Daewoo K3050MECHA service manual BACKTENSIONMEASUREMENTSeeFig.4-6~4-7, Datum Hole Tape

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4-2.BACKTENSIONMEASUREMENT(SeeFig.4-6~4-7)

a. Confirm that the position of the TENSION POLE is correctly POSITIONED. Refer to the "4-4 TENSION POLE POSITION ADJUSTMENT ".

b. Play back a T-120 TAPE at its center position without assemblying F/L ASSEMBLY and wait until the TAPE running is stabilized (about 5~10 seconds).

c. Bring the TENTELOMETER into contact with the TAPE (Fig.4-6) and measure the BACK TENSION. The measuring result should be between 25 and 33 grams.

d. If the measuring result is not within this specification, refer to the NOTE below or repeat "4-4 TENSION POLE POSITION ADJUSMENT". (Fig. 4-7)

DATUM HOLE

TAPE

NOTE:

If the measuring result is not within the specification, change the TENSION SPRING position. (To decrease the result, choose hook A. Otherwise, choose hook B).

Confirm that all of the three probes of the TENSION METER are in contact with the TAPE. During this process, don't touch any other parts of the MECHANISM (i.e, MAINBASE).

It is recommended that this measurement be repeated at least three times for an accurate reading.

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Contents VCR Mechanism Unit Contents 1CHARACTERISTICOFTHEK30-DECKMECHANISM Descriptionofthemechanism2WIREDIAGRAM Wire DiagramConnector PIN Arrangement Assemblingdiagram Assembling Diagram of Deck Assy TOP ViewBottom View Parts Location of Front Loading Assy A. TOP View Front View Cleaning and Lubrication PeriodicmaintenanceandserviceschedulePeriodic Maintenance and Service Schedule Service Schedule for the Major Parts Name Periodic Service TimeJigsandtools List of Jigs and Tools Items Model RemarksSketch of Jigs and Tools Disassembly and Replacement Front Loading Assy Removal See FigDisassemblyofthefrontloadingassy SeeFig.3-2~3-6 Remove one screw holding the Prism Link L. Fig Insert Points TOP Plate DRUMASSY/EARTHBRACKETASSYREMOVALSeeFig.3-7REELBELT,LOADINGRACKASSY,LOADINGASSY,S/TSLANTPOLEASSY Pinchlever A/CHEADASSYREMOVALSeeFig.3-10L/CBRACKETASSYREMOVALSeeFig.3-11 TOTALASSYREMOVALSee -11CAMGEAR,RELAYLEVERANDF/LRACKREMOVALSeeFig.3-11 S/TMAIN&SUBBRAKEASSYREMOVALSeeFig.3-14TENSIONBANDASSYREMOVALSeeFig.3-15,3-16 CAPSTANMOTORREMOVALSeeFig.3-18 IDLERPLATETOTALASSY&S/TREELTABLEREMOVALSeeFig.3-19FEHEADREMOVALSeeFig.3-20 REELGEARTOTALASSY&CONNECTPLATEREMOVALFig.3-21Mechanicaladjustment MECHANICALADJUSTMENTSeeFig.4-1~4-5Triangle Marks Must Meet Each Other Page BACKTENSIONMEASUREMENTSeeFig.4-6~4-7 Datum Hole TapeTensionpole Positionadjustment MechanicalmodeoperatingthevcrwithoutacassettetapeAdjustmentoftapetransportingsystem 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 and Parts List Exploded View of Deck Assy TOP ViewExplodedviewofdeckassybottomview EXPLODEDVIEWOFF/LASSY D0040 Parts List of Deck Total Assy LOC Stock no Part Name Description NtscLOC Stock no Part Name Description Secam Parts List of Drum Price ASS’Y Parts List of Drum Total ASS’Y LOC Stock no Part Name Description Drum ASLOC Stock no Part Name Description Mail G7F00E@web.dwe.co.kr TEL FAX