Activity Stream
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Older Activity
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Yesterday, 08:52 AMTry replacing the SMC again. I recently had a 820-3209 board (mid 2012 air) that had some troubles when starting up, or it froze after a minute....4 replies | 62 view(s) -
12-12-2019, 03:59 PMThis case is liquid damaged 820-00239 broad where the pp5V_S0 is in diode mode 0.047V or in resistance mode to ground 78ohm. So I think leak is...0 replies | 11 view(s)
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12-12-2019, 07:44 AMWell after another clean at a higher temperature and for longer PM_SLP_S4_l is still only 1.5v.7 replies | 54 view(s)
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12-12-2019, 06:05 AMlmazzoli replied to a thread 820-3115B slow ASD error NDC001 in Mac Computers and Motherboard RepairReplaced the ROM efi with a clean one... now I don't get video except if I bypass SMC. Same behavior with the original ROM, no more video except...4 replies | 62 view(s)
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12-11-2019, 04:48 AMResistance to ground is 19.73k, diode to ground is 0.44. Resistance to ground is 20.32k, diode to ground is 0.44 on a working board7 replies | 54 view(s)
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12-10-2019, 08:57 AMWhat resistance for PP5V_S0?7 replies | 54 view(s)
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12-10-2019, 05:38 AMAlready been done, I will try it again7 replies | 54 view(s)
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12-09-2019, 09:33 PMUltrasonic board, probably corrosion under cpu/pch7 replies | 54 view(s)
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12-09-2019, 07:04 PMResistance to ground is 71k, diode to ground is 0.45. Same as a working board7 replies | 54 view(s)
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12-09-2019, 09:27 AMsargfowler replied to a thread 820-4924 is trolling me with ALL_SYS_PWRGD in Mac Computers and Motherboard RepairDoes U1950 look OK? This takes in ALL_SYS_PWRGD and is often damaged. I'd take a closer look at 1V8S3_PGOOD too. Do any of the other PGOOD signals...1 replies | 29 view(s)
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12-09-2019, 09:16 AMWhat resistance do you get on PM_SLP_S4?7 replies | 54 view(s)
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12-09-2019, 07:23 AMHAnilsen started a thread 820-4924 is trolling me with ALL_SYS_PWRGD in Mac Computers and Motherboard RepairHi. I have a Macbook that's trolling me when I'm trying to fix it. The Macbook is breaindead. It goes into an S0 state, but the CPU isn't getting...1 replies | 29 view(s)
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12-08-2019, 02:31 PM820-00165 with PM_SLP_S4 at 1.5v, all other G3H power rails present except 5v S0 which is at 2.5v. I tried removing R7551 - no change, reflowing...7 replies | 54 view(s)
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12-08-2019, 07:15 AMlmazzoli replied to a thread 820-3115B slow ASD error NDC001 in Mac Computers and Motherboard RepairNo, still the same. My other concern come from the fact that fan never speeds up like it should once the other periferall like kb and tp are...4 replies | 62 view(s)
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12-07-2019, 10:55 PMIf you disconnect camera, does the board works okay?4 replies | 62 view(s)
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12-07-2019, 04:53 AMI got this previous liquid damaged machine back after 6 months of normal usage. The machine runs slow at boot and after logon as an effect of a...4 replies | 62 view(s)
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12-05-2019, 12:17 AMmitchW started a thread MacBook Pro 15 Mid 2010 (820-2850) max capacity RAM module in one slot in Mac Computers and Motherboard RepairHi, I am dealing with strange issues on one 820-2850 board. It will randomly freeze and then reboot. When it heats up a bit, it can work with no...0 replies | 34 view(s)
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11-29-2019, 06:07 PMwiderstandproject replied to a thread 820-2914 Stopping Short on pin 2 L9560 PP1v5_S0_ISNS_R in Mac Computers and Motherboard RepairWhat about he MUX ic? Have you inspected it yet? Try to tap it with finger when you see distorted image.1 replies | 68 view(s)
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11-29-2019, 06:05 PMwiderstandproject replied to a thread 13" A1708 retina LCD problems - Colors inverted, screen burn in, flickering. EDID problem? in Mac Computers and Motherboard RepairFind the ROM on the TCON and replace it with a broken LCDs. Hope it can be done. Or just use your card of the antireflective coating issue repair...3 replies | 76 view(s)
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11-29-2019, 06:03 PMwiderstandproject replied to a thread 820-01041 A1990 15" 2018 - Screen and board question in Mac Computers and Motherboard RepairLCD is compatible but is without the True Tone setting. Trust me it is struggly to repair even with all available resources in an authorized service.4 replies | 134 view(s)
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11-28-2019, 04:29 PMgreekhero replied to a thread 820-01041 A1990 15" 2018 - Screen and board question in Mac Computers and Motherboard RepairHi Guys, thanks for your reply. Finally got the system going, seems you both were incorrect: 1. System does boot without the touchid; charging...4 replies | 134 view(s)
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11-27-2019, 08:30 PMBilliboy71 started a thread PS4 Temperatur Profil for HT-R392 in Play Station Reflow - Reball - SMD solderingHello I need a Temperatur Profil for HT-R392 too Reballing PS4 APU. Can any Help?0 replies | 42 view(s)
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11-27-2019, 08:31 AMI had one like this, it turned out to be PCH1 replies | 58 view(s)
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11-26-2019, 03:30 PMkjchatman replied to a thread 820-3115 showing color test patterns in Mac Computers and Motherboard Repairi have several 3115 boards and the panel works fine with the others boards. i've changed the lvds connector and tested continuity with pin 17 & 18...3 replies | 61 view(s)
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11-26-2019, 11:36 AMandromedax replied to a thread 820-3115 showing color test patterns in Mac Computers and Motherboard RepairHave you tried other good lcd panel? Most of lcd panel have an input for test. Google for "LCD Panel Self Test Enable". Probably panel is in...3 replies | 61 view(s)
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11-25-2019, 11:58 PMJohn626 replied to a thread 820-3115 showing color test patterns in Mac Computers and Motherboard RepairNever heard of that before has the bios been messed with ?3 replies | 61 view(s)
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11-25-2019, 01:58 AMkjchatman started a thread 820-3115 showing color test patterns in Mac Computers and Motherboard Repairthis board will post and boot up into the OS but i get no image. it only shows a rotating test pattern on the screen. i've replaced L9080 with no...3 replies | 61 view(s)
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11-22-2019, 03:30 PMi've ultrasonic cleaned this board and all the rails appear to be there. ppvcore cpu is .8v with ram installed but i get no mouse activity the...1 replies | 58 view(s)
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11-22-2019, 09:37 AMvapeatl replied to a thread 13" A1708 retina LCD problems - Colors inverted, screen burn in, flickering. EDID problem? in Mac Computers and Motherboard RepairI heard from others that this type of thing can happen when EDID is still readable but corrupted. I don't know if it's true though. Either way, I...3 replies | 76 view(s)
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11-22-2019, 05:02 AMJohn626 started a thread 820-2914 Stopping Short on pin 2 L9560 PP1v5_S0_ISNS_R in Mac Computers and Motherboard RepairTrying to gain some traction on this board that had video problem , I have good known chips so I still work on these. 820-2914 Replaced Video...1 replies | 68 view(s)
