Philips PET717 Service Manual page 23

No video picture ON TFT
5-9
No video picture ON TFT
CHECK THE CONNECTION OF
TFT
Yes
CHECK VOLTAGE OF TFT
Yes
CHECK THE SIGNAL ON THE XP703
IS NORMAL
NO
Check whether it`s peripheral
components are badly soldered,
defected
NO
CHECK THE SIGNAL ON THE
XP702,XP705 on main board IS
NORMAL
NO
CHECK AND REPARE THE
MAINBORAD
Trouble shooting chart
NO
Correct connection
Check and Correct the
NO
wrong components in
order to supply the
correct voltage
Yes
Yes
REPLACE THE WRONG
COMPONENTS
Yes
RECONNET THE PLUG
OF XP9,XP10
CHANG THE TFT