Dell N5110 2beep
Hi, first sorry for my bad English. I try to new RAM but nothing changed. It still 2 times beep then again two time beep. I disassemble notebook. There is shortcut on motherboard PL4501. I remove this compenent then PU4503 fixed and have no shortcut but PT4502 still have shortcut. I remove PT4502 but nothing changed. 1D05V_PWR always shorted. I dont know which compenent create 1D05_PWR. Where i must look for fix it ? I attacht service diagram.
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Re: Dell N5110 2beep
that 1d05v_pwr is created by pu4501 ,pu4502 and pu4503
how many ohms show on pc4508??? -
Re: Dell N5110 2beep
When i put PL4501 on board, PU4503 (5,6,7,8) and PU4502 (1,2,3) shorted ground. When i remove PL4501 coil, there is no short ground on PU4503 and PU4502. Board left side is ok and no short but right side (PR4505, PR4506,PC4508,PT4502) shorted ground. I remove all compenent right side but nothing changed.
0.55k ohm show on pc4508. In diode stage it shorted ground. I'm new laptop repair so im still hard working repair it.
(Thanks for reply)Comment
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Re: Dell N5110 2beep
remove cpu and check again that pc4508Comment
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Re: Dell N5110 2beep
i already remove cpu, ram, bios battery etcComment
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Re: Dell N5110 2beep
any other help?Comment
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Re: Dell N5110 2beep
Ustam PU4502 ve 4503 ü kaldırıp öyle ölç istersen. Arızan küçük bir alanda olduğu için çok zorlanacağını sanmıyorum.
Remove PU4502 and 4503 and see what values turn into.Comment
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Re: Dell N5110 2beep
1D05V_PWR appears to become 1D05V_VTT, see the same page of the schematic. Might be worth removing PR4505 to verify the short is not on that side, then remove components one by one.
Theoretically anything on the 1D05V_VTT line could also be causing the short. If GAP-CLOSE-PWR is a solder jump, you could possibly desolder it to verify if the short is on the 1D05_VTT line, but it's hard to say without seeing the board itself.Dell E7450 | i5-5300U | 16GB DDR3 | 256GB SSDComment
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Re: Dell N5110 2beep
Hi Guys...
in my case 3 beeps are ther & no display, i had change the bios but result same.
any body help please!!!Comment
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Re: Dell N5110 2beep
hi guys,
i got solution of 3 beeps, i had change i\o ic and it sovled. its nuvotone.Comment
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