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mckeesonline | 1 May 2012 07:22
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Re: SP88x - Volume slider problem / Sounds "pumping"

Roger,
Thanks for the info!

Bertman

--- In KurzList <at> yahoogroups.com, Roger J <winking_n_nodding <at> ...> wrote:
>
> Most likely the slider took a blow and it flattened the contact wipers. Easy to check with a basic
meter.  As I recall, it is a 10K "B" or linear pot. It can be taken apart and the finger wipers straighten
if you do not have a replacement. Do not clean the "factory grease" off or spray with solvents.
> 
> 
> Also, never plug your audio cable into the SP88 audio out jack first!!!! Plug into the mixer or amp first,
then the SP88.  The output IC can be blow from static discharges. Number one cause of troubles on the
SP88. 
> 
> 
> 
> 
> >________________________________
> > From: mckeesonline <robertcmckee <at> ...>
> >To: KurzList <at> yahoogroups.com 
> >Sent: Monday, April 30, 2012 5:00 AM
> >Subject: [KL] SP88x - Volume slider problem /  Sounds "pumping"
> > 
> >
> >  
> >Hello all,
> >I recently purchase a used, SP88x for my daughter.  It looks brand new.  However, the volume slider does not
attenuate the sound.  I've checked it, and it's set to channel 7 (volume).  It seems to run at full volume all
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KurzList | 1 May 2012 14:12
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File - MonthlyFAQ


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imaybetoocool | 2 May 2012 18:20
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Re: Midi Setups Not Working Correctly


--- In KurzList <at> yahoogroups.com, "imaybetoocool" <rockitboy <at> ...> wrote:
>
> 
> 
> 
> 
> --- In KurzList <at> yahoogroups.com, jon kirch <jonkirch <at> > wrote:
> >
> > My PC88mx + and - buttons do what they are suppose to when moving thru 
> > setups. Check your setups to make sure there isn't  conflict with your 
> > switch controllers. Setup inc is control # 135, dec is 136.
> > If you have the manual you'll find this info on page 5-14.
> > There could also be be an issue with your program increment 132 and 
> > decrement 133 assignments within each zone.
> > 
> > You might want to start from scratch. Create a new setup and scrutinize 
> > all the parameters .. are 132, 133 and 135, 136 set properly? ..... make 
> > sure they are compatible with the needs of your performances before 
> > assigning actual patches to them.
> > 
> > My hunch is that somewhere in your original/default setup, one or 
> > perhaps more of the above parameters has gone skwerky and has then been 
> > copied to subsequent setups. It might be possible for you to correct all 
> > this on a setup by setup basis  ... but I still think it worth it to 
> > make sure the setup you're using as you default template is clean.
> > 
> > The next place to trouble shoot is with midi transmit/receive but I 
> > would focus on the other area first.
> > jjk
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ID | 3 May 2012 04:25

Mark 152i squeaky keys

hello, i have a Mark 152i piano and some if not most of the keys seem to be squeaking whenever they are played. i
was wondering if there are any quick and easy fixes or if im gonna end up having to have a profesional look at
it 

thank you

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Roger J | 3 May 2012 09:30
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Re: Mark 152i squeaky keys

More so on the naturals or just some of both the naturals and sharps?key down or key up?  
                 

>________________________________
> From: ID <itamarslam <at> walla.com>
>To: KurzList <at> yahoogroups.com 
>Sent: Wednesday, May 2, 2012 7:25 PM
>Subject: [KL] Mark 152i squeaky keys
> 
>
>  
>hello, i have a Mark 152i piano and some if not most of the keys seem to be squeaking whenever they are played.
i was wondering if there are any quick and easy fixes or if im gonna end up having to have a profesional look at
it 
>
>thank you
>
>
> 
>
>

[Non-text portions of this message have been removed]

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kurzweil5 | 3 May 2012 14:40
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Re: Screwed something up putting SP88 back together

The solution to a problem appearing after you've worked on something almost always involves taking it back
apart and checking everything you touched.  Those little ribbon cables can be daunting.  And they will go in
upside down just as readily as right side up.  Probably no damage; just a connection issue.

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ID | 3 May 2012 16:16

Re: Mark 152i squeaky keys

more on the naturals

--- In KurzList <at> yahoogroups.com, Roger J <winking_n_nodding <at> ...> wrote:
>
> More so on the naturals or just some of both the naturals and sharps?key down or key up?  
                 
> 
> 
> 
> 
> >________________________________
> > From: ID <itamarslam <at> ...>
> >To: KurzList <at> yahoogroups.com 
> >Sent: Wednesday, May 2, 2012 7:25 PM
> >Subject: [KL] Mark 152i squeaky keys
> > 
> >
> >  
> >hello, i have a Mark 152i piano and some if not most of the keys seem to be squeaking whenever they are
played. i was wondering if there are any quick and easy fixes or if im gonna end up having to have a
profesional look at it 
> >
> >thank you
> >
> >
> > 
> >
> >
> 
> [Non-text portions of this message have been removed]
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jon kirch | 3 May 2012 17:52
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Re: Midi Setups Not Working Correctly

I believe you're looking at the same issue as with the other problem 
.... after you've assigned the patch to you're zone use the alpha wheel 
to scroll through the different parameters and make sure the cc info is 
properly assigned to the wheels or sliders or buttons. To reverse 
engineer this I would go to patch 50 and look at the default cc 
assignments, take note, then move on to the new setup and make sure the 
cc assignments you just jotted down are correctly assigned and active. 
As in the previous issue, make sure you have the entry and exit 
transmits the way you want them.
Keep in mind the machine has no way of knowing what you are expecting of 
the new setup ... it's a computer so it's stupid and needs to be told 
everything to do .... you've told it to use patch 50 in Zone 1 for the 
sound but it has no way of knowing you also want the wheels or sliders 
or buttons doing one thing or the other.
The default 127 setup has no buttons or sliders assigned ... wheel 1 is 
pitch up and down, wheel 2 is cc # 1 (modulation) ...' but modulate 
what?' says the stupid machine!
If you have the manual you will find the default setup template on pg 
E-5, on E-1 there is a list of all the factory setups and how everything 
is assigned ... if you don't have the manual you can always go into the 
factory setups and use the alpha wheel to scroll thru and look at all 
this stuff .....
Without getting preachy, checking all this stuff out is really worth it 
because regardless of the fact that the PC88mx is pretty old now, the 
concepts/philosophy/logic of the machine is pretty universal ... 
regardless of who manufactured .... (and in it's day, Kurzweil really 
set the standard).... so get comfortable with all this and you'll be 
just as comfortable with any other controller or workstation you run into.
jjk
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Spencer Ellsworth | 3 May 2012 18:52
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Re: Re: Screwed something up putting SP88 back together

Yeah. I really jammed it in there. I think I need to take it out and gently
put it back in.

I don't use the sliders. In fact, I use the entire keyboard as a slave to
my Nord Electro live, using nothing but the Nord sounds. I wonder if I even
need the sliders connected. I do switch MIDI channels live to split the
Nord's sounds.

On Thu, May 3, 2012 at 5:40 AM, kurzweil5 <bornb <at> juno.com> wrote:

> **
>
>
> The solution to a problem appearing after you've worked on something
> almost always involves taking it back apart and checking everything you
> touched. Those little ribbon cables can be daunting. And they will go in
> upside down just as readily as right side up. Probably no damage; just a
> connection issue.
>
>  
>

--

-- 
Spencer Ellsworth

http://spencerellsworth.blogspot.com

[Non-text portions of this message have been removed]

------------------------------------
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Roger J | 3 May 2012 23:01
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Re: Mark 152i squeaky keys

I think you will find that where the key contacts the hammer is the source of the problem.  There is a plastic
actuator on the bottom of each key.  This push on red felt that is part of each hammer.  If you remove one of
the noisy natural key, you will find that the plastic actuator on the key has wear marks and the felt will
have some dirt imbedded too.  To test if it is the actuator squeaking, take something handy and rub/scrap
off the crap on the felt.  This will reduce the squeak or eliminate it. 

If so, I would remove all of the keys.  Keep the springs separated, as the sharps and naturals are
different. you will need to find the perfect slotted screw drive to insert into the key pivot to release the
plastic latch that hold the key to the pivot. Clean and remove debris.  

Re-install each key after placing a lubricant on each key where the actuator contacts the hammer felt. 
There is a lot of discussion on what to use.  Some guys use petroleum jelly.  I have used white
grease(Luberx) with good results.  It must be sticky to stay on the hammers/actuators without dripping
on every thing else.

The noise is cause by the plastic actuator chattering.  This is why it happens on the naturals more, as they
are more flexible.  The model of action that when into the 152i was a FATAR model 10MDF and 10MDR.  Each
had a extra rib added to the actuator prevent this from occurring. This has a problem on the earlier
version, the model 10MD.

If you remove the cheek blocks and the sill(on the ends and front of the keybed), then the keybed screws(all
under), you can slide it forward a bit and lift slightly and unplug both cables.

Easier after you have done a several hundred!

RL

>________________________________
> From: ID <itamarslam <at> walla.com>
>To: KurzList <at> yahoogroups.com
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Gmane