User's Manual

2.1.4 Fastening the IC Socket Connector

CAUTION

1. Use the screwdriver provided for tightening screws.

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 a PLQP0144KA-A package on the user

system with the four screws (M2

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.