Ampex ATR-700 Manuale utente

■

OPERATION

AMD

MAINTENANCE

/■

AMPEX

audio

video

SYSTEMS

DIVISION

V-

CATALOG

NO.

4890410-02

ISSUED:

OCTOBER

1977

ATR-700

RECORDER/REPRODUCER

OPERATION

AND

MAINTENANCE

WARNING

AMPEX

CORPORATION

AUDIO-VIDEO

SYSTEMS

DIVISION

CATALOG

4890410-02

ISSUED:

OCTOBER

1977

T is

equipment

generates,

uses,

and

can

radiate

radio

frequency

energy

and

not

installed

and

used

accordance

wit

t e

instruction

manual,

may

cause

interference

radio

communications.

temporarily

permitted

regulation

not

been

tested

for

compliance

wit

t e

limits

for

Class

computing

devices

pursuant

Subpart

Part

FCC

Rules,

w ic

are

designed

provide

reasonable

protection

against

suc

inter



ference.

Operation

t is

equipment

residen



tial

area

likely

cause

interference

w ic

case

t e

user

own

expense

will

required

take

w atever

measures

may

required

correct

the

interference.

Prepared

AVSD

Tec nical

Publications

Ampex

Corporation

401

Broadway

Redwood

City,

California

94063

CATALOG

4890410-02

ISSUED:

OCTOBER

1977

TABLE

CONTENTS

►

PAGE

NO.

PARAGRAPH

NO.

TITLE

SECTIONS

OPERATION

SECTION

THEORY

OPERATION

AMPEX

4890410-02

1-1

1-2

3-1

3-2

3-3

3-4

3-5

3-6

3-7

3-8

3-9

3-10

3-11

3-12

3-13

3-14

3-15

3-16

4-1

4-2

4-3

4-4

4-5

SECTION

GENERAL

INFORMATION

Description

Specifications

SECTION

INSTALLATION

Unpacking

and

Inspection

Installation

Site

Rack

Mounting

Voltage

and

Frequency

Conversion

Initial

Connections

Input

Connections

Output

Connections

Verification

Connections

Optional

Modification

for

Line

Output

Metering

Controls

and

Indicators

Pre-Operating

Procedures

Reel

Installation

Small

Hub

Reels

Large

Hub

Reels

Holddown

Knob

Spacer

Removal

T reading

t e

Tape

Operating

Procedures

Recording

Sync ronous

Reproduce

Recording

MIC

Recording

MIC-LINE

Mixing

LINE-LINE

Mixing

Reproducing

Editing

Erasing

Tape

Transport

T eory

Sequence

Operation

for

Eac

Mode

Play

Mode

Fast

Forward

Mode

Fast

Rewind

Mode

2-1

2-4

2-6

2-10

3-1

3-12

3-13

3-14

3-17

3-18

3-19

3-20

4-1

4-2

2-1

2-2

2-3

2-4

2-5

2-6

2-7

2-8

2-9

1-1

1-2

TABLE

CONTENTS

(Continued)

TITLE

PAGE

NO.

PARAGRAPH

NO.

SECTION

THEORY

OPERATION

(Continued)

SECTIONS

MAINTENANCE

AMP

4890410X12

4-6

4-7

4-8

4-9

4-10

4-11

4-12

4-13

4-14

4-15

4-16

4-17

4-18

4-19

4-20

4-21

4-22

4-23

4-24

4-25

4-26

4-27

4-28

4-29

5-1

5-2

5-3

5-4

5-5

5-6

5-7

5-8

5-9

5-10

5-11

5-12

Record

Mode

Pause

Mode

Stop

Mode

Reel

Hub

Size

Selection

Power

Line

Frequency

Selection

(50

Hz/60

Hz)

Solenoid

Drive

Circuit

Rewind

Stop

Unit

EDIT

switc

Signal

System

T eory

Reproduce

Operation

Reproduce

Equalizer

Amplifier

Reproduce

Line

Amplifier

Buffer

Amplifier

Line

Output/P one

Amplifier

Sync ronous

Reproduce

Operation

Record

Operation

Input

Selector

Mix

Line

Amplifier

Record

Amplifier

Bias

Oscillator

Meter

Amplifier/Stabilizer

Switc board

Head

Select

PWA

Test

Equipment

Cleaning

...............................

Demagnetizing

Lubrication

Pinc

Roller

Capstan

S aft

Digital

Counter

Roller

Electro-Mec anical

C ecks

and

Adjustments

Panel

Removal

Capstan

S aft

Tolerance

Adjustment

Coarse

Head

Adjustment

Pinc

Roller

Pressure

C eck

and

Adjustment

5-1

5-2

5-3

5-4

5-5

5-6

4-2

4-9

4-10

4-14

4-15

4-16

4-17

4-18

4-23

TABLE

CONTENTS

(Continued)

PAGE

NO.

TITLE

PARAGRAPH

NO.

AMPEX

4890410-02

5-13

5-14

5-15

5-16

5-17

5-18

5-19

5-20

5-21

5-22

5-23

5-24

5-25

5-26

5-27

5-28

5-29

5-30

5-31

5-32

5-33

5-34

5-35

5-36

5-37

5-38

5-39

5-40

5-41

5-42

5-43

5-44

5-45

5-46

5-47

5-48

5-49

5-50

SECTIONS

MAINTENANCE

(Continued)

Tension

Measurements

and

Adjustments

Back

Tension

(Play

Mode)

Takeup

Tension

(Play

Mode)

Fast

Winding

Back

Tension

Fast

Winding

Tension

Brake

Torque

Measurement

and

Adjustment

Brake

Band

and

Drum

Clearance

Adjustment

Performance

Tests

Test

Equipment

Tape

Speed

and

Wow

Flutter

Test

Reproduce

Signal-to-Noise

Ratio

Reproduce

Frequency

Response

Overall

Frequency

Response

Overall

Signal-to-Noise

Ratio

Electrical

C ecks

and

Adjustments

Voltage

Adjustment

Tape

Speed

Adjustment

Reproduce

Head

Alignment

Reproduce

Output

Level

Setting

Meter

Setting

Frequency

Response

Reproduce

Signal-to-Noise

Ratio

Headp ones

Output

Level

Monitor

Performance

C ecks

LINE

Input

Level

C eck

MIC

Input

Level

C eck

Record

Adjustments

Bias

Trap

Adjustment

(Record)

Bias

Trap

Adjustment

(Reproduce)

Bias

Setting

Adjustment

(Position

Record

Level

Set

Frequency

Response

Adjustments

Bias

Setting

Position

Bias

Setting

Position

Bias

Setting

Position

Dummy

Coil

Adjustment

Overall

Signal-to-Noise

Ratio

Distortion

C eck

5-7

5-10

5-11

5-12

5-14

5-15

5-16

5-17

5-18

5-20

5-21

5-22

5-23

5-25

5-26

5-27

5-28

5-29

TABLE

CONTENTS

[Continued)

TITLE

PAGE

PARAGRAPH

SECTION

MAINTENANCE

(Continued)

PARTS

LISTS

AND

SCHEMATICS

SECTION

List

Assemblies

and

Sc ematics

6-ii

AMPEX

4890410-02

5-51

5-52

5-53

5-54

5-55

5-56

5-57

5-58

5-59

Erasure

Crosstalk

Replacement

Parts

Head

Assembly

and

Head

Replacement

Capstan

Motor

Replacement

Capstan

Motor

wit

Different

Speed

Reel

Table

Replacement

and

Heig t

Adjustment

Reel

Motor

Replacement

Troubles ooting

5-30

5-31

5-32

5-33

5-34

5-35

LIST

ILLUSTRATIONS

PAGE

TITLE

FIGURE

1-6

ATR-700

External

Dimensions

1-1

vii

AMPEX

4890410-02

3-1

3-2

3-3

4-1

4-2

4-3

4-4

4-5

4-6

4-7

4-8

4-9

4-10

4-11

4-12

4-13

4-14

4-15

4-16

4-17

Unpacking

t e

ATR-700

Uprig t

Position

Rack

Adapter

Installation

Screw

Locations

for

Panel

Removal

Voltage

and

Frequency

Conversion

Voltage

Conversion

Plug

Hz/60

Frequency

Conversion

Switc .

Rear

Connector

Panel

Rear

Connector

Panel

—

Initial

Connections

Reel

Table

Spindle

Large

Hub

Reel

Installation

Tape

T reading

Pat

Control

Unit

Sc ematic

Power

Supply

Sc ematic

Timing

Diagram

Switc board

Sc ematic

Signal

System

Block

Diagram

Signal

Level

Diagram

Reproduce

Equalizer

Amplifier

Sc ematic

Reproduce

Line

Amplifier

Sc ematic

Output/P one

Amplifier

Sc ematic

Output

Transformer

PWA

Sc ematic

Input

Selector

PWA

Sc ematic

Mix

Line

Amplifier

Sc ematic

Record

Amplifier

Sc ematic

Bias

Oscillator

Sc ematic

Meter

Amplifier/Stabilizer

Sc ematic

Switc board

Sc ematic

Head

Assembly

Sc ematic

Lubrication

Points

Digital

Counter

Roller

Location

Digital

Counter

Roller

Lubrication

Connector

Panel

Screws

Capstan

S aft

Tolerance

Adjustment

Head

Alignment

Tape

Positioning

for

Head

Alignment

3-13

3-15

4-3

4-4

4-5

4-8

4-11

4-12

4-13

4-15

4-16

4-17

4-19

4-20

4-21

4-22

4-24

4-25

5-3

5-4

5-5

5-6

5-7

5-8

2-1

2-2

2-3

2-4

2-5

2-6

2-7

2-8

2-9

5-1

5-2

5-3

5-4

5-5

5-6

5-7

2-2

2-3

2-4

2-5

2-7

2-8

2-9

LIST

ILLUSTRATIONS

(Continued)

PAGE

NO.

TITLE

FIGURE

NO.

viii

AMPEX

4890410-02

Pinc

Roller

Pressure

Measurement

Pinc

Roller

Mounting

Screws

Location

Pinc

Roller

Pressure

Adjustment

Tension

Measurement

Torque

and

Tension

Adjustment

Resistors

Torque

Measurement

Brake

Assembly

ASA

"A"

Weig ted

Filter

Test

Connections

Voltage

Adjustment

Tape

Speed

Adjustments

Locations

Electrical

Adjustments

L701

Dummy

Coil

Head

Assembly

Removal

Head

Assembly

Connectors

Head

Disassembly

Capstan

Motor

Removal

Reel

Table

Removal

Reel

Heig t

Adjustment

Reel

Motor

Assembly

Removal

....

Troubles ooting

Flow

C art

5-8

5-9

5-11

5-12

5-13

5-14

5-15

5-16

5-17

5-18

5-19

5-20

5-21

5-22

5-23

5-24

5-25

5-26

5-27

5-28

5-29

5-8

5-9

5-11

5-12

5-13

5-14

5-15

5-17

5-19

5-21

5-22

5-24

5-29

5-32

5-33

5-34

5-35

5-36

5-37

LIST

TABLES

PAGE

TITLE

TABLE

2-10

Input

Connections

2-1

3-16

4-7

4-14

4-3

4-23

AMPEX

4890410-02

3-1

3-2

3-3

3-4

4-1

4-2

1-1

1-2

1-3

5-1

5-2

5-3

5-4

5-5

5-6

5-7

ATR-700

Versions

ATR-700

Specifications

Accessories

and

Options

Operating

Controls

Input

and

Output

Controls

Head

Housing

and

Tape

Counter

Controls

Switc

Settings

for

Normal

Record

and

Reproduce

Operations

Sequence

Output

Signals

Control

Unit

State

Reproduce/Equalizer

Amplifier

Transistors

for

Various

Tape

Speeds

and

Equalization

Curves

State

Transistors

Record

Amplifier

for

Various

Speeds

and

Equalization

Curves

Test

Equipment

and

Material

Tension

Measurements

Ampex

Test

Tapes

RECORD

Switc

Settings

for

Four

Types

Tape

Voltage

Test

Points

and

Adjustments

Frequency

Response

Limits

Frequency

Response

Adjustment

Potentiometers

3-1

3-7

3-10

1-2

1-5

5-1

5-11

5-16

5-19

5-20

5-25

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