and sold the coil of hight volt
Sunday, March 22, 2020
lcd problem stby and abnormal picture viewpia lc-37le11
the picture is take long time to appear and after appear it take many ab normal picture strip line so after chick i find there is many cap 50-470 changed i remove all cap and measure normal most cap is for inverted lamps and pwm switch i put my finger on the ic it so hot and after chick i find the solder is dry and the reason for hot ic is the damper shottky diode leg is separated and in cold case after 2 minute work but in most case didnt work so i solder it and change stby 5 v and after that the ic work fine no heat on it and no voltage drop no stby case cause of protect mode on pwm inverter ic
Subscribe to:
Posts (Atom)
All reseon of ew problem
All East West West problems are caused by either the processor signal not arriving or weak if the East West console was damaged and burned,...
-
ST316A040-1 VER3.1 PANEL HC320SXN-VSFP3-21XX EAJ62431801 CS 11002 LVDS INPUT SIGNAL KLSTM111 AND IC 5562A 6861AAQ IS SA...
-
2 down vote This is "horizontal flyback" when talking about CRT screens: - This is unrelated to the term "flyback ...
-
BNO7-01052A 7HBI5L171F V02 LJ96-05867B I7824HHS P603920 I7991 R719J0 1H -2J D1 0 D2 0V CKV1 9 CKV2 9 V CKV 3 9 CKVB1 9V ...