my dodge
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Last Activity: Today, 03:32 AM
Joined: 12-03-2018
Location: Persia
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It is Auto Range and the result of this last test was very surprising to me.... -
Surprisingly, in both modes, the probes only display O.L for both requested modes....Leave a comment:
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Yes, definitely
I will check the voltages and let you know...Leave a comment:
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But on the board and of course without a MOSFET, in ohm mode, the value between the source and drain is the same on both sides, approximately 400 kilohms, and for the gate, only when the negative probe is connected to the gate, we have a value of about 5.6 megaohms with the drain and about 4.96 megaohms with the drain, and in the positive probe mode with the gate, o.l is shown....Leave a comment:
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I have already removed the MOSFET from the board and checked it with a multimeter
In diode mode with gate excitation, the source and drain values are the same in both prop positions and are about 0, and again with reverse gate excitation and the MOSFET is turned off, this value becomes a diode, which is o.l on one side and about 0.5 on the other
But in ohm mode, the MOSFET between the drain and source shows about 3.9 M ohm on both sides, which is halved when the gate is excited and the MOSFET is turned on, so to speak, and becomes about 1.5 Mohms.
The MOSFET appears...Leave a comment:
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I reached the [B][URL="https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/196/2251.BQ24780s_5F00_SchematicChecklist.pdf"]BQ24780s[/URL][/B]
IC by following the path of the pq58 ( [B][URL="https://chipmaster.pro/wp-content/uploads/2017/09/TPCA8057-H.pdf"]TPCA8057-H[/URL][/B]
) pins.I reached the [B][URL="https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/196/2251.BQ24780s_5F00_SchematicChecklist.pdf"]BQ24780s[/URL][/B]
IC by following the path of the pq58 ( [B][URL="https://chipmaster.pro/wp-content/uploads/2017/09/TPCA8057-H.pdf"]TPCA8057-H[/URL][/B]...Leave a comment:
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HP ZBook 17 G3 Mobile Workstation LA-C391p won't turn on and the power light is blinking
Hello
I was looking for a schematic or board view but unfortunately I didn't find anything.
By connecting the drain and source of pq58, the device turns on and works perfectly, but the battery doesn't charge, and I don't know the path of the circuit to the MOSFET.
Is the problem with the adapter? Or is there a problem with the MOSFET activation circuit?
Please guide me.
Thank you. -
thanksLeave a comment:
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