User System Interface Board User's Manual

9
5.1.2 Installing Cable Head
CAUTION
Check the location of pin 1 before inserting.
Align pin 1 on the IC socket for an FP-144F package on the user system with pin 1 on the user
system interface board, and insert the user system interface board into the IC socket on the user
system, as shown in figure 8.
5.1.3 Fastening Cable Head
CAUTION
1. Use a Phillip-type screwdriver whose head matches the
screw head.
2. The tightening torque must be 0.054 N•m or less.
If the applied torque cannot be accurately measured,
stop tightening when the force required to turn the screw
becomes significantly greater than that needed when first
tightening. If a screw is tightened too much, the screw
head may break or an IC socket contact error may be
caused by a crack in the IC socket solder.
3. If the emulator does not operate correctly, cracks might
have occurred in the solder. Check conduction with
a tester and re-solder the IC socket if necessary.
Fasten the user system interface board to the IC socket for an FP-144F package on the user system
with the four screws (M2.0
x
10 mm) provided. Each screw should be tightened a little at a time,
alternating between screws on opposing corners. Take special care, such as manually securing the
IC socket soldered area, to prevent the soldered IC socket from being damaged by overtightening
the screws or twisting the components.