Daewoo DV-K580NZ-T service manual Tape END OUT, SW Output, Series Output

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CIRCUIT OPERATION

TAPE END OUT

When the recording tape ends during recording, end sensor will be detected. This port is used Alarm to outsider until release the end sensor detecting.

5V

0V

END Detect

HIGH

END Detect

LOW

SW OUTPUT

This port is used triggering video signal with external equipment during recording.

VIDEO SIGNAL

SW

OUT 1FIELD

16.67ms

SW

OUT 2FIELD

4ms

SERIES OUTPUT

When the series recording proceeds after setting the series recording to “on”, this port is used to output the control signal to the set which will be recorded continuously after pre-recording set.

5V

0V

250ms

22

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Contents Time Lapse VCR Table of Contents Safety Check After Serving SAFETY&PRECAUTIONSSAFETY&PRECAUTIONS Front Views Function External ViewsRear Views Function AC Power CordAdjustment Procedure Electrical AdjustmentEE Level Video Circuit Adjustment MethodPlayback Y-SIGNAL Output Level Sync TIP Frequency FM Deviation Record Current REC-Y Audio Record Bias Audio Circuit Adjustment MethodNtsc SpecificationsTape Mode Tape Speed Remark Timelapse REC/PB Speed ChartVideo Part REC ModeCircuit Operation X302 IH DLY Audio Part Servo Syscon Part Block DiagramR L R L R L R L Time Lapse Recording MethodPanic Input Alarm InputAlarm Output Terminal PartSeries Output Tape END OUTSW Output Series Input Checking the Primary Circuit Trouble Shooting Flow ChartPower Circuit Checking the Secondary Circuit Troubleshooting Flow ChartSERVO-SYSCON Circuit Noise appears on Screen on the whole Auto-stop during Playback Power CIRCUIT? YES Capstan M/T loading stops REC Mode Cassette is not inserted Power compensation Does not operate Video Circuit EE Mode N.GREC Signal N.G PB-Y Signal N.G PB-C Signal N.G Audio Circuit Troubleshooting of PB ModeTroubleshooting of REC Mode Troubleshooting of EE Mode COM Port Description COM Port Description OUT OSD Data IC Motor Drive BA6209 IC504 Voltage ChartIC Relay A9W-K RL902 IC Relay A9W-K RL901IC Video LA7391A IC301 IC Video SW LA7152 IC303 Transister IC Video AMP NJM2267 IC002Voltage Chart Connection Diagram Circuit DiagramPower Circuit Diagram Syscon Circuit Diagram Video Circuit Diagram Headamp Circuit Diagram OSD Circuit Diagram C Separation Circuit Diagram Audio Circuit Diagram Logic Circuit Diagram Terminal Circuit Diagram PCB Main Components Location Guide on PCB Bottom ViewPCB Union Panel Front ASS’Y DisassemblySET Total ASS’Y Packing ASS’Y DEL DV-K580NZ-T Electrical Parts ListElectrical Parts List SPG T SUB Brake Coil OSC DEO-010BIAS Diode Bridge R205 R413 Mylar Clip Fuse Semi Fixed Diode Zener UZ-5.6BSC PCB Logic AS DV-K580NZ-T SW Tact Diode EG01C Mail G7F00E@web.dwe.co.kr TEL FAX