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LA76931

64Pin LA76931 for Color Television Receiver / SERVICE MANUAL

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Table of Contents

1. Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......................................................... .1

2. La76931 Series Fundamental Circuit Diagram Block .. . . . . ......................................................... . . .2

3. Chapter One Power Supply ....... ..................... . . . . . . . . . . .............................................................3

4. Chapter Two Horizontal Deflection . . . .. . . . . . . . . . . . . . . ......................................................... . . . . 6

5. Chapter Three The Technical Note of LA 76931. . . . . . . . . . . . .........................................................11

6.Chapter Four LA 76931 Bus Control Instruction. .. . . . .. . . . . .. ........................................................57

7. Chapter Five Typical Failure Analyse. . . . . . . . . . . . . . . . . . . . . . ....................................................... 63

8. The Circuit Diagram . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. ................................................71

WARNING:

even with an isolation transformer , a live chassis should **not** be considered a safe ground point.

This applies mostly to TV s, computer and video monitors, some AC operated strobe lights, and other line

connected devices. You should not be touching components with the device

powered and plugged in ( at least , not until you really know what you are doing!). Once unplugged, sheet

metal shields or other ground points should be safe and effective.

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