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Troubleshooting
3-2-3 No Field Signal and OSD (Continued)
3-6
A
O
Does the video waveform output
of EI1 pin2 ?
O
Does the video waveform input
of OI1 pin13 ?
O
Does the
communication
between OT1 pin 2,3,6,7 & MI1
perform normally ?
O
Does the clock of OI1 pin 20
perform input normally?
O
Does the clock of OI1 pin 4
perform input normally?
O
Does the video waveform output
of OI1 pin15 ?
O
Check action of OQ1,
OQ2, OQ3.
X
Check circuit of EI1 and short
Check connection condition
X
of OI1,EI1 and short.
X
Check connection condition
of OI1, MI1 and short.
X
Check OI2,OI3 and short.
X
Check circuit of OI2,OI3
and connection condition
X
Check circuit of OI1
and short
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