User contributions for ASRepairs

14 October 2023

• 14:4114:41, 14 October 2023 diff hist +123‎ MacBook Pro A1989 PP3V3 G3H short repair ‎No edit summary
• 14:4114:41, 14 October 2023 diff hist +881‎ N MacBook Pro A1989 PP3V3 G3H short repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Missing PP3V3_G3H on A1989 MacBook Pro thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *Not charging ==Solution== ===Diagnostic Steps=== ==== Shorted CD3215 ==== Inject 1V to the shorted rail and check with thermal camera which component is heating u..." Tag: Visual edit
• 14:3214:32, 14 October 2023 diff hist +125‎ MacBook Pro A1990 Charger stuck at 5V repair ‎ →‎Solution Tag: Visual edit
• 14:3214:32, 14 October 2023 diff hist +133‎ MacBook Pro A1989 Charger stuck at 5V repair ‎No edit summary
• 14:3214:32, 14 October 2023 diff hist +4,776‎ N MacBook Pro A1989 Charger stuck at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== The charging circuit on the MacBook Pro A1989 is not communicating with the charger to send in 20V. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== * On most cases, the board will not power up. * No charging ==Solution== ===Diagnostic Steps=== ====Check voltage on PPBUS_G3H==..." Tag: Visual edit
• 14:2014:20, 14 October 2023 diff hist +123‎ MacBook Pro A1989 Not turning on, short on PPBUS G3H repair ‎No edit summary
• 14:1914:19, 14 October 2023 diff hist +807‎ N MacBook Pro A1989 Not turning on, short on PPBUS G3H repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Repair of a common short on PPBUS_G3H on an A1990 MacBook Pro thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== * MacBook not turning on. * Less than 10 Ohms on PPBUS_G3H as measured with a multimeter (short) * Very low current draw from the charging port at 5V ==Solution== ==..." Tag: Visual edit
• 13:2313:23, 14 October 2023 diff hist −2‎ MacBook Pro A2338 Not turning on, 0.00 - 0.05A current draw at 5V repair ‎ →‎Repair Steps Tag: Visual edit

11 October 2023

• 16:4316:43, 11 October 2023 diff hist +107‎ MacBook Pro A1990 Not turning on, with trackpad vibrating repair ‎No edit summary
• 16:4316:43, 11 October 2023 diff hist +928‎ N MacBook Pro A1990 Not turning on, with trackpad vibrating repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== The MacBook seems braindead because the trackpad is reacting for 20-30 sec and then it stops and On again. On the USBC multimeter we see boot looping from 0.06 to 0.14, at 0.06 the trackpad is not vibrating and on 0.14 is vibrating. Randomly the MacBook starts but for no obvious reason and works fine, once shut down it will not restart File:Placeholder imag..." Tag: Visual edit
• 16:3616:36, 11 October 2023 diff hist +133‎ MacBook Pro A1990 Question mark folder repair ‎No edit summary
• 16:3616:36, 11 October 2023 diff hist +674‎ N MacBook Pro A1990 Question mark folder repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Question mark folder, no external boot possible & Recovery does not work on A1990 MacBook thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Question mark folder *No external boot possible *Recovery does not work ==Solution== - Check U9080, U9580, U9000 & U9500 and SSD power ra..." Tag: Visual edit
• 16:3416:34, 11 October 2023 diff hist +48‎ MacBook Pro A1990 Not turning on, drawing 0.00A - 0.02A at 20V repair ‎No edit summary current
• 16:3416:34, 11 October 2023 diff hist +952‎ N MacBook Pro A1990 Not turning on, drawing 0.00A - 0.02A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== A1990 MacBook not turning on, drawing 0.00A - 0.02A at 20V, PP3V3_G3H_SOCPMU present, but PPVCCPRIMCORE_PRIM_REG and therefore PP3V3_S5 missing. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Not powering on *Missing PP3V3_S5 and PPVCCPRIMCORE_PRIM_REG voltages *Only drawing..." Tag: Visual edit
• 16:2916:29, 11 October 2023 diff hist +123‎ MacBook Pro A1990 Not turning on, drawing 0.11A at 20V repair ‎No edit summary
• 16:2916:29, 11 October 2023 diff hist +641‎ N MacBook Pro A1990 Not turning on, drawing 0.11A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== A1990 MacBook not turning on and only drawing 0.11A at 20V thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *current draw of 0.11A at 20V as shown by USB-C meter ==Solution== PP2V5_NAND_SSD0 can be shorted (in this case, PPBUS_G3H luckily didn't go to S..." Tag: Visual edit
• 16:2616:26, 11 October 2023 diff hist +133‎ MacBook Pro A1990 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair ‎No edit summary
• 16:2616:26, 11 October 2023 diff hist +449‎ N MacBook Pro A1990 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No power, taking 20V and 0.014A, PP1V8_SUS shorted thumb|(Figure 1) PMIC and PCH ==Symptoms== *MacBook not turning on *PP1V8_SUS shorted ==Solution== In this case PCH and PMIC to do. Usually if the board is taking 20V and 0.01A ~ 0.025A there is a problem with some of the PMIC's voltages. See Figure 1" Tag: Visual edit
• 16:2516:25, 11 October 2023 diff hist +27‎ N File:PMIC + PCH A1990.png ‎No edit summary current
• 16:2016:20, 11 October 2023 diff hist +133‎ MacBook Pro A1990 No image, EDP PANEL PWR EN missing repair ‎No edit summary
• 16:2016:20, 11 October 2023 diff hist +438‎ N MacBook Pro A1990 No image, EDP PANEL PWR EN missing repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== A1990 MacBook taking 20V and 1.4A at the first kick then 20V 0.9A and the current was dropping down to 0.8A -> 0.6A -> 0.4A thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *No image on LCD ==Solution== Bad GPU, solved with GPU replacement." Tag: Visual edit
• 16:1816:18, 11 October 2023 diff hist +123‎ MacBook Pro A1990 "Braindead" repair ‎No edit summary
• 16:1816:18, 11 October 2023 diff hist +531‎ N MacBook Pro A1990 "Braindead" repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Any shorted subrail on A1990 machines can cause the machine to hang on POST. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook hanging on POST ==Solution== * Thermal imaging can reveal abnormal heat caused by a shorted component. * This condition is most frequently..." Tag: Visual edit
• 16:1516:15, 11 October 2023 diff hist +125‎ MacBook Pro A1990 No image repair ‎No edit summary
• 16:1516:15, 11 October 2023 diff hist +994‎ N MacBook Pro A1990 No image repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the MacBook does turn on but there is no image on the LCD. Backlight may be present but the screen is black thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *No image on LCD ==Solution== * Check the LCD cable and the connector on both the screen side and the logic board..." Tag: Visual edit
• 16:1116:11, 11 October 2023 diff hist +159‎ MacBook Pro A1990 No backlight repair ‎No edit summary
• 16:1116:11, 11 October 2023 diff hist +1,796‎ N MacBook Pro A1990 No backlight repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Identifying and solving backlight issues on the A1990 MacBook, as well as similar boards from 2016-2020. A MacBook Pro with no backlight on the display is experiencing an issue where the screen remains dark even though the computer is powered on and operational. This means that while the computer itself may be functioning, the display is not emitting any ligh..." Tag: Visual edit
• 16:0716:07, 11 October 2023 diff hist +125‎ MacBook Pro A1990 Battery not recognized repair ‎No edit summary
• 16:0716:07, 11 October 2023 diff hist +675‎ N MacBook Pro A1990 Battery not recognized repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== MacBook A1990 not recognizing the connected battery thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *Battery not recognized/charging ==Solution== * First, '''try a known good battery.''' ** If it doesn't work, check the battery cable going to the boa..." Tag: Visual edit
• 15:5915:59, 11 October 2023 diff hist +123‎ MacBook Pro A1990 Charger not turning on USB-C meter repair ‎No edit summary
• 15:5815:58, 11 October 2023 diff hist +1,469‎ N MacBook Pro A1990 Charger not turning on USB-C meter repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When charging the A1990 MacBook with a USB-C charger and measuring the input current and voltage with a USB-C meter, the meter does not even turn on at all or 0 current. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *All voltages missing. *Not chargi..." Tag: Visual edit

7 October 2023

• 20:0020:00, 7 October 2023 diff hist +1,535‎ N Template:Note ‎ Created page with "<languages/> <onlyinclude>{{#if: {{{1|{{{content|{{{text|{{{demo|<noinclude>demo</noinclude>}}}}}}}}}}}} | <templatestyles src="Note/styles.css" /><div role="note" class="note note-{{#switch: {{{2|{{{type|}}}}}} |gotcha=error |warning=warn |notice=info |=info |#default={{{2|{{{type|}}}}}} }} {{#ifeq:{{{inline|}}}|1|note-inline}}">{{{1|{{{content|{{{text}}}}}}}}}</div> | File:OOjs UI icon lightbulb-yellow.svg|18px|alt=<translate><!--T:1--> Note..." current
• 19:4119:41, 7 October 2023 diff hist +123‎ MacBook Pro A1990 Charger stuck at 5V repair ‎No edit summary
• 19:4119:41, 7 October 2023 diff hist +3,728‎ N MacBook Pro A1990 Charger stuck at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== The charging circuit on the MacBook Pro A1990 is not communicating with the charger to send in 20V. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *On most cases, the board will not power up. *No charging ==Solution== ===Diagnostic Steps=== ==== Check voltage on PPBUS_G3H =..." Tag: Visual edit
• 19:3719:37, 7 October 2023 diff hist 0‎ m MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎ →‎PPBUS_G3H Short or absent Tag: Visual edit
• 19:1819:18, 7 October 2023 diff hist +123‎ MacBook Pro A1990 Not turning on, short on PPBUS G3H repair ‎No edit summary
• 19:1819:18, 7 October 2023 diff hist +803‎ N MacBook Pro A1990 Not turning on, short on PPBUS G3H repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Repair of a common short on PPBUS_G3H on an A1990 MacBook Prothumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *Less than 10 Ohms on PPBUS_G3H as measured with a multimeter (short) *Very low current draw from the charging port at 5V ==Solution== === Sh..." Tag: Visual edit
• 19:1419:14, 7 October 2023 diff hist −6‎ m MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary Tag: Visual edit

6 October 2023

• 16:5416:54, 6 October 2023 diff hist −62‎ RepairWiki:Create ‎No edit summary Tag: Visual edit

1 October 2023

• 15:5515:55, 1 October 2023 diff hist +117‎ MacBook Pro A2141 Not turning on, drawing 0.00-0.30A at 20V repair ‎No edit summary
• 15:5415:54, 1 October 2023 diff hist +2,602‎ N MacBook Pro A2141 Not turning on, drawing 0.00-0.30A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No Power on, 20v and ~0.00-0.3A as measured on the USB-C amp meter, with power cycling on the 820-01700 logic board. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *PPBUS_G3H at 12.5 V *MacBook not turning on *Power cycling 0.00 - 0.30 A at 20V as measured by USBC meter ==So..." Tag: Visual edit
• 15:5015:50, 1 October 2023 diff hist 0‎ m MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎No edit summary current Tag: Visual edit
• 15:4915:49, 1 October 2023 diff hist 0‎ MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary Tag: Visual edit
• 15:4515:45, 1 October 2023 diff hist +56‎ MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎No edit summary
• 15:4415:44, 1 October 2023 diff hist +1,550‎ N MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Facing an issue with the MacBook Pro A2141 (820-01987) displaying 20V and a very low current draw of 0.04 to 0.07A on the USB-C meter. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *PP3V3_S5 and PP1V8_S5 missing *PPBUS_G3H at 12.3 V *Pulling 0.04 to 0..." Tag: Visual edit
• 09:5909:59, 1 October 2023 diff hist +151‎ DustGate repair ‎No edit summary
• 09:5809:58, 1 October 2023 diff hist +1,634‎ N DustGate repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Possible Diagnoses for Green or Purple Vertical bars on the display thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Vertical lines on the screen ==Solution== The most important diagnostic test to perform, is checking to see if the machine properly displays an image on a KNOW..." Tag: Visual edit
• 09:5409:54, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, drawing 0.10-0.15A at 20V repair ‎No edit summary
• 09:5409:54, 1 October 2023 diff hist +2,653‎ N MacBook Pro A2141 Not turning on, drawing 0.10-0.15A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Possible Diagnoses for a 820-01700 with 20v on the charger and 0.10-0.15a as measured by a USB-C amp meter thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on/powering on *All voltages are missing *Drawing only 0.1 to 0.15 A at 20V ==Solution== ===Diagnost..." Tag: Visual edit
• 09:4409:44, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, drawing 0.03-0.08A at 20V repair ‎No edit summary