Daewoo DV-K580NZ-T service manual Terminal Part, Alarm Input, Alarm Output, Panic Input

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CIRCUIT OPERATION

3-3) TERMINAL PART

ALARM INPUT

Connect DOOR SW&SENSOR etc and this port will be used for emergency recording by using open/close status.

N/O(NORMALY OPEN)

5V

500ms

0V

N/C(NORMALY CLOSED)

5V

500ms

0V

ALARM OUTPUT

This port is always triggered during ALARM REC, which is used to inform the outside that time lapse VCR is now perform- ing Alarm Recording.

5V

0V

Minimum 2mins.

HIGH

Minimum 2mins.

LOW

uTrigger Time will be the set time on MENU, it will be approximately 2 minutes at least.

PANIC INPUT

This is the first priority REC, then operation is similar as Alarm Rec. But if Panic Recording is triggered, the set stops all kinds of Recording then starts recording with 2H(SP) mode at the end of tape.

5V

0V

500ms

N/CLOSED

500ms

N/OPEN

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Contents Time Lapse VCR Table of Contents SAFETY&PRECAUTIONS Safety Check After ServingSAFETY&PRECAUTIONS External Views Front Views FunctionAC Power Cord Rear Views FunctionElectrical Adjustment Adjustment ProcedureVideo Circuit Adjustment Method EE LevelPlayback Y-SIGNAL Output Level Sync TIP Frequency FM Deviation Record Current REC-Y Audio Circuit Adjustment Method Audio Record BiasSpecifications NtscTimelapse REC/PB Speed Chart Tape Mode Tape Speed RemarkCircuit Operation REC ModeVideo Part X302 IH DLY Audio Part Block Diagram Servo Syscon PartTime Lapse Recording Method R L R L R L R LTerminal Part Alarm InputAlarm Output Panic InputSW Output Tape END OUTSeries Output Series Input Power Circuit Trouble Shooting Flow ChartChecking the Primary Circuit Troubleshooting Flow Chart Checking the Secondary CircuitSERVO-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 EE Mode N.G Video CircuitREC Signal N.G PB-Y Signal N.G PB-C Signal N.G Troubleshooting of PB Mode Audio CircuitTroubleshooting of REC Mode Troubleshooting of EE Mode COM Port Description COM Port Description OUT OSD Data Voltage Chart IC Motor Drive BA6209 IC504IC Relay A9W-K RL901 IC Relay A9W-K RL902IC Video LA7391A IC301 IC Video SW LA7152 IC303 IC Video AMP NJM2267 IC002 TransisterVoltage Chart Circuit Diagram Connection 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 Components Location Guide on PCB Bottom View PCB MainPCB Union Disassembly Panel Front ASS’YSET Total ASS’Y Packing ASS’Y Electrical Parts List DEL DV-K580NZ-TElectrical 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