Casio PX-780 - IrDA, 8-pin Interface, and Bluetooth Issues

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4-15. IrDA NG
Check if the inspection
tools operate normally
Yes
No
MAIN PCB is defective.
PC setting is incorrect.
HA-B61IO is defective.
4-16. 8pin I/F NG
Check the connection
of CN13.
SIF FPC is defective.
Connector is loosely
connected.
MAIN PCB is defective.
OK
NG
OK
No
Replace SIP FPC,
check again.
4-17. Bluetooth NG
MAIN PCB is defective.
Check the connection
of CN2.
Connector is loosely
connected.
OK
NG