Just acquired A Firepower, having some interesting problems, I get different issues almost every time I fire it up, this is what I have seen so far on start up, display shows memory loss, try to get it in attract mode, won't go, batteries are good, sometimes LEDs flash once go out, do the switch test, lower one stays on, sometimes LEDs stay on, Sometimes LEDs flash once go out, do the switch test nothing happens, no LED. Have replaced batteries, IC's 12, 13, 16, and 19. Any help would be great, displays have shown various strange things and makes a weird sound that tapers off to silence when first fired up,
Thanks,

Thanks, did all those already,

Thanks, it never starts without memory loss, I will replace the ROM sockets and see what happens, the 40 pin has been done already, so have the connector pins, thanks for your input,

Thanks for all your help so far, now that I have replaced all the ROM sockets my problems have changed, when you first fire the game up the LED's blink once then go off, will not go into attract, push the lower button for self test on MPU board, no LED's come on, checked for waveforms on the CPU, getting activity, I have removed the stock battery holder, checked the voltage on the 5101 and replaced the 5101. I will start again on it tonight, I have a Leons test ROM, a O scope and DVMs at my disposal, thanks again, I can't wait to get this game running again,