View Full Version : PS-X7 repairs


Blue Shadow
11-12-2008, 08:31 PM
I picked up a PS-X7 last summer which had a hitch in its giddy-up. While trying to make some electrical adjustments, there was a spark, the table died. After a bunch of help from Grainger, I replaced the blown resistor and the unit started working again, so a recap was in order to see about solving the speed problem. The SM is on VE so I had the paperwork I needed.

Finally did the recap last week and got 33 running right. 45 still had the hitch. Now on to the intermittent start.

This automatic TT cycles a solenoid to trigger the start-stop. Since the solenoid was getting a signal, I had to pull the mechanism from the table and see what was up. Turns out the pivot point for the arm acted on by the solenoid had old dry grease. A cleanup and lube and the start-stop is working fine. And I noticed the 45 speed was good tonight, also.

I guess this old TT is going to turn out to be a decent purchase if I don't count the time spend on fixing it. A few more mechanical adjustments, lead-in and lead -out and I'll get to see how it sounds.

hakaplan
11-12-2008, 10:26 PM
It's a winner. You'll be happy you put the work into it.

dshoaf
11-12-2008, 11:31 PM
I've got an PS-X6, the only difference being the carbon-fiber tone arm on yours. These are, indeed, fine tables.

Be careful on the adjustable feet, though. They have a hollow threaded shaft that break really easily. To fix this, cut the head off of a small diameter nail and epoxy it into the hollow shafts.

Next, make sure the power supply voltages are ok. I believe there are adjustments for them, too. It will make a difference in your table speeds.

Lastly, my interconnect cables were pretty much shot when I got it. Turns out that the 'low capacitance' cable used a foam insulator between the conductors that falls apart. Swapping them while you have the bottom off isn't a bad idea.

Cheers,

David

Blue Shadow
11-13-2008, 11:48 AM
David, I have researched this table, mostly on AK and you have written a lot about it. I bought it for my brother who indicated an interest in getting back into vinyl and since it was a better unit and cheap, I thought it was worth the risk buying it.

I did cushion this with a pair of $5 Epicure 20s needing foam, but as far as the table goes, I did the repairs you recommended after getting it home. No sense working on a table, flipping it over when the legs might break. I finished putting the unit back together, adjusting the auto-shutoff (had to release the photoelectric blind to pull the subframe [written "subflame" in the manual] to access the solenoid and the arm it acts on) as well as a few other adjustments.

Since this is a present for my brother, I'll rebox it and supply a copy of the manuals. But I have decided he will not get it until Christmas. I've got a month to enjoy this one. But I will have to live with the original plastic still on the dust cover as removing that is something he wants to do...You know that New Turntable Sensation.

I learned a lot about this table doing this major surgery and hope I can work my way through a friend's PS-X5 which has messed up automatic functions. Things seem out of place and move in odd ways and I have no manual for this one. The automatic subframe is different, too.

So David, thanks for the list of important issues with this table I have collected from your posts. When my brother gets this table he will be pretty happy. I'll let him decide if he wants a set of Petra cables or RCA jacks on the back of this unit as I have not changed the cables, yet.

And Howard, I do feel good about the work on this table now that it is back together. It goes in the system today and I'll start washing some of the recent vinyl acquisitions and see how they sound. But then I'll have to give this one away and go back to my manual tables.

MAXZ28
11-13-2008, 11:59 AM
The PS-X7 is a keeper, IMHO. Nice save! :thmbsp: