Panasonic TH-42PX500U - No Picture, no Sound

No picture, no sound
Check the
DT board.
No picture and sound
from digital TV
reception
Input Source check
Check the
H board.
No picture and sound
from the AV terminal
Yes
Check the TA board.
Check the
H board.
No
Is the
picture and
sound of the
AV terminal
ok?
No picture and no
sound from analog TV
reception
73