IndiaReFix - Laptop & TV Repair Forum

Posted: **Sun Apr 24, 2016 7:03 pm**

HP 430 motherboard
strange problem. no 3.3v and 5v. changed the SPMS power supply ic still same problem. no shorting of the board everything normal but still no 3.3v or 5v. even tried replacing i/o and even removed PCB chip still no LDO voltages. anyone encounter this problem. any more ideas left ???

Posted: **Mon Apr 25, 2016 4:19 pm**

I thinks that 19 volt is missing plz do u have image and part no.. of motherboard its better to under stand

Posted: **Tue Apr 26, 2016 3:17 am**

Try to change charging ic

[ Post made via Android ]

Posted: **Tue Apr 26, 2016 10:39 am**

19v is coming on in the ic. on tps51123

Posted: **Wed Apr 27, 2016 4:12 am**

Some board design like that, this is may not be a solution but you tried all possibilities naa so try this too.

[ Post made via Android ]

IndiaReFix - Laptop & TV Repair Forum

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