Hitachi 42HDF52A Service Manual page 18

No PC signal (Analog RGB/DVI)
No PC signal.
Check if PC source is
working on other
display?
Check if the D-Sub or DVI
cables have been well
connected to the PDP?
Check if the signal
frequency is higher than
1024x768 ?
Take off the back cover.
Change the
PCB-Main
Yes
Yes
No
No
Check PC by PC
Service Provider
No
Connect the D-Sub
or DVI cables
properly
Yes
Adjust the signal
frequency.
18
Test
again