Search results

Hi i will check tomorrow but im sure thats the fuse even when doesnt turn on that is 8. something volts I'm just wondering if its a bad cap somewhere

Hi yes original charger Light comes on either time but when put in say 1st time in the day fan no spin Don't know if its any connection but PP5V_S4RS3 when fan doesnt spin has 0v When take magsafe and replace it back is 5v Seems like something needs to be charged up first

Hi sorry about that Seems with no battery Like when charger is plugged in doesn't power up But if you take it out an put back in powers up Seems like needs a kickstart

Hi Hope you can help A1466 2017 MODEL POWERS UP BUT LIKE IT NEEDS CHARGER PUT IN THEN NO POWER TAKE CHARGER OUT AND BACK IN POWERS UP BUT I DID NOTICE 2 CAPS ON PPBUS_S5_HS_COMPUTING WHEN DOES NOT POWER UP VOLTAGE DROPPING C7323+C7324 BUT OTHER CAPS WHICH ARE PPBUS_S5_HS ARE FIXED AT LIKE 8.29V

ok thanks so possibley dead for some other reason and the T2 being and audio failure so a total scrapper

Hi Have redone the u7100 hopefully its soldered ok not my strongest point using hot air on ics Nothing on ppbus c7140 is a dead short

Checking on my working unit that should be 3.2 fixed i believe pin 33 on diode mode(squeeler) settles at 0.17

Hi testing on r6959 3.2v but seems to cycle 3.2v then 1.74v

Hi Will do a test tomorrow i have a feeling someone removed a connector or something on audio board and left battery connected according to repair wiki PPBUS_G3H should be 12.6v

Hi i will do that But was powering up and everything yesterday but today doesnt power up at all and only shows 5v on usb tester so must have a failure on something So from working but no sound to not working so needs to get power back first

PPBUS_G3H when i go between C6482 1 side isground 1 side is ppbus I get 12.17v

Hi Do you happen to know where the protection circuitry is on this As this morning i have no power when i plug into my usb tester is only staying at 5v not switching and not pulling any amps I wonder if a fuse has failed Also strange thing on the other 1 i have that works even with that...

Hi sorry yes you are correct Have changed audio board if you mean the board which has the jack socket on it I havent changed the 2 flex cables yet When i put replacement board in still no volume But unsure if speakers are working If i put headphones in can hear sound the audio board looked...

Hi Macbook a1279 Have changed audio board but not cables yet No audio but if you plug in a pair of headphones sound seems fine Any idea Doesn't seem any corrasion but havent removed the board yet No audio out of either speaker Did see a note on wiki about T2

No i havent opened any other yet

thx i will check just have to order a replacement as all the legs fell off lol any idea on the 2 other a1466 They are both intermittent work sometimes

Hi Have removed u1900 was 2 pins short on there via solder bridge just wondering if to buy a replacement or refit it

Hi no voltage on ppbus_g3h checking on the fuse 3.3v on pp3v42 i will check I will also look as i have 3 of these with 3 issues

Hi Folks I have 3 of these lousy macbook air 2017 models 1st 1 did have a light but no more this was the readings before i lost charge light PPVRTC_G3H should be 3.3v is 2.7v R6125-R6120 BOTH MISSING R6121 + R6126 BOTH MISSING OR REMOVED RTC_RESET_L – 2.7V PCH_SRTCRST_L-2.7V...