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25. TROUBLESHOOTING
First see if the data communication system is faulty.
Depress [18] (TUNER).
Yes
No
Y
Faulty display circuit.
Data system is OK.
RST
eek
SCK
Can be deemed to
SI
L Can be deemed to
Sl
be normal.
sO
be normal.
SO
DATA
cs
111
Reset microcomputers by depressing CLEAR.
Buzzer works?
Disconnect FX-T8 and depress CLEAR.
Depress [4] (OPEN).
Buzzer works?
v
Qeaee Go
tear
el
Fauity PD4050B or
PD4046B(FX-T8) or its
PD4022B or its peripherel
peripheral components.
components.
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