Sylvania LC200SL8 Service Manual page 10

3.
The flat pack-IC on the CBA is affixed with glue, so
be careful not to break or damage the foil of each
pin or the solder lands under the IC when
removing it.
CBA
\\
Masking
Tape
Hot-air
Pack-lC
Desoldering
Machine
Flat Pack-lC
Fig. S-1-2
With Soldering Iron:
1. Using desoldering braid, remove the solder from
all pins of the flat pack-IC. When you use solder
flux which is applied to all pins of the flat pack-IC,
you can remove it easily. (Fig. S-1-3)
Flat Pack-IC
\
Desoldering Braid
2.
Soldering Iron
Fig. S-1-3
Lift each lead of the flat pack-IC upward one by
one, using a sharp pin or wire to which solder will
not adhere (iron wire). When heating the pins, use
a fine tip soldering iron or a hot air desoldering
machine. (Fig. S-1-4)
Sharp
Fine Til
Soldering Iron
Fig. S-1-4
3. Bottom of the flat pack-IC is fixed with glue to the
CBA; 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). (Fig. S-1-6)
4. Release the flat pack-IC from the CBA using
tweezers. (Fig. S-1-6)
3-2 TVNSN