Question about Technics Audio Players & Recorders
The CD player worked fine when last used a couple of months ago. But when I insert a disc now and press the play button, Track 1 appears in the window then nothing happens and after a few moments I get a message "CD no disc". Is this something I (not an electronics person) can fix?
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Posted on Jan 02, 2017
The laser is damaged or dirty. Try gently swabbing the lens with rubbing alcohol and drying with canned air. If this fails the laser is damaged and unrepairable.
Posted on Sep 12, 2007
I believe it can only read certain bitrates. I noticed that if I run the track error files through audacity and re-save as an mp3 with 192 kbps encoding it plays fine. Give it a try - re-encoding.
Posted on Nov 12, 2009
SOURCE: Technics SL PJ27
First I think you should turn your player on and wait 5 - 40 minutes before before you start liste3ning music.
because electrolytic capasitors may be little broken and those can repair themselves but it takes a while.
Good rule of thumb is that If you don't use every day an old device
then you should give to it every time a soft start . like I mentioned earlier
turn power on and wait.
Second try to play music cd which don't have any scratches and without any copyprotections
Third Disconnect power cable
Then open device and try to clean all dust.
Look for hairs and other difficult to see objects uselly
you find at least one hair inside old cd player.
If hair is around disk spindle it maybe difficult to
Check that cd-disk makes good contact so remove even tiniest dust and hairs
between cd-player and copact-disk. It may be called spindle or what ever but
still try to clean it with Isopropyl alcohol and remove dust and filth.
Check laserlens and is there some dryed liquid stains if there is try to remove those
with Isopropyl alcohol and swabs. Don't use any force and you can tear a top of swab little longer
(about one inch) and you get swabs which are much easier to use these kind of delicate cleanings.
Lubricate every moving part with lithiumgreese don't make any mess.
This last fix is for most desperate ones.
Connect the power cable and push eject and be carefull because
you can get fatal electric shock.
Disconect power cable. You can use extension cord which have on/off powerswitch.
You can see six tiny trim pots.
First take photo of those pots so you can undo all changes.
Change only one pot and only about 1/8 of turn. Turn power on and test if you make it worst or better.
If you think you fixed the problem that is not the case ... yet.
Then you have to make finall test and play a lot of music cd:s and after that you have fixed the problem.
Make notes which cd:s and what track your player don't play properly and use those
cd:s to testing those trimpot changes.
Posted on Dec 30, 2009
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