Bluetooth Communication Is Impossible - Sharp TQ-GX30E Service Manual

19. Bluetooth communication is impossible.

A connection cannot be established via Bluetooth.
Is 3 V supplied from IC505 pin 5?
Is R514 (RESET signal side) always at "H"?
Is waveform periodically sent from R516 (UARTTX signal
side)?
Is waveform periodically sent from R547 (UARTRX signal
side)?
IC506 is defective.
Handset can be connected to Bluetooth headset, but sound is
not heard.
Is waveform of PCMCLK signal (approx. 256 kHz clock) sent
from R188?
Is waveform of 8 kHz periodically sent from R550 (PCMSYNC
signal side)?
Is waveform of PCMIN signal periodically sent from TP508?
Is waveform periodically sent from R515 (PCMOUT signal
side)?
IC506 is defective.
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CONFIDENTIAL
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
manuals search engine
NO
IC505 is defective.
NO
IC106 is defective.
IC506 is defective.
NO
IC106 is defective.
NO
IC106 is defective.
NO
IC106 is defective.
NO
NO
IC506 is defective.
IC106 is defective.
NO
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