HP Power Brick

[momaka]

Re: HP Power Brick

Probably best idea to make a new thread about the laptop. That way we can still stay on track with this PSU.

When you're done inserting the components, the blue circle test point should also have full continuity as well, just like the other test points. If that's the case, then just check the voltage on pin 2 of IC3 (the L6384D controller).

[rigeback]

Re: HP Power Brick

Well put it all back together including the cap I substituted since it looked ok and then I hooked it up to fused plug as I wasn't sure about my soldering skills and some of the heat shrink is missing totally on R15, anyway shocking as it seems I found the LED glowing and bingo 19V power out!! I'm thinking now that it's possible that there was a solder defect on R15 or C6, anyways will reassemble the brick and see if it holds out.
One thing I would like to know since I have removed all that white bog is what product should I use to re-stabilize the components, I read some where that white silicon used in bathrooms is acceptable??

[momaka]

Re: HP Power Brick

One thing I would like to know since I have removed all that white bog is what product should I use to re-stabilize the components, I read some where that white silicon used in bathrooms is acceptable??

No, you can leave everything the way it is. Manufacturers use that white glue to temporarily hold down components before they get wave-soldered. Once soldered, the glue is not needed, but since it doesn't usually harm anything, they leave it in there.

As for using bathroom silicone - I think that won't work. Most types of silicone are slightly acidic and they can eat away components' leads and traces on the board, so don't use it.

[rigeback]

Re: HP Power Brick

Yes I assumed there was no houshold product to to replace the glue so I replaced all the parts without it, anyway its been working well for nearly a week now and the mobo was not damaged, lucky me!
Thanks everyone for the support.