Casio TK-7500 문제 해결 매뉴얼 - 페이지 14

{카테고리_이름} Casio TK-7500에 대한 문제 해결 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Casio TK-7500 19 페이지. Electronic cash register
Casio TK-7500에 대해서도 마찬가지입니다: 서비스 매뉴얼 (3 페이지)

페이지 인쇄

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.

- 14 -

Trouble shooting ECR V1.01