Daewoo DV-K580NZ-T service manual Safety&Precautions

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SAFETY&PRECAUTIONS

4.Leakage current test

Confirm specified or lower leakage current between B(earth

ground, power cord plug prongs) and externally exposed accessi- ble parts (RF terminals, antenna terminals, video and audio input output terminals, microphone jacks, earphone jacks, etc.)

Measuring method:(Power ON) Insert load Z between B(earth ground, power cord plug prongs) and exposed accessible parts. Use on AC voltmeter to measure across both terminals of load Z. See figure2 and following table.

Leakage current ratings for selected are as

AC Line Voltage

Region

Load Z

Leakage Current(i)

Clearance Distance(d),(d’)

100V

Japan

1kΩ

i*1mArms

Exposed accessible parts

 

 

 

 

110 to 130V

USA &Canada

15kμF

i* 0.5mArms

Exposed accessible parts

 

 

1kΩ

 

 

 

 

 

i*0.7mA peak

Antenna earth terminals

 

 

2kΩ

i*2mAdc

110 to 130V

Europe

 

 

 

200 to 240V

Australia

 

i*0.7mA peak

 

 

 

 

Other terminals

 

 

50kΩ

i*1mAdc

 

 

 

 

 

 

 

NOTE

This table is unofficial and for reference only. Be sure to confirm the precise values for your particular country and locality.

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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 LAlarm Input Alarm OutputTerminal Part 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