like RCA, Westinghouse, and Emerson. I have also seen this chassis on a newer LG TV.
Shopjimmy indicates there are two different main boards with two incompatible eeproms. One is for serial numbers starting with G1400 and the other is for J1400. I checked ebay and there was a seller selling preprogrammed eeproms for $10 USD vs $15 USD that shopjimmy was charging. I am still waiting for my CH341A programmer so I ordered the cheaper one.
Once installed, the TV powered up.