34
3.4 DigitalOut(COAX)doesntoutput.
Checksoldering.
・
C868R868R866211R862R864R863
・
R869FB861
Correctionofsoldering.
CheckthePOWERUNIT.
Checktheoutputsignal.
・
FB861 Checkthedigitalsignalfor3Vpp.
ReplacetheMAINUNIT.
ReplaceC868R868R866211R862R864
R863R869.
3..Etherisnotconnection.
ChecktheinputsignalforU901SMSC8710.
・
Checkthepowersupplyvoltage.
ReplacetheMAINUNIT.
CheckthePOWERUNIT.
N.G.
O..
ChecktheoutputsignalforU901SMSC8710.
ReplacetheMAINUNIT.
N.G.
ChecksolderingforD23P900.
O..
N.G.
N.G.
O..
O..