Samsung 06 Troubleshooting free download

File name 06_Troubleshooting.pdf

5 Troubleshooting 5-1 No Power LAMP off, power indicator No Check a connection a power cable. LED red color? (BH39-10339X) Yes Does proper DC 14V No Change a adaptor. (BN44-00109A) appear at C605, C682, C686? Yes Does proper DC A3.3V, No Check a IC611,IC612,IC605. A5V, A1.8V, D1.8V appear at Change a main PCB ass'y. C684, C687,C645,C643? (BN94-00496X) Yes Does proper DC 5V, 3.3V, No Check a IC902, IC601, IC603, IC604, 2.5V, 9V, DNI1.8V appear at IC606, IC607. Change a main PCB C609, C625, C635, C652, C654? ass'y. (BN94-00496X) Yes Does proper DC 33V, SNI_3.3V, Check a IC602, FT403, FT406, FT407, +3.3V_MD, +2.5V_MD1, No FT408, IC608, IC609, FT404. +2.5V_MD2, 8V, 8V_3D , SNI_1.8V Change a main PCB ass'y. appear at C613, C437, C463, C477, (BN94-00496X) C484, C664, C666, C453? Yes Check a other function. No (No picture part) A power is supplied to set? Replace a lcd panel. (BN07-00125A, BN07-00114A) LTP227W 5-1 5 Troubleshooting 5-2 No Video (Analog PC Signal) Power Indicator is off. Lamp on, no video. Yes Check a PC source and check No Input a analog PC signal and the connection of DVI cable? connected cable. (BN39-00310A) Yes Does the signal appear at No Check IC102, PC cable. Change a PC 1 #15, 19, 21 (R, G, B) of IC102 cable. Change a main PCB ass'y (BN94-00496X). Yes Does the digital data No Check a IC101 and IC107. 2 appear at output of Change a main PCB ass'y RA101~RA104, RA106, RA107 ? (BN94-00496X). Yes Does the digital data No Check a IC565, IC105 and IC506. 3 appear at output of Change a main PCB ass'y RA555~RA559, RA561? (BN94-00496X). Yes