Roland Music - Recent Questions, Troubleshooting & Support


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


there are spraycans of cleaner that u can buy to cure it. sounds like dirty pots like maybe your volume pot on your amp or the pots on the instruments your playing. get the cleaner ,spray in the pots and move them back and forth and thats it. my marshall amp was doing the same and that was my cure. i dont remember the name of it but phone long and mcquade or another store and ask. hope that helps ya.

Roland Music | Answered on Sep 27, 2019


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 Sep 27, 2019


Hey guys, so I know that this thread is rather ancient now, but I just surfed here because I had a similar problem with mine, I managed to fix the problem of the power not turning on with either the power or battery, after it working and then just randomly not turning on.
Here's what I did:
I opened the speaker grill, and took out the right speaker, everything looked fine inside on the circuit board, thinking it might be a fuse - I started looking for it- to no avail.
I was just about to give up when I accidentally bumped the wires to the power switch, and the light came on! Huzzah!!
I played with the wires a bit because the light kept flickering and would turn on once then not again.
I pulled the wires off the switch and took the switch out of the box, then used my pocket knife to scratch away some discoloration from the terminals on the switch, then re-attached the wires, but only put them on halfway, and the problem was solved!
This was only a quick fix, and I went out the next day to Altronics (I'm in Australia) to buy a replacement power switch.
I re-attached the power wires to the new switch, slid them on the whole way and I haven't had a problem with it since!
I hope this helps someone before they take it to a technician who will probably do exactly what I did and charge you $300
Happy Jamming legends! Rock on!

Roland Cube-st... | Answered on Sep 27, 2019


Contact Roland..They have owners manuals on their site for download...

Roland Music | Answered on Sep 24, 2019


It's usually fine to leave solid state electronic equipment turned on. A small amount of heat is produced when powered up and it will usually help to prevent condensation inside the case if that's a problem. It's not normally needed unless it's in a damp and/or cold environment. A dehumidifier is possibly a better solution if you have a lot of moisture.

Roland Music | Answered on Aug 18, 2019


Open up the Roland G-70 and check if all the connectors and flatcables are well seated. Check also if the power supply is working as supposed to.

Roland Music | Answered on Jul 26, 2019


If everything lights up and responds to button pushes like normal, and you've done a hard reset as described in the manual, check to see if you have sound out of the headphone jack. It's most likely not a user serviceable problem and will need to go to the shop, but it will probably be the output amp rather than the main board.

Roland Fp-8... | Answered on Jul 09, 2019


rtm yet, read the manual on it for "troubleshooting" pages?

Roland Music | Answered on Jun 27, 2019

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