Question about DVD & Blu-Ray Players
When I insert a new disk it comes up with the following error when trying to record or format -
Recording Error - Unable to record on tis disc - E4 5037380
SOURCE: Funai DRV-B2737 Error message
I'd had this problem with my 2737 for quite some time but haven't had the time to fix this until now.
Just for the record it has one laser unit inside which fires off two frequencies one for read the other for write. Anyway, I've been repairing Playstation 1 and 2 and Xbox for years and the most common problem seem to be disc read errors caused by seemingly failing lasers or scratched/damaged discs.
The manufacturer sets these lasers at safe usable limits but after some use they start malfunctioning.
I wanted to copy a VHS recorded disc to my PC tonight only to find I hadn't finalised it in my Funai.
Realising I couldn't because of the silly E4 54037380 error I finally took the plunge and dismantled the unit.
NOTE: the following is not for the faint hearted and please use an antistatic wrist strap to earth yourself.
The Disc tray mechanism has to be removed and a small circuit board directly to the right has too be released. There are a plethora of ribbon cables but only one needs disconnection. Carefully turn the disc drive mechanism on it's back and un clip the thick ribbon cable that attaches to the laser. Tuck the cable out of the way being careful not to damage it. Move the lens unit to the top of the tray mechanism and note there are two potetiometers Using a pot tool or fine flat bladed screwdriver adjust the lower pot by an eigth of a turn (this increases the frequency of the recording laser enough to eliminate the E4 54037380 error completely or it did in my case).Problem solved fully working recorder.
Disconnect Funai from mains and remove the top casing (5 screws)
There are 4 screws holding disc drive mechanism in front right most tricky (use grabber tool to retrieve screw)
Top right has an earth cable connected to it
The other end of the earth cable is held in by another screw on the circuit board next to the drive mechanism this also needs removing
The screw directly below this with the metal earth case strip remove.
The board is held on by two small plastic lugs which need compressing so the board can pop up.
Remove drive mechanism carefully along with the circuit board and flip the whole lot over. Be mindful of the ribbon cables as they are fragile
Posted on Jun 23, 2009
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