Casio SF-6300 User Manual download pdf (Page 13)

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TROUBLESHOOTING

Before the following solutions will be done, save data if possible.

SYMTOM

No Power

No display at all or wrong

display

No key input at all

SOLUTION

Replace batteries

Resolder

Replace it

Resolder

Replace it

CAUSE

Battery shortage

Poor soldering of the power supply

circuit

Defective LSI-1 or LSI-2

Defective Capacitor C8, C12, C13, or

C14

Defective TAB LSI

Defective heat seal

Defective LCD

Poor soldering LSI-1 or LSI2

Defective LSI-1 or LSI-2

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Casio SF-6300 User Manual Page 13