Question about Marshall Amplification Marshall PED802 Footswitch with LEDs

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Howdy. I need to replace the jack plug on my PED802. can you tell me exactly what type jack plug is required and what pins to solder the red, yellow and blue wires to? Much appreciated, thank you. Dave

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The plug is a 1/4 inch STEREO type plug. Readily available at Radio Shack and many online sources. It will have three connections commonly known as TRS (Tip-Ring_Sleeve).

Posted on Dec 29, 2010

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Posted on Jan 02, 2017

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Hi, i need to know the exact power plug so i dont have to run the pedal on battery power.i know i need a 9v power supply but i dont know the size of the jack that goes into pedal..many thanxs..


Unfortunately, battery jacks and plugs similar to the type you're describing do not have any real standardization - unlike the outlets and plugs in homes and businesses have.

You best bet is to either bring the plug / jack to a shop to match it or contact the instrument's manufacturer to obtain the connector specs for physical dimensions

Be sure to obtain the power requirements in either watts or amps so that you can obtain a power source capable of delivering what you need without overheating during longer periods of use. Adding 25% to 50% more amps or watts to the minimum required should provide years of trouble free service. Example: 9VDC at 50 watts should be supplied by a 9VDC 62 watts or even 75 watts; or in the case of a rating of 9VDC at 6 amps should be supplied by a 9VDC at 7.5 amps or even 9 amps. With DC powered devices, make sure you observe proper polarity! Good luck!

Mar 16, 2016 | Music

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Usb port's pins are bent


Hi
usb sockets are normally pretty standard but without the make and model I could not be 100% certain.

https://www.beckettsmusic.co.uk/shop/scripts/prodView.asp?idproduct=18957

regards

Jul 29, 2017 | Akai Professional Akai LPK25 Laptop...

2 Answers

I have a Marshall channel/dfx footswitch. The jack plug has been chopped off leaving me with a red, blue and yellow wire. Can you tell me where each one is soldered to on a replacement stereo jack plug?...


NEVER trust colors... with an ohmmeter you can tell which is the common lead by testing... find the lead that has continuity to EITHER switch independently... It is PROBABLY the blue one... this will be the "sleeve" of the plug. The schematic documentation is so bad the jack wiring cannot be decipered as to which contact is the tip and the ring. HOWEVER once you find the common of the switches and connect it to the sleeve you have only two choices for the other wires so just try them.

You can also take the back off the pedal to find which color goes to BOTH the switches... connect that one to the sleeve. Try the other two wires for proper operation before final soldering.

Apr 11, 2011 | Marshall Amplification Marshall Footswitch...

2 Answers

My adaptor use to work fine now it wont work I found out it was the piece on the back where the adaptor plugs into, If I jiggle it and move it sometimes the power light will come on but it works fine with...


You can get that fixed if you can find someone who can solder. The jacks wear out over time on a lot of things. The jacks themselves are worth about $1 but it is the labour to open the case and solder a new one in.

The contacts in the jacks are spring loaded so these can wear or get damaged etc. So eventually they won;t make good contact and you get your problem. You see this a lot on laptops. You can twist or apply pressure on the plug until you get it to power up. This is more luck than anything when it works and eventually it will get to a point where it won;t connect anymore. This really is a simple repair but finding someone to solder the new jack in is the problem.

Feb 02, 2011 | Casio Keyboard Power Adapter

1 Answer

I was given a Marshall MG Series 15 DXF guitar amp. The input jack has been twisted off and broken out of the circuit board. I would like a diagram of this part of the circuit. OR Is this soldered to...


Typically these input jacks have 3 or 4 "tails" that solder to the circuit board. The best thing is to get an exact matching jack. You can search for 1/4 inch jacks with matching profile at Digikey.com, Mouser.com, and try www.tubesandmore.com/

In the future ALWAYS loop the guitar cord through the handle so plug is not yanked sideways when people trip over the cord.

Dec 14, 2010 | Marshall Mg100dfx 100-Watt Combo Guitar...

1 Answer

Faulty connection for AC power adapter on an 8 month old yamaha digital keyboard psr-e413


If the adapter is faulty I recommend replacing it with the exact one for your keyboard. Any Yamaha music dealer should have one. If it is the jack in the keyboard that the adapter plugs into that is faulty it can be fixed. It is soldered to the circuit board and the solder joint has likely failed. You will have to carefully disassemble the case and maybe take the circuit board out if the solder side isn't accessible. Once you can see the solder joint wiggle the jack to see where the break is. You will need to resolder it. If the jack is broken ( the center pin in the jack sometimes breaks) you will have to desolder it and take it to a good electronics store to obtain the correct replacement and then solder it in.

Aug 23, 2010 | Music

2 Answers

Output jack


Have you tried another cable between amp and guitar? Usually the cable goes bad first. Have you tried another amp or possibly tried another guitar on your rig? If this still indicates that your guitar's Standard 1/4" TS Jack is noisy, remove the oval cover over the jack and check the solder joints for the wiring. Follow the wires back to the tone and volume pots and check those solder joints. If everything is secure...Plug in, power up and check for noise while turning the volume pots stop to stop. If the pots make a scratching noise, shut down rig and unplug the guitar. Get a can of spray contact cleaner with a small extension tube (available at electronic shops) to spray in the pots while turning them. (May have to remove pots fom the guitar to get at small openings on side of pot can.) Spray jack and test for noise. Jack STILL
noisy...If you can solder...unwire old jack, remove from guitar, take to electronic shop, match to Standard 1/4" TS Jack, install in guitar, resolder wire connections and test. If you cannot solder...take guitar to
a reputable shop or dealer that does this repair. Good Luck! P.S. The
spray contact cleaner can be used on the amp jack, pots and switches
too...just make sure the amp is unplugged from the power supply before
doing any spraying.

Jul 14, 2010 | B.C. Rich Nt Warlock Electric Guitar

1 Answer

My CD/MP3 in jack is pushed inside the cover plate


Open the amp and INSPECT the jack. It may require replacing OR simply need to have the pins re-soldered.

These jacks used on guitar amps for the most part are JUNK and easily damaged.

Hint: Loop guitar cables through the handles before plugging in or use a right angle adapter to avoid accidents that bend the plug sideways and BREAK the internal jack in the amp.

Jul 07, 2010 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

I have a CTK-518 Casio Keyboard unit, second-hand. The DC Jack went out on it--the metal rod that makes the connection with the adapter simply broke off. So I purchased a new part and installed it,...


You probably got the WRONG type of jack. Thes jacks have different sizes, including the pin. You probably got one with a smaller sized pin.
These are really a pain to make sure you got the right one.

If you can, verify the pin diameter with a caliper.

ALSO verify the adapter is putting out power FIRST. The forces that broke the jack MAY have destroyed the plug on the cord from the adapter or brolen the cord. Use a voltmeter to verify operation.

If cord is broken, get new plug and replace the plug on the cord that plugs into the unit.

May 03, 2010 | Casio Music

1 Answer

No sound unless a plug is partially inserted into the effects loop jack.


The switch that is a part of the effects loop jack is making poor contact.

Open the unit and ALSO check the soldering of the jack pins.

MANY of these have a contact as part of the strip that contacts the plug. This spring strip often gets weakened and doesn't contact the metal contact below. The contact "forwards" the preamp to the power amplifier. If the contact doesn't quite make, no power will get to the power amp. If the jack is bad, you MIGHT also try a jumper plug. You MIGHT be able to bend the contact to get moore force as a repair.


If it is a mono 1/4 jack, then use a short jumper from the FX send to the return is another non-invasive fix..

IF it is a TRS type effects loop, plug in a plug that has the Tip and the Ring jumpered in the plug as a quick fix.

In general the jacks in these guitar amps are JUNK !!!

Oct 10, 2009 | Crate Music

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