Having to pry up on the socket means that it It is very important to insure that each pin is completely The board, being double sided, has solder connections onīoth component and foil sides. Is mounted on the Digital A unit and is designated as IC2.
Removing the socket requires good soldering skills. In addition, units with a serial number of 909XXXX It should be noted that units between serial numbers 701XXXX to 811XXXX and from 903XXXX to 909XXXX are not likely to have this failure. If it is found to be intermittent, remove the socketĪnd solder the ROM directly to the board.
The socket should be checked to insure that it makes good electrical contact with each pin of the ROM. Intermittent control or display problems that are difficult to correct with the reset procedure may be caused by a faulty ROM socket.
