DISASSEMBLY INSTRUCTIONS
INSTALLATION4. When bridge-soldering between terminals and/or the
soldering amount are not enough, resolder using a Thin-
1. Take care of the polarity of new IC and then install thetip 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.
IC
(Refer to Fig. 3-5.)
Thin-tip Soldering Iron
Soldering Iron
Fig. 3-8
5. Finally, confirm the soldering status on four sides of the
IC using a magnifying glass.
Solder temporarilySolder temporarilyConfirm that no abnormality is found on the soldering
position and installation position of the parts around the
IC. If some abnormality is found, correct by resoldering.
Fig. 3-5
NOTE
2. Supply the solder from the upper position of IC leadsWhen the IC leads are bent during soldering and/or
repairing, do not repair the bending of leads. If the
sliding to the lower position of the IC leads.
bending of leads are repaired, the pattern may be
(Refer to Fig. 3-6.)
damaged. So, be always sure to replace the IC in this
case.
SolderSoldering Iron
ICSupply soldering
from upper position
to lower position
Fig. 3-6
3. Absorb the solder left on the lead using the Braided
Shield Wire. (Refer to Fig. 3-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Braided Shield Wire
Fig. 3-7
B3-2 |
ACEC
