Table of Contents
Advertisement
a.
b.
3. For LCD keys only. If Steps 1 and 2 above have been performed
and the key is still not responding, the Main PCB is defective.
Replace the Main PCB. Refer to the procedures in Chapter 5,
Section 4.3.
CADJET 2
For the LCD keys: If the key still does not beep, remove the
Keypad Top Assembly (see Chapter 5, Section 6.1 for the
procedure) and press the inoperative key several times.
Check to see if the plastic portion of the key is pushing down
the metal button on the Keypad PCB. If necessary, remove
the three screws which hold the Keypad PCB to the Keypad
Top and, with the power on, press the metal button on the
Keypad PCB. Check to see if the plotter responds. If the
plotter does not respond, replace the Keypad PCB.
For the LED keys: If the key still does not beep, remove the
Right Cover Assembly (see Chapter 5, Section 4.1 for the
procedure) and, with the power on, press the metal button on
the MPCB several times. If the plotter does not respond,
replace the MPCB Assembly. See Chapter 5, Section 4.3.
Troubleshooting
4-63
Advertisement
Table of Contents
