With Iron Wire:2. Installation
1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from
all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the
flux which is applied to all pins of the flat pack-IC, BOARD so you can install a replacement flat pack-
you can remove it easily. (Fig. S-1-3)IC more easily.
2. Affix the wire to a workbench or solid mounting 2. The IŽ mark on the flat pack-IC indicates pin 1.
point, as shown in Fig. S-1-5.(See Fig. S-1-7.) Be sure this mark matches the 1
3. While heating the pins using a fine tip soldering on the BOARD when positioning for installation.
iron or hot air blower, pull up the wire as the solder Then presolder the four corners of the flat pack-IC.
melts so as to lift the IC leads from the BOARD (See Fig. S-1-8.)
contact pads as shown in Fig. S-1-5.3. Solder all pins of the flat pack-IC. Be sure that
4. Bottom of the flat pack-IC is fixed with glue to the none of the pins have solder bridges.
BOARD; when removing entire flat pack-IC, first
apply soldering iron to center of the flat pack-IC
and heat up. Then remove (glue will be melted). Example :
(Fig. S-1-6)
5. Release the flat pack-IC from the BOARD using
tweezers. (Fig. S-1-6)
Note: When using a soldering iron, care must be
taken to ensure that the flat pack-IC is not
being held by glue. When the flat pack-IC is
removed from the BOARD, handle it gently
because it may be damaged if force is applied.
Pin 1 of the Flat Pack-IC
is indicated by a " " mark.
Fig. S-1-7
Hot Air Blower
Presolder
or
Iron Wire
Soldering Iron
To Solid
Mounting Point
Fig. S-1-5Flat Pack-IC
BOARD
Fig. S-1-8
Fine Tip
BOARDSoldering Iron
Flat Pack-IC
Tweezers
Fig. S-1-6
1-4-3DVDN_SN |
ACEC
