Golf, shanghai,etc., come on screen but control pad does nothing
The most common problem for Sega controllers not working is the controller itself. With the controller laying on a table with the buttons down take the back off with a small phillips screwdriver. Carefully lift the circuit board out trying not to disturb the buttons as they will fall right out. Turn the circuit board over and remove any of the soft rubbery pieces that may be stuck to it. You will see a set of contacts for each of the buttons. Clean these contact with a pencil eraser. Put it all back together and it should work like a charm for the next 20 years.
You should definately check the jacks for your console, that includes the controller's male and the console's female jack. If you have to, go ahead and wipe them clean with some alcohol, letting some drip in and let them air out. Its possible that some stuff has dripped inside the console's power or reset switch that caused problems with your Sega. You could try and go ahead taking the console apart, checking the terminals and stuff inside for mositure. Also, you shoudl try a new contol pad, as it definately didn't win any awards for its reliabitly.
The only way possible to see if the touch
pads are working is to test the voltage of the control pads when it contacts.
The input of the Microprocessor should be checked for the pad control impulse
to come in. If there is no trigger voltage to the mP this can be the control
The mP must be checked for the working voltage and also the frequency oscillation at the crystal leads. If so the mP is working with a suspected control pads which are not able to set the program or timing.
There is no way but to remove the sticker pad and replace, One difficult way to have a chance is to remove the carbon sticker pads and check continuity , You can use a carbon pen to line the tracks so that the multi-meter reads a continuity. With this you can have a temporary fix
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