2010 Macbook dim display?

2010 Macbook dim display?
Guys can you help with this please.

A 2010 A1342 Unibody white macbook.
No inverter in this model.
Powers direct of logic board via lvds cable.
lcd display model LP133WX2-TLG6

now screen smashed so ordered a screen off ebay for this model noted that Now tried 2 new LCDs
And 2 new VLCD Cables

Anyway the result is the macbook lcd backlight does not come on. Can see if torch on it.

Now no inverter on this model.

Question
do you think its just a wrong lcd model. or could there be something else?

FUSE?

IS it possible their is fuse on logic board that is stopping my A1342 macbooks LCD from lighting up?

any one