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Topic: How does PDIM work (no backlight)
Joined: Dec 13, 2012
Posts: 1
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I have a Soyo 32" LCD TV that has working audio, but no picture (backlight out).

I get 5V at the On/Off enable pin on the inverter board and 5V at the PDIM pin. I also get 24V across all electrolytic caps on the board.

What should PDIM voltage be when video is present?