Product: Service Manual. Sherwood S-7450-CP Stereo Receiver.
Table of Contents:
S-750:
Front Panel Features
Block Diagram
Servicing and Adjustment Procedures
Amplifier Servicing and Adjustment
Use of a Variac
Line fuse and initial circuit checks
Amplifier Fault analysis
Distortion in amplifier output
Output Transistor Bias Adjustment
Bias adjustment using an IM 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 and speaker system checks
FM tuner and IF alignment
Detector alignment using an oscilloscope
Detector alignmnet using a harmonic distortion anayzer
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 Pictorials
Chassis bottom view
Chassis top view
Replacement parts list
Schematic Diagram
Circuib board component layout
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