Hi everyone, I need the Huawei BIOS. It powers on, but doesn't display any images. The motherboard is DAH98NMB8C0.
Model H98N.
Rev.: CHF.
Sn.: EPQPM21927001355.
Device model: NBB-WAI9.
BIOS OLD....
skyline_bogota
Member
Last Activity: 06-08-2025, 10:41 AM
Joined: 09-08-2022
Location: bogota
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NEED BIOS HUAWEI MATEBOOK dah98nmb8c0
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Help Need down converter - Asus x7400
HI,
I need help replacing an IC "down converter syv731rac" as I can't find it anywhere, does anyone know which other integrated IC can serve as a replacement?
thank you.
I leave photos of evidence
PU8601
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The unsoldered resistor measures 502 ohms and the soldered resistor measures the same 502 ohms. I'm looking for a 500k resistor to replace it, because I think the value is not correct.... -
This is what marks between pin 7 and GND
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I measured the resistance on the outside and it marks the same as the photo published previously (502) , I put it back and with a voltage at the source of 19v 3a, before the resistance 19.03v and then 18.90v on pin 9 of TON. in the resistors of pin 7 it does not mark anything....Leave a comment:
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on pin 9 the resistance is 502 ohms (photo)
pin 7 without resistors...Leave a comment:
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the voltage of the coil that goes to the memories if present is 1.2v, on pin 7 there is only one resistor, but it is not present on the board
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"dataurl459586.png","data-attachmentid":3333251}[/ATTACH]the voltage of the coil that goes to the memories if present is 1.2v, on pin 7 there is only one resistor, but it is not present on the board
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":&qu...Leave a comment:
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I need help error Dell 3493 no video
I have had problems with a Dell that turns on but does not give video, I ran the Bios thinking it was going to be solved but no, it has all the voltages 5 Alws and 3 Alws, but I was checking the schematic and in pum01 I have no signal on the pin #7 (S3) which is the DDR_VTT_ON signal of 0.6v, can anyone help me?...
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I was checking the schematic and on pum01 I have no signal on pin #7 (S3) which is the 0.6v DDR_VTT_ON signal, can anyone help me?...
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Need boardview asus e402ya rev 2.0...Leave a comment:
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hello good morning,
still the same error...Leave a comment:
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BACKUP...Leave a comment:
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Hi, need bios dell inspiron 3493
The device turns on, flashes 3 amber and 5 white.
Tag: 9W9T723
Board: FDI55 LA-J081P
Rev: 1.0Leave a comment:
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Need BIOS EC + MAIN, PLEASE da0ax1mb6f1 rev fLeave a comment:
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good day
I replaced the IC but it still has explosion, what could it be?...Leave a comment:
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Good, excellent,
I will repair the PCB to install the IC and will let you know.
So shouldn't I be worried about pin 1 and pin 2 having continuity?...Leave a comment:
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good morning now
measure the resistances of pins 12 and 13
pin 12 = 7.6 ohm
pin 13 = 10.2 ohm
I was checking pin 1 and 2 and I have continuity. It is normal?
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in the screen printing it is PU4401...Leave a comment:
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Lenovo S410P charging IC
GOOD DAY,
I NEED HELP SOMEONE KNOWS WHAT CHARGING IC HANDLES THIS BOARD, IT IS FROM A LENOVO S410P, BUT I REMOVED THE INTEGRATED ONE AND IT IS IN VERY BAD CONDITION YOU CAN'T SEE THE LETTERS.
IT'S A "BQ"... -
NEED BIOS LENOVO S410P PLEASE.Leave a comment:
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