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Lancew561
Lancew561, Engineer
Category: Consumer Electronics
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Experience:  Over 40 years Electronic Engineer to Component Level Transmitter Reciever Expert
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My bose 321 dvd system periodically, more often lately, freezes

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My bose 321 dvd system periodically, more often lately, freezes during certain dvd or cd play. And often can not read disc at all and displays either can not read disc or format not compatable. It is constantly cleaned appropriately, laser lens is cleaned after at least every 10 or less of use and all cd's and dvd's are the same region and are all new or like new. Please help and save me hundreds of dollars in repair.
Submitted: 5 years ago.
Category: Consumer Electronics
Expert:  Lancew561 replied 5 years ago.

 

Hello RS, good news follow my proved professional laser cleaning method below also a link to a repair company that has been doing out of warranty Bose for over 20 years and at a flat rate yours I believe even if needing a new laser would be $99 plus freight (much better than factory rate) but do try quality cleaning method first.

 

 

Sometimes if CD disk is still spinning sometimes one of the cleaning disks with little brushes on the bottom will work but if laser does not focus it will never spin the disk. Hence no cleaning disk will clean.

 

Since this does not work try a professional cleaning like below

Remove screws from cover lid with unit unplugged. Get isopropyl alcohol 80-90% pure from say Walgreen's. Original regular blue Windex works great also. With Q tip clean laser 1/4 inch diameter glass lens in circular motion and dry with other end. This cleans dust off laser and works much better than any cleaning disk. If cleaning laser lens does not fix the laser needs replacement. This works on any CD, DVD player and/or recorder...........Note some Bose units have special anti-tamper screws on bottom that great news Home Depo & Lowes hardware have in stock. If so bring unit in to the tool section & they will usually help get it apart.

 

If above does not work check out this great semi-hidden company....

http://www.myboserepair.com/

 

BEST WISHES ALWAYS Lance..............

 

 

Expert:  Lancew561 replied 5 years ago.

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Customer: replied 5 years ago.

Lance, i just got back from vacation and i saw your prompt answer, which i appreciate. sorry, i haven't gotten back to you sooner. i will try your quality cleaning method you advised. however, it may be a day or two before i know the results due to not having 80%-90% isopropyl alcohol on hand. i only have 70% IA (rubbing alcohol) which is probably i assume not pure enough for proper cleaning. nor do i have windex on hand, either. furthermore, i believe but not certain that the screws may be anti-tamper ones like you suggested and if so there is a lowes and home depot near my home to further my progress. so again thanks for all your advice and your pataince. i ask please be a bit more while i pursue the cleaning avenue you outlined and if it works i will gladly accept the answer and give excellent feedback and posibbly a bonus to boot. if it does not i will use your link you provided and go the laser replacement route. standby a bit longer and i will definately be in contact. thanks again.

 

Best Regards,

Rick Woolcott

Expert:  Lancew561 replied 5 years ago.

 

Hello Rick, yes that is great this will time out in about 12 hours. I have ordered a complete laser assy from Bose for a unit and replaced myself with total cost about $90 including freight so not to bad even if cleaning does not help..Check out this link that shows laser mechanisms so you can see what they look like...Best Again Lance....

http://www.matelectronics.com/acatalog/Mat_Electronics_CD_Laser_Heads___Assemblies_21.html

 

 

Lancew561, Engineer
Satisfied Customers: 177
Experience: Over 40 years Electronic Engineer to Component Level Transmitter Reciever Expert
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