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Remote control does not work
Remote
does not work
Check whether keys on
the front board work or
not.
Check the front board
whether P1 of U4 has
signal when pressing key
on the remote
Replace U1.
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control
Go
Yes
Yes
Yes
4-3
No
Replace U2 on the power board
No
Replace U4 on the power board
Trouble Shooting Chart
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