Introduce your keyboards

Yamaha PSR/PSS & DGX Home Keyboards. If your particular model PSR/PSS/DGX keyboard doesn't have it's own section here is the place to post.

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biuro74
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Introduce your keyboards

Unread post by biuro74 » Fri Jul 31, 2015 11:10 pm

This was my second PSR-740 which I upgraded with USB-floppy emulator:
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This was PSR-2000 with two holes - one per each casing:
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repaired to:
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And this is latest PSR-3000, which seemed to be a bit "awful" (having PSR-2k before), so speakers grills has been repainted (pictures used @ auction):
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What are your modifications ?

... and my current PSR-S900 with no modifications, but I had to change upper casing to brand new due to too many damage @ old one:
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... PSR S900 sold, in the meanwhile I've painted PSR-1100 speaker's grilles:
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.. and in meanwhile of this meanwhile ;-) I've reworked Tyros bad crack. Sorry BTW... I need to complain - lady who sold me this Tyros didn't mention about any cracks. So I went 100 miles for it just to see... bang... big, sloppy glued crack. Lady, next time I will refuse purchasing such damaged keyboard and ask for return fuel cost !
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to look like this (still have no correct casing paint code):
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LOL, I had to watch few videos first... how to paint nice planet with spray ;-)

... next one is S900 with broken (and missing big piece) notes rest holder:
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... job done. Never will do it as service, but will have to do when purchased broken again :/
Last edited by biuro74 on Tue Jul 11, 2017 8:02 pm, edited 4 times in total.

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Re: Introduce your keyboards

Unread post by biuro74 » Sun Jun 18, 2017 12:55 am

Sure, similar job happened again :/ but as said - didn't repair music rest hinges (altough broken). Now - I've tried "magician car repairer's masterpiece", lol... and I've mixed two cases together. Be careful :) I'm explaining: S700 keyboard purchased has been eaten left side (see first picture) and was missing plenty PCBs like headphones, benders... and one driver was taken from el-cheapo speakers and screwed in with-force-like-big-flood-after-my-death (mate....really ?) , so I've purchased brand new bottom part (thanks Mike ! as well for rest of components), but I decided to swap upper casing from my old S900 which was awaiting for pickup to recycling centre in my garage... this S900 case was a bit worn, and had no music rest hinges (was broken), so I've cut whole portion of casing from S700 that included all back socket holes and put into S900 - see picture. Later, I've masked Mic/Vocal Harmony hole for non-existing button, sanded down some descriptions, painted casing partially and "restored" descriptions (own project), so after lacquering all thing looks like that:

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Last edited by biuro74 on Tue Jul 11, 2017 8:07 pm, edited 1 time in total.

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Re: Introduce your keyboards

Unread post by Buzzard » Sun Jun 18, 2017 9:02 am

Brilliant, that's some well done repair work. ((i))

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Re: Introduce your keyboards

Unread post by Saul » Sun Jun 18, 2017 9:44 am

Nice job. Have you thought about investing in a 3D Printer? You could then make your own replacement case parts :)

https://www.amazon.co.uk/3d-Printers/b? ... 6283030031
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Re: Introduce your keyboards

Unread post by biuro74 » Mon Jun 19, 2017 12:20 am

Saul wrote:
Sun Jun 18, 2017 9:44 am
Nice job. Have you thought about investing in a 3D Printer? You could then make your own replacement case parts :)

https://www.amazon.co.uk/3d-Printers/b? ... 6283030031
Yes, I've thought about it, and process was long and full of arguments - either pros and cons.
Originally, I've started to think about 3D printer in case of Tyros repairs, when I couldn't find music rest brackets. As you know, Yamaha stopped supporting Tyros (one) some time ago, and finding such part was a nightmare... Yamaha main dealers run out of this part, so all I could count was second hand market, like Ebay and Amazon. I've acquired one (of two) such bracket, so one was still missing... and I was tempted to get such 3D printer very much, but after brainstorm I've realized the overall cost would be too high... Such bracket was easily to "copy" with molding process... in case of T1 bracket - together with T2 bracket cutting the proper part (upper one) and adding (by molding) the bottom part & gluing together both parts & paint & lacquer = should have saticfactory final element.... but I've found cheap pair of these brackets (20 pounds or so), so stopped thinking about spending 180 pounds for 3D printer ;-) Especialy that some "small" details play a role, like additional sponge-pads I would have to add, or holes to make even (edges), just in case ... However I still think it's very tempting, but economical calculation is adamant... I would need more jobs with elements that are not available by Yamaha = to explain to myself why I have to buy such printer :)

By the way - I've made custom pitch bender PCB (and appropriate cable), just because Yamaha didn't have two (PB and MOD boards at the time, when I needed them), so I had to purchase genuine MOD board and make PB from the scratch by myself. Again, thanks to Mike I've found that PB and MOD boards are the same (well.. except the socket itself, which is 3-pin versus 4-pin = probably due to Yamaha didn't want to users make some mess with bad connecting, if both were 3-pins... as both use just 3 lines only = voltage, GND and signal), so regarding to service manual I've created PCB layout, printed with laser printer using special paper, transferred it to 2-sided copper clad, etched, soldered in and lacquered:

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Board works fine :) however the worst part was soldering (yes) terminals in the Japaneese plugs (good info is such plugs are available) as original method was crimping terminals with special tool which costs... above 120-130 pounds, lol.
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P.S. "Thank you" Photobucket for applying charges for using your account. I will never forget your "offer" to pay 400 pounds a year just to use your pictures at various forums. My "thank you" will be account closure in your hosting. I recommend all people to forget this miserable and pathetic "brand name" like photobucket.
Last edited by biuro74 on Tue Jul 11, 2017 8:13 pm, edited 1 time in total.

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Re: Introduce your keyboards

Unread post by Saul » Mon Jun 19, 2017 11:38 am

Well have often considered a 3D printer myself and I will get one just as soon as we have space for it. My own use would be for custom parts and probably a load of other things I have no yet thought of. Still, given the amount of keyboards out there with broken cases I think it could soon pay for itself, especially with older keyboards where parts are no longer stocked.
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