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8mm CAMCORDER
VP-A50/VP-A52 VP-A55/VP-A57

SERVICE
8mm CAMCORDER

Manual
CONTENTS

For mechanical disassembly and adjustment, refer to the "Mechanical Manual" (DE-6 AD68-30200A).

1. Precautions 2. Reference Information 3. Product Specifications and Comparison Chart 4. Disassembly and Reassembly 5. Alignment and Adjustment
PUSH

6. Exploded View and Parts List 7. Electrical Parts List 8. Block Diagrams 9. PCB Diagrams 10. Wiring Diagram 11. Schematic Diagrams

Samsung Electronics Co., Ltd. MAR. 1997

AD68-20275A

Schematic Diagrams

11-1

DC/DC Converter

Samsung Electronics

11-3

Schematic Diagrams

11-2

System Control/Servo

DRUM SPEED CONTROL DRUM PHASE CONTROL

CAPSTAN SPEED CONTROL CAPSTAN PHASE CONTROL

1

2

3

4

5

6

7

11-4

Samsung Electronics

Schematic Diagrams

11-3

Video

REC Y PROCESS PB Y PROCESS

REC C PROCESS PB C PROCESS

TO/FROM PROCESS/DRIVE

Samsung Electronics

11-5

Schematic Diagrams

11-4 Pre-Amp

REC Y PROCESS PB Y PROCESS

REC C PROCESS PB C PROCESS

COMPOSITE VIDEO PB PROCESS COMPOSITE VIDEO REC PROCESS

1

2

3

4

5

11-6

Samsung Electronics

Schematic Diagrams

11-5

Audio

REC PROCESS

PB PROCESS

Samsung Electronics

11-7

Schematic Diagrams

11-6

MIC

REC PROCESS

CN702

11-8

Samsung Electronics

Schematic Diagrams

11-7

Process

CAMERA SIGNAL

DOES NOT APPLY

1

DOES NOT APPLY

2

3

4

5

D.ZOOM OPTION

6

D.ZOOM OPTION

DOES NOT APPLY

DOES NOT APPLY

7
DOES NOT APPLY

VP-A52 ONLY EIS OPTION

8
NT/PAL OPTION

DOES NOT APPLY

Standard voltage is DC.

Samsung Electronics

11-9

Schematic Diagrams

11-8

Drive

Does not apply

Does not apply

Does not apply

Does not apply

Standard voltage is DC.

11-10

Samsung Electronics

Schematic Diagrams

11-9

CCD

CAMERA SIGNAL

1

2

: VP-A55/VP-A57 : VP-A50/VP-A52

3

4

5

6

7

Standard voltage is DC.

8

Samsung Electronics

11-11

Schematic Diagrams

11-10

EIS 1(VP-A55/VP-A57)

11-12

Samsung Electronics

Schematic Diagrams

11-11

EIS 2(VP-A55/VP-A57)

Standard voltage is DC.

Does not apply

Samsung Electronics

11-13

Schematic Diagrams

11-12

EVF(VP-A50/VP-A55)

Standard voltage is DC.

11-14

Samsung Electronics

Schematic Diagrams

11-13

CVF(VP-A52/VP-A57)

Standard voltage is DC.

Samsung Electronics

11-15

Schematic Diagrams

11-14

Function

11-16

Samsung Electronics

Schematic Diagrams

11-15

Adaptor

Samsung Electronics

11-17