×

L43S3900FS TV Repair: Common Faults and Solutions.





Search: L43S3900FS
Results: 3

L43S3900FS Repair Guide: Common Issues and Fixes

Repair tips, common issues and fixes.
Brand Model Fault Detailed Problem Solution By
SEMP TCL L43S3900FS
TV does not turn on LED ST BY blinking quickly, 12V power supply with only 6V. Capacitors in the power supply primary: cw922 10uf /50v and cw920 22uf/50v, replace directly. Eugênio
TCL L43S3900FS
35023819
If you unplug the power cord and plug it back in, it becomes inoperative. Tsound was an overload on the electrical network and the device would work if the primary power supply capacitors were discharged. Also if it turned off using the remote control, tsound was no problem but if you unplugged it, it wouldn't even turn on the stand by Replace the power supply oscillator ci Hélio Eletrônica
SEMP/TCL L43S3900FS
Dark screen only sound Change led bars reduce current to avoid return it was 88.5v normal is 84v remove r764 1r voltage is 81.5v they are 3v led Valerio