hi guys I have the above mentioned MacBook Pro 2014 Retina 13"
and its power cycling no matter what I do.
it powers on chime turns off does the same over and over.
I've checked voltages and they are going up and down the 5v one gets there then falls to 0v 3v3 also does the same thing goes up to 3v then falls off.
any ideas where I can check next ?
I did notice a slight bit of corrosion in the are highlighted in the image.
none of the water indicators have changed colour so I'm not sure how it got wet there...
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MacBook Pro 2014 Retina Power Cycling
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Re: Acer Nitro 5 Dead
thanks for the reply.
any other ideas where to look ??
I know the 3V rail is missing as I can't find it anywhere....
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Re: Acer Nitro 5 Dead
hi sorry its my fault for not doing what you asked
so ive set my meter to 20K and it goes to 1 which is over, ive set it on 2000kohms and it stops at 530Kohms
thanks
Jason...
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Re: Acer Nitro 5 Dead
thank you tested and getting the same results...
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Re: Acer Nitro 5 Dead
3VLP isn't present 0v
and has 99 ohms on one side and 0 ohms on the other if im reading my meter correctly.
can you confirm if im on the right mode on my meter ?? pic attached...
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Re: Acer Nitro 5 Dead
pin 8 0n UH2 is 0 ohms
pin 2 = 19V
pin 9 = 0v
pin 11 = 4.06v
pin 12 = 0v
pin 17 = 0v
pin 20 = 0v...
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Re: Acer Nitro 5 Dead
sorry for the slow reply guys ive had a busy few days.
I believe this is the LDO...
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Re: Acer Nitro 5 Dead
ok I've found 3v3 LDO and its showing nothing.
in ohms mode it says 530 ohms
I can't read the chip sadly its soo small....
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Re: Acer Nitro 5 Dead
I have 4.5v on ENLDO 3V5V is that the correct rail ??
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Re: Acer Nitro 5 Dead
hi again +3V LP isn't there I don't have a 3V LDO ??...
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Re: Acer Nitro 5 Dead
im getting the following on the battery connector 0.27v
yes its passing the first dc-in mosfet....
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Re: Acer Nitro 5 Dead
there are the readings for the resistance
hi thanks for the reply I have my meter set to 2000 ohms
and get the following readings
PL301 34 ohms
PL501 my meter shows it counting up then 1 (I think means out of range)
PLB1 my meter shows it counting up then 1 (I think means out of range)
PL1101 30 ohms
PCV36 my meter shows it counting up then 1 (I think means out of range)
PLW1 144 ohms
PLV2 26 ohms...
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Re: Acer Nitro 5 Dead
yes its the LA-H501P motherboard.
and ok ill check for that thanks
thanks ill check for that also today ...
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Acer Nitro 5 Dead
hi guys I have the above laptop
Acer Nitro 5 AN515-45
its dead as a dodo.
im not sure where to begin checking for shorts.
can anyone help ??
many thanks
Jason...
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Re: Asus Rampage V Extreme X99 Error 53
well ive got it to work finally as bios chip 1 is dead
but not all the ram slots work
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Asus Rampage V Extreme X99 Error 53
Hi guys I have the above Asus Rampage V Extreme X99 motherboard
that's stuck on error 53 with or without ram installed.
ive checked the CPU socket no damage ive inspected the board and can't see any damage.
but no matter what I do it won't work.
it just goes to error 53 and never changes.
sometimes it will give an error code of 00 but a majority of the time it just shows error 53.
ive tested my ram and CPU in another X99 board and they are working with no issues.
could it be the board...
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