(4) Bottom of the flat pack-IC is fixed with glue to the2. Installation
CBA; when removing entire flat pack-IC, first apply
(1) Using desoldering braid, remove the solder from
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)the foil of each pin of the flat pack-IC on the CBA
so you can install a replacement flat pack-IC more
(5) Release the flat pack-IC from the CBA using twee-
easily.
zers. (Fig. S-1-6)
(2) The ?I? mark on the flat pack-IC indicates pin 1.
Note:(See Fig. S-1-7.) Be sure this mark matches the 1
When using a soldering iron, care must be takenon the PCB when positioning for installation. Then
to ensure that the flat pack-IC is not being held bypresolder the four corners of the flat pack-IC. (See
glue. When the flat pack-IC is removed from theFig. S-1-8.)
CBA, handle it gently because it may be damaged
(3) Solder all pins of the flat pack-IC. Be sure that none
if force is applied.of the pins have solder bridges.
Example :
Hot Air Blower
or
Iron Wire
Pin 1 of the Flat Pack-IC
is indicated by a " " mark.
Fig. S-1-7
Soldering Iron
To Solid
Mounting PointPresolder
Fig. S-1-5
Fine Tip
CBASoldering Iron
Flat Pack-IC
CBA
Fig. S-1-8
Flat Pack-IC
Tweezers
Fig. S-1-6
1-4-3DVD_NOTE |
ACEC
