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S/M No. : VK811PSEF0
Service Manual
Video Cassette Recorder
ALL K50-MECHA (Hi-Fi/MONO)
Model: (PAL/SECAM MODELS)
DV-K811 / K411 / K211 Series
DV-K821 / K421 / K221 Series
DV-K841 / K441 / K241 Series
DV-K861 / K461 / K261 Series
DV-K871 / K471 / K271 Series
DV-K891 / K491 / K291 Series
DV-K9A1 / K4A1 Series
DV-K811D
A
DV-K831D
F2GHA0
DV-K861D
DV-K891D
DAEWOO ELECTRONICS CO., LTD.
http : //svc.dwe.co.kr Jan. 2000
TABLE OF CONTENTS
SAFETY&PRECAUTIONS ................................................................................................ 2
EXTERNAL VIEWS ......................................................................................................... 4
FRONT VIEWS FUNCTION .................................................................................................................... 4
REAR VIEWS FUNCTION ...................................................................................................................... 6
ELECTRICAL ADJUSTMENT............................................................................................ 7
SPECIFICATIONS ......................................................................................................... 8
VOLTAGE CHART ........................................................................................................ 9
CIRCUIT DIAGRAM ...................................................................................................... 13
POWER CIRCUIT DIAGRAM................................................................................................................. 13
SYSCON CIRCUIT DIAGRAM ............................................................................................................... 14
A/V CIRCUIT DIAGRAM (PAL)............................................................................................................... 15
A/V CIRCUIT DIAGRAM (SECAM) ......................................................................................................... 16
PIF CIRCUIT DIAGRAM........................................................................................................................ 17
HI-FI & SW CIRCUIT DIAGRAM............................................................................................................. 18
SW CIRCUIT DIAGRAM ....................................................................................................................... 19
SHUTTLE / PATH JIG DIAGRAM ............................................................................................................. 20
WAVEFORMS ON VIDEO CIRCUIT ................................................................................ 21
COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW ............................................ 24
PCB MAIN.......................................................................................................................................... 24
DISASSEMBLY ............................................................................................................. 25
PACKING ASS' ................................................................................................................................. 25
Y
FRONT PANEL ASSEMBLY ................................................................................................................... 26
INSTRUMENT DISASSEMBLY ................................................................................................................. 30
ELECTRICAL PARTS LIST ............................................................................................... 36
PCB MAIN AS .................................................................................................................................... 36
TABLE OF DIFFERENT PART LIST FOR PCB MAIN AS .............................................................................. 48
APPENDIX
TROUBLE SHOOTING FLOW CHART .............................................................................. 1
POWER CIRCUIT ................................................................................................................................. 1
PIF CIRCUIT........................................................................................................................................ 3
SERVO-SYSCON CIRCUIT .................................................................................................................... 4
AUDIO CIRCUIT (NORMAL) ................................................................................................................. 12
VIDEO CIRCUIT .................................................................................................................................. 15