Re: Philips 43PUH4900/88 will not power up
Since you have a scope, do you have any output from the LD5532GS ic? 12v on the vcc pin seems low, it should be closer to 16v to turn on. Also check the dc voltage on pin #1 it should be over 1 volt dc, if 0.8v or less the ic will be off.
Since you have a scope, do you have any output from the LD5532GS ic? 12v on the vcc pin seems low, it should be closer to 16v to turn on. Also check the dc voltage on pin #1 it should be over 1 volt dc, if 0.8v or less the ic will be off.
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