Question about Televison & Video
My 5 disk changer plays single layer SACD's perfectly. The unit stopped reading the SACD layer on hybrid CDs. I ran two CD lens cleaners without success. Then I opened the unit and cleaned lens with alcohol. Still no luck. I'm reluctant to buy a used one off e-bay without testing. How difficult is it to replace the optical laser lens pickup? Thanks for your time!
Posted by Anonymous on
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Posted on Jan 02, 2017
Could be But most of the time when a tech says a laser assy is bad Its not. It could be a simple grating adj on the pickup assy that alot of techs dont have a clue what it is. This alighnment requires speacial tools and is not advised if you dont know how to do it. What it does is adj. the laser postion onto the prism inside the pickup assy. Or youer problem could be a tracking/focus Gain or offsetr alighnment. This has to be dont looking at the rf waveform from the pickup assy drive circuit via an oscilliscope. These are not unfortantly a consumer adjustment as well. If its an inexpensive player, such as more then a year or so old or under 75 bucks , it probably wont pay to have someone look at it. My friend , this is the times of the throwaway world!! Good Luck
Posted on Jun 20, 2006
I just filed a complaint with Better Business Bureau against Samsung. Would anyone be interested in joining me in the complaint?
Posted on Jan 05, 2008
This is a common problem on CD and DVD players.
Altini is correct to a point. You can try taking the top case off, removing the DVD drive and taking the top off of the drive. Then use a q-tip on the laser lense. I use a little squirt of windex on the q-tip. Gently clean the lense even if it doesn't look dirty. Make sure you very gently work the lense up and down through it's travel. This will make sure no dust or dirt is interfering with the lense focusing.
Reassemble and try your movies again. This is a 50 50 proposition. If you still have the same problem, the mechanism has likely gone bad. Time for a new DVD player.
Posted on Feb 14, 2008
This is a common problem for this model. It has a memory IC that must be replaced. This is a surface mounted IC that requires exceptional soldering skills to replace. I work at an authorized Pioneer service center and have repaired a good number of these for this exact problem. Unless you have great soldering skills it is not something that should be attempted to do yourself, it can cause permanent damage to the board if not done perfectly.
If you have the proper skills and soldering equipment I will be happy to give you the Pioneer part number so you can replace it yourself. If not, then you really should just take it to a service center and have a professional do this.
Let me know if you would like that part number.
Posted on Dec 12, 2008
SOURCE: jvc dvd player no disc error
I did have a similar problem. It was solved by cleaning the laser lenses/prisma. You have to dismantle the whole pick-up the to see the laser lenses.
There is one lens which is held by couple wires and below there is prisma/mirror.
I did use ear-cleaner-stick and desinfection liquid (with alcohol) for cleaning. Now it works!
Posted on Nov 27, 2009
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