Witam ostatnio pojawił się problem w tv , ciemniejszy ekran w górnej części ekranu. Ma ktoś jakieś pomocne sugestię? Dodaję fotki ekranu testowego do wglądu .
Led strings D2GE-390SCA-R3[12,12,28],D2GE-390SCB-R3[12,12,28]
for matrix (hf390bgm-C1 ).
The hf390bgm-C1 LED matrix has 7 led strings of 13 LEDs.
Each LED lstring consists of two small parts (halves) connected between them using a special connector.
On the LED line D2GE-390SCA-R3[12,12,28] 8 LEDs are installed.
On the LED line D2GE-390SCB-R3[12,12,28] 5 LEDs are installed.
This matrix is used in TV: LED TV Samsung UE39F5300AKXUA/5500AW/ ...
Power supply unit+inverter: L42S1_DSM (BN44-00645A).