Nikon F6 slow auto focus problem

Nikon F6 slow auto focus + Viewfinder no LCD data. On removing batteries timer resets.
Something with power. If I put G lens shows empty batteries and will not work even new battaries inside. F autofocs lenses 2-3 times slower.
In Nikon F6 is internal batterie for camera clock and you can not replace it. Need to send to service. It is charging from CR123A for ~48 hours. If you remove CR123A camera clock will for ~4monthes.

[@6876747]

I don't know but im looking to buy F6 so thank u for the heads up!

[@AndrejsZavadskis]

how to fix ?

[@Film_Fog]

Is this problem fixed with the latest (and last that will ever be) firmware?

[@PhamDuySG]

My F6 focusing as slow as your, I don’t have any other camera so I thought it was normal.

[@MrZavadskis]

it is not normal. still fixing it. will post result.

[@njoubert]

My F6 also seems as slow as yours, WTF!