Problem JVC VHS camcorder GR-SXM755

I received a JVC VHS camcorder model GR-SXM755 with this problem
when I insert battery, process playing start automatically withaout a tape inside and nothing cant see in display.
please help meto repair this camcorder,which belong to invalid person (handycap).
I am a technician, but in GSM area, so I dont know nothing about
camcorders hardware. I will appreciate any help from anyone