Roland MC-505: Difference between revisions

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{{WikipediaInfoAlt|Device}}
{{WikipediaInfoAlt|Roland_MC-505}}
{{DeviceAlerts}}
{{DeviceAlerts}}
{{InfoboxDevice
{{InfoboxDevice
|Release Year = 1998
|Release Year = 1998
|Leak Risk = Low
|Leak Risk = Low
|Destructive Entry = No
|Mounting Technology=Through Hole, SMD|Capacitor Types=Aluminum Electrolytic, Tantalum, Ceramic|Batteries=None|Destructive Entry = Glued faceplate, replacement adhesive needed
}}
|Storage=SmartMedia Card|Power Connector=IEC C13/C14 Socket}}
From Roland's Groovebox line of products(Related: [[Roland MC-303]]), the MC-505 is a music sequencer with integrated ROMpler for sound creation.
From Roland's Groovebox line of products(Related: [[Roland MC-303]]), the MC-505 is a music sequencer with integrated ROMpler for sound creation.


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*Replace potentiometer, hopefully find knob
*Replace potentiometer, hopefully find knob


=== Buttons Gone ===
=== Buttons Stuck Inside ===
[[File:Roland MC505 BottonsMissing.jpg|none|thumb]]
[[File:Roland MC505 BottonsMissing.jpg|none|thumb]]


====Causes====
====Causes====
*I don't actually know...
*Rushed reassembly
*Depressed in too far
====Solutions====
====Solutions====
*Get a new one
*Open device, remove button panel, re-apply double sided tape to secure buttons and replace them, reassemble


== Disassembly Notes ==
== Disassembly Notes ==
Be sure to remove knobs, slider caps, rotary wheel, and nut under rotary wheel when removing faceplate  
Be sure to remove knobs, slider caps, rotary wheel, and nut under rotary wheel when removing top panel 
 
Clear faceplate over LCD is double sided taped on top and bottom. Use a thin guitar pick to break glue loose from inside and then work it slowly from the front once raised. '''Warning:''' the tinted covers over 7 segment displays can be scratched


== Original Parts ==
== Original Parts ==
===Untested Replacement Potentiometers===
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Potentiometers
|+Potentiometers
! Type
! Type
! Qty
! Qty
! Part Number
! Roland Part Name
!OEM Part Number
|-
|-
|Volume
|Volume
|2
|2
|K09L12D0 10KBX2
|RK09L12D0 10KBX2
|<code>RK09L12D0-F15-C0-A10</code> or <code>RK09L12D0A1W</code>
|-
|-
|Non-Detented, single channel
|Non-Detented, single channel
|2
|8
|RK09L1140 10KB
|RK09L1140 10KB
|<code>RK09L1140-F15-C0-B10</code> or <code>RK09L1140A5L</code>
|-
|-
|Detented, single channel
|Detented, single channel
|2
|RK09L1140 10KB with click
|<code>RK09L1140-F15-C1-B10</code> or <code>RK09L114001E</code>
|}
''Original potentiometer's datasheet:'' https://tech.alpsalpine.com/assets/products/catalog/rk09l.en.pdf
== Replacement Parts ==
'''While these potentiometers have long enough shafts, the flatted areas are longer than the original model, so a spacer might need to be used.'''
{| class="wikitable sortable"
|+Original Alps Brand Potentiometers
! Type
! Qty
! Compatible Part Number
! Order Links
|-
|Volume
|2
|<code>RK09L12D0A1T</code>
|[https://www.mouser.com/ProductDetail/Alps-Alpine/RK09L12D0A1T?qs=Xb8IjHhkxj4fKHKLWV8KdA%3D%3D Mouser]
|-
|Non-Detented, single channel
|8
|8
|K09L1140 10KB with click
|<code>RK09L1140A2U</code>
|[https://www.mouser.com/ProductDetail/Alps-Alpine/RK09L1140A2U?qs=6EGMNY9ZYDShe59Bf8g9AA%3D%3D Mouser]
|-
|Detented, single channel
|2
|<code>RK09L114001T</code>
|[https://www.mouser.com/ProductDetail/Alps-Alpine/RK09L114001T?qs=Xb8IjHhkxj78e5CYccfZWg%3D%3D Mouser]
|}
|}
==Replacement Parts==
 
===Untested Replacement Potentiometers===
 
'''WARNING - THESE POTS ARE SLIGHTLY TOO SHORT, FIND 20MM SHAFT LENGTH SUBSTITUTES'''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Potentiometers
|+Alternative TT Electronics Brand Potentiometers
! Type
! Type
! Qty
! Qty
! Compatible Part Number
! Compatible Part Number
! Order Links
! Order Links
|-
|Volume
|2
|P0925N-FC15AR10K
|[https://www.mouser.com/ProductDetail/BI-Technologies-TT-Electronics/P0925N-FC15AR10K?qs=mJjUQczmFni3omuu06xzaQ%3D%3D Mouser]
|-
|-
|Non-Detented, single channel
|Non-Detented, single channel
|8
|P0915N-FC15BR10K
|[https://www.mouser.com/ProductDetail/BI-Technologies-TT-Electronics/P0915N-FC15BR10K?qs=56eeD6vBg8ghscMuvH1XVA%3D%3D Mouser], [https://www.digikey.com/en/products/detail/tt-electronics-bi/P0915N-FC15BR10K/4780740?s=N4IgTCBcDaIAoAYCcBGArAOQLQDEDC6AQgEooIDSIAugL5A Digikey]
|-
|Detented, single channel
|2
|P0915N-1FC15BR10K
|
|
|P0915N-FC15AR10K
|[https://www.mouser.com/ProductDetail/BI-Technologies-TT-Electronics/P0915N-FC15AR10K?qs=mJjUQczmFnieBkKWeOAMww%3D%3D Mouser]
|}
|}
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
Line 72: Line 116:
== References ==
== References ==
<references />
<references />
[[Category:WorkNeeded:ReplacementParts]]
[[Category:Music Sequencer]]
[[Category:1990s]]

Latest revision as of 14:19, 27 August 2023

For more information, see this article's corresponding Wikipedia page: Roland_MC-505.
Roland MC-505
Preliminary Information
Release Year 1998
Leak Risk Low
Batteries None
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic
Destructive Entry Glued faceplate, replacement adhesive needed
Hardware Specifications
Storage SmartMedia Card
Power Requirements
Power Connector IEC C13/C14 Socket

From Roland's Groovebox line of products(Related: Roland MC-303), the MC-505 is a music sequencer with integrated ROMpler for sound creation.

Known Issues

Knob is Gone

Causes

  • A big whack

Solutions

  • Replace potentiometer, hopefully find knob

Buttons Stuck Inside

Causes

  • Rushed reassembly
  • Depressed in too far

Solutions

  • Open device, remove button panel, re-apply double sided tape to secure buttons and replace them, reassemble

Disassembly Notes

Be sure to remove knobs, slider caps, rotary wheel, and nut under rotary wheel when removing top panel

Clear faceplate over LCD is double sided taped on top and bottom. Use a thin guitar pick to break glue loose from inside and then work it slowly from the front once raised. Warning: the tinted covers over 7 segment displays can be scratched

Original Parts

Potentiometers
Type Qty Roland Part Name OEM Part Number
Volume 2 RK09L12D0 10KBX2 RK09L12D0-F15-C0-A10 or RK09L12D0A1W
Non-Detented, single channel 8 RK09L1140 10KB RK09L1140-F15-C0-B10 or RK09L1140A5L
Detented, single channel 2 RK09L1140 10KB with click RK09L1140-F15-C1-B10 or RK09L114001E

Original potentiometer's datasheet: https://tech.alpsalpine.com/assets/products/catalog/rk09l.en.pdf

Replacement Parts

While these potentiometers have long enough shafts, the flatted areas are longer than the original model, so a spacer might need to be used.

Original Alps Brand Potentiometers
Type Qty Compatible Part Number Order Links
Volume 2 RK09L12D0A1T Mouser
Non-Detented, single channel 8 RK09L1140A2U Mouser
Detented, single channel 2 RK09L114001T Mouser


WARNING - THESE POTS ARE SLIGHTLY TOO SHORT, FIND 20MM SHAFT LENGTH SUBSTITUTES

Alternative TT Electronics Brand Potentiometers
Type Qty Compatible Part Number Order Links
Volume 2 P0925N-FC15AR10K Mouser
Non-Detented, single channel 8 P0915N-FC15BR10K Mouser, Digikey
Detented, single channel 2 P0915N-1FC15BR10K

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

External Links

References

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