Electric System QUANTUM TIC
12-22 10/04
2.3.1 Replacement of EPROM
Take the PSD (2) out of the frame (5) using a special PLCC IC
withdrawing tool (4).
The PLCC IC withdrawing tool (4) is available at an electronics
specialist (e.g.: Conrad Electronic, order no.: 14 94 70-44).
Insert metal points of the extraction tool (4) into the frame corners
(A and B). Carefully pres the withdrawing tool (4) together using your
fingers. The PSD (2) can now be pulled out of the frame (5).
Important! The PSD (2) can only be inserted into the frame (5) in one position.
The bevelled corner (E) of the EPROM must be accurately placed upon
the bevelled corner (E) of the frame.
Avoid tilting when inserting the PSD since otherwise contacts may be
damaged.
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