Question about Roland RPC-1 Sound Card

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My Roland XP80 is about 15 yrs old. The sound (signal) from the left output (mix) port is creating a whushing/white noise whilst the sound is playing. It's not a lead problem. The right port is ok. Is this easy to fix?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Low Volume on CDs - Roland 2400 CD

Hey Rick, There are a couple of places to look; I'll assume you have a decent input level near -12db average without peaking. First, ensure during playback upper right meter labled MST is near peak without going over, if you have room push the master level above 0db to +1 thru +6db and recheck for peaks above 0db. (You never want digital recordings to hit above peaks, you lose quality or resolution of the sound) As you find the sweet spot, master rec to 23/24-16 using the elevated level on the master fader. The manual suggest editing and mastering with the master fader at 0db however if you don't compress your tracks individually or reprint them at higher levels, you may have a great mix at an overall lower volume, pushing the master fader should help for a quick fix, but if this cures the level issue, try compressing and leveling each track to peaks prior to the first mix only lowering tracks which are too loud, when you get to mastering, all your signals are at their top potential for the CD. Spend a few minutes burning samples at low, just below peak, and just above peak levels on separate tracks and playback in your boombox for reference to a commercial CD. You'll find little to no difference when you are in the sweet spot. Another trick is to mixdown to a separate pair of tracks (not 23/24-16) and compress again during master mixdown rec. (ultimately 23/24-16) Good Luck Jeremy Yates, Radio World LLC.

Posted on Feb 07, 2009

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petraman7
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SOURCE: While playing, my Roland KC-550 will make a loud

Sounds like some solder / component connections have failed
Have a tech check solder joints on the power supply and output amp
I see this on a reg basis

Posted on Aug 19, 2010

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SOURCE: roland f-50 First 7 right hand whites keys appear

One of the lines in the keyboard scanner has opened up. I have an idea what it might be and it is a nasty problem involving circuit traces that are silver conductive paint on a plastic insulating base that separate from a jumper at each end of the strip that the key contacts are made by conductive rubber pills pressed down by the keys. The contact of the flexible circuit under the keys to the jumper cable can be broken by vibration. I have an EPS7 with the problem and other than replacing the whole contact strip under the keys it really has no easy solution.You should probably have a Roland shop look at this problem. If your unit has this same arrangement it is repairable only by replacing the whole key contact strip.

Posted on Jun 09, 2011

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How to conect my wiring tv cabale to my stereo component


For a simple stereo connection If you have a spare set of inputs (CD, AUX, video but NOT Phono/LP) on your receiver, preamp or whatever makes your speakers make noise that accept a pair of red/white RCA type inputs connect the OUTPUT of either your cable box, satellite receiver or TV audio Left & Right (red & white RCA jacks) to the INPUT of your receiver. If your cable or satellite receiver has a digital OUTPUT (either optical or coaxial) and your receiver has a like INPUT and 5.1 surround sound capability you can connect that to give you a surround sound mix.

Feb 12, 2013 | Televison & Video

1 Answer

How to connect it ?


Instructions
    • 1

      Place your mixer in a location that will allow you to hear the sound coming from the speakers clearly. The best placement is opposite the speakers, centered between the left and right pair. Connect the power supply to your mixer.

    • 2

      Connect the female end of an XLR cable to a microphone. Run the other end of the cable to your mixing board. Plug the male end into the "Mic" port of an open channel. These channels provide the preamps that will shape the sound characteristics of the microphone signal, processing them for output. Repeat the process for each microphone in your rig


    • 3

      Connect one end of a balanced 1/4-inch cable to the left channel jack labeled "L" found on the "Main Out" panel. Connect another cable to the right channel jack with the "R" label. Connect the opposite end of each cable to the matching left and right inputs on you amplifier.

    • 4

      Power on your mixer and amplifier. Test each microphone connected to the mixer for output.

    • 5

      Adjust the volume of each microphone channel to create a balanced mix. Use the "EQ" knobs to shape the tone and cut out frequencies that are causing squeal and feedback.


    • Audi Performance Chip

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Hey I recently purchased a Roland TD-4 and i have no idea how to hook up an amplifier to it. My friend gave me a little amp, and i've tried many ports and cannot get it to play outloud. I'd like it...


First plug a set of headphones into the Left audio out and see if you get any sound from there... NOTE: it will only be in the left headset and this is normal. Turn up volume control... note the level will be low as this is a line output, not headset. This is a test to see if there is audio.

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White line only, has sound, may be 14 yrs old.


Hello
If there is a white line across the screen, the vertical output section of your TV is faulty. If the line is vertical at the middle of the screen, horizontal deflection yoke doesn't get sweep signal. You haven't mentioned about the full mode number of your RCA TV. Therefore I can only give you this much hint. OK.

Mar 06, 2011 | RCA Televison & Video

1 Answer

Some DVD's sound fine whilst others have background sounds but no voices. I do have an old model TV that has mono sound.Would that cause it?


" Some DVD\'s sound fine whilst others have background sounds but no voices. I do have an old model TV that has mono sound.Would that cause it? "
Hi,
I wrote a short article for someone who had a similar problem a few days ago.
I will edit it for you so that it fits. Here it is.
Your DVD player should have output connectors in the back of it to plug your amplifier or receiver into. If you have a Stereo system (no surround sound speakers, or front center speaker) connect the DVD Audio Cables on the back of the DVD player to the STEREO (or MIXED ) Output Jacks. If it is connected to the Left Front and Right Front jacks of the "Surround Sound" output jacks instead of Stereo(or MIXED) then the dialog will be sent to the CENTER channel output. If you have no center channel speaker you will not hear it. Thus no dialog.
NOTE: In your case for the TV that is mono, here is the solution.
1 Connect a stereo pair of RCA cables (red and white "male" connectors at each end) to the Mixed or Stereo Output of the DVD player (NOT ANY SURROUND OUTPUTS).
2 Purchase an RCA type "Y" connector that has 2 female to a single male connectors on it. Walmart about 3 dollars.
3 Plug the single male plug of the Y connector into the back of the TV set's single mono audio input.
4 Connect the stereo RCA pair from the MIXED output of the DVD player into the Y connector that is now on the back of yourTV.
5 Run your yellow Video output from the DVD into the Back of the Set's yellow input.
That should do it. The sound should be clear and correct with dialog, effects and music.
Hope this helps,
Best,
Mark

Jan 27, 2011 | Audio Players & Recorders

2 Answers

I like the sound of my practise amp but it's not powerful enough can i connect it to a larger amp without getting feedback/distortion?


you can use the record outputs to run the signal into a stereo receiver without problems, though it would likely sound better with a shure sm57 microphone hooked up to a mixing board or other instrument amp.

the record output should be PERFECTLY balanced to hook up to a consumer-level stereo reciever with NO distortion; however, this record output might be too loud for another instrument amplifier or a mixing board; hence, the microphone in the latter situation.

short answer- "yes, but..."

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Cannot get 'stereo' output from my roland d50. can get both U and L tones on the 'mono' output (L) and also both tones from the U output but with the L disconnected. Is this simply a jack socket switching...


The two jacks are mixed with a simple resistor mixer UNLESS plugs are put into BOTH of them to open switches and disable the cross tie. If either jack is empty of a plug, the remaining jack has the mixed left and right signals.

Mar 27, 2010 | Music

1 Answer

I have a roland keyboard mixing amplifier, KC-550. With an ipod plugged in, its only playing one channel, regardless of which channel I plug into, and the keyboard is also not sounding full. Not sure if...


The KC-550 is a MONAURAL amp and since the Ipod emits STEREO you have to use a special cable to MIX both the left and right from the Ipod into a single, monaural signal.

You can MAKE a cheapy mixer that will serve your purpose by using a series resistor, say 1K from each of the two Ipod output channels to go to the single mono input to the KC-550.

I would build it this way: Find an old IPOD cable or any 1/8 inch stereo cable and seperate the two wires and the shield. In a 1/4 inch plug, connect the shield from the Ipod cable to the shield (barrel sleeve) of the 1/4 inch plug. Connect one lead of each of TWO 1K resistors to the TIP connection of the 1/4 inch plug. Connect each of the two signal leads from the Ipod to the two remaining floating resistor leads. Insulate the splices.

DON'T forget to put the shell for the 1/4 inch plug over the cable before connecting the cable to the 1/4 inch jack. All parts should be readily available at Radio Shack.

I don't know that I have ever seen a suitable ready made mixer cable for this function.

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Benq 19' LCD Screen 3 yrs old- no signal detected on brand new PC


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Sometimes motherboards have internal video cards, in this case the video port is in among the USB ports, sound and mike sockets etc.

Look for a video port away from all those other things.

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