Daewoo K3050MECHA service manual Descriptionofthemechanism, 1CHARACTERISTICOFTHEK30-DECKMECHANISM

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1.DESCRIPTIONOFTHEMECHANISM

1-1CHARACTERISTICOFTHEK30-DECKMECHANISM

1)K30-MECHA DECK follows the VHS standard.

2)K30-MECHA DECK uses three motors (DRUM MOTOR, CAPSTAN MOTOR and L/C MOTOR)

3)K30-MECHA DECK uses L/C MOTOR to drive FRONT LOADING.

4)K30-MECHA DECK recognizes each mode by using a 4-BIT MODE signal. This 4-BIT MODE signal is generated by the CAM SWITCH which is driven by the L/C MOTOR.

5)K30-MECHA DECK is operated by 7 MODES (EJECT/INITIAL/REV/IDLE/PLAY, STOP, SLOW/BRAKE/FF & REW).

6)K30-MECHA DECK reduces the mode shifting time, that is, picture playing time by using the FULL LOADING SYSTEM that has the DRUM wrapped by the tape.

7)K30-MECHA DECK is seperated from the Main PCB. When assembling, it is connected by B-B TYPE CONNECTOR.

The CAPSTAN MOTOR and DRUM OUTPUT of K30-MECHA DECK and the MAIN PCB DECK are directly connected without using cable.

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Contents VCR Mechanism Unit Contents Descriptionofthemechanism 1CHARACTERISTICOFTHEK30-DECKMECHANISMWire Diagram 2WIREDIAGRAMConnector PIN Arrangement Assembling Diagram of Deck Assy TOP View AssemblingdiagramBottom View Parts Location of Front Loading Assy A. TOP View Front View Periodicmaintenanceandserviceschedule Periodic Maintenance and Service ScheduleCleaning and Lubrication Name Periodic Service Time Service Schedule for the Major PartsList of Jigs and Tools Items Model Remarks JigsandtoolsSketch of Jigs and Tools Front Loading Assy Removal See Fig Disassembly and ReplacementDisassemblyofthefrontloadingassy SeeFig.3-2~3-6 Remove one screw holding the Prism Link L. Fig DRUMASSY/EARTHBRACKETASSYREMOVALSeeFig.3-7 Insert Points TOP PlateREELBELT,LOADINGRACKASSY,LOADINGASSY,S/TSLANTPOLEASSY TOTALASSYREMOVALSee -11 A/CHEADASSYREMOVALSeeFig.3-10L/CBRACKETASSYREMOVALSeeFig.3-11 PinchleverS/TMAIN&SUBBRAKEASSYREMOVALSeeFig.3-14 CAMGEAR,RELAYLEVERANDF/LRACKREMOVALSeeFig.3-11TENSIONBANDASSYREMOVALSeeFig.3-15,3-16 IDLERPLATETOTALASSY&S/TREELTABLEREMOVALSeeFig.3-19 CAPSTANMOTORREMOVALSeeFig.3-18REELGEARTOTALASSY&CONNECTPLATEREMOVALFig.3-21 FEHEADREMOVALSeeFig.3-20MECHANICALADJUSTMENTSeeFig.4-1~4-5 MechanicaladjustmentTriangle Marks Must Meet Each Other Page Datum Hole Tape BACKTENSIONMEASUREMENTSeeFig.4-6~4-7Mechanicalmodeoperatingthevcrwithoutacassettetape Tensionpole PositionadjustmentAdjustmentoftapetransportingsystem Adjustment of the S/T Guide Roller Adjustment of the A/C Head Assy Tilt Adjustment Position Adjustment Playback Phase Adjustment See Fig Linearity Adjustment Drum Entrance /EXIT See -8,5-9 Review ¤APLAY See Fig Audio Output A/C Head Tilt & Height Adjustment Position See Fig Exploded View of Deck Assy TOP View Exploded View and Parts ListExplodedviewofdeckassybottomview EXPLODEDVIEWOFF/LASSY D0040 LOC Stock no Part Name Description Ntsc Parts List of Deck Total AssyLOC Stock no Part Name Description Secam Parts List of Drum Price ASS’Y LOC Stock no Part Name Description Drum AS Parts List of Drum Total ASS’YLOC Stock no Part Name Description Mail G7F00E@web.dwe.co.kr TEL FAX