Daewoo DVST7J3-4J3-2J3, DVST7E3-4E3-2E3, DVST7W3-4W3-2W3, DVST7L3-4L3-2L3, DVST7D3-4D3-2D3 User Manual

S/M No. : VTG7J3DET0

Service Manual

Video Cassette Recorder

ALL T -MECHA (Hi-Fi/MONO)

Model: (PAL/SECAM MODELS)
D VST7C3/4C3/2C3 Series
D VST7E3/4E3/2E3 Series
D VST7M3/4M3/2M3 Series
D VST7J3/4J3/2J3 Series
D VST7D3/4D3/2D3 Series
D VST7T3/4T3/2T3 Series
D VST7W3/4W3/2W3 Series
D VST7L3/4L3/2L3 Series

DVST7L3

DVST7E3

2

DVST7C3

DVST7B3

D AEW OO ELECTR ONICS CO., LTD.

http : //svc.dwe .co.kr

Apr . 2002

TABLE OF CONTENTS

SAFETY&PRECAUTIONS................................................................................................ 2

EXTERNAL VIEWS......................................................................................................... 4

FRONT VIEWS FUNCTION.................................................................................................................... 4

REAR VIEWS FUNCTION...................................................................................................................... 6

ELECTRICAL ADJUSTMENT............................................................................................ 7

SPECIFICATIONS ......................................................................................................... 8

CIRCUIT INFORMATION............................................................................................... 9

INTERCONNECT WIRING DIAGRAM..................................................................................................... 9

POWER CIRCUIT DIAGRAM................................................................................................................. 10

POWER BLOCK DIAGRAM.................................................................................................................. 12

SYSCON CIRCUIT DIAGRAM............................................................................................................... 13

SERVO & SYSCON BLOCK DIAGRAM.................................................................................................. 15

A/V & SECAM COLOR CIRCUIT DIAGRAM........................................................................................... 16

VIDEO PLAYBACK/RECORD PATH FOR PAL.......................................................................................... 18

HIFI & SW CIRCUIT DIAGRAM.............................................................................................................. 19

PIF CIRCUIT DIAGRAM........................................................................................................................ 21

COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW............................................ 23

PCB MAIN.......................................................................................................................................... 23

DISASSEMBLY ............................................................................................................. 24

PACKING ASS’Y ................................................................................................................................. 24

FRONT PANEL ASSEMBLY ................................................................................................................... 25

INSTRUMENT DISASSEMBLY ................................................................................................................. 29

ELECTRICAL PARTS LIST ............................................................................................... 30

PCB MAIN AS .................................................................................................................................... 30

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