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6.3 Internal PC has No signal
6.4 No touch
The built-in PC can not start;
Screen shows no signal
Is it on OPS Source?
YES
PC module power
light
YES
Replace the OPS adapter
board
Replace the PC module
Dark
NO
Switch to the OPS Source
NO
PC module Hard disk
light
Try to replace PC module
Light
Dark
Connect the PC Module
HDMI-output with the TV
HDMI-input
Replace PC module
HDMI signal
Light
Replace internal HDMI cable
Try to check the hard disk
and memory is well ,or
replace the PC module
No HDMI signal
Can not be solved
Insert PC module , and
then check ops adapter
board LED light
Light
Replace OPS power board
Replace the OPS adapter
board
NO
Dark
Replace OPS adapter board
NO
Replace TV main board
NO
Replace the Relay board
NO
Replace TV main board
NO
No touch
Only no touch on
Internal and External PC
Replace TV main board
YES
Re-plug the touch
cable or replace it
NO
Only no touch on the Internal PC
Replace TV main board
No touch on Android
channel
Whether the touch cable
connected well with touch
frame ? The length of
touch cable within 3m is
recommended
YES
Replace PC module to see if it
is OK?
Check the connection
of internal touch cable
YES
NO
NO
Check that whether
the internal touch
cable connect well
Replace touch frame adapter
board
Replace TV mainboard
Re-plug the cable or
replace it
NO
YES
NO
YES
Replace OPS adapter board
Replace touch frame
No touch on all sources(OPS,
Android, HDMI etc.)
Test with the touch
frame diagnose
software on PC
Replace touch frame
YES
NG
Check the connection
of internal touch cable
Re-plug the cable or
replace it
NO
Can not get connected
NO
Check the connection
of internal touch cable
NO
YES
Replace TV main board
NO
YES
NO
