Insignia ns-32e440a13 LED TV

[Electron4444]

This unit has sound but no back light.

Trouble shooting I found that D51 the diode in the LED drive boost circuit, between the Inductor and C17 output cap, is shorted.

It is a SMD part and has two markings on it. C310 & CH2d. Searching the web, I have come up blank. Does anyone have any info on it.

Thanks

[budm]

Re: Insignia ns-32e440a13 LED TV

For testing that boost converter you can use through hole Schottky Diode 200~400V rating with 2~3A rating.