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I checked the mosfets again and the result remained in Ohms,
I checked Pin#15 with battery it measures about 0.3
Pin#15 and without battery it reaches 2.93
When I repositioned the PQ5404 and PQ5406 mosfet, a symptom was added that I had not noticed, when I connect the charger together with the battery it turns on by itself....
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The drain of PQ5403 is 16V in standby and 15.8 on
The gate voltage of pq5403 is 22.06 in standby and 21.73 on,
I monitored this voltage using the oscilloscope and noticed a very fast voltage drop and instantly the laptop turned off.
The measurements of pq5403
source (1-2-3) RED & drain (5-6-7-8) BLACK: 0.88 Mohms
source (1-2-3)RED & gate (4) BLACK: 114 Kohms
gate (4)RED & drain (5-6-7-8)BLACK: 1.66 Mohms
The measurements in PQ5404
source (1-2-3) RED & drain (5-6-7-8) BLACK: 0.80 Mohms
source (1-2-3)RED &...
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Sorry for not indicating the number of pins, I update the table with the number of pins and their description based on the boardview of the motherboard, the charging IC corresponds to the BQ24780S
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3318073}[/ATTACH]Sorry for not indicating the number of pins, I update the table with the number of pins and their description based on the boardview of the motherboard, the charging IC corresponds to the BQ24780S
...
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I resolder and took different measurements with a different charger, I realized that with the 12 amp charger the charging IC heats up to 48°C, so I decided to try with a charger with less amperage that is enough to keep it on, I put the measurements below.
I also attach measurements with only the battery connected and the laptop always on (I had to turn it on every 1 minute because it turns off)
[ATTACH=JSON]{"alt":"Click image for larger version Name:\timage.png Views:\t0 Size:\t5.9 KB ID:\t3317603","data-align":"none",&q...
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I took the following measurements with the new battery connected just in case, I noticed several details that may be important:
1- the motherboard restarted after several seconds, it did not turn off completely, it just restarted
2- a strange oscillation in the ACDET, it only did it once and then showed stable voltage
[TABLE="width: 172"]
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[TD="class: xl65, bgcolor: yellow"][SIZE=15px][COLOR=black][FONT=Calibri]New Batery + Charger[/FONT][/COLOR][/SIZE][/TD]
[/TR]
[TR]
[TD="class: xl64, align:...
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Bios Work fine, i program with EZP2019 and this works fine...
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Asus FX517ZE-i58G512m
Hi i need Bios From
Asus FX517ZE-i58G512m
MB : DA0NJLMBAE0 REV :E
The orginal Bios NO video...
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Ideapad Y700 NM-A541 Rev:1.0 Does not recognize nvidia GPU
Hello, I have an Ideapad Y700 NM-A541 Rev:1.0, I have repaired it from a short circuit in B+ but now the Nvidia GPU does not recognize me, what could I start measuring?
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