I repair 10-20 this open frame lcd per day. 95% problems is bad capacitors Evercon LE, Jackcon low esr. This lcd icluded vga-video PCB Winmate types R7X410, R5U210, R7X120,*Z5U120 and other. In this pcb used low cost taiwan capacitors with live time 1000hours/temperature 105 celsius. In nonstop function this caps blow/damage after cca 1.5-2years, or if using noname caps (brand "S.Y" is live 5-7months).
In repair this monitors i use caps Teapo SY lifetime 5000hours/105 celsius. After repair monitor with dis caps livetime 6-7years.
4% problems with monitors is bad smd fuse 3.15A/2A orj broken secondary coil in light transformators in pcb light invertet.
1% problems is bad lcd panels AU Optronics model M190EG01 M190EN03 or Chimei M190E2 or M190E3 - short circuit in DC-DC converter - short ceramic smd caps and after bad fuse.
In repair this monitors i use caps Teapo SY lifetime 5000hours/105 celsius. After repair monitor with dis caps livetime 6-7years.
4% problems with monitors is bad smd fuse 3.15A/2A orj broken secondary coil in light transformators in pcb light invertet.
1% problems is bad lcd panels AU Optronics model M190EG01 M190EN03 or Chimei M190E2 or M190E3 - short circuit in DC-DC converter - short ceramic smd caps and after bad fuse.
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