LG MC021ATS free download

File name MC021ATS.pdf

TROUBLE SHOOTING Check pin 2 of P005A. 1V Check / Replace Check the voltage at Q871,Q852,Q854, pin 10 of P004A. IC803,IC851 2Vp-p 0V Check the H-DRV voltage at pin 5 of P214A. Check / Replace Check / Replace IC001,Q002. FR359,FR360,D339,D349,IC301. 5.5Vp-p 0V Check the voltage of C404(+). Check / Replace IC1113. 67V Check / Replace Check the voltage at R407,D861,FB854. pin 2 of FBT. 135V Check / Replace Check / Replace R865,R864,L853,D850,FB856. Q401, Q402, T401. Check the voltage of C821. Check the voltage at Check / Replace pin 4 of STR. SW1101,F1101,T1101, DB814,TH810. 17.8V Check / Replace Check / Replace R809,D802,R803,R810. IC801 and the secondary part of POWER circuit. - 14 - Check if heater element is lighting. Check the heater voltage. Check/Replace Increase the screen FR442,R910. voltage of FBT. Check/Replace CPT. Retrace line is Screen is black. visible. Check the waveform Check FBT & CPT socket at pin 3 of ic901,902,903 & CPT. NO YES Check the waveform Ch