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Realistic STA-78 - Service Manual

Realistic STA-78
40 pages
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Serulce
STA.78
AM
/FM
STEREO
Catalog
Number
:
RECEIVER
31-2077
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Summary

Electrical Performance Specifications

Disassembly Instructions

Block Diagram

Dial Stringing Diagram

Level Diagram

Alignment Instructions

Audio Circuit Adjustment and Check

Procedures for adjusting and checking the audio circuits.

AM RF and IF Alignment

Step-by-step alignment for AM radio frequency and intermediate frequency stages.

FM RF and IF Alignment

Alignment procedures for FM radio frequency and intermediate frequency stages.

FM Stereo Alignment

Procedures for aligning the FM stereo multiplex and separation circuits.

Troubleshooting

Protector Circuit Description

Limiting Circuit

Explains the circuit that protects against excessive current to the output.

Abnormal Temperature Rise Protection

Describes the thermal protection mechanism for the main amplifier heat sink.

IC and Transistor Lead Identifications

AM;FM Tuner, IF & MPX P.C.B. Views

Phono Equalizer Amp P.C.B. Views

Tone Control P.C.B. Views

Main Amp P.C.B. Views

Switch P.C.B. Views

Noise Muting P.C.B. Views

Power Supply P.C.B. Views

Electrical Parts List

Capacitors

List of capacitors with values, voltage, tolerance, and material.

Ceramic Filters, Coils, and Transformers

Listing of ceramic filters, coils, and transformers with specifications.

Diodes, Integrated Circuits, Lamps, and Meter Components

Listing of diodes, ICs, lamps, and meter components with specifications.

Resistors

Comprehensive list of resistors with values, wattage, and tolerance.

Jumper Wires

List of jumper wires with descriptions and part numbers.

Switches, Thermal Protector, Fuses, Transistors, Variable Capacitors, and Variable Resistors

Components including switches, fuses, transistors, and variable components.

Exploded View Parts List

IC Internal Diagrams

Schematic Diagram

Exploded View

Realistic STA-78 Specifications

General IconGeneral
BrandRealistic
ModelSTA-78
CategoryStereo Receiver
LanguageEnglish

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