Grbgemen
Active member
Got a AD pcb that is giving to high beeps and two low beeps. Manual says R3 & M3 are bad. Looks like R3 was replaced or botched desoldering job at some point. Managed to get it out and install a socket. Few jumpers were needed as a few pads were already burnt off. Socketed M3 also.
I have a bunch of 2114 RAM chips from spare Ms. Pac boards and other misc pcbs. I have tried them all and still stuck with the two high and two low beeps. A few times i got three highs and one low which indicates that just R3 is bad but after swapping it out, it will go back to two high and two low.
I cant imagine that all of these 2114 rams that I have are bad but I guess it is possible. Is there something else that can cause false RAM failures?
I have triple checked my work and seems okay.
I have a bunch of 2114 RAM chips from spare Ms. Pac boards and other misc pcbs. I have tried them all and still stuck with the two high and two low beeps. A few times i got three highs and one low which indicates that just R3 is bad but after swapping it out, it will go back to two high and two low.
I cant imagine that all of these 2114 rams that I have are bad but I guess it is possible. Is there something else that can cause false RAM failures?
I have triple checked my work and seems okay.
