Panasonic TC-32LX70/70

No
Yes
No
Yes
Problem
Solved
No
Does this fix
the Audio
problem?
Determine which audio input is
defective. Check for poor solder
connections in the vicinity of the
audio connection in question.
Are other
Audio inputs
OK ?
Check the L/R speaker output
connection.
Reseat connector A5 and A6.
Yes
Try using a different audio input
source. Try the Tuner, Component,
S Video or HDMI input.
Is the Audio
ok?
Change the A board.
Problem
Solved
No Audio
57
A Board
Change the A Board.
Is there 15V on
pins 2 & 3 of
connector
AP3/A3?
Check regulator IC7215
and biasing component
on the AP Board.
Replace if defective.
Yes
No