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Fisher 700-T User Manual

Fisher 700-T
16 pages
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Fisher 700-T Specifications

General IconGeneral
TypeSolid State Receiver
Tuning RangeFM, MW
Frequency Response20Hz to 20kHz
Total Harmonic Distortion0.5%
Speaker Load Impedance4Ω to 16Ω
Input Sensitivity2.5mV (MM)
Signal to Noise Ratio80dB (line)
InputsPhono, Aux
OutputsHeadphones

Summary

FM Front End Alignment

Front End Alignment Procedure

Steps for aligning the FM front end tuner circuits using test equipment.

IF Amplifier Alignment Procedures

IF Alignment Procedure

Procedure for aligning the 10.7 MHz IF amplifier stages for gain and symmetry.

FM Tuning Meter and Muting Adjustment

Steps to calibrate the FM tuning meter and adjust FM muting sensitivity.

Multiplex Decoder Alignment

Preferred Multiplex Alignment Procedure

Detailed steps for aligning the MPX decoder using RF signal and test points.

Alternate Multiplex Alignment Procedure

Alternative steps for MPX decoder alignment without RF signal connection.

Power Amplifier Adjustments

Power Amplifier Center Voltage Adjustment

Procedure to adjust the center voltage for power amplifier transistors.

Power Amplifier Idling Current Adjustment

Procedure to adjust the idling current for power amplifier output stages.

Chassis Layout and Connections

Component Connections Diagram

Diagram illustrating external component connections to the chassis.

Chassis Layout Diagrams

Top and bottom views showing component placement on the chassis.

Service Procedures

Power Amplifier Testing and Measurement

Procedures for testing power amplifier, distortion, and output measurements.

Dial Stringing and Adjustment

Instructions for dial cord stringing and mechanism adjustment.

Lamp Replacement Procedures

Steps for replacing meter, stereo beacon, and dial pointer lamps.

Cleaning Procedures

Guidance for cleaning the dial glass and front panel.

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