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John-Michael Mahnke Posted on Dec 10, 2015
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I have I Technics PR-305 Digital Piano. I took it apart to try to clean the rubber contacts with rubbing alcohol. It improve some what, then later on I turned on my Technics R-305 Digital Piano.

I have a Technics PR-305 Digital Piano. I took it apart to clean the contacts under the keys That I attempted to do. Then later on I turned on My Technics PR-305 Digital Piano, and it didn`t work, Only the front light and LCD display worked. What would I do?

  • John-Michael Mahnke
    John-Michael Mahnke Dec 10, 2015

    This is something that I wanted to see if I could get the Technics PR-305 Digital Piano to work again, they are amazing pianos and easy to program, and are my favorite. I can make them sound like a five manual pipe organ too.

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1 Answer

rhodesworks

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  • Music Master 3,159 Answers
  • Posted on Dec 11, 2015
rhodesworks
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I would suggest taking it into the nearest factory authorized repair center. Go to the Technics web site to find one in your area.

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5 Related Answers

Daryl Gleaton

  • 749 Answers
  • Posted on Apr 16, 2014

SOURCE: LCD Display screen on a Technics PR-305.

Only by replacing the screen.

Testimonial: "I`d like to thank you for the advice on liquid crystal display."

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moe_2782

andrias

  • 443 Answers
  • Posted on Jun 12, 2014

SOURCE: I have a Technics PR-305 Digital piano The back light is barely light when I turn on the piano Can that be replaced?

yes maybe you may fined that some of the power to the led is being blocked by causing a larger resistant to the led which will cause it not to light up as bright.

mrstanskaggs

Stan Skaggs

  • 118 Answers
  • Posted on Jun 25, 2014

SOURCE: 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.

matthewpiilo

Matty Piilo

  • 150 Answers
  • Posted on Jul 14, 2014

SOURCE: I have a Technics PR-305 LCD Screen, The back light has dimmed So I can barely see it. What causes the back light to dim after awhile

could be a power saving feature check your manual

john fritz

  • 4 Answers
  • Posted on Nov 26, 2014

SOURCE: I have a Technics PR-305 Digital Piano It was working at the End of October, but around the beginning of November 5 my Technics PR-305 Digital Piano made a loud humming sound, then it quieted down, I

Also, in addition to more info I need; look on p 91 of the online owner's manual linked below. Pay attention to Sounds and Effects, the first section therein. Follow the directions closely, esp., read pp. 26, 83, and 86 which are referenced for detailed help w/ sound issues. TECHNICS SX PR305 Manual Page 91

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I have a Technics PR-305 Digital Piano. I turned on the power it worked when i played it, the next time I turned on the power it didn`t work, can the Electronic board be repaired to work again?

Your best bet would be to contact Technics customer service to locate the best repair shop in your area and to check on the availablity of parts for your specific model.
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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.

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I have a Technics PR-305 Digital Piano in which I play on. I took apart the Digital piano to get to the rubber contact to clean them. later on I went to turn on the piano and it didn`t work.

Attempted to clean? Not a good idea obviously...Take it apart like you did before and look at the wiring and imagine that you can divine the thing to reveal some logical explanation. If you used a contact cleaner or spray to clean, that could be death to that piano my friend.

Dec 12, 2015 • Music
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Hi I have a Technics PR-305 Digital Piano, that I had since the fall of 2001. I went to play on it on it today Some of the notes in the chords weren`t sounding.

Sometimes the contacts under the keys get dirty and must be cleaned. To do this you have to disassemble the keyboard,
carefully remove the PCB under the whole keyboard, locate the not sounding notes, remove tre siliconic stripe with the contact and gently clean the inside black conductive rubber pills with a cottonfioc and alcool.
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Oct 12, 2015 • Music
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I have a Technics PR-305 Digital Piano It was working at the End of October, but around the beginning of November 5 my Technics PR-305 Digital Piano made a loud humming sound, then it quieted down, I

Also, in addition to more info I need; look on p 91 of the online owner's manual linked below. Pay attention to Sounds and Effects, the first section therein. Follow the directions closely, esp., read pp. 26, 83, and 86 which are referenced for detailed help w/ sound issues. TECHNICS SX PR305 Manual Page 91
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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/
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I Have a Technics PR-305 Digital piano that I have for a little over 12 years ago that I enjoy playing on very much, I have a distortion problem in my speakers it`s not very bad I was told in Fixya th

The Speakers can be replaced with any brand. The thing you need to know is the OHM rating for the speaker. OHM is also called impedance. Unless the sticker has fallen off the back of the speaker that information will be on that sticker. OHM rating MUST match the old speaker. For instance 4 OHM, 8 OHM, 16 OHM are common ratings. All different ratings but VERY important to get this correct otherwise you could damage the electronics of your instrument.
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I have a Technics PR-305 Digital Piano That has a Distortion in My Speakers it`s not really bad, Would I have to get new speakers, if so where would I get them at? or could they be repaired?

It sounds like the rubber around the speakers has perished. Open the cabinet to check. If so, measure the size and order replacements easily on internet. It's a simple job for someone with a little knowhow
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