Product: Service Manual. For Sherwood HP-5500 AM/FM Stereo Tuner. Approximately 19 pages.
Covers/Contents:
Front Panel Features
Tuner Block Diagram
Circuit Description
FM RF Tuner
FM IF and Digital Detector
FM Muting Circuit
Stereo Bandwidth and Level Detection
FM Accutune Circuit
Phase Lock Loop MPX Stereo Decoder
25-75 uSEC Deemphasis
C-Mos Quad Switch
Stereo Only Operation
Dual Stereo Separation Adjustment
Stereo Noise Filter
AFC Circuit and "touch" switch
AGC Amplifier and Detector
AM Tuner
Regulated Power Supply
Service and Adjustment Procedures
FM Tuner and IF Alignment
Zero Center FM Tuning Meter Adjustment
FM Muting and Antenna Sign Meter Zero Adj
FM Detector
Stereo Threshold Adjustment
Phase Lock Loop MPX Adjustment
AM Tuner and IF Alignment
Push-Button switch disassembly & servicing
Dial String detail
Parts Location Pictorials
Bottom of chassis view
Top of chassis view
Specifications
Performance curves
Schematic Diagram
Circuit Board component layout
Replacement parts list
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