Hi, I am working on a Hp Hp 24-b029C All-in-one & motherboard in it is DA0N83MB6G0 REV: G.. There is a shorted ceramic cap right in the start of this board. Next to the DC-in jack on the positive terminal there are two ceramic capacitors, one of which is blown. They are parallel to each other on the same rail & the other pin of these caps is soldered to ground. The other cap which is good, meter capactence value measured 22uF. My question is will the other also be 22uF as the size is the same & identical, & since this Hp All-in-one works on 20v 6.5amp power adapter so I am assuming that 25V caps will be good enough for replacement & can anyone figure out the value of the blown cap. Any help will be appreciated.
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Re: Hp 24-b029C All-in-one
Yeh, 25v cap will do. -
Re: Hp 24-b029C All-in-one
Yes, thank you very much., all set & done... I used a common one as I saw in many schematics of different model notebook that the MFG. are using .1uf 25V in the initial stage near to the power jack in parallel of main hot rail & ground.Comment
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I read EBOOK of Testing Electronic Component and found that
"In order to test the small blue resin coated ceramic disk capacitor which has 104 50v specification,it is possible to test this small ceramic capacitor by making use of analogue meter.
Set to times 10Kohm that has 12v output from the probe to check disorder of ceramic capacitor.
It is not uncommon that testing result of digital capacitance meter is okay,But It show shorted reading when you check it with analogue meter."
Is it really possible to test small ceramic disc capacitor with analogue... -
"If I wanted to replace an old 15uF/400V capacitor with a new one,
I have a new 15uF/400V and a new 22uF/400V capacitor. When measured, the new 15uF reads only 13uF, and the 22uF reads only 20uF. Can I use the 22uF capacitor?" -
I want to buy one of those SMD component books so I don't have to spend as much time searching my scrap boards for what I need, specifically ceramic caps and resistors as they seem to be what I spend most of my time replacing. But the only ones I can find are no name brands. Does manufacturer matter as much for SMD parts as it does with electrolytics or is the generic stuff likely to be fine?
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hi in ceramic oven the transformer is damaged
and writes
2x115v/2x12v/6VA 50-60hz ta105/f
can you suggest me a compatible transformer ;
i have found in 70 degrees celsius do you think is suitable for ceramic oven ; -
TAOGLAS ANTENNA MODEL: ISPC.86A.09.0092E
The specs says ...
High antenna efficiency 868MHz ISM Band
5dBi Peak (when placed on 30cm x30cm ground plane) - Broadside to Zenith Radiation Pattern
The antenna is 50x50 mm square and How do I fix it on the Ground Plane of 300 x 300 mm (aluminium sheet 3mm thick).
1. Should I Fix it with a glue.
2. Should I fix it with a double side adhesive tape
3. Should I fix it with Screws (the screw head may just clamp the antenna to the aluminium...12-09-2024, 11:06 AM
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