Picture Ok, Sound Ng - Panasonic TH-37PX50U Technical Manual

Picture ok, Sound NG

Is there
no sound Yes
from all input
sources?
No
Check the Z board
No sound from
analog TV reception
No sound from digital
TV reception
Is there
sound from No
the program
out jacks?
Yes
and speakers.
Check the TA board.
Check the DT board.
Check the
H board.
Is there
sound from No
the AV
terminal?
Yes
Is there
sound from No
the AV
terminal?
Yes
72
Check the
H board.
Check the
H board.