Daewoo VCR MECHANISM UNIT service manual Periodic Maintenance and Service Schedule

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PERIODIC MAINTENANCE AND SERVICE SCHEDULE

1.PERIODIC MAINTENANCE AND SERVICE SCHEDULE

A. In order to effectively maintain the excellent performance and fully utilize the features of this apparatus, and to lengthen the life of the mechanism and tapes, we strongly urge you to perform periodic maintenance and inspection, as described below.

*After repairing, do the maintenance described below, irrespec- tive of the length of time in use.

B. Cleaning of the Head Drum Ass'y

-Clean the Drum assembly with a cleaning cloth soaked in liquid cleaner (alcohol) by placing lightly against the Drum and slowly revolving the rotating HEAD DRUM Ass'y by hand (Do not rotate the upper Drum by applying electric power to the motor when cleaning).

-Do not move the cleaning cloth in the vertical direction against the heat-tip.

C.Cleaning the tape transporting section.

-Clean the tape transporting parts with a cleaning cloth soaked in alcohol.

D.Cleaning of driving section

-Clean the driving section with a cloth soaked in alcohol.

E.Routine inspection

-Perform maintenance and inspection as separately described depending on the period of time in use.

-Refer to the table of 2-2-3.

-After cleaning with alcohol, allow the parts to dry thoroughly before using a cassette tape.

b. Cleaning of Driving section

REEL TABLE

CAPSTAN FLYWHEEL/PULLEY

REEL PULLEY B. LUBRICATION

S REEL POST

T REEL TABLE POST

REEL GEAR POST

-After cleaning these parts with alcohol, lubricate these with one or two drops of oil.

2. CLEANING AND LUBRICATION

A. Cleaning of Tape Transporting section and Driving section a. Cleaning of Tape Transporting section

-The following parts should be cleaned after every 500 hours of use.

• TENSION POLE

• S SLANT POLE

• AC HEAD/AE HEAD

• S GUIDE POST

• VIDEO HEAD/DRUM

• T GUIDE POST

• FE HEAD

• T SLANT POLE

• CAPSTAN SHAFT

• S GUIDE ROLLER

• T GUIDE ROLLER

• PINCH ROLLER

VERTICAL POST

-As the above parts contact with the video tape, they tend to collect dust particles. If they are stained with dust or foreign substance it has a bad effect on the picture and may lead to damage of the tape.

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Contents VCR Mechanism Unit Contents Assembly diagram Deck Assembly diagram A. Upper View Assembly Diagram and A/SLower View Front Loading Assembly diagram Wire Diagram Connector Pin Arrangement Wire DiagramPeriodic Maintenance and Service Schedule Periodic Maintenance and Service ScheduleService Schedule for the Major Parts Service Schedule for the Major PartsList of Jigs and Tools Jigs and ToolsSketch of Jigs and Tools Deassembly of Front Loading Ass’y .2~3.5 Deassembly and ReplacementRemoval of the Front Loading Ass’y Fig Deassembly of the Cassette Holder Ass’y Deassembly of Drum Ass’y FigDeassembly of the Loading RACK, Loading Deassembly of the A/C Head ASS’Y Fig10 Deassembly of the LC Bracket ASS’Y from Deassembly of the CAM GEAR, Relay LEVER, FL Rack FigDeassembly of the Capstan Motor Fig Deassembly of the Tension Band ASS’Y FigDeassembly of the FE Head Fig Deassembly of the Reel TABLE, Idler Plate Total ASS’Y Fig Deassembly of the Reel Brkt Total ASS’Y, Connect Plate FigMechanical Adjustment .1~4.4 Mechanical AdjustmentAssembly reference between the Loading Rack Adjustment and measurement of the Back Tension .5Adjustment of the position of the Tension Pole Fig Mechanical Mode Operate without a cassette tapeA schematic diagram of the tape transporting section Adjustment of the Tpae Transporting SectionCleaning Adjustment of the Tpae Transporting SystemAdjustment of the Audio AZIMUTHFig Adjustment of the S/T Guide RollerAdjustment of the AC Head ASS’YTILT Adjustment of the AC Head HeightFigAdjustment of the LINEARITYFig Playback Phase ADJUSTMENTFigReview Adjustment of the wave form of Drum Entrance / Exit FigPosition Adjustment of the Audio AzimuthExploded view of Deck Ass’y Top View Exploded View and Parts ListExploded view of Deck Ass’y Bottom View Exploded view of FL Ass’y Exploded view Drum Total Ass’y D0040 D0020 D0050 D0010 D0060 D0070LOC Part S/N Part Name Part Discription Ntsc M1OOO Parts List of Deck Total Ass’y continud Parts List of Deck Total Ass’y LOC Part S/N Part Name Part Discription Ntsc Mail G7F00E@web.dwe.co.kr TEL FAX