Hello momaka,
Great in depth with this PSU. I have a similar one which I bought as defective. I've been working on this for several weeks now. It came to me dead, no power at all. I replace the fuse, the two JCS18n50 in the APFC to no avail. After digging more I found out that Q1 and Q2 is shorted, so I changed them, now I have +5Vsb but still not turning on. After more hours and digging it looks like IC3 CM6805BG is shorted ( GND and VCC has a 8ohms reading) and C10 has blown. I have ordered replacement for the IC but I dunno what is the value of C10. The closest I found is that C10 could...
Baste
New Member
Last Activity: Today, 03:14 AM
Joined: 05-09-2025
Location: Quezon
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Replacing a bad Cap with higher value.
Hello experts people,
First time poster but lurking the Forums for few days now. I'm a beginner hobbyist who's trying to fix what ever I can and learned along the way. Right now what I have is a busted 58inch LCD TV with backlight issue. Long story short, I kinda found the issue (or atleast on the right track) it's on the power board with bad caps (broken pin). It seems an easy fix, just replace it with the same one and away it goes, but for whatever reason I cannot find the exact value in my place or online store in my country. The bad Cap is 39uf 450volts in parallel. The... -
Hello,
New member and new to electronics but not first time user of Forums group. I've been a Forums admin (2008) for a video editing software before so I know the do's and don't s. I love Forums over FB for number of reasons. I hope I can contribute someday for now consider me as a burden 😀
Thanks
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