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mschwilson 7th April 2010 02:17 PM

Pioneer PD-9300 carriage problem
I have just got hold of a Pioneer PD-9300 cd player which unfortunately will not play.
I suspect that the fault is with the carriage, as the laser unit is always "loose", even when it tries to read discs.
What I mean by that, is that when I inset a disc, everything works except the carriage on which the laser is mounted, which just sits and does nothing.
It is free moving,but appears to have no power to it.
I also noticed another fault with the unit, in that the display button lights the LED when pressed, but does not appear to do anything.
Can anyone help.

mschwilson 17th April 2010 03:39 PM

Since I wrote the above problem, I have been busy trying to find what is wrong, but I am having no luck.
I have found two blown fuse type components, marked N10 (IC22 and IC23 on the schematic), and a blown transistor marked A1084 (Q10 on the schmatic).
I replaced them and checked lots of other components, but found nothing else wrong, so I fired it up.
They blew.
I stripped the machine, replaced them again and fired it up with nothing connected. I did this until the only thing left to connect was the laser "ribbon" cable.
They blew again.
I have tested so many components now that I'm about to give up, so I thought I would have one last bash at asking for help.
If it is of use, I have the service manual for it (PD-71), but I cannot upload it here for some reason.
I will send a copy via email, if there is anyone who can help.
Just send a request to
Thank's for your time.

parkerdiesel 12th December 2012 05:29 PM

the search for the answer. why?
Hey just wondered if you ever made headway or fixed your pd-9300. I have the same unit with the same problem. Thanks, Parker.

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