Daewoo VCR MECHANISM UNIT service manual Adjustment of the Audio Azimuth, Position

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ADJUSTMENT OF THE TPAE TRANSPORTING SECTION. (CONTINUED)

K.Adjustment of the AUDIO AZIMUTH

Test Point	AUDIO OUTPUT	AUDIO OUTPUT JACK
Measurement Equipment	AUDIO LEVEL METER

a.Connect the AUDIO output JACK with an AUDIO LEVEL METER.

b.Play back the ALIGNMENT TAPE(DN-2:MONO- SCOPE 7KHz Signal).

c.Check if the AUDIO output signal level is over : -9 ~- 3dBm.

d.If the requirement of “c” is not satisfied, readjust the AZIMUTH SCREW of the AC HEAD until the AUDIO output is maxized.(Fig. 5.4)

e.Repeat the Process of “Adjustment of the wave form of

DRUM Entrance/Exit”

L. X-POSITION

	Test Point	S/W PULSE TEST PIN	PATH ADJ. FIXTURE
	Test Point	ENVELOPE TEST PIN	PATH ADJ.FIXTURE
		ENVELOPE TEST PIN	PATH ADJ.FIXTURE
	Measurement Equipment	OSILLOSCOPE
	Adjustment	VR CONTROL	PATH ADJ.FIXTURE
	Adjustment	S/T GHIDE ROLLER	TAPE TRANSMISSON SECTION
		S/T GHIDE ROLLER	TAPE TRANSMISSON SECTION

a.Connect the PT01 on the MAIN CIRCUIT BOARD with a PATH ADJ.FIXTURE.

b.Play back an ALIGNMENT TAPE(DN-2: MONO- SCOPE Signal).

c.Connect theS/W PULSE TEST PIN on the PATH ADJ.FIXTURE with a CHANNEL-1 SCOPE PROBE.

d.Connect the VIDEO OUT on the MAIN CIRCUIT BOARD with a CHANNEL-2 SCOPE PROBE(1V/div)

e.Check if the ENVELOPE is maximum when the VR CONTROL on the PATH ADJ. FIXTURE is in CEN- TER.

f.If the requirement “e” is not satisfied, readjust the X- POSITION by referring to subitem “E”(Adjustment of the X-POSITION).

g.Repeat the process of subite, “F(PLAYBACK PHASE ADJUSTMENT).

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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 AC Head ASS’YTILT Adjustment of the S/T Guide RollerAdjustment of the AC Head HeightFig Adjustment of the Audio AZIMUTHFigAdjustment 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