Fisher 122 Service Manual
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Extracted text from Fisher 122 Service Manual (Ocr-read)
Page 1
SERVICE MANUAL
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WORLD LEADER IN HIGH QUALITY STEREO
Page 2
TABLE OF CONTENTS
REQUIRED TEST EQUIPMENT 2 PREAMPLIFIER PARTS LIST
OUTPUT BALANCE AND IDLE 3 MPX PARTS LIST
CURRENT ADJUSTMENT
TUNER ALIGNMENT PROCEDURE 4,
IF FM-AM PARTS LIST
CONTROL AMPLIFIER PARTS LIST
POWER AMPLIFIER PARTS LIST
5 SCHEMATIC DIAGRAM
5 MAIN CHASSIS PARTS LIST
6 FRONT END SCHEMATIC
REQUIRED TEST EQUIPMENT
The following test equipment is required to completely test and align the Receiver:
Line Voltage Autotransformer or Voltage Regulator Load Resistor, B-ohms, 20 Watts (Minimum
AC DC Multimeter Rating)
Accurately Calibrated AC Voltmeter Low-Distortion AM-FM Signal Generator
Oscilloscope (Flat to 100 kHz Minimum) 10.7 MHz Sweep Generator
Low-Distortion Audio Sine-Wave Generator Multiplex Generator
Harmonic Distortion Analyzer 455 kHz Sweep Generator
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CAUTION. This precision high-fidelity instrument should be serviced only by qualified personnel,
' trained in the repair of transitorized equipment and printed circuitry.