Casio TK-7000 문제 해결 매뉴얼 - 페이지 3

{카테고리_이름} Casio TK-7000에 대한 문제 해결 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Casio TK-7000 19 페이지.
Casio TK-7000에 대해서도 마찬가지입니다: 운영 매뉴얼 (19 페이지)

Special error message : Fatal error code

FErr20

Unfixed address is selected and unsettled error is happened.

FErr26

Abruption of program working. The interruption of abnormal condition

( Watch dog ) is happened.

FErr27

Stack pointer address become the except RAM address area.

Note : If this error is happened, the Flash ROM program and data is damaged.

Therefore, it is necessary to down load IPL data for ECR from a P/C or a RAM PACK.

For the error FErr20 and 27, it may occur when the local software (IPL) is developed in case the

developing time. Normally, this error is never happened in the standard IPL data.

For the error FErr26, it may occur when the hard ware has some problem like a poor soldering

at the Flash ROM pins or a spillage on the circuit of the address and data bus line.

In this case, please clean the PCB and try to re-solder the Flash ROM pins and try to down load

a IPL data.

When the error FErr26 is showed on the display at the machine, please resolder the Flash ROM 1

pins as showing in the figure.

Flash ROM Re-soldering

Re-solder the all lines.

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Trouble shooting ECR V1.01