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History little liquid damage U7840 area and U5110 orange light present tried good audio board, cable, magsafe know SMC_ONOFF_L 3.391V PP3V3_S4 0.080V PP3V3_S0 3.305V PP3V3_S3 0.023V PP5V_S5 5V PPVRTC_G3H 3.304V PPBUS_G3H 8.53V PP3V42_G3H 3.395V SMC_ADAPTER_EN 3.39V SMC_RESET_L 3.363V...

Board no power on green light and orange light present but after few seconde return to green light and orange light again Tried good magsafe 45w, io board and cable good know PPBUS_G3H 8.53V PP3V42_G3H 3.42V PP3VRTC_G3H 3.29V ALL_SYS_PWRGD 0V replaced R7121, 7122 of U7100 because value too...

Board no liquid damage, seem very clean, tried good hard drive flex cable and hard drive with os x installed good know hard drive turn, and screen with "?" PP5V_S0_HDD_FLT 5v present

History board begin by no green/orange light, find short on ppbus replace u7000 burned and Q7035, and replace smc because battery not charging, so now board green light/orange light and only error in picture. noticed if i unplug battery indicator orange light present, if i plug battery...

board no liquid damage if i unplug flat cable board startup correctly chime and display just slow and fan full speed (good dc board et flat cable know, real charger), how to proceded ?

Board was little liquid damage U7100 area cleaning and replace corroded components, Good charger know, PP3v42_G3H 2.9V and PPBUS_G3H 12.22V already check U7000 area Noticed voltage on F6905 20V is not too high ? red area in picture heat

Board looks very clean no green light and orange light PP3V42_G3H present PPBUS_G3H 0V resistance to gnd 0,5 mohms check U7000 area 17/18 27/28 fine real charger 85w good know, tried magsafe board good know

Board work very well, but no camera, and automatic brightness on screen/keyboard, manual control work good, connector and cable looks fine pins of J3502 6: 5V 5: 3,3V 4: 3,3V 3: 0V diode mode : 0,540V cable connected 2: 0V diode mode : 0,540V cable connected 1: GND L3507 checked camera...

Board was little liquide damage U5400 area and U3890 area PPBUS_G3H, PP3V42_G3H, PPVRTC_G3H fine. other area very clean First I have pin 6, 5 of U6100 pulse, tried flash with good rom know 2936-B board (I've backup original rom), voltage after flash was good, after tried with original bios...

Board was liquid damage smc area and spi area, begin no ppbus i replace smc now i have 12.60V, PP3V42_G3H fine after PPVRTC_G3H pulse, replace U2600 and cleaning area now 3V stable now fan spin 1 sec and stop loop already check spi terminaison, R7402/03 fine ALL_SYS_PWGD 0V when fan no...

https://www.youtube.com/watch?v=twHCu36--I8 probably fake, solder wires around mux area + extraction gpu

Begining problem ppbus_g3h 10ohms, so injected current and find Q7550 bad, replace and now board start up no chime (just beep when remove memory) already tried memory on another board 820-2915 and work no display on internal and external monitor cpu heating, vcore present problem possible...

Board was liquid damage find U9410 burned, i've replaced U9410 liquide damage U3890 area ((replace chip and capacitors coroded) green light, orange light present u7000 17/18 and 27/28 checked smc_bc_acok 3.35v smc_onoff_l 3.48v smc_adapter_en 3.48v smc_reset_l 3.50v ppbus_g3h 12.60v...

green light and orange present, no power on from battery and charger ppbus_g3h 16.60v pp3v42_g3h 3.42v smc_reset_l 3,42v smc_on_off 3,42v smc_bc_acok 3.31v good charger and battery know,

Good magsafe board and charger 85W guenine know PPDCIN_G3H 16.8V PP3V42_G3H 0V (resistance line to GND 284 ohms) PPBUS_G3H 0.710V Already checked 17/18 27/28 of U7000

no liquide damage, just customer used magsafe 45W, no power from charger and battery PP3V42_G3h present 3.41V and ppbus_g3h 0.6V tried magsafe 60w same pb already checked U7100 pin 17/18 and 27/28, smc_bc_acok 3.3v

removed L6995 and short to gnd pin 2 (PP3V42_G3H) Inject voltage with psu on pin 2 of L6995, 1V nothing heat resistance to gnd pin 1 of Y2815 10,9 mohms and pin 3 9,9 mohms probably bad Mcp ?

liquid damage on keyboard only board looks very clean, keyboard connector clean PP3V42_G3H 3,47V PPBUS_G3H 12,60V SMC_ONOFF_L 3,47V R5710 1K R5070 8,36K voltage pin 5 of J5713 3,47V try 3 good keyboard good know tried short R5016 no power, just power on if plug charger

Need clean me https://drive.google.com/file/d/0B_BTnX3sdBEWTEF3Sm5FNk56Zkk/view?usp=sharing

Another board with liquide damage, work with charger only (tried another charge of course) PPBUS_G3H 8.5V only with charger present with battery or not diode mode pins 4 5 of J6950 without battery 0.469V pins 1235 no voltage present R5380 and R5381 2K voltage with battery pin 6 0.6V...