Hi, momaka,
Thanks, that is awesome...exactly the sort of patient help I was hoping for! Noted about the cheap caps...well-spotted.
Ok, I'm afraid the power up test with the logic board to T-con board ribbon cable disconnected gives no white-ish or light-gray screen at all so it looks like there's no backlight. The blue power button comes on and off when pressed and when it's on I can hear a faint whining/whistling which I believe is coming from the power board.
We're probably on another track now but while I was at it I found and tested the fuse on the T-con...
soopacrucial
Soopacrucial
Last Activity: 11-14-2024, 10:55 AM
Joined: 10-29-2024
Location: Paris
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Samsung Syncmaster 740BF repair
Hi folks,
I'm new here and was wondering whether you might be kind enough to give me some advice on troubleshooting the following problem:
Quite a few years ago now, a couple of years from new, my Samsung Syncmaster 740BF LCD monitor starting playing up by making a buzzing noise and then the display would go blank. I seem to remember the blue power led would also go off when this happened but that I'm not 100% sure of. By pressing the power button I do remember I could at first get it working again but eventually the problem would come back. At the time I had read about... -
Hi. Looks like there are lots of people here! I'm interested in learning about electronics and would welcome any advice you can provide. Thanks for having me.Leave a comment:
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