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It should, and it happened!
It was [FONT=CourierNewPSMT]C81DC , the same that was getting hot in my first post. Replaced and now the Mac is working pretty good
Thanks a lot [/FONT][USER="295753"]mon2[/USER] for your valuable support, as always. I'm truly glad to have resolved this issue and learned to use a new tool. I owe you a beer anytime!"
It should, and it happened!
It was [FONT=CourierNewPSMT]C81DC , the same that was getting hot in my first post. Replaced and now the Mac is working pretty...
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here is my pic!
That would be the first time using a power supply to sort out a short, can't wait to start!
I need to solder the negative pole to the ground on the logic board, while the positive pole goes to the component related to the track I want to investigate, right? Do you have any advice on which component to choose? I'll make sure not to exceed 0v8 by checking with a multimeter. How many Amperes should I use? Fortunately, I have a phone with a FLIR camera; I'll try that, and if it doesn't work, I'll use IPA (alcohol)."
...1 Photo
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MacBook Air M1 A2337 820-02016 not booting, taking 5V 0.42A and 2.173W
Hello, a friend give me this M1 Mac Air, he said that it simply stop working. Apple preventive is replacing motherboard.
Model is MacBook Air M1 A2337, logic 820-02016, not booting, and taking 5V 0.42A and consuming 2.173W.
Once disassembled is very clean, no water damage at all. Visual ispection reveal no visible problem. Flir camera point to two hot point:
C81DC PP3V8_AON_VDDMAIN
And
Q5800
What should I test as next step?
Thank you very much!
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Re: MAC Display A1316/A1407 appears to be dead even after replacing the PSU three tim
Can you please help me figure out this cap value? C308
[url=https://ibb.co/JrskSDs][/url]Re: MAC Display A1316/A1407 appears to be dead even after replacing the PSU three tim
Can you please help me figure out this cap value? C308
[url=https://ibb.co/JrskSDs][/url]...
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Re: Apple 27" Cinema Display (A1316) has trouble turning backlight on
Can you please help me figure out this cap value? C308
[url=https://ibb.co/JrskSDs][/url]Re: Apple 27" Cinema Display (A1316) has trouble turning backlight on
Can you please help me figure out this cap value? C308
[url=https://ibb.co/JrskSDs][/url]...
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Re: MacBook Pro 13'' M2 A2338 get 5V 0A does not boot. 820-02773
Really stuck on this.
PPBUS_AON 12.30V present,
PP3v8_AON 3.78V present,
PP3v3_s2 0v, not shorted. PP3V3S2_EN not present as well.
P3V3S2_DSCHG_EN_RC 3.40V present.
LDO check on:
U8100
PP3V8_AON_MPMU_ISNS_VIN
CY1M3 3.77V
PPVDD_LDO20_14_8_3
C8300 0V DIODIE MODE 269
PPVDD_S2SW_VDD2H
C83B1 0V DIODE MODE 36
PP1V8_AON
R8620 1.79V
PP3V3_S2_LDO
C8331...
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Re: MacBook Pro 13'' M2 A2338 get 5V 0A does not boot. 820-02773
[B]PP3v3_UPC0_LDO ([COLOR="Red"]UF400[/COLOR]) 3.44V
PP1v5_UPC0_LDO_CORE ([COLOR="Red"]UF400[/COLOR]) 1.48V
PP3v3_UPC1_LDO ([COLOR="red"]UF500[/COLOR]) 3.44V
PP1v5_UPC1_LDO_CORE ([COLOR="red"]UF500[/COLOR])[/B] 1.48V
resistance to ground of [B]PP3v3_S2[/B].
CC717
1 PP3v3_S2 35(2000K scale) ohms
0 gnd 0 ohmsRe: MacBook Pro 13'' M2 A2338 get 5V 0A does not boot. 820-02773
...
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