DVD DIY REPAIRS
Please help- DIY electronic repairs?
Last night we sat down to watch a DVD and it displayed a split screen…the right half of the screen was on the left , and the left on the right.
My fiance believes that the DVD player was somehow jarred and the laser thrown off alignment.
Can he open the DVD player and re-align the laser?
It’s not the laser.
The laser reads the bits on the disk, which are basically stored as an MPEG2 or MPEG4 file. If the laser was out of aligment, you wouldn’t get any picture, and you’d hear the servo inside making a little noise, trying to find the disk – servos are the little electromagnets that move the laser’s lens in and out to optimal focus automatically.
After the file gets read, the picture gets converted to analog for NTSC TVs. If the sync pulse got messed up, in the analog circuitry, that would be my first guess. Usually, though, all that is inside a tiny chip, and to desolder one of those and replace it requires a fair bit of skill.
check and see if it does the same with other dvds, or other channels on the tv.
www.VW-DIY.com: VW Beetle Floor Pan Repair & Replacement
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