Commodore PET User Manual page 57

44
Figure 2-13. Memory Deviee Uneonneeted
6. The third row of larger rectangles contains ROM devices. Press them
down also to be sure that they are firmly seated.
7. The keyboard cable is connected just to the left of the ROMs. Press
down along this connector to be sure that it is firmly in place.
Optionally unplug the connector. lifting straight up, and plug it back in
securely, pushing straight down.
8. Behind the keyboard cable is the video cable. Press firrnly down on it to
make sure it is firmly seated.
9. In front and to the left of the keyboard connector is the power supply
connector. Press down on it to be sure it is firmly connected.
10. Behind and to the left of the power cable is the cassette recorder cable,
connected horizontally on the side of the large green board. Push in on
the cable to connect it firmly in place.
11. If the inside is dusty, vou can vacuum carefully to remove foreign parti-
cles. Be very careful not to bend any of the components on the board.
Preferably c1ean with a squeezable bulb brush cleaner or a can of pres-
surized air for dusting. (These two items are available from photo-
graphie supply houses.)
12. Unlatch the retaining rad and put it back into its holder, close the
cover, plug the PET in, and turn the power on. If the trouble was due to
loose connections, the problem should now be cleared up.