Regional TV Systems and Power Requirements
| Country
|
Power (V)
|
Frequency (MHz)
|
TV System
|
| Argentina
|
220V
|
50MHz
|
PAL
|
| Australia
|
240/250V
|
50Mhz
|
PAL
|
| Austria
|
220
|
50Mhz
|
PAL
|
| Belgium
|
220 /230
|
50Mhz
|
PAL
|
| Brazil
|
110/127/220
|
50Mhz
|
PAL
|
| Canada
|
120
|
50Mhz
|
NTSC
|
| Canary
|
127/220
|
50Mhz
|
PAL
|
| China
|
220
|
50Mhz
|
PAL
|
| Chile
|
220
|
50Mhz
|
NTSC
|
| Czechoslovakia
|
220
|
50Mhz
|
SECAM
|
| Denmark
|
220
|
50Mhz
|
PAL
|
| Finland
|
220
|
50Mhz
|
PAL
|
| France
|
127 /220
|
60MHz
|
SECAM
|
| Germany
|
220
|
50Mhz
|
PAL
|
| Greece
|
220
|
50Mhz
|
SECAM
|
| Hong Kong
|
200
|
50Mhz
|
PAL
|
| India
|
230/240
|
50Mhz
|
PAL
|
| Indonesia
|
127/220
|
50Mhz
|
PAL
|
| Iraq
|
220
|
50Mhz
|
SECAM
|
| Iran
|
220
|
50Mhz
|
SECAM
|
| Italy
|
220
|
50Mhz
|
PAL
|
| Japan
|
100
|
50/60MHz
|
NTSC
|
| Kenya
|
240
|
50Mhz
|
PAL
|
| Malaysia
|
240
|
50Mhz
|
PAL
|
| Mexico
|
120 /220
|
60MHz
|
NTSC
|
| Netherlands
|
220
|
50Mhz
|
PAL
|
| New Zealand
|
230 /240
|
50Mhz
|
PAL
|
| Niger
|
230
|
50Mhz
|
PAL
|
| North Korea
|
220
|
60MHz
|
PAL
|
| Norway
|
220
|
50Mhz
|
PAL
|
| Pakistan
|
230
|
50Mhz
|
PAL
|
| Peru
|
220
|
60MHz
|
NTSC
|
| Philippines
|
230
|
60MHz
|
NTSC
|
| Poland
|
220
|
50Mhz
|
SECAM
|
| Portugal
|
220
|
50Mhz
|
PAL
|
| Saudi Arabia
|
127/220
|
50Mhz
|
PAL/SECAM
|
| South Korea
|
100/220
|
60MHz
|
NTSC
|
| South Africa
|
100 /220
|
50Mhz
|
PAL
|
| Singapore
|
230
|
50Mhz
|
PAL
|
| Switzerland
|
220
|
50Mhz
|
PAL
|
| Sweden
|
220
|
50Mhz
|
PAL
|
| Spain
|
127 /220
|
50Mhz
|
PAL
|
| Taiwan
|
110
|
60MHz
|
NTSC
|
| Thailand
|
220
|
50
|
PAL
|
| Turkey
|
220
|
50
|
PAL
|
| U.K.
|
240
|
50
|
PAL
|
| U.S.A.
|
120
|
60
|
NTSC
|
| Yugoslavia
|
220
|
50
|
PAL
|
OK, so you've trawled the local car boot for a 10V power supply for
your Megadrive v1 but it doesn't work? Remember, the transformer may
be positive or negatively poled depending on how the console is wired.
There's usually a picture on the back of the transformer like this:
The UK Megadrive version 1 console, for example, has negative polarity
(MDII has positive polarity).