Sega Mega Drive - Troubleshooting Chart

Troubleshooting Chart
Problem
No picture on screen
Screen flickers
or no color
No game sound
Before requesting repair, check the following items:
e Is the Console turned on?
e Is the AC adaptor properly plugged in?
e Is the TV turned on?
e Is there power to the wall socket?
e Is the Cartridge properly inserted?
e Does the channel switch on the back of the
Console agree with the TV channel being used?
(New Zealand model)
e Review the connections between the Console and
Peritel terminals. (French model)
e Have you confused the RF Jack with the Video or
Power-in Adaptor Jacks? (Except French model)
e Review the connections between the antenna cable,
Console and TV terminals. (Except French model)
e Is the RF switch set to "RF"? (Except French model)
e Are the antenna cables properly connected?
(Except French model)
e Is the TV channel fine tune adjustment properly set?
(Except French model)
e Are the TV color controls properly set?
e Is the Cartridge properly inserted?
e Is the TV volume too low or off?
e Have the connection cables come loose or become
disconnected?
Picture on TV screen
is not steady
Fringes appear on TV
during a game
e Adjust the vertical and horizontal hold controls on
your TV.
e Adjust the manual fine tuning controls on the
TV.
Fringes appear on TV
during a broadcast
e Is the antenna cable properly connected?
e Make sure that you have turned off the power on the
Console.
e Is the RF switch set to "ANT"? (Except French model)
e Is the Peritel Cable still connected? (French model)
No power light
e Is there power to the wall socket?
e Is the AC adaptor properly plugged in?