Key Pad - HP 200 Service Manual

LEDs
led[1]
led[2]
led[3]

Key Pad

led[2]
Switch[1]
Switch[5]
led[4]
led[5]
led[6]
Front-Panel LEDs
led[3]
led[6]
Switch[2] Switch[3]
Switch[6] Switch[7]
Front-Panel Key Pad
led[7]
led[8]
led[9]
led[7]
key[0]
Switch[4]
key[1]
Switch[8]