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do you have schematics for 820-00923

thank you i will have to get one bye the way do you have semantics for 820-00923

it was C7421 that was short PPBUS_HS_CPU I DON,T HAVE THAT CAP BUT IT IS WORKING WITH OUT IT CAN I LEAVE IT LIKE THIS

nothing should i run some voltage throw ppbus to get short hot if so how much voltage

what is the best way to find the short on ppbus _g3h

yes I disconnected the battery and i get 3.4v from pp3v3_g3h ppbus_g3h is only 0.086v

i have a 820-00239 it had water damage i get 20v with 19milliamps i have a short on ppbus_g3h can you help

i change the audio ribbon cable with mic but still not working any help

THANKS IT WAS U8020 I CHANGE THE CHIP IT WAS BAD

i have a board with light to no water damage i tested PPBUS_G3H 12.5v PP3V42_G3H. 3.4v PP5V_S5 5v PP3V3_S5. 3.3v PP3v42_G3H 3.4v PP3V3_SUS 0V PM_RSMRST_L 0v SMC_ONOFF_L 3,43v PM_PWRBTN_L 3,42v PM_BATLOW_L 3.3v SMC_ONOFF DOES DROP THEN GOES BACK UP WHEN HIT POWER BUTTON

THANKYOU I took every cap off till I found the one that was short it was one of the big 1206 C8467

At D8410 pin 1 ppvin_sw_lcdbklt_sw with LCD connected is .780 pin 2 ppvout_so_lcdbklt with LCD is .003 I get the same readings with the LCD not connected

This maybe a liquid damaged board works fine with external monitor. but with the internal display i see image but no back light unfortunately i don't nave a test screen or another board to test on U8400 pin1 and 2 LCDBKLT_SW= .1V PIN 5 PP5V_SO_BKLT_D =5V PIN 9 ISNS_LCDBKLT_N=12V PIN 10...

please explain I'm new

have green and amber light no power PPBUS_G3H 8.6v PP3V42_G3H. 3.43v PP5V_S5 5v PP3V3_S5. 3.3v PP5V_S4RS3. 5v PLT_RESET_L 0v PM_PCH_SYS_PWROK 0v SMC_ONOFF_L 3,6v PM_PWRBTN_L 3,42v PM_SLP_S4_L 3.3v PM_SLP_S3_L 3.3v

pin 23 12.6v pin 12 3.4v pin13 1.9v pin22 3.2v pin29 5.0v pin213.4v L7520 IS .353

SMC_PM_G2_EN 3.4v

PPBUS_G3H 12.5V PP3V42_G3H 3.4V PP5V_S5 5V PP5V_S3 3.4V PP3V3_S5 0V PP5V_S4 0V THANK YOU FOR YOUR HELP

thanks Q7925 had some broken traces

yes i change cable u3440 pin 1 pp3v3_s3 = 3.2v pin 2 = 0 pin3 ap_reset_l = 3.3 pin 4 = 0 pin 6 ap_pwr_en = 3.2v everthing else = 0