Optonica SA-5901, SA-5905 Service Manual

Product: Service Manual. Covers models: Optonica SA-5901, SA-5901C, SA-5905, SA-5905C FM/AM, FM Stereo Receiver. Very large manual, approx 76 pages.

Format: Download/PDF


    Dial Cord Stringing
    Parts Layout (front & rear)
    Block Diagram
    Circuit Description
      FM Front end circuit
      FM IF amp circuit
      FM detector circuit
      FM muting circuit
      FM stereo demodulator circuit
      Low pass filter
      Hi-Blend circuit
      Variable air check calibrator circuit
      FM tuning auto (opto)-lock mechanism
      AM circuit
      AF amplifier circuit
      Audio Muting circuit
      Tone control circuit
      Phono equalizer circuit
      Main (power) amplifier circuit
      Protection circuit (relay circuit)
      Output Power meter drive circuit
      Recording output circuit
    Alignment Instructions
      Alignment points
      AM IF/RF alignment
      FM IF/RF alignment
      Adjust of FM tuning meter & distortion factor
      Adjust of FM auto (opto)-lock & FM muting
      Adjust of Air check level
      Adjust of FM Stereo VCO, Separation & pilot sig cancel
      Adjustment of Main Amp circuit & output power meter
    Equivalent circuit of I.C.
    Notes on Schematic Diagram
    Schematic Diagram
    Wiring Side of Printed Wiring Board
    Power Transistors Replacement
    Cabinet exploded view
    Transistors type
    Diodes type
    Replacement Parts List

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Service Manual, Optonica SA-5901, SA-5905. Note: You are buying reference material in PDF format for use in repair or maintenance of your equipment -- you are NOT buying stereo equipment.

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