How to disassemble / open LCD & Fix turns off after few seconds, easy common repair works for HP, Compaq, Dell lcd too, reset won't work, CCFL backlight fix- solder loose wire but sometimes it can be blown capacitors in power board, this computer lcd monitor w1907 Please Share/like/Sub Get capacitors here-http://tampatec.blogspot.com/
Troubleshoot guide for LCD TVs & monitors
1) if locked- to unlock just hold menu till unlocks or refer to service manual for reset code
2) power light is on but no picture screen just solder backlight wire also fixes- no picture, black screen, turns off after 2 to 3 seconds, check inverter board connections and bad diodes
3) replace blown caps 100uf 10v, 470uf 10v, 1000uf 10v, 2200uf 10v, 3300uf 10v, this fixes- turns off after few seconds, on & off randomly, static picture, no power
4) color red blue green black bars- replace tcon board or tcon solder connections also fixes distorted picture but worse cases bad tabs on lcd panel.
5) no sound- check main board sound amplifier or solder connection on audio port
6) picture flickers- bad tabs on lcd panel, loose solder connection on video inputs, loose tcon cable connection
reparación lcd
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