Telequipment D67 Oscilloscope Repair Manual – PDF DOWNLOAD

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Telequipment D67 Oscilloscope Repair Manual

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LANGUAGE:ENGLISH
PAGES:81
DOWNLOADABLE:YES
FILE TYPE:PDF

TELEQUIPMENT D67 OSCILLOSCOPE REPAIR MANUAL – PDF DOWNLOAD:

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Telequipment D67 Oscilloscope Repair Manual

INTRODUCTION:

• The 067 is a 25 MHz, all solid state dual-trace oscilloscope. An 8 x 10 cm mesh CRT provides a bright and clear display. The dual-trace vertical system displays either channel , separately, adds channels algebraically, alternates between channels or chops between channels at 80 kHz rate. The delayed sweep feature permits close examination of any part of a complex waveform and allows for an accurate. time measurement of the input waveform.
• The solid state design, using FET input circuitry, provides minimum drift and ‘ fast stabilization time . The design of this instrument is subject to continuous development and improvement, consequently this instrument may incorporate minor changes in detail from theinformation contained herein, which would, in the main, affect chapters 5 and 6 and the reader should pay particular attention to the notes at the beginning of chapter 5.

CRT CONTROLS :

BRILLIANCE varies the intensity of the display as well as serving as the on-ofi switch. in the A lNTENS BY 8 display mode, the portion of the display swept by the B Sweep is at the same intensity as in the A only condition, the remainder is slightly dimmed, reference Fig. 7. FOCUS controls the definition of the display. ASTIG is used in conjunction with FOCUS for best overall definition. _ . ‘ TRACE ROT’N rotates the traces about the horizontal axis of the CRT and is used to align the traces with the horizontal graticule divisions. . ‘ SCALE lLLUM varies the intensity of the graticule illumination.

TABLE OF CONTENTS:

Telequipment D67 Oscilloscope Repair Manual

SPECIFICATION
OPERATING INSTRUCTIONS
CIRCUIT DESCRIPTIONS
MAINTENANCE & CALIBRATION
COMPONENT LIST
CIRCUIT DIAGRAMS

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