AOC 198PW Service Manual page 26

19" LCD TV
5.4 Normal display
AV, S-video signal，
PC signal
OK
Check pertinent circuit
Normal display
Check signal source
OK
Check signal filter circuit
OK
Check input
OK
Check LVDS cable
OK
Check panel
NG
Reset the source
NG
Replace the filter or inductance
NG
RF signal
NG
Replace LVDS cable
NG
Check panel
26
AOC 198PW
OK
Check TV system setup
OK
Check TU101
OK
Replace TU101