Casio TK-7500 Sorun Giderme Kılavuzu - Sayfa 14

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Sayfayı Yazdır

1. Trouble Shooting Procedures

3. The example of repair

3-1. How to Remove IC

1) Warm IC by hotblow.

2) Warm all pins of IC generally.

3) Sometimes check condition

of IC with tweezers.

4) If solder gradually will melt, tweezers

is inserted little by little between IC

and P.C.B.

5) IC clamps the location where there

is not pin with tweezers.

6) Remove IC slowly, while confirming

whether solder is melting.

7) Complete.

Note : Please handle with care to re-

move ICs. Because, there are possibil-

ity that P.C.B breaks and also some pins

of IC bends, when remove IC forcibly.

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Trouble shooting ECR V1.01