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Acer AT4220A Service Manual page 60

At4220a service guide
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Remote Control No Function
C
Remote Control have
Change Battery
battery?
Check IR/B cable or
IR Board Cable plug in
Replacement IR/B
Cable
Press Remote Menu Key
Replacement IR/B
OSD can Display?
Press Remote Menu Key
Replacement M/B
OSD can Display?
END
53
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