Casio TK-7500 Sorun Giderme Kılavuzu - Sayfa 17
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Ayrıca Casio TK-7500 için: Servis Kılavuzu (3 sayfalar)
Sayfayı Yazdır
3-4. Clean around IC
1) Rosin is remaining, to the location that
soldered IC.
2) Ethyl alcohol is used, to remove rosin.
Note1 : Be sure that the IC have no bent pins.
A bent pin will make contact for a while, but
after vibration it no longer does.
Note2 : Cleanup does not use tissue paper.
3) Rosin is removed carefully by using
alcohol and cotton applicator.
4) After that around IC becomes clean like
above photograph.
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Trouble shooting ECR V1.01