MacBook Pro 1226: Analyzing MagSafe Adapter's Red, Pale Green & Orange Blinking LED

Question

Hello.
A friend has a laptop, a MacBook Pro 1226, the condition before checking was unknown. The MagSafe power adapter flashes red when connected, sometimes this LED in the plug had a pale green glow and over time it began to flash orange more and more. On this basis, can you determine what may be damaged in the laptop?

[movie: 9e2d66f470] https://filmy.elektroda.pl/89_1492121551.mp4 [/ movie: 9e2d66f470]

gabik001 · Answer

Green LED = charged battery Flashing orange = charging Red = does not bode well (is it really red?).

tomasz249 · Answer

Red, maybe orange. Battery removed so it's not charging

lisek · Answer

Reset the SMC (System Management Controller) Link Look at Link It will not help, you must think about the service

tomasz249 · Answer

I will not do the reset because it does not even turn on. And the way with holding the power button 5s I tried.
It is an old laptop, so it will not pay off for a service, if you could only say a few options what is damaged, I could try to do something.

boro1234567 · Answer

Give the plate number, write what equipment you have. Additionally, describe your experience in diagnosing MB in 5 words.

sk1977 · Answer

Have you checked on a different power supply?
Check the behavior when turning on without SMC - disconnect magsafe, press and hold power, connect magsafe, release power, press power like when turning on normally.

tomasz249 · Answer

I'm not a specem, equipment typical of a hobbyist electronics.
The power supply is not the fault because another laptop worked on it.
Board marking written on the laminate: 820-2101-a
Marking on the sticker (stuck on the DVI socket): MB7010B13182

PS. after connecting magsafe to the power board itself (left), the magsafe diode glows pale green and when I connect the matrix backlight in turn, the motherboard is still like that. And when everything is connected and magsafe is connected, it flashes orange.

Reset_Uk · Answer

The SMC does not detect the power supply. That is why it is so. If you are not an Apple repair specialist, you will not be able to do it.

sk1977 · Answer

You checked: ?

tomasz249 · Answer

Yes, no reaction. EDIT So I understand there is no simple answer to the question what could have gone. I merged. RADU23

boro1234567 · Answer

No.

lisek · Answer

Charging> lights up orange, .. without Aku, lights up green
You have 3.3V on the button,> after pressing it goes to 0V?
Nap. do you have duty on your chokes? (TPS51120> see datasheet)
* pin.9 / pin.10 >> 3.3V and 5V.
- see sign.EN1 / En2
- measure ISL6257

If you don't, start with
- 19V checks on LIO 820-2102.
- then on IC LT3470> pin 5> choke ... power supply KBC H8S / 2116 BGA

ps
Can be prophylactically "blowing" on the NV chip (G84-603-A2)

No org SM.
It is available on the web (significant differences, and not everything) for the 051-7225 model
Apple MacBook Pro A1226 MLB, MBP15 820-2101

The album in PL service from 180-day. warranty (installation in the service) is about PLN 900
Usage from the USA (with included shipping) is around $ 180-200

MacBook Pro 1226: Analyzing MagSafe Adapter's Red, Pale Green & Orange Blinking LED

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