Hitachi 42HDF52 - 42" Plasma TV, Service Manual

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NTSC TV source no signal
Check if the TV cable has
been well connected to the
PDP?
Yes
No
Check if the “Channel
Search” function has been
done?
Execute the “Channel
Search” function.
No
Yes
Check if the Assembly
PCB-Video has been well
connected?
No
Yes
Change the NTSC Tuner
Board and check if it works.
Make sure the OSD TV
source option is correct
(Cable/Air)
No
Yes
Select to the correct
option
Connect the Assembly
PCB-Video properly.
Yes
Change the
PCB-Main
No
Connect the TV
cable properly
Test
again
No NTSC TV Signal
16