STUDIO REPAIR » Lexicon » 224 - Digital Reverberator »  FPC Circuit Board     [Image 22 of 30]  :: Jump To  
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Lexicon 224  •  FPC Circuit Board
FPC card - Floating point converter circuitry. Component side.
Lexicon 224 - Power Supply * Power supply circuitry.

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 - 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.

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Lexicon 224 - FPC Circuit Board - Image by Nikolaus Riehm
Lexicon 224 - FPC Circuit Board * FPC card - Floating point converter circuitry. Solder side.

Lexicon 224 - A/D Converter Board * AIN card - Analog input circuitry. A/D converting the old-school way: a DAC (Burr Brown DAC800) in conjunction with a successive approximation register (National Semiconductor DM2504) and a comparator (LM211). Component side.

Lexicon 224 - A/D Converter Board * AIN card - Analog input circuitry. Solder side.

Lexicon 224 - D/A Converter Board * AOUT card - Analog output circuitry featuring a Burr Brown DAC80-CBI-V converter. Component side.

Lexicon 224 - D/A Converter Board * AOUT card - Analog output circuitry. Solder side.

Lexicon 224 - A/D Converter * AIN card - Analog input circuitry. The DAC800 with its DM2504 successive approximation register companion.

Lexicon 224 - D/A Converter * AOUT card - Analog output circuitry featuring a Burr Brown DAC80-CBI-V converter.



 
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