I have a BIG problem with Sony Handycam TRV120e! It doesn't
charge....Why?Please, help

The most likely reason is that your battery has probably gone bad.
Try a new battery and it will probably work again.

Dave

Video recording in low light
Lens sizes and threading
Going digital?
Is it wort it to purchase original Sony Telephoto Lens?
Camcorder Zoom Question
Advise needed for camcorder / camera
ImageMixer Software Limitation on Video Capture Length?
Looking for a Low-cost System for High-speed Video Acquisition for Spanish Laboratory
High def wmv clips
SHARP PROJECTOR XR-20X is a DECEPTION