Samsung troubleshooting free download

File name troubleshooting.pdf

5. Trouble Shooting NO Power Detected (Stand by LED OFF) No PAFT1 is normal? Change fuse Yes 6pin of AIC1 in the No function key is normal? Change AVFP1 LED Module Yes PVDLL1, PSDZ1 No Change short circuited or PFZZ1, PVZL1 SHOR and OPEN opened parts Are normal? Yes Is there No voitage at Collector of Check 2st voltage QISO1 Yes Operation of QISO1 No Replace QISO1 is Normal? Yes Check feed back ICISO1 Samsung Electronics 5-1 Trouble Shooting CVBS Video (AV1, RCA) 11pin in MCN2 No of jack PCB or CON2 of Main PCB Check the DIC1 on Main PCB has normal level? Yes Analog signals No Check the connection between are inputed normally 11pin MCN2 of Jack PCB and IC216 IC216(pin 31,33) Yes Power is No Check the connection between normal(5V) at IC216 (pin 30, 34) IC216 nad BCN2A(pin 5, 6) Yes I2C singles in No Check the connection between IC216(pin16, 18) are swinged IC216(pin16, 18) and between 0~5V? FIC1(pin 27,28) Yes Video signal of No Check the connection between About P-P1V appears at IC216 and output jack Output jack? Yes