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That is the first thing to check. They are most likely inside the circuit board. Remember to replace them with the same voltage and amperage ratings.

Roland Cube-st... | Answered on May 28, 2020


https://www.youtube.com/watch?v=yiUytelefkk
https://www.sweetwater.com/store/detail/EA7--roland-e-a7-61-key-arranger-keyboard/reviews

Roland Music | Answered on Apr 19, 2020


email me if you haven't found it yet.  [email protected]

Roland Sp-606... | Answered on Mar 29, 2020


it needs service, that is for sure.
sound like a bad power supply. pack (weak)
get it repaired, is the path.

Roland Music | Answered on Feb 27, 2020


why not ask them the maker

this is computer repair forum. why not post to music keyboard forums.

Roland Computers... | Answered on Jan 26, 2020


The adaptor for the SPD-20 is not 12 V ac (Altern Current) the SPD-20 need only Altern current (12V AC)
if the adaptor is 12 v cc, the internal circuits can not made +5v , 0, -5v
for simetrical operactional supply.
And Spd 20 show "Analog test err" and "batery low"

Roland Spd-S... | Answered on Jan 17, 2020


Does the headphone jack work? Replacing a whole board would be expensive and the problem could be elsewhere. What was the accident? If large signals were driven back into the audio out lines, probably the output driver chip is fried... They likely use a common 8 pin dual op amp as the driver and the part costs 50 cents. It takes a little care to replace it as it is likely surface mounted. I am looking at the audio/jack board for a G-600 and there are a pair of transistors for some testing they do that could also be fried and might be the whole problem if the G-6 uses same or similar circuitry. The Fantom X6 uses very similar circuitry... Download service manual here:

http://elektrotanya.com/roland_fantom-x6.pdf/download.html

Scroll down to "get manual" and click to download. IGNORE other download links. On page 57 of 66 you will find the audio drivers at the right. They use little dual op amps M5218APF which probably are available someplace, however probably 4568's would work fine and are readily available. If you drove high voltage into the audio outs, I suspect first that the RF bypass caps such as C203 on the above schematic shorted. Simple to replace... pennies apiece... The test path transistors such as Q37 may also be shorted... Next would be IC18... While this circuit may not be the exact one for the G6 it probably is CLOSE as the several Rolands all seem to use similar circuitry. Regarding system SAFETY... Make sure ALL and I do mean ALL equipment interconnected including mixers, powered speakers, keyboards, etc. are powered from the SAME receptacle or power conditioning module to avoid accidents. Also for keyboards sent to mixers, USE DI boxes please! These protect against ground loops and these accidents.

Roland Fantom G6... | Answered on Oct 12, 2019


Do you have an owner's manual......first thing to try would be a factory reset...sometimes this will un-scramble the operating system and set it back to when it left the factory....contact Roland for an owner's manual if you don't have one....hopefully this helps..if not, then you will have to open it up.....

Roland Music | Answered on Oct 04, 2019


"It's dead, Jim."
Bones McCoy

Roland Music | Answered on Sep 30, 2019


The most likely problem would be wiring. By dropping it you loosened or disconnected a wire.

Roland Music | Answered on Sep 27, 2019


what is your question?
if not working, you have to open the device and find out where it is not connecting (broken solder joint? bent or worn out contacts? wire off?) and repair. or if beyond repair, order a new part.

Roland Boss... | Answered on Sep 27, 2019


It's always possible the new battery had lost it's charge before it was installed. Check it with an ohm meter for it's voltage. Other than that, either the contacts in the battery holder may be in need of cleaning or the battery wasn't installed correctly.

Roland Music | Answered on Sep 27, 2019


did you check the fuses and if thats not it then the light may be burnt out.

Roland Music | Answered on Sep 27, 2019

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