Casio DC-7500A Servicehandleiding en onderdelenlijst - Pagina 6

Blader online of download pdf Servicehandleiding en onderdelenlijst voor {categorie_naam} Casio DC-7500A. Casio DC-7500A 11 pagina's.

PCB VIEW

B1+

B2+

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

SYMPTOM

No power

No display at all or wrong display

BZ1

BZ2

IC3

IC2

IC4

IC1

CAUSE

Battery shortage

Poor soldering of the power

supply circuit

Defective heat seal

Defective LCD

— 5 —

LSI

Replace batteries

Resolder

Replace it

SOLUTION