Product: Service Manual. For Sherwood Model S-7650CP [S7650CP].
Table of Contents:
Front Panel Features
Block Diagram
Servicing & Adjustment Procedures
* Amplifier Servicing & Adjustment
* Use of a Variac
* Line fune and initial circuit checks
* Amplifier fault analysis
* Distortion in amplifier output
* Output transistor bias adjustment
* Bias Adjustment using an Intermodulation Distortion Analyzer
* Bias Adjustment using a Harmonic Distortion Analyzer
* Bias Adjustment using a Millivoltmeter
* Bias Adjustment using a Line Wattmeter
* Power supply servicing and fault analysis
* Amplifier electronic protection & speaker system checks
* FM Tuner and IF alignment
* Detector alignment using an oscilloscope
* Detector alignment using a harmonic distortion analyzer
* Zero center tuning meter adjustment
* Phase lock loop multiplex adjustment
* PLL adj using dig freq counter and FM stereo generator
* PLL adj using an FM Stereo Generator
* Stereo threshold adjustment
* AM Tuner and IF alignment
* Signal meter calibration
* Dial stringing detail
Specifications
Parts location pictorals
Chassis bottom view
Chassi top view
Replacement Parts List
Schematic Diagram
Circuit Board Component Layout
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