REMOVAL OF 54-17243-01 XTC
1. Disconnect the 17-01498-01 ribbon cable at J3 which is a 14-pin
connector cable leading to the H7206 power and logic unit. See
1
in
Figure 2–16.
2. Disconnect the 17-01567-01 ribbon cable at J5, which is a 10-pin
connector cable leading to the console port. See
2
.
3. Disconnect the 17-01568-02 ribbon cable at J4, which is a 20-pin
connector cable leading to the XMI. See
3
.
4. Disconnect the 17-01816-01 ribbon cable at J2, which leads to the
control panel on the system control assembly. See
4
.
5. Disconnect the 12-19245-02 lead with a red plug end at the J1
connector; the cable leads to the TOY clock battery in the system control
assembly. See
5
.
6. Use a large Phillips screwdriver to remove the four #6-32 screws located
on each corner of the XTC power sequencer. See
6
.
7. Pull the XTC toward you and remove.
INSTALLATION OF 20-29176-02 XTC
• Reverse the steps in the Removal section above. When positioning the
module, note that J3 is in the upper lefthand corner.
XMI-1 to XMI-2 Conversion
2–27
