Re: Philips 42PFL7422D/37 power supply issue
[B]budm[/B] I was check almost every part of Primary Side this board(resistor 3318 is good).
[B]PhilipsKSI[/B] I have a transformer from 220/110V.
Are there any test points or any standard Voltages on this board which I should check to make sure that I go right way?
I'm just a beginner so I'm asking...
I have a question. I was connect this broken board on my table, giving +5V from LAB Power Supply to 7th pin of 1P11 connector. How can I simulate START this board? Which of pins I should cross/close ?
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Philips 42PFL7422D/37 power supply issue
Hi, recently I bought a broken Philips 42PFL7422D/37. I'm electronics hobbiest so I wanna try to fix it. If I try to turn it on, there wasn' t any sound or picture. There's heard only click.
I replaced the parts which were bad (by visual) and some kind of diodes after checks. I was download manual service and then checks almost everything. There is only 120V AC out to main board (1P02); four big caps have about 152V DC; MC34067P on 15 pin there is growing and falling DC voltage (9-15,26V). I think it will be easier to show my measure on Block Diagram.
Could You help me? What I...
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