STUDIO REPAIR » Oberheim » Matrix-1000  (35 Slides)     [Page 1 of 1] :: Jump To  
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Oberheim Matrix-1000 - Matrix-6 Architecture (6 CEM3396-based DCO Voices) with 1000 Patches.
 
Oberheim Matrix-1000 - Power supply modification to eliminate any kind of audible transformer hum. * (6 Slides)
Oberheim Matrix-1000 - Front View * White-faced front panel
Oberheim Matrix-1000 - Front View * White-faced front panel
Oberheim Matrix-1000 - Front Panel * Logotype
Oberheim Matrix-1000 - Front Panel * Logotype
Oberheim Matrix-1000 - Display * …
  Power Supply Mod  
  Front View  
  Front View  
  Front Panel  
  Front Panel  
  Display  
Oberheim Matrix-1000 - Front Panel * Keypad area
Oberheim Matrix-1000 - Rear Panel * Mains, MIDI, audio and that's it…
Oberheim Matrix-1000 - Rear Panel * …
Oberheim Matrix-1000 - Servicing * …
Oberheim Matrix-1000 - Opened * Top cover removed
Oberheim Matrix-1000 - Main Board * …
  Front Panel  
  Rear Panel  
  Rear Panel  
  Servicing  
  Opened  
  Main Board  
Oberheim Matrix-1000 - Main Board * …
Oberheim Matrix-1000 - Main Board * Mainboard X-ray examination…
Oberheim Matrix-1000 - CEM3396 Voices * The six CEM3396-based voices
Oberheim Matrix-1000 - CEM3396 Voices * …
Oberheim Matrix-1000 - Digital Circuitry * 68B09 CPU, EPROMs, RAM
Oberheim Matrix-1000 - Digital Control * 82C54 integrated programmable 16-bit counters to digitally control the oscillators
  Main Board  
  Main Board  
  CEM3396 Voices  
  CEM3396 Voices  
  Digital Circuitry  
  Digital Control  
Oberheim Matrix-1000 - D/A Converter * AM6012 12-bit D/A converter for the control voltages
Oberheim Matrix-1000 - D/A Converter * A PMI/Analog Devices DAC312 in this unit…
Oberheim Matrix-1000 - DAC Adjustment * …
Oberheim Matrix-1000 - Digital Circuitry * Notice the Asahi Kasei (AKM) RAM in this unit…
Oberheim Matrix-1000 - S&H Capacitors * Sample&Hold capacitors to catch the corresponding analog control voltages from the D/A converter
Oberheim Matrix-1000 - Main Board * …
  D/A Converter  
  D/A Converter  
  DAC Adjustment  
  Digital Circuitry  
  S&H Capacitors  
  Main Board  
Oberheim Matrix-1000 - Front Panel PCB * …
Oberheim Matrix-1000 - Front Panel PCB * …
Oberheim Matrix-1000 - Battery Replacement * …
Oberheim Matrix-1000 - Power Supply * Mains filter, transformer, electrolytics and voltage regulators
Oberheim Matrix-1000 - Power Supply * …
Oberheim Matrix-1000 - Power Supply * Linear voltage regulators
  Front Panel PCB  
  Front Panel PCB  
  Battery Replacement  
  Power Supply  
  Power Supply  
  Power Supply  

 
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