APPENDIX
B
IC REMOVAL
B-1 Necessary Equipment
(1)
Solder Iron must be small (about
25
it'):
the tip should
be
thin.
(2)
Solder
Usc solder containing resin.
(3)
Solder Remover
(4)
IC
puller
or cutting pliers (for board)
screwdriver (minus) (for socket)
8-2
ICs on Printed Circuit Board
(1)
IC
removal from circuit boards
a) Turn the board upside down. Remove rhe solder from
IC
pin holes with
solder remover.
b)
Gently pull the IC with
a
puller which fits the width
and
the number of pins.
If
you do not have
3
puller. pull carefully: be sure not to bend
the
pins with
the pliers.
(2)
Insertion
a)
Insert the
1C
pins in their holes. turn board upside down.
Use an electrically
conductive mat
under the PC-8201 when working on it.
b)
Put
a little solder on the iron.
C)
Put the iron closely and heat.
At once the solder melts. It is sucked in
through the hole. and
if
it
extends to the point of connecting, remove the iron.
-
NOTE
-
Do not allow excess spolder to pile up.
The excess solder could cause electrical
problsn~s.
AI'X-B-I
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