Apple 145B, 170 manual Peripherals

TroubleshootingSymptom Charts/Peripherals (Continued) - 20

Peripherals (Continued)

Cursor moves, but	1	Check interconnect board, daughterboard, and motherboard
clicking trackball	2	connections.
button has no effect		Replace trackball.
	3	Replace keyboard.
	4	Replace interconnect board.
	5	Replace daughterboard.
	6	Replace motherboard.
Cursor does not move	1	Check mouse connection to ADB port.
when using mouse	2	Press reset switch.
	3	Clean mouse ball and inside mouse.
	4	Replace mouse.
	5	Replace motherboard.