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Summary of Contents for Gemini PDM-16

  • Page 2 SERVICE MANUAL PDM-16 Stereo Preamp Mixer CONTENT’S: Connections & Operations:............Page 2-5 Specifications:................Page 5 Parts Lists:.................Page 5-7 PCBs:..................Page 8-10 Schematics:.................Page 11 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) • 732-738-9006 (Fax) Page 1...
  • Page 3 Page 2...
  • Page 4 Page 3...
  • Page 5: Operation

    The ASSIGN (17, 19) switches allow you to select which channel will play through each side of the crossfader. The 3. The PDM-16 is supplied with 3 sets of amp output jacks. The MAIN ASSIGN (17) switch has 5 settings (OFF, 1, 2, 3 or 4) and allows...
  • Page 6: Specifications

    in the bottom position, MIC 1 and MIC 2 and talkover are off. When Parts Lists the MIC/TALKOVER SWITCH (7) is in the center position MIC 1 and MIC 2 are on, the MIC INDICATOR (6) will glow, but talkover is off. When the MIC/TALKOVER SWITCH (7) is in the top position, MIC 1 Cabinet Parts and Packing and MIC 2 and talkover will be on and the volume of all sources...
  • Page 7 Parts Lists - PCB1 Input/Output Description Part # Item # Designators IC1-4 INTEGRATED CIRCUIT NJM2068LD 074-145 INTEGRATED CIRCUIT NJM7812FA 074-107 INTEGRATED CIRCUIT NJM7912FA 074-114 Transistors Item # Designators Description Part # Q2-5 TRANSISTOR 2SC2878 076-095 TRANSISTOR 2SA1048 (2SA1317) 076-104 Electrical Parts Item # Designators Description...
  • Page 8 Parts Lists - PCB3 Phono Description Part # Item # Designators IC18-20 INTEGRATED CIRCUIT 074-104 NJM4558LD(M5218AL,BA4558N) IC26 INTEGRATED CIRCUIT NJM4556L 074-113 IC25 INTEGRATED CIRCUIT NJM2068LD 074-145 IC17 INTEGRATED CIRCUIT M5229P 074-115 IC21 INTEGRATED CIRCUIT VM8080 074-141 IC22 INTEGRATED CIRCUIT GEMNI-01 074-140 Diodes Item #...
  • Page 12 Schematic R246 R225 C183 VR14 R218 10 R226 10KB C219 R227 R134 10 R228 R258 R136 MASTER 30K 1% R135 R129 C158 MIC-2 R141 IC25A C157 R193 R256 R213 R254 R253 100/16 VR30A IC19A C101 47/16 2068LD 10/16 C161 R111 IC8A IC8B MIC-2...