Daewoo DVST8S4 Series, Service Manual

Page: 4 / 37

3
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 Cur-
rent(
i
)
Clearance Distance(d),(d’)
100V Japan
1k
Ω
i < 1 mArms Exposed accessible parts
110 to 130V USA &Canada 15kmF
1k
Ω
i < 0.5mArms
Exposed accessible parts
110 to 130V
200 to 240V Europe
Australia
2k
Ω
i
< 0.7mA peak
i
< 2mAdc
Antenna earth terminals
50k
Ω
i < 0.7mA peak
i < 1mAdc
Other terminals
This table is unofficial and for reference only. Be sure to confirm the precise values
for your particular country and locality.
NOTE