20
7.3.
List of possible cause of failure by function
㩷
Item No.
Function
P.C.B./Module
Bluetooth P.C.B./NFC P.C.B./Main P.C.B.
㩷
㩷
㪈㩷
Bluetooth
㩷
Bluetooth P.C.B./Main P.C.B.
IR Sensor P.C.B.(Components)/Panel P.C.B.(Components)/Main P.C.B.
㪉㩷
NFC
㩷
㪊㩷
USB
㩷
USB P.C.B.(Components)/Main P.C.B.
㪋㩷
CD
Tuner
Remote control
㩷
CD Interface P.C.B.(Components)/Main P.C.B.
㪌㩷
㩷
Tuner P.C.B.(Components)/Main P.C.B.
㪍㩷
㩷
㪎㩷
Bass/Treble/Volume control
㩷
Panel P.C.B.(Components)/Main P.C.B.
㪏㩷
FL Display
㩷
Panel P.C.B.(Components)/Main P.C.B.
㪐㩷
Switches
㩷
Panel P.C.B.(Components)/Main P.C.B.
㪈㪇㩷
Speaker
㩷
Main P.C.B.
㩷
The P.C.B. that could be speculated as the cause of failure by a function
Table6