HP (Hewlett-Packard) LT4700 Flat Panel Television User Manual


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HP High-Definition LCD TV Service Manual 75
Function Key
The buttons do
not work
Check
switches
Check key
board
Check the
k
ey
board cable
Change the
key
board
cable
Replace the main
board
Replace tact switch
Replace
k
ey board
OK
YES
YES
NO
YES
NO
NO
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