Panasonic TH-42PX500U - Page 69

Step 1
Step 2
Step 3
Is the waveform
at TPSC1 ok?
See Ref. *3 on
page 66.
Is the
SCAN
CONTROL
PULSE
from the D Board to
the SC Board OK?
(Go to
<Check Point>
on page 66.)
Check
the
D
board
Check the
SC board.
No
No
Yes
Check the DG or
D board.
Yes
No
Check the
D board.
Yes
No
Check the
DG board.
Is the
LVDS signal output
from the DG Board to
the D Board OK?
(Go to <Check Point>
on page 66.)
Yes
Check the
P board.
No
Is the Vda
voltage at
TP_VDA of the
SS board OK?
Is there
a dark
picture?
Yes
Go to
step 1
Go to
Step 4
64