madjid911
Badcaps Veteran
Last Activity: Today, 11:36 AM
Joined: 12-10-2016
Location: Roubaix
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The previous link no longer works, so I'm posting a new one.... -
U7800 seems fine; I have most of the voltages, but P2V7NAND_EN is at 1.8V instead of 2.7V.
The T2 chip might be defective or corrupted, but I need to recover the client's important data; is there a way to recover data from the soldered NAND chips on this model?Leave a comment:
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R8005 it's ok 1koms, PP1V8_S5 0V, I had it before, but I don't anymore since I replaced U7800 U9060 U8100Leave a comment:
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ALL_SYS_PWRGD 0v
mode diode 0.433Leave a comment:
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I removed L9060 and injected 2.7V into P2V7NAND to try to boot the MacBook and recover the data, but it didn't work; I replaced U9060, but the result is the same. Do you have any ideas?Leave a comment:
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I replaced the CHIP U7800, but the result is the same: P2V7NAND_EN is still at 1.8V, P2V7NAND_PGOOD 2V49
. ...Leave a comment:
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Yes, I confirm that P2V7NAND_PGOOD is 2.46 V.
Does ISL95870 correspond to U8110 here? I don't have a U9000 on my board.
I measured 0V49 on U8110 PVCCIOS0_SREF. Is that normal?
U9060 :
P2V7SSD0_EN and P2V7NAND_EN : 1V8, R9060 it's ok O,1 hom, which manages P2V7NAND_EN ? it's U7800 ?
P2V7SSD0_FB : 0V79
P2V7SSD0_VOS : 2V46
Diode mode reading PP2V7_NAND : 0.327Leave a comment:
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P2V7NAND_PGOOD : 2V46Leave a comment:
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No change with the battery and audio ribbon cable disconnected.
SMBUS_3V3_BATT_SCL : 3V22 3V31
SMBUS_3V3_BATT_SDA : the same
another measure:
SWE010 3V27
PCH_PWRBTN_L 3V31Leave a comment:
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C7020 : 2,7 ohmsLeave a comment:
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A1932 no power
Hello, I have a MacBook A1932 (820-01521-02) that won't start up at all. The trackpad clicks fine, but the keyboard is unresponsive and there is no display. There is no oxidation—the motherboard is very clean—and I haven't found any shorts. DFU mode works, and I was able to restart the T2 chip without issue (I don't want to restore it because the client needs their data).
Here are the measurements:
PPDCIN_G3H 19V80
PPBUS_HS_CPU 12V63
PP2V7_NAND 2V49
CHGR_VBAT 12V62 - 0V163 cycle
PPBUS_G3H 12V62
PP5V_S5_LDO 5V
PP3V3_G3H_RTC 3V27
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Hello, I also need to know which chip is located on the PU301, but on the Ideapad 3 15ARH7 model (motherboard hlg50 la m082p ). I've searched everywhere and I've only found the bordview.
SY8388BRHC ?
https://www.badcaps.net/forum/troubl...082p-boardview...Leave a comment:
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Hello, after an update, the TV turns on and restarts. Could you please fix the program? There are so many versions here that I don't know which one to choose...Leave a comment:
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It wasn't the EC program, it was definitely the processor. I did a machine reflow, and the laptop is working again....Leave a comment:
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Thanks to your instructions, I was able to reprogram the SIO chip using I2C (I had never tried I2C before; I thought it was complicated, but it's even easier). I was used to using the keyboard connector and didn't know it was also often used for the secondary chip. I understand my previous failures much better now.
Everything works, thank you very much!...Leave a comment:
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Before attempting a CPU reflow like in m1ch43lzm video, I'd like to flash the SIO chip first. Could you please provide me with the EC BIOS? I have an SVOD box capable of reprogramming this type of chip, although I doubt the problem lies there. Besides, on Intel motherboards, the chip normally reprograms itself automatically, right?...Leave a comment:
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Perfect, it works, thank you very much....Leave a comment:
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Hello, could you please clean my BIOS with the correct version? The laptop starts but there's no display.
For Asus X415EA
Sn : M9N0CV05N341363...Leave a comment:
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I tried it, unfortunately it doesn't work for me. Could this laptop have a graphics card defect?...Leave a comment:
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Hello, could you please clean my BIOS? The laptop starts and charges the battery, but there's no display and the keyboard doesn't respond. The EEPROM is receiving 1.8V.
For legion 5 17ACH6H
Motherboard : ND-562 REV 2
SN : PF3D1PDR...Leave a comment:
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