LG 27BK4 Series Service Manual page 15

2. Novatek
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2.1 execute EasyWriter Tool and then select [Setup ISP Tool ] on [Option]
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2.2 change the setting as like below image and then click [Confirm Change] button
Select ISP Jig type depends on board
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LG Monitor JIG(P/N RAD33028001) Novatek (P/N RAD32227901)
Monitor
Monitor
PC
PC
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Select FTDI Mode. Select NvtEasyUSBMode