Vizio OLED55-H1 (Serial QTYPZRKW). Description : Main board / Power Supply board / Tcon board KIT. Board / Part Number. Main Board: 756TXKCB02K021 / 715GA847-M01-B00-005Y. Power Supply: ADTVJ1840ABL / 715GA787-P01-000-003S. Notes/Comments: Please make sure you are ordering the right part#. Same model TVs can use different part #’s. Listing and template services provided by inkFrog.