Panasonic TH-37PX50U Technical Manual page 70

Step 1
waveform at
TPSS1 ok?
See Ref. *4 on
page 66.
Check the
DG or D
board.
Is the Yes, upper
picture or lower half
problem in the
upper or lower
half of the
screen?
No
Go to
Step 5
Step 4
Is the
No
Yes
SUSTAIN CONTROL
PULSE from the D Board to
the SS Board OK? (Go to
Is the No lower half
picture
problem in the
upper half of
the screen?
Yes
Check the
SU or SC
board.
Is the 15V at
No
TP_15V on the
SS Board OK?
Yes
Is the
<Check Point>
on page 66.)
Yes
Check the
SS board.
Check the
No
SD or SC
board.
65
Check the
P board.
No
Check the
D board.