luktech
Member
Last Activity: 01-11-2019, 11:26 AM
Joined: 04-24-2013
Location: lagos state
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Help compaq cq51
It shows the led indicator when charger is plugged in but when I press the power button it does not power on. Please what should I check for. I have replaced the charger but problem persist. -
Electronics ebooks
pls if anybody that have ebooks on electronics repair should please share it. ebooks like how to troubleshoot SMPS, HOW TO TEST ELECTRONIC COMPONENT, etc. especially any one from jestine yong. Thanks. -
Re: Toshiba a665 mobo LA6062p rev.2 dead
Please how do you confirm that PQ32 was shorted -
Hp dm4 shows charging but remains at zero percent
I have a hp laptop that shows charging whenever i plugged in the charger but remains at zero percent. after hours of charging on removing the charger it is still at zero percent but still on until about 15 minutes of removing the charger before it shutsdown itself. pls help what can i check. I have replace the charger but problem persist. -
Re: LG Plasma 60pk950-UA no picture or sound
since no picture and no sound. The mainboard is badLeave a comment:
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Re: HP G61 with momentary power
What did u do next. Remove or you shorted it.Leave a comment:
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Re: hp 530 dead
Thanks. I will do that.Leave a comment:
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Re: Hp-530
thanks.Leave a comment:
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hp 530 dead
Hi. I have a hp 530 that suddenly refuse to charge and power even with battery. I think the two lead of the charger suddenly brigded and result in short circuit of the motherboard. Please help me. What component will test and how. I also need site where i could download schematics of laptop board. Thanks. PQ3 has 18.5v i/p and also 18.5v o/p. PQ4 has 18.5v i/p and 0.3v o/p. -
Re: Hp-530
I cant find where to post new thread. Pls how will I.Leave a comment:
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Re: New Members - please post your introductions here
hello I am Hassan from nigeria. I love electronics from childhood. I repair phone and laptop but little knowledge about motherboard repair. I hv posted question here but no reply. Pls helpLeave a comment:
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Re: Hp-530
hi. Mine is a no power fault. I measured the value of the pin 1-4 of q4 to be 18.5v but the output pin 5- 8 is 0.3v. Could it be the cause. If yes can i use the Q4 of other board.Leave a comment:
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