96XP
New Member
Having gone beyond the point of annoyance from the 'whining' sound of the fans inside my Roland SC-540-EX, I decided it was time to open it up for exploration.
Being a 'refurb', I hadn't expected to find what I did. A somewhat critical accumulation of years worth of dust, build up in the fans themselves, blown across the circuitry and legs of semiconductors, not to mention an insulating 'dust jacket' buildup on a ceramic heat resistor, all in line with the flow of air from the fans (x2).
This type of neglect can result in malfunctions over time, damage to circuit boards, particularly if in high humidity situations.
So a friendly NOTE to vendors selling refurbs, please be proficient in your tasks by taking just a few Xtra minutes to do this preventative maintenance, as if the machine fails at some point, it can be COSTLY to your endeared customer.
*Please also take notice, that if you are not confident of the following procedure, call someone who is.
I rigged up a rubber/Latex hose to a vacuum cleaner attachment. This would create the necessary insulation, governed suction and flexibility required to get into tight spaces without doing harm.
**1st start by pulling the power from the machine before opening.
I use two different brushes for their individual bristle strengths.
Using both hands, I gently swept the dust into the direction of my vacuum hose, which most always followed along in front of my working path.
I also pulled one of the most heavily contaminated fans to clean up on the work bench, as there was much to do.
I was careful not to make contact with the metal from the brush with any circuits, however, had I been less confident, I'd have insulated them prior to.
Once I was visually satisfied with the results from the cleanup, I used narrow strips of carpet tape applied to heat register filters (Home Depot) and stuck them to the outside of the machine casing where the fan intakes are situated.
Coincidentally, this is the same filter procedure I use on all my computers as it prolongs the time between doing a full maintenance, as well, and for the same reasons as mentioned above. (dust kills)
Once all was done, machine closed up, I ran a print test to insure integrity. All went well
Attached are a few images to assist others who may some day consider doing the same.
(sorry I couldn't provide more of this simple process as my hands were already full)
As side note, I am seeking a service manual for this machine and tried to buy one from China ($10. PDF), but the PayPal checkout would not load. Can anyone here assist?
I would like to replace the two internal fans, San Ace 60 Model 109P0624H405, 24v, however, I cannot find the exact replacement and not sure what it can be substituted with based on the load rating. (see fan image is rated @ .07 A) ......which seems very low.??
Thank you for reading.
https://www.facebook.com/worldclasswraps
Being a 'refurb', I hadn't expected to find what I did. A somewhat critical accumulation of years worth of dust, build up in the fans themselves, blown across the circuitry and legs of semiconductors, not to mention an insulating 'dust jacket' buildup on a ceramic heat resistor, all in line with the flow of air from the fans (x2).
This type of neglect can result in malfunctions over time, damage to circuit boards, particularly if in high humidity situations.
So a friendly NOTE to vendors selling refurbs, please be proficient in your tasks by taking just a few Xtra minutes to do this preventative maintenance, as if the machine fails at some point, it can be COSTLY to your endeared customer.
*Please also take notice, that if you are not confident of the following procedure, call someone who is.
I rigged up a rubber/Latex hose to a vacuum cleaner attachment. This would create the necessary insulation, governed suction and flexibility required to get into tight spaces without doing harm.
**1st start by pulling the power from the machine before opening.
I use two different brushes for their individual bristle strengths.
Using both hands, I gently swept the dust into the direction of my vacuum hose, which most always followed along in front of my working path.
I also pulled one of the most heavily contaminated fans to clean up on the work bench, as there was much to do.
I was careful not to make contact with the metal from the brush with any circuits, however, had I been less confident, I'd have insulated them prior to.
Once I was visually satisfied with the results from the cleanup, I used narrow strips of carpet tape applied to heat register filters (Home Depot) and stuck them to the outside of the machine casing where the fan intakes are situated.
Coincidentally, this is the same filter procedure I use on all my computers as it prolongs the time between doing a full maintenance, as well, and for the same reasons as mentioned above. (dust kills)
Once all was done, machine closed up, I ran a print test to insure integrity. All went well
Attached are a few images to assist others who may some day consider doing the same.
(sorry I couldn't provide more of this simple process as my hands were already full)
As side note, I am seeking a service manual for this machine and tried to buy one from China ($10. PDF), but the PayPal checkout would not load. Can anyone here assist?
I would like to replace the two internal fans, San Ace 60 Model 109P0624H405, 24v, however, I cannot find the exact replacement and not sure what it can be substituted with based on the load rating. (see fan image is rated @ .07 A) ......which seems very low.??
Thank you for reading.
https://www.facebook.com/worldclasswraps
