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Roland MC-505 LCD Replacement Guide Roland MC-505 LCD Replacement Guide Fig. 1 - Original MC-505 LCD display that has gone bad. Table of Contents Recommended Tools........................p. 2 Installation..........................p.3 - 18 Opening the Case ........................p. 3 - 4 Removing the Main Board.....................
Roland MC-505 LCD Replacement Guide Fig. 2 - Recommended Tools Recommended Tools* Metal Nibbler Tool 14mm or 9/16” Wrench or an Adjustable Wrench No.2 Phillips Head Screwdriver PH1 Precision Phillips Screwdriver or No.1 Phillips Screwdriver Flush Wire Cutters or Scissors (not pictured) ...
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Roland MC-505 LCD Replacement Guide Fig. 3 - Side Case Screw Fig. 4 - Bottom Case Screws Step 1: UNPLUG THE UNIT BEFORE YOU BEGIN! To remove the bottom of the case you will need to remove the screws from the sides and bottom of the case. There is 1 screw on each side and 8 screws on the bottom.
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Roland MC-505 LCD Replacement Guide Fig. 5 - Back of the Case Step 2: Remove 6 screws from the back of the case. These are circled in the Fig. 5 photo above. You will also need to remove the plastic nuts from the 1/4"...
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Roland MC-505 LCD Replacement Guide Fig. 8 - Zip Tie which needs to be cut Step 3: Now that the case is opened locate the main board. This is the circuit board with all of the ribbon cables connected to it shown in Fig. 6.
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Roland MC-505 LCD Replacement Guide Fig. 13 - The LCD cover shown pulled up Step 4: You will need to remove the LCD cover from the front of the case in order to access the screws used to mount the original LCD screen in place.
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Roland MC-505 LCD Replacement Guide Fig. 14 - The LCD cover removed Step 5: As shown in Fig. 14 above, the LCD cover has been removed. The original LCD part is mounted in place with 4 small screws. Remove these screws using a PH1 / No.1 Phillips screwdriver, then remove the original LCD part...
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Roland MC-505 LCD Replacement Guide Fig. 17 - Left Tab Removed Step 6: Once the LCD has been removed as shown in Fig. 15 you will need to modify the case so that the new LCD can be mounted. The red dotted lines in Fig.
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Roland MC-505 LCD Replacement Guide Fig. 18 - Pencil Marks roughly indicating what to remove Step 7: Once you have removed the tab on the left side you then will need to modify the right side. The red dotted lines in Fig. 15 depict the approximate amount of material that needs to be removed.
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Roland MC-505 LCD Replacement Guide Fig. 21 - New hole drilled for a third screw Step 8: After you have modified the case so that the new LCD fits and aligns properly, and the pins on the edge of the display are not touching the metal mounting frame you can proceed to screw the LCD in place using two screws as shown in the Fig.
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Roland MC-505 LCD Replacement Guide Fig. 24 - LCD cover with new double back tape applied Step 9: Now that the new LCD is screwed in place, I suggest hooking the main board back up and doing a quick test of the LCD before closing everything up and putting the LCD cover back in place.
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Now that the installation is finished you may need to adjust the LCD contrast. To do this power up the MC-505. Once it is fully powered up you will need to hold down the shift button and press keyboard key 10. The screen should display the LCD Contrast menu setting as shown in Fig.
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