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Dear Sirs, I am from India I am ueser of Roland Fantom XA,which i bought from you,I got a problem with my Keyboard,when i switch on it there is nothing on LCD but wriiten " FATAL ERROR ROM PROGRAM LOAD ERROR PLEASE, CONTACT YOUR DEALER OR THE NEAREST ROLAND SERVICE CENTER". Please kindly help me what should i do or where can i download the operation system. Hoping your best cooperation THNAKS
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Might be best to contact the local service agent in India for Roland equipment.
Rivera Digitec (India) Pvt Ltd,
411 Nirman Kendra Mahalaxmi Flats Compound
(off Dr. Edwin Moses Road)
Mumbai 400011 Ph 022 24939051
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:
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.
Read page 135 regarding the note range settings. Look also for keyboard split information. You may have the keyboard set to NOT play notes in the top octaves for the particular voice you are using.
You would have to get the circuit schematic from Roland and they may not give that out as it is proprietary. I have circuts for Fantom and Yamaha Tyros and believe me you won't learn anything beyond the block diagram. The circuit details are BURIED inside chips that you probably can't even get data sheets on and certainly can't get or understand the firmware of the internal operating system.
Hard to say as they are a very complex machine.
However have you tried a factory reset - check the manual - its a certain key/button combination.
You will losse any special settings but glitches are often solved by a reset.
Good luck
Bruce
Somehow you have activated the mode to download a new operating system into the unit. It likely is expecting the new SW to be presented form source such as MIDI, USB, or stick.
Get it out of that mode before something gets clobbered. DO a Factory reset which will consists of holding certain buttons and turning power on. Find this procedure in your user manual.
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