I just bought a 1992 bally 5000 plus slot machine. i have a techinal background so please let me know. i plug it in and the lights turn on, all 3 fuses good, on the board with the battery on it (what is the board called) the battery has 1.3 VDC, i see 2 LED's on the same board with the battery on it they both light up once and dont come back on. the machine doesnt do anything else the credit lights dont work, no sounds i bought some clearing chips on ebay and a key pad too. the board with the battery has some piggy backed chips on it. Any help please let me know