AOC LE32M3571/91, Руководство по обслуживанию

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7. AV (video) without picture
YES NO
8. HDMI without picture
YES NO
Check whether the input interface of AV is connected (the related wires
and sockets are connected by color, yellow is the video signal, red and
blue are the audio signals), the menu source selection and the signal of
the signal source are normal
check whether the signal source is
normal, determine the TV is bad,
check whether the Yellow socket is
bad, whether the input circuit is
bad, if not bad, replace the main
chip
The signal source is in normal or not, other source wire
connected correct or not, AV cable is in normal or not, if
can't confirm the signal source is not bad, replace the
signal source or transfer to others to test the signal
without problem
Check the HDMI input interface and menu
source selection and signal source signal is
normal, HDMI connection is bad or not
The source menu, the source
selection and the signal of the
source are normal, replace
HDMI cable
Not equipment and HDMI cable is
bad, confirmed as TV HDMI have no
output or poor contact, HDMI
without output, replace the main chip,
such as HDMI socket bad, replace the
same specifications of HDMI socket
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