Product: Service Manual. The Fisher 634 4/2 Channel Stereo Receiver. Approximately 47 Pages.
Covers/Contents:
Required Test Equipment
Chassis parts list
Harmonic distortion test
Tuner alignment procedures
Tuner schematic diagram
Tuner board layout
Tuner alignment waveforms
Tuner parts list
Tuner IC signal flow
Tuner IC description
CD-4 Alignment procedures
CD-4 demodulator board layout
CD-4 demodulator parts list
CD-4 demodulator schematic
Preamplifier schematic
Preamplifier parts list
SQ Decoder/Gain control & remote control unit
Schematic Diagram
Parts List
Schematic & Parts Lists
Audio Control Amplifier
Filter Selector Board
Audio Level Meter Board
Pre-Driver/Driver & Power Module
Speaker Selector Switch
Fuse Board
Sopeaker Protection Board
Dial lamp board
Power Supply
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