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  1. A

    820-00165 wont load past apple logo

    Thanks working fine now.
  2. A

    820-00165 wont load past apple logo

    Hello, I have 820-00165 motherboard that won't load past apple logo. Maybe someone can upload clean me bios file? Thanks.
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    820-3476 power cycling

    Hello, I have liquid damaged 820-3476. Which is power cycling. Vcore is present It seems that spi_mlb_clk and spi_mlb_mosi only present when board is turned off. When it trys to turn on I get 0v on those. Any ideas what going on? Bad traces?
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    820-3115 no vcore

    Liquid damaged. Had short on pp5v_s5 and t29 circuit. Now fan spins but no vcore. all_sys_pwrgd missing too. What should I look next?
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    820-3437 wont boot

    Thanks. Works perfectly now.
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    820-3437 wont boot

    Hello, I have 2014 820-3437 motherboard that won't boot. It turn ons and loads loading bar to full and then stucks. I seem that someone was messing with bios. Found solder balls around bios chip. Tried new bios with clean me but still wont turn on fully. ( Found bios on internet so no idea if...
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    820-3208 chimes no video/image/backlight

    Works another LCD. Thank you.
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    820-3208 chimes no video/image/backlight

    Macbook chimes but no image or backlight. ppvcore_s0_cpu_ph1 - always present ppvcore_s0_axg_r only present for 10-15s then drops to 0v and never comes back. What should I look for first?
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    820-3023 keyboard not working.

    Case closed. Keyboard wasn't connected.
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    820-3023 keyboard not working.

    Hello,I have old 2011 820-3023 motherbaord that keyboard isn' working. Trackpad works fine. Good known keyboard,cable and trackpad. j5700 voltages when cable is connected. 1. 3.308v 2. 3.277 3. 0v 4. 0v 5. 3.089v 6. 0v 7. 0v 8. 3.309 - drops to 3.23v and then jumps 3.3v 9. 3.308 - drops to 3.23v...
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    820-3208 long beep

    Had liquid damage around smc and backlight driver. Now having long beep every 7-9 seconds. 1.353V on L7330 Is this board junk?
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    820-3476 cpu vcore 1.759V

    Liquid damage. had missing u7090 pin and crap under smc. After fixing u7090 and smc macbook turned on. No idea what happened but now all rails fine only cpu vcore 1.759V Tried replacing u1900 and u1950
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    820-3332 pulsing rails

    No liquid damage. Green/orange light. Had short on pp3v42_g3h. ppbus = 12.57v - stable g3h = 3.402V -stable ppvrtc = 3.337v -stable pp5v_s5 = 5.03v -stable pp5v_sus = 5.03v pp3v3_s5 = 3.337v All other rails when charger connected pulses. Seems no short to ground.
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    820-00165 pulsing rails

    Thanks for help. Was bad u1950.
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    820-00165 pulsing rails

    Steady light if disconnect/reconnect. With new bios still the same.
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    820-00165 pulsing rails

    Found shorted cap C7553 Now fan spins but nothing on screen. no image/backlight Now itt takes 0.24A. cpu vcore 1.7V all other rails are present. tried pram reset nothing. usb mouse light up replaced u1900 still the same
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    820-00165 pulsing rails

    cpu vcore always stays 0v
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    820-00165 pulsing rails

    Green/orange light no liquid damage. It takes 0.02 amps and then jumps to 0.04a. And cycle repeats ppbus = 8.60v g3h = 3.445v always stable. ppvrtc = 3.343v pulses to 3.421v pp5v_s5 = 5.05v pulse to 3.80v pp5vs4rs = 0v pulses to 0.038v pp5_s0 0v pulses to 0.351v pp3v3_s5 = 3.342v pulses to...
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    820-00164 ppbus_g3h = 0.918v

    Case closed was bad q7180. Thanks.
  20. A

    820-00164 ppbus_g3h = 0.918v

    Video is there(on battery mode). Using genuine magsafe 2 No liquid, i get 3v42 on charger mode r7012 = 67.5k R7180 = 99.5k R7181 = 61.5k r7185 = 468k r7186 = 330.2k u7100 17/18 2.8ohm, 27/28 20.6 7100 pin 2 = 16.37v pin 3 = 4.38v pin 9 = 0.032v pin 12 = 3.418v pin 13 = 3.381v pin 15 = 0.05v pin...
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