STUDIO REPAIR » Lexicon » 224 - Digital Reverberator »  Microcomputer     [Image 16 of 30]  :: Jump To  
  First slide Previous slide      Show/Hide EXIF Info Index Page Start/Stop the slide show      Next slide Last slide  
Lexicon 224  •  Microcomputer
The system is hosted by a National Semiconductor Board Level Computer (BLC) featuring a generic 8080 CPU with onboard RAM, ROM and peripherals. Neither designed nor made by Lexicon.
Lexicon 224 - Remote Control * Lower panel view.

Lexicon 224 - Remote Control * Rear view.

Lexicon 224 - Mainframe * The mainframe with front panel removed.

Lexicon 224 - Circuit Boards * The circuit boards fitted in the mainframe.

Lexicon 224 - PCB Stack Order * …

Lexicon 224 - Output Transformer * …

Lexicon 224 - Power Supply * Power supply circuitry.
Next slide
 
Lexicon 224 - Microcomputer - Image by Nikolaus Riehm
Lexicon 224 - DMEM Circuit Board * DMEM card - Data memory and I/O circuitry. Component side.

Lexicon 224 - DMEM Circuit Board * DMEM card - Data memory and I/O circuitry. Solder side.

Lexicon 224 - T&C Circuit Board * T&C card - Timing and control circuitry. Component side.

Lexicon 224 - ARU Circuit Board * ARU card - Arithmetic and register circuitry. This is the place where the numbers are crunched…

Lexicon 224 - ARU Circuit Board * ARU card - Arithmetic and register circuitry. Solder side.

Lexicon 224 - FPC Circuit Board * FPC card - Floating point converter circuitry. Component side.

Lexicon 224 - FPC Circuit Board * FPC card - Floating point converter circuitry. Solder side.

 
  First slide Previous slide      Show/Hide EXIF Info Index Page Start/Stop the slide show      Next slide Last slide  
© STUDIO REPAIR NIKOLAUS RIEHM 2006 - 2020