Search results

Was the display changed already?

Each one has series resistors on its output; RR7x2/3, 0 ohm, 0603 in size. Remove the pair for each chip and check if problem persists. BTW, write directly into bottom reply box, instead of clicking Reply button.

https://drive.google.com/file/d/1nvjSmhSf3a1YMIJ4KwIwDXT7S6__gGVn/view?usp=sharing Are you sure the keyboard daughter board is good?

You should try replacing the amplifier chip.

"Faulty UC300?" You already said is shorted. Replace it and check all adjacent components and traces.

I don't have any idea what board do you have. Is so complicated to post 820-xxxxx code???

What schematic using for repair?

RN420-3 shouldn't heat up. These are discharge resistors for 2V5_AWAKE_NAND power rail. Q420 may be shorted, or it receives incorrect enable signal.

Check continuity between LIO thermal sensor (finstack) and MLB.

What is diode mode at PPBUS_AON and 3V8_AON?

SSD still not working?

That is 10uF capacity at 6.3V nominal voltage; 0402 is the package size (dimensions). And you can find it on older boards. There are many capacitors placed, so shouldn't be a problem to use the machine without one. Never buy new ceramic capacitors; just use scrap boards, following schematic and...

You must remove them, can only be tested out of board. Google should show you many methods for MOSFET testing...

Check all adjacent components, following the schematic. Pay atention to its sensors (Q5810/30/60) and their traces.

Q5230/40 are used depending if charging works in buck, or boost converter mode. If you can't test correctly, just replace them.

You should have problems with U5800, or one of its sensors.

This looks good. May have something else damaged on 5V_S2 power rail.

"Couldn't check the charging" ??? Monitoring battery voltage is good enough; it should slowly increase. Tried known good trackpad board/flex?

Test disconnecting camera flex.

Check J4401/2 signals, with touchbar connected. Can you load macOS in safe mode?