Question about Roland Fantom G6 61 Key Pro Keyboard (Warehouse Resealed)

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Hi, My Roland Fantom G6 keyboard has an accident and the analog output is dead. I ask you if it is a possibility to find the entire Jack Board for replacement. It is named: FANTOM-G6 JACK BOARD ASSY 73895167. Thanks. Alex

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Hi' I have the same problem. Do you solved it?

Posted on May 03, 2016

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Hi my fantom g6 recording parameetor error how do i solve this problem?

Posted on Nov 16, 2011

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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.

Posted on Sep 13, 2011

  • Leo Mejia Oct 12, 2019

    Hello, and sorry to bother, but I"m having a similar issue with a fantom g8.
    Dead all audio outputs, though the only ones working are the Digital Coax out and the Digital audio send by the USB port to a computer.
    I'll take a look at the previous response and try to check those OP Amps and stuff like that, but if you have any other suggestions I'd appreciate it a lot. Thanks

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Posted on Jan 02, 2017

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Hi Folks - I have a Roland Fantom G6 that produces no sound! Everything else seems to be fine - the display registers that I am hitting the keys & even the skip-back sampling feature produces a wav...


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