Yeah that did nothing but I should have expected that to be fair... They only connected the negative pin of the lower capacitor to ground.

Welp I only found a pack of 500 resistors for a reasonable price and reasonable delivery time, so I'll have a few to sacrifice if they failed.

As per my friends' instructions I replaced all capacitors on the mainboard and it changed nothing. I then turned to check for blown fuses and resistors. To my surprise, I spotted 2 0.2Ohm resistors which were reading 1MOhm across. They're labelled R811 and R858 on the board and seem to be connected to one of these big mosfets or diodes (I'll check again today).

I desoldered the two offending resistors and found that one reads as 4MOhm and the other as OL. Do you think something else might be damaged on the board or could I just replace the resistors and test?


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Hi hey hello!

Bowl here from the EU. Electronics is a hobby for me and I recently purchased a busted PC monitor to fix up; registered to the site to ask someone with a similar issue for help. If I manage to fix it up it will be my first board level repair and I'm really looking forward to it....

Hi!

I have a similar problem. Did you manage to solve the issue?

If not; I ordered replacement capacitors to replace the existing ones to see if that's the problem. I noticed that the right 35V 150uF capacitor has no voltage on the positive lead and traced it to the QA6VA chip on the back side. Most of the pins seem to have 0V, but 19V is present and so is ground.
If you happen to know what the QA6VA chip is I would greatly appreciate it, as well as any info you might have.