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I have an 820-02016 which initially came in because they said it needed a new battery. Tested and it won’t go to 20v, just sits at 5v. Amps go up to .240-250 and cycles off. Both ports do the same in both rotations Tested with a known good battery with charge and it powers on perfectly but...

Liquid damage around J5100 and some on the LCD connector on the screen end. Removed J8500 ribbon as that was burnt at the screen end. Replaced the ribbon. ( PP5V_S0SW_LCD pin was burnt at screen end ) No short on this line. Cleaned area around J5100, connected board to a good lcd to test...

Tiny amount of liquid damage in J4802 area, C6526, C7602 area and U8210 . Cleaned desoldered etc 20v 0.000-0.009v Checked with S-UEM2 and tests fine. PP3V3_G3H_RTC_X = 3.365v PPBUS_G3H = 12.51v PP0V8_SLPS2R = 0.788v PP1V1_SLPS2R - 1.095v PP1V8_SLPS2R = 1.788v PPVDDCPU_AWAKE = 0.747v...

Failed charge port - chewed up pins Changed the port but nothing past 5v - tested port on known good board and the port is fine. Checked CD3215B01 and LDO_BMC = 0v Changed CD3215B01 and still the same... changed again in case it was faulty chip.. still the same. Checked further and all LDO...

Hi, I have a liquid damaged 820-01958 that is stuck at 5v with 0a PPBUS_G3H:12.21v PPDCIN_G3H: 5.16v PP5V_G3S: 0v PP5V_S5_LDO:0v PP3V3_G3H: 0.949v PP3V3_G3H_RTC: 3.269v PP1V8_G3S: 0v Any help would be really appreciated

Hello, I'm stuck as I have an A1708 which powers up fine on the charger alone but won't boot if the battery is connected. I've tried a known good battery but still no change. On USBC alone, F7000 is 13v On Battery and USBC F7000 climbs from 11v to 12.96v and drops back in a cycle roughly every...

I have an 820-00928 that when plugged in jumps from 5v to 20v and pulls up to 1.8a but then reboots the charger back to 0.2a. The screen shows the battery and then goes off again when the charger drops back to 0.2a Does this on all 4 ports. I've checked U3100, U3200, UB300, UB400 and the main...

Hello, I have an 820-01700 that won't power on. No signs of liquid. Just stopped charging. With the board out, on 3 of the ports I get 5.12v 0.37-0.39a and the 4th port (left side front) I get 5.14v but only 0.13a. With the 3 ports I get 12.2v constant on PPBUS but 0v on the low port. If I...

I have an 820-00840 with no backlight. Tried multiple screens but no difference. Took the board out and it seems that Q8400 is getting its 12.9v PPVIN on pin 4 but the hate voltage is also 12.9v on pin 3 so isn't opening. I can't seem to figure out why pin 3 isn't dropping. The resistance...

Hello, does anyone know a way around the function key mapping issue on replacement keyboards? This A1932 has a replacement keyboard but without access to the AST 2 server, I can't see a way around getting the function keys to work again. Just to be clear, the keyboard isn't faulty, its just...

Hello, I have an 820-00928 with 20v and only 0.04a which jumps to 0.40a and back again every 15 seconds. No obvious signs of liquid and wont start on SMC bypass Testing board on the side only with only a dc in board connected, I get: PPBUS_G3H = 12.52 PP3V3_S0 = pulsing ALL_SYS_PWRGD =...

I've spent the last week trying to sort my sons brand new Acer laptop for a charging issue after liquid damage. Originally it wouldn't turn on but I found shorting caps on the 19VB_CHG circuit. Replaced those with the same and the laptop fired up fine, works on charger or battery but won't...

I have an 820-3115 liquid damage around SMC. Originally no magsafe light. Removed and reballed SMC, now I get magsafe and fan spin with the fan at full speed after 5 seconds. CPU has a little heat in it after a min or so. ALL_SYS_PWRGD = 3.29v PPVCORE_S0_CPU = 0.00v I'm stuck with this one...

Hi I have an 00875 board with an exploded C7222. Removed the capacitor and others around it on PPBUS_G3H_CPU. PPBUS_G3H_CPU is still shorting to ground with them removed but I can't locate the short anywhere. Its 0.000v on diode mode. I've tried a little voltage an some alcohol to see if...

I have an 820-00165 with no fan spin after liquid damage. Orange light and SMC reset goes green and back to orange. Liquid damage around U5110 cleaned up. PPBUS_G3H = 8.52v PP5V_S5 = 4.98v PP3V3_S5 = 3.32v PM_SLP_S4_L = 0v SMC_PM_G2_EN = 3.4v PPVRTC_G3H = 3.3v PM_DSW_PWRGD = 3.4v PP3V3_SUS =...

Hi I have a liquid damaged Air with no display. I've changed over a slightly burnt LVDS connector, change a couple of ugly looking caps and replaced U7701 and tried another screen also. I'm still getting no backlight and I'm stuck. I'm getting a display though 8.5v on L7701 LCDBLT_BOOST 8.5v...

Hi, I have an A1706 that has been given a little drink at the side of the keyboard right where the SSD chip is. Turns on but doesn?t see the SSD I took the board out and cleaned the small amount of crap near the SSD. Put the board back in and checked it. Now it sees the SSD, boots and runs...

Hi, I have a 820-3437 MBA that came in as not turning on. (no liquid damage but just didn't turn on one morning) Found a shorting cap C7431 (PPBUS_S5_HS_COMPUTING_ISNS) Thought it was going to be very easy as it was replaced and diode tested okay. Turns on now and boots, sees the battery serial...

Hi, I have a 00875 thats had liquid damage over the U7650 side of the board. After going through the UC, the laptop started from the battery and got into the OS but I walked away and came back to it turned off. Not sure if the battery is drained or something else. I don't have a spare battery...

I have an 820-3115-B with a intermittent fault. It always turns on with a charged battery but doesn't always charge the battery. When it doesn't charge, theres no green or orange light. When it does charge, it shows orange light as normal. I've noticed that if its in a charging kind of mood...