No Teletext (Picture Ok); No Osd (On Screen Display) - LG PT-43 Service Manual

4. NO Teletext (Picture OK)

Waveform of MAIN1
IC501 #59 ?
YES
Waveform of IC001 #12 ?
YES
Check OPTION1 TEXT Code
(SVC MODE)

5. NO OSD (ON SCREEN DISPLAY)

Waveform of MAIN1 IC001 #19,#20 ?
YES
Waveform of MAIN1 IC001 #38,39,40,41 ?
(R,G,B,FB)
YES
Waveform of MAIN1 IC501 #41,42,43,44 ?
(R,G,B,FB)
NO
Horizontal, Vertical Fly Back Input
NO
NO
NO
- 20 -
Check PIP Board
IC1205 #2, #4
Check DEF. Board.
Check MAIN1 Q010,Q009,Q002
Check input power of IC001
Check around Q014, Q015, Q016, Q017