Samsung LW17N13WX XEC.0000042107.E.09 free download

File name LW17N13WX_XEC.0000042107.E.09.pdf

CONFIDENTIAL 5 Troubleshooting 5-1 No Power Does proper DC 14V appear at DC No Check SMPS PCB and Adapter. jack connected to CN801? Yes Does proper DC 3.3V_A No 1 Check IC801. (#2) appear at FT852? Yes Does proper DC 2.5V_A No Check IC802. appear at Pin 3 of IC802? Yes Does proper DC 3.3V_B No 2 Check IC805. (#1) appear at FT822? Yes Does proper DC 2.5V_B No Check IC806. appear at Pin 3 of IC806? WAVEFORMS 1 IC801 #2 2 IC805 #1 NK15A*/NK17A* 5-1 5 Troubleshooting CONFIDENTIAL 5-2 No Video (PC Signal) Power indicator is green. Yes Does the signal appear No 3 at C306, C398, C397 Check CN401 and cable. of R, G, B input? Yes Does the clock pulse appear at No Check related circuit of IC350. output of RA351 ~ RA356? Yes Does the clock pulse No Check R354 and related appear at R354? circuit of R354. Yes Does the clock pulse No Check X201 and related 4 appear at X201? circuit of X201. Yes Does the clock pulse appear at No Replace RA301 ~ RA306, IC300. output of RA301~RA306? Yes Replace LCD Panel. WAVEFORMS 3 Full White R, G, B Input (C306, 398, 397) 4 X201 5-2 NK15A*/NK17A* 5 Troubleshooting CONFIDENTIAL 5-3 No Picture (TV, Video, S-Video, SCART) Check the CO44, CO45(S-Video), CO46(VCR) and CO42(RF-CVBS). No Check the CN888(Tuner) 5-1 IC011 #