Re: Dell U2413 turning off
I got the same problem.
- Standby power (5V) still on
- PS1 (24V): 0V
Already replaced some following components: 03 schottky diodes (SRF 30-10) + 1 opto coupler at Main Switched PS; IC LD7904JGPN; MOSFET K15A60D at FPC area; 02 MOSFETs K10A60D closely to the main transformer. Nothing changes.
When used a laptop CPU cooling fan and directed the air flow to the main switched PS area, the screen turned on in 3 seconds.
I used a meter to check the value of components around the PFC and main switched...
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