Casio SF-4300B Spezifikationen PDF herunterladen (Seite 17)

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7. TROUBLESHOOTING

< No power on >

Does display appear by pressing

Reset button?

Does it sound by key enter?

Do batteries make positive contact

with the battery springs?

Adjust contrast

Replace batteries

Check other function

Refer to <No/Erratic display>

Adjust contact and clean battery

spring

Is contrast adjustment OK?

Is power of batteries enough?

Is 3-pin of S-81253 (REG1) 5.3 [V]?

Are capacitor C8, C9, C10, C11,C12

OK?

Replace REGT1

Replace C8, C9, C10, C11,C12

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Casio SF-4300B Spezifikationen Seite 17