Sharp R-309B Provozní pokyny stáhnout pdf (Strana 5)

Page

MAINTENANCE

.,

SECTION

5

••••••••••••••••••••

!

•••••••••••

5-1

5.1

Introduction.

. .

5-1

5.2

Access

.

5-1

5.3

Fuses

.

5-1

5.4

Adjustment

Procedures

and

Check

.

5-1

5.4.1

Power-Supply

Board,

Voltage

Adjustment

.

5-2

5.4.2

Crystal-Oscillator

Adjustment

.

5-2

5.4.3

Frequency-Meter

Adjustment

.

5-3

5.4.4

20-dB

Fixed-Attenuator

Loss

Check

.

5-10

5.4.5

Signal-Generation-Output

Level

Adjustment

.

5-11

5.4.6

Signal-Generator-Mixer

Input

Level

Check

.

5-11

5. 5

Troubleshooting

Procedures

.,

.

5-13

SECTION

6

SCHEMA

TICS,

PARTS

LISTS,

AND

PARTS

PICTORIALS

.

6-1

6.1

Introduction

.

6-1

6.2

Schematics,

Parts

Lists,

Parts

Pictorials

.

6-3

6.2.1

Second

IF

and

Discriminator

Board

..

, .

6-3

6.2.2

Power

Supply

Board

.

6-7

6.2.3

Frequency

Error

Meter

Board

.

6-11

6.2.4

Harmonic

Generator

Board

.

6-13

6.2.5

Multi-Oscillator

Board

.

6-17

6.2.6

IF

Oscillator

Board

.

6-21

6.2.7

IF

Oscillator

Board

.

6-23

6.2.8

Signal

Generator

Mixer

.

6-25

6.2.9

Crystal

Oven

Assembly

..

, .

6-27

6.2.10

Main

Chassis

.

6-31

6.2.11

Front

Panel

.

6- 35

6.2.12

Rear

Panel

.

6-39

6.2.13

Covers

and

Carrying

Cases

.

6-41

CUSTOMER-COMMENT

CARDS

ILLUSTRATIONS

Figure

Page

1-1.

CE-7

Multi-Channel

FM

Communications'

Monitor

(Equipped) .

1-1

3-1.

Installation-

Removal,

IF-Oscillator

Boards

.

3-7

4-1.

CE-7,

Block

Diagram

.

4-3

4-2.

Second

IF

and

Discriminator

Board,

Block

Diagram

.

4-5

4-3.

Frequency-Meter

Bridge,

Simplified

Schematic

Diagram

and

Waveforms

.

4-5

4-4.

Audio-Output

Filter,

Simplified

Schematic

Diagram

and

Waveforms

.

4-6

1 2 3 4 5 6 7 8 9 10 ... 95 96

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