Panasonic CT-30WX54J Service Manual page 7

3. Remove the solder from all the pads of the Flat IC by using a de
solder braid
4. Position the new Flat IC in place (apply the pins of the Flat IC to
the soldering pads where the pins need to be soldered). Properly
determine the positions of the soldering pads and pins by
correctly aligning the polarity symbol
5. Solder all pins to the soldering pads using a fine tipped soldering
iron
6. Check with a magnifier for solder bridge between the pins or for
dry joint between pins and soldering pads. To remove a solder
bridge, use a de solder braid as shown in the figure below
7