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Looking for a china made jiayin JY-3789 music keyboard instruction manual and circuit board plan

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

szanti
  • 36 Answers

SOURCE: How to identify the model number of a Ademco Alarm

on the top of the circuit board there should be a green lable with the writing P10 P15, P20.
P15 is a Vista 15, P20 is a Vista 20. You can find more info on honeywellsecurity.com.

Posted on Nov 20, 2009

Testimonial: "Thank you Szanti & Fixya...I received information from Honeywell support that the board/model is Ademco Vista 12. Regards Edward "

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1 Answer

Looking for an instruction manual


What kind of manual? For an instrument? A keyboard? A sound system? Please be more specific.

Thanks.

Mar 04, 2015 | Music

2 Answers

L am looking for PSR 620.yamaha keyboard.it is a musical instrument. l want to get the manual.


http://music.manualsonline.com/manuals/mfg/yamaha/psr620.html there you go please give me some thumbs up!

May 10, 2011 | Yamaha PSRS550B Workstation PSR-S550B...

1 Answer

KORG SP-250. Keyboard powers up, you can change all selections, five or six random notes sound, but the other keys produce no sound at all.


There is probably a cable loose that connects the keyboard itself to the processor... OR the key contacts have been contaminated by spilled liquid. The keys are scanned as a matrix. The contacts will be a conductive rubber pressed against circuit board traces. Clean contact "pills" and the circuit traces with ONLY 99% isoprophyl alcohol.
This is NOT for the unskilled to attempt a DIY other than carefully opening and looking for a cable that has come loose.

Mar 22, 2011 | Korg SP-250

1 Answer

How do you replace the adaptor jack on a Casio WK-1200 keyboard ? is it easy ?


Unfortunately the adapter jacks are a bit of a weak point on many keyboards but it is quite seldom the jack socket itself that is at fault.
Often the sockets are soldered directly on to the printed circuit board and are prone to either one of the soldered legs breaking, or even the circuit board itself cracking around the jack socket. 
Whilst it is generally possible, with care, to resolder a broken leg on the socket if the actual circuit board has cracked the whole board will have to be replaced.
If the actual jack socket itself is damaged it should be possible to snip through the legs and remove it before soldering a new one on to the stumps of the old legs. this is likely to prove easier than trying to solder directly onto the circuit board, unless this is something that you are experienced at doing.

Apparently you can purchase a full service manual for the Casio WK-1200 here for a modest price but I have not used this source myself so cannot vouch for how good it might be.http://www.tradebit.com/filedetail.php/2084335-repair-manual-casio-wk-1200-electronic-keyboard

Feb 02, 2011 | Casio Music

2 Answers

Service manual for CASIO CA110 keyboard


I have a user manual for thecasio ca 110 keyboard.
if you need one please e-mail me @ fianchetto60@msn.comalong with your e-mail and I will send you a copy.
thanks!!

Sep 23, 2009 | Music

1 Answer

Yamaha SY77 Keyboard--getting no power at all. Opened it up and used multimeter to test switch, and all fuses that share the circuit board with the switch. Any flowchart for troubleshooting this? Thanks!


Try looking for the voltage rectifier or bridge diode that converts the A.C. supply into D.C. to power the circuits. Test it with your multimeter using the diode test function if you have one.Hope this helps.

Aug 19, 2009 | Yamaha Music

1 Answer

Need a owners manual


Go to http://www.casio.com/support/manuals/ Select musical instruments. Agree to terms. Select your keyboard from the list and download the manual.

Jun 01, 2009 | Casio Computers & Internet

2 Answers

Casio CT-670 Tone Bank keyboard completely dead


How familiar are you with schematics? I've just found my CT-670, There where marker marks on the keys. I cleaned it up. I took it apart as one channels had no sound. I love this machine. I want to find a manual for it also schematics would be very helpful for me too.
I would suggest looking inside for burns on semiconductors. or loose soldering. I need to replace a chip that has no cross reference... that I've found yet... I think it's an amplifier but need to spend more time on it....

Mar 14, 2009 | Casio Music

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