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Pioneer tuning fork User Manual

Pioneer tuning fork
55 pages
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Audio and Video Service Guide
No.8
TUNING
FORK
PIONEER*
ORDER NO.GGF-606
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Pioneer tuning fork Specifications

General IconGeneral
BrandPioneer
Modeltuning fork
CategoryAudio & Video Accessories
LanguageEnglish

Summary

Parts Information: Switches and Relays

Switches and Relays Overview

Discusses features of metal switches and relays used in Pioneer products.

Switch Fundamentals

Explains switch operation, materials, and basic types (metal-contact, electronic).

Types of Switches by Application

Covers Power, Selector, and Digital switches for specific uses.

Rotary Switches

Describes rotary switch functionality for signal selection.

Push-button Switches

Details push-button switch operation and classifications.

Slide and Lever Switches

Explains slide and lever switch operation and uses.

Snap, Plate Spring, Micro, and Tact Switches

Covers snap, plate spring, micro, and tact switches.

Relay Basics and Classifications

Covers relay structure, types (Power, Protective, Small Signal, Reed), and applications.

Basic Theory of Video Systems

NTSC and PAL TV Standards

Compares NTSC and PAL broadcast systems, focusing on chrominance signal modulation.

PAL System Characteristics

Details PAL system specifics and its differences from NTSC.

Measuring Instrument: Pattern Generators

Pattern Generator Operation

Covers generator features, controls, and signal outputs for VCR/TV testing.

Test Patterns and Signal Adjustments

Explains Color Bars, IQW Off, Chroma Off, Luminance Off, Chroma, Luminance Level.

Generator Outputs and Settings

Details Video Output, Scanning Selector, Raster Selector, RF Out, Trigger, Subcarrier.

One Point Service Technique

Troubleshooting Power Amplifiers

Methods for diagnosing power amplifier circuits after removing power transistors.

New Technique: LaserVision with Digital Sound

LDD Digital Audio Integration

Discusses digital sound integration in LaserVision discs and frequency spectra.

LDD Player Servo System

Explains servo control mechanisms in LDD players for synchronization.

New Products: Video Cassette Recorders (VCRs)

VCR System Components and Mechanisms

Details VCR tape transport, drum scanners, and video heads.

Video Tape and Recording Technology

Discusses video tape types, track patterns, and helical scanning.

VCR Signal Processing and Noise Control

Covers NTSC signal processing, crosstalk suppression, and noise reduction.

VCR Servo Systems and Trick Play Modes

Explains VCR servo systems and special playback features like Still, Slow, Search.

VCR Type Comparisons

Compares 1/2" Hi-fi, VHS Hi-fi, and 8mm VCR systems and features.