Sony_Trimmer

Service Manual

370A

Programmable Curve Tracer

070-7780-06

Warning

The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to the Safety Summary prior to performing service.

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.

Printed in Japan.

Sony/Tektronix Corporation, 5??9??31 Kitashinagawa, Shinagawa??ku, Tokyo 141??0001 Japan

Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

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Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.

In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; or c) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF

ANY OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS

DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE. TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE

PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR

BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY

INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF

WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF

SUCH DAMAGES.

EC Declaration of Conformity

Tektronix Holland N.V.

Marktweg 73A

8444 AB Heerenveen

The Netherlands

declare under sole responsibility that the

370A Programmable Curve Tracer

meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the official Journal of the European Communities:

EN 55011 Class B Radiated and Conducted Emissions

EN 50081-1 Emissions:

EN 60555-2 AC Power Line Harmonic Emissions

EN 50082-1 Immunity:

IEC 801-2 Electrostatic Discharge Immunity

IEC 801-3 RF Electromagnetic Field Immunity

IEC 801-4 Electrical Fast Transient/Burst Immunity

IEC 801-5 Power Line Surge Immunity

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General Information

Theory of Operation

Main???enance

Performance Check

and Adjustment

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Replaceable Electrical Parts

This section contains a list of the electrical components for the 370A. Use this list to identify and order replacement parts.

Parts Ordering Information

Part Number Revision

Level

Replacement parts are available through your local Tektronix field office or representative.

Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements. Therefore, when ordering parts, it is important to include the following information in your order.

HPart number (see Part Number Revision Level below)

HInstrument type or model number

HInstrument serial number

HInstrument modification number, if applicable

If you order a part that has been replaced with a different or improved part, your local Tektronix field office or representative will contact you concerning any change in part number.

Change information, if any, is located at the rear of this manual.

Tektronix part numbers contain two digits that show the revision level of the part. For most parts in this manual, you will find the letters XX in place of the revision level number.

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When you order parts, Tektronix will provide you with the most current part for your product type, serial number, and modification (if applicable). At the time of your order, Tektronix will determine the part number revision level needed for your product, based on the information you provide.

Using the Replaceable Electrical Parts List

The tabular information in the Replaceable Electrical Parts List is arranged for quick retrieval. Understanding the structure and features of the list will help you find all of the information you need for ordering replacement parts. The following table describes each column of the electrical parts list.

370A Service Manual

Parts List Column Descriptions

Read: Resistor 1234 (of Subassembly 2) of Assembly 23

370A Service Manual

CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER

370A Service Manual

CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER

370A Service Manual

CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER

370A Service Manual

Diagrams

The schematic diagram and circuit board component location illustration have grids. A lookup table with the grid coordinates is provided for ease of locating the component. Only the components illustrated on the following diagram are listed in the lookup table. When more than one schematic diagram is used to illustrate the circuitry on a circuit board, the circuit board illustration may only appear previous to the first diagram on which it was illustrated; the lookup table will list the diagram number of other diagrams that the circuitry of the circuit board appears on.

Schematic Diagrams and Circuit Board Illustrations

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E101???-???E104

REV MAR 96

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R408

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M5M51008BP

REV MAR 96

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W900

CR900

REV JULY 96

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W900 H1 C5???G7

REV JULY 96

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FROM

W900

U900??5

CR900

TO CR900

REV JULY 96

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R790

74HC123AP

REV MAR 96

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CY7C128A??55PC

REV MAR 96

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Diagrams

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4.3K

REV MAR 96

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Diagrams

Assembly A6, <10> Collector Supply Amplifier

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C425

22 pF

C525

22 pF

C481

100 pF

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WIRE ELEC:26AWG UL1430

Q630 Q620

VR621

R604

R502

R500

C170

CR601

REV FEB 97

Figure 7-12. A7 ?? Step Generator circuit board assembly

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Diagrams

REV JUL 2000

Assembly A7, <11> Step Amplifier

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R460

R480

40H138P

74HC259P

TD62309P

CR601

K520S

TD62309C170

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REV MAR 96

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74HC259P

M54533

REV MAR 96

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TD62309

K306S1

K302S1

W90??27

C510

REV MAR 96

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REV MAR 96

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AD711KN

74HC259P

<13>

AD711KN

R742

470

AD711KN

R233

30K

REV MAR 96

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R565

19.6K

R560

19.6K

J302

AD711KN

C322

AD711KN

REV MAR 96

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C173

C172

REV MAR 96

A10 ?? Sence circuit board illustration and component locator grid is located on the reverse side of 13 .

REV MAR 96

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74HC259P

REV MAR 96

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R100

2.7K

C300

47u

C310

47u

C320

47u

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Diagrams

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100K

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Diagrams

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Diagrams

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Diagrams

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Replaceable Mechanical Parts

This section contains a list of the replaceable mechanical components for the 370A. Use this list to identify and order replacement parts.

Parts Ordering Information

Part Number Revision

Level

Replacement parts are available through your local Tektronix field office or representative.

HPart number (see Part Number Revision Level below)

HInstrument type or model number

HInstrument serial number

HInstrument modification number, if applicable

If you order a part that has been replaced with a different or improved part, your local Tektronix field office or representative will contact you concerning any change in part number.

Change information, if any, is located at the rear of this manual.

Tektronix part numbers contain two digits that show the revision level of the part. For most parts in this manual, you will find the letters XX in place of the revision level number.

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670%7918%03670%7918%XX

Using the Replaceable Mechanical Parts List

The tabular information in the Replaceable Mechanical Parts List is arranged for quick retrieval. Understanding the structure and features of the list will help you find all of the information you need for ordering replacement parts. The following table describes the content of each column in the parts list.