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For Sale ‘Original’ WPC89 MPU boards

Ragnar1057

Site Supporter
Joined
Aug 28, 2020
Messages
67
Location
Manchester
Many MPU boards used in Bally/Williams machines suffered from leaky battery damage which require extensive repairs or replacement.

I’m one of those people who prefers my machines to look as original as possible – so I produced these replacement MPU boards. The design is as close as possible to the original – with the same components, design, layout, copper traces and filled zones. The new board is shown below (left) next to a damaged revision D original board (right).
1742558163931.webp

  • All commonly replaced chips are socketed (U14, U16 to U20).
  • SRAM chip U8 is socketed to allow fitment of SRAM or NVRAM. The boards come with SRAM fitted as standard – NVRAM available as an option when ordering.
  • Battery clips are fitted as standard. You can fit batteries, NVRAM or connect external batteries to directly to the board (see below).
1742558246064.webp


Please get in touch if you’re interested or would like more information. Price £165 plus P+P for SRAM version, £180 plus P+P for NVRAM option.
 
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