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  1. peeka79

    820-00928 Shows Low Battery icon and Only Boots in SMC Bypass Mode

    Hi Guys, I am working on a Customers 820-00928 board that will not power on and shows Low Battery icon. Machine Boots up in SMC Bypass Mode but does not see any battery? PPBUS_G3h is 13.02V With Battery Connected while running in SMC Bypass mode and PPBUS_G3h is 12.58V while machine is off and...
  2. peeka79

    820-00165 No Backlight But Has image

    Hi, I have a 820-00165 that has No Backlight but you can see the image with a Light flashed from Rear. There was Corrosion under the Backlight Driver Near A5 ball so I Replaced LP8550 and Backlight Fuse but still no Backlight. ANY help will be GREATLY APPRECIATED...Thank You
  3. peeka79

    820-00281-A Getting 19.90V Fans Spinning But not Posting

    Working on a 820-00281-A A1707 that is getting 19.90V on USB-C Meter and 1.2 amps...it has No Video either on Display Or External Display...You can hear the Charging sound whenever you plug in the Charger but No Video. Caps Lock reacts when fans are spinning but Not Posting. Here are some...
  4. peeka79

    820-00138-A Will not Boot off internal SSD But shows in Disk Utility

    Hi, I have a 820-00138-A board that has NO liquid Damage or no known or observed physical damage of any kind...Boots to Mojave just fine using external USB Hard Drive and once booted sees and will erase Internal SSD in Disk utility... I wiped internal SSD while running Mojave from external...
  5. peeka79

    820-00426 has Green Light that turns Orange But no Fan Spin Not turning on.

    Here are Some Measurements PPBUS_G3H 0.975V with Board plugged in PPBUS_G3H Diode Mode -0.927V PPP3V42_G3H 3.4V PP5V_S5. 0.942V R7029 (Pin 1) 3.39v (Pin 2) 3.4v C7505 Pin 1. 0.942V iSL 6259 4.8 Ohms Between pins 17&18 23.2 Ohms Between Pins 27&28 Any Help is GREATLY APPRECIATED
  6. peeka79

    820-00281 Not turning on...No Liquid Damage

    Hello, I have a 820-00281 that has No Liquid Damage at all and Will Not turn on...Board reads 19.94V - 10mA to 61mA... Here are some Measurements I have taken with the Board out of the Machine. PPDCIN_G3H = 20V PPBUS_G3H = 12.56v PP3V3_G3H = 3.39v PP5V-S5 = 5V PP5V_S4 = -0.00V PP5V_S0 = 0.012V...
  7. peeka79

    820-00281-A A1707 with No Chime Or Display But Fans Spin

    Hi Guys/Gals, I have a 820-00281 A1707 that is getting 19.91V On ampMeter and 1.2 amps at start up...it has No Video either on Display Or External Display...You can hear the iPhone Charging bling whenever you plug in the Charger but No Video...Also the caps Lock light comes on when fans are...
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