Yosua
Badcaps Veteran
Last Activity: 04-22-2025, 09:39 AM
Joined: 06-14-2021
Location: Pasuruan
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Thank you friend, but the processor heatsink and cooling paste are still safe... -
for now the development is, when my 3v&5v coils are broken, the 19v line is safe, does this mean the TPS5128 IC is damaged or weak?...Leave a comment:
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True, but it can't be determined how long it can turn on, sometimes it can enter windows, but when the machine feels warm, it can only reach the windows logo and then turns itself off.
then when the condition is off but the charger is still attached to the PQ1 SOURCE & GATE, 19v appears, after that I tried to unplug and reinstall the charger then all fets (PQ1 & PQ2) have normal voltage, SOURCE & DRAIN: 19V, GATE: 9V...Leave a comment:
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This is the measurement result when the laptop is off and my charger is removed, sir....Leave a comment:
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When the laptop is on, everything runs well and the screen can display images....Leave a comment:
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The result is 199k ohms when the black probe is on the gate and the red on the source and 91k ohms when the probes are swapped.Leave a comment:
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Thank you for taking the time, the result of the diode mode measurement is 1.446...
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Lenovo THINKPAD T470S NM B081 REV1 DEAD
hi friends, here I want to ask for your help, because currently I am working on a Lenovo Thinkpad T470s with the nm code b081 rev 1, the case is the first time it is turned on when the charging cable is inserted it can turn on but can turn off for a few minutes and when the power button is pressed it can no longer turn on as before, but when the charging cable is removed and inserted again, it can turn on again but turns off again
on the dcin path I have measured PQ1 and PQ2
when in normal conditions they appear 19v on the source and drain then the gate appears 9v... -
Sorry sir, I was wrong, my measurement above was diode mode with the red probe position on ground, and for the PPBUS_G3H @ F7140 line it was 378 in diode mode
I don't think there is a short here, correct me if I'm wrong?Leave a comment:
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hi, thanks for your response and direction for me,
here are the measurements with diode mode:
pin:
1. CHGR_AGATE 537 ohm
2. CHGR_DCIN 524 ohm
3. CHGR_ACIN 457 ohm
4. CHGR_VFRQ 392 ohm
5. CHGR_ICOMP 592 ohm
6. CHGR_CELL 99 ohm
7. CHGR_VCOMP 565 ohm
8. CHGR_VNEG 460 ohm
9. CHGR_AMON 574 ohm
10. SMBUS_SMC_5_G3_SDA 452 ohm
11. SMBUS_SMC_5_G3_SCL 456 ohm
12. PP3V42_G3H 246 ohm
13. CHGR_RST_L 505 ohm
14.SMC_BC_ACOK 404 ohms
15. CHGR_BMON 577 ohms
16. CHGR_BGATE 554 ohms
17....Leave a comment:
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Thank you for the time you gave to help me, after I checked the flowchart you gave, in the measurements from above, PP5V1_CHGR_VDD was not present, sir.Leave a comment:
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MACBOOK AIR 1466 DEAD
HELLO FELLOW COLLECTORS, How are you doing, I hope GOD always gives us good health, I'm here asking for help to work on this MacBook Air, to be honest, this is the first time I'm dealing with a MacBook machine, and I immediately decided that the ISL 6259 IC and after I replaced it it still didn't work and I found that the CHGR_CSO_N & CHGR_CSO_P pins had a short circuit.
can anyone help me guys? -
Re: x441BA rev 2.1
okLeave a comment:
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Re: Dell la-9832p no charging
tapi memang pin srn dan srp tidak mengarah ke soket batrai pak, karena aku melihat skemanya
but indeed the srn and srp pins don't lead to the battery socket, sir, because I saw the schematic...Leave a comment:
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Re: Dell la-9832p no charging
i have tested it with dell original charger, but still no change sir...Leave a comment:
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Re: Dell la-9832p no charging
2) For the measurement of srn&srp it is not read in all ohm modes, sir, and does not show 0 ohms
3) this laptop works fine except the charger sir
I followed the path of the battery pin connected to the power selector ic sir, what ic is this, and for what?...Leave a comment:
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Dell la-9832p no charging
hi friends, I have a problem with a dell mobo with the code LA-9832P, this mobo can't charge I measured the voltage on the 0v battery pin
this is the result of measuring ic bq24717
ACN = 19.6V
ACP = 22.4V
CMSRC=22.3V
ACDRV=28V
ACOK=2.5V
ACDET=2.8V
SRN=15V
SRP=15V
REGN=6V
VCC=21.2V
I hope someone here can help me... -
Re: LENOVO E40 DA0GC5MB8H0 rev H bios
S/N = LR-5WH3B
Thank for youre help bro,please...Leave a comment:
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LENOVO E40 DA0GC5MB8H0 rev H bios
hi friends, does anyone have the bios for LENOVO E40 DA0GC5MB8H0 rev H? -
Re: Asus x450ep rev 2.0 touchpad synaptics not detect
for this mobo using EC IT8572E and this ec does not need to be programmed.
and the ohm value in the measurement is 735 ohms for pin #7 on this rn5202.
thank you sir, I hope there are colleagues who have experience with this problem can help...Leave a comment:
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