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Technics pcm keyboard kn 1200 window lights up but no info. how to reset

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I have a Technics PR-305 Digital Piano. I had a couple of guys come out to see if they could fix it. Only the LCD display and the front light worked. It must be the power supply.


Technics, digital piano, keyboard repairs, repair, service ...

www.mikebarden.com/technics-electronic-digital-kn-pr-px-piano-keybo...
technics, technic, tecnic, digital piano repair, service, servicing, digital, electronic, ... pr200, pr250, pr270, pr3, pr300, pr303, pr305, pr307, pr350, pr370, pr40, pr5, pr50, ... It needs extremely specialised repair work which must only be carried out by .... nodisplay, LEDS don't light up (except for the one on the front of the piano ...

Dec 18, 2015 | Music

1 Answer

Can an inverter that powers the back light of an LCD display of a Technics PR-305 be repaired to make it light up brighter?


Yes. It is a fluorescent tube. It has to be from the OEM though.. It usually comes as a diver board and tube assy.

Jun 25, 2014 | Yamaha PSRE413 Keyboard

1 Answer

Where would I go to get a back light for a Technics PR-305 Liquid crystal display


It could be the light, or it could be the inverter that powers the backlight. Try asking this guy: http://www.mikebarden.com/technics-electronic-digital-kn-pr-px-piano-keyboard-ensemble-repairs/

Jun 09, 2014 | Universal MCU Extension 4 x 4 16-Key...

1 Answer

Technics organ will not play


Need more info.... using line out or does it have built in speakers, make sure if it uses an ac power adapter that it is the correct one (AC vs DC output and voltage\amp rating makes a difference). Is it moved often, was anything dropped or spilled on it, etc? Age... model number and you say organ I'm guessing it's actually an electronic keyboard?

Jul 04, 2013 | Music

1 Answer

Malfunctioning lcd screen technics kn2000


i need to replace screen display of my KN 2000 Technics K board with a new one because it has become unclear have a lot of lines appear where can i find ,plz help me to replace.

May 31, 2012 | Music

1 Answer

Blue screen on technics kn2000 pcm keyboard all else works


IF the normal screen had a blue background, POSSIBLY the contrast setting got moved to the end of range making the characters invisible.

The contrast control MAY be called several names including CONTRAST, VIEWING ANGLE, etc... Refer to your user manual.

Sep 10, 2010 | Music

2 Answers

Conversion of Technics KN2000 music files into MIDI.


Try this site:

http://www.arloga.com/technics/technics.html

You might need a version of Cakewalk to do this, but it is available.

Jul 21, 2010 | Music

1 Answer

Our keyboard has a VERY LOUD humming noise, will not stop with any keys we push. it is a double level keys and many added features. it is a Technics Pcm sound EX3ol


Likely you are using the wrong or defective power supply. Something in the filtering has failed.

If this uses an external adapter power supply, verify it is the EXACT one for the unit.

If there is just a cord to plug in, the unit will have to be serviced.

The parts should not be very expensive if it is an internal problem.

Dec 22, 2009 | Music

1 Answer

Yamaha 9000pro froze and after restarting doesnt do anything anymore the only thing that happens when i swiths it on is that the display lights up , but it wont start up completely. could it be a harddrive...


First thing is to Isolate the keyboard and then take out the Hard Drive and restart the keyboard. If that doesn't work then that's the first problem eliminated. You can do a Factory Reset on the keyboard. I'm not too sure on this keyboard but mostly it's Turn on the keyboard and simultaniously hold a certain button(s) or Key(s) [normally at the top end]. This info will be in the Manual.You could look at the troubleshooting page in the Manual also. Other than that at this time I can't help any further.......Good luck!

Dec 31, 2008 | Yamaha Full-Size Keyboard

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