Question about Dell E173FPf 17" TFT LCD Flat Panel Monitor
Dell monitor will come on but will not stay on.stays on 5 sec
5 seconds? Hmm, too long for inverter driver turning into protection caused by bad lamps. Also too long for PWM controller in the switching power supply.
Rather looks like overheating of the FETs in the inverter, they are driving HV-transformers. Open the monitor, remove metal lid and observe inverter board. If PCB under and around these FETs is darkened, replace them.
These Dells hard to open. Take the foot off and unscrew plastic cover. Then using flat screwdriver with wide blade separate plastic halves of the case, starting from bottom edge and moving to opposite. It might be sweaty.
Posted on Sep 13, 2009
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Posted on Jan 02, 2017
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