DISASSEMBLY INSTRUCTIONS
B3-2
19DV616DG/22DV616DG
INSTALLATION
4. When bridge-soldering between terminals and/or the
soldering amount are not enough, resolder using a
1. Take care of the polarity of new IC and then install the
Thintip Soldering Iron.
(Refer to Fig. 3-8.)
new IC fitting on the printed circuit pattern. Then solder
each lead on the diagonal positions of IC temporarily.
(Refer to Fig. 3-5.)
IC
Thin-tip Soldering Iron
5. Finally, confirm the soldering status on four sides of the
IC using a magnifying glass.
Confirm that no abnormality is found on the soldering
position and installation position of the parts around the
Fig. 3-8
Soldering Iron
position and installation position of the parts around the
IC. If some abnormality is found, correct by resoldering.
NOTE
2. Supply the solder from the upper position of IC leads
When the IC leads are bent during soldering and/or
sliding to the lower position of the IC leads.
repairing, do not repair the bending of leads. If the
(Refer to Fig. 3-6.)
bending of leads are repaired, the pattern may be
damaged. So, always be sure to replace the IC in this
Fig. 3-5
Solder temporarily
Solder temporarily
damaged. So, always be sure to replace the IC in this
case.
Soldering Iron
Solder
3. Absorb the solder left on the lead using the Braided
Shield Wire.
(Refer to Fig. 3-7.)
Fig. 3-6
IC
Supply soldering
from upper position
to lower position
NOTE
Do not absorb the solder to excess.
Soldering Iron
Fig. 3-7
IC
Braided Shield Wire
B3-2
19DV616DG/22DV616DG
