Re: Acer 5740 dead no power no led indication
One more thing ,is there any id or serial no i write in dump to flash ic
Naitikpatel
Member
Last Activity: 01-16-2018, 01:20 AM
Joined: 06-03-2017
Location: Gujarat
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Re: Acer 5740 dead no power no led indication
Yes i can read data ,is there any dump comparision method to compare with new dump
And second thing this ic is not available india so can i use alternate ic in place of thisLeave a comment:
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Re: Acer 5740 dead no power no led indication
yes ,i erase but this to not workLeave a comment:
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Re: Acer 5740 dead no power no led indication
Thanks Guyz for reply .
i try to flash EC and i have CH341a USB Programmer black edition but when ever i try to write bios it will shows the error "chip with the contents are in disagreement " how resolve it plz suggest....Last edited by Naitikpatel; 08-22-2017, 10:42 AM.Leave a comment:
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Acer 5740 dead no power no led indication
[B][/B]Dear all,
plz help me recently i had acer 5740 (i3) wriston JV50-CP which was not power on.
At TPS51123 i got 5v & 3V @ pin 8 &17
Battery connector i had 3.3 v
@ U16 ec bios pin no. 8 - 3.3v
@ U56 system bios no voltage at any pin
Plz suggest me what should i do next...sorry for my bad english.Last edited by Naitikpatel; 08-19-2017, 12:47 PM. -
Re: Acer Aspire 5740g dead (no power - no lights)
Hello everyone,
I have same issue ,I got 3.3 & 5 volt in pin no 8,17. No volt at pin no 18 of tp51123
And at u16 bios ic I get 3.3 volt(not have oscilloscope). Now what should I do
Plz help meLeave a comment:
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Re: Acer 5740 no power no led
I think it's not because of voltage spike but the one nozel come out form cooling fan and that was right behind it so,i m just guessing.if it was not responsible for power damge than how can I check step by step for power failure.thanksLeave a comment:
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Acer 5740 no power no led
Hi everyone,
My Acer 5740(not g) not powe up ,no led blink so I dissemble it , and I found one component cracked see in below image,plz help me to know which component it is. Know me if this was the responsible for no power up.... -
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