LG FH-X1-TRBL free download

File name FH-X1-TRBL.pdf

Turn power on. NO Check power supply circuit. (Check PN 101) YES NO Check laser circuit. YES Check focus circuit. Check disc. NO w Check tracking servo circuit. c YES NO Does it output audio? Check audio circuit. . YES Fails to initial read - -0 NO Disc motor turns. NO Does laser light? A I YE YES s-B 0 I Does RF Does tracking Does signal Does TE2 signal NO NO NO NO waveform servo work? appear at pin @ appear at pin @ Defective IC appear? Lower envelope of ICI02 of IC102? 102, pick up Cl 08(RF) of Cl08(RF) and/or short waveform is flat. wire. 1.3v YES YES YES Detective pattern. -i I Does signal