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Hi, I have this macbook where I don't see images but the backlight is active because the display, despite being dark, can be seen that it is illuminated With an external monitor it works

pin 2=0.160 pin 12=330 pin17=0.150 pin 19=0.063 pin 20=0.064 pin 26=0.717 r7191 ground in pin 1-2

i have short in r7191 u7100 pin 1=0v pin 2 = 0.2v pin 3 =0.2 pin 9=0v pin 12=3.4 pin 13=3.3 pin 14=0 pin 15=0.1 pin 17=0 pin 19=4.8 pin 20=5.3 pin 27=0 u7100 is very hot

aesthetically it doesn't look burnt

veleus are same 0.12

i have this board with this values PPBUS_G3H=0 PP5V_S5=0 PP3V3_S5=0 PP3V3_S40=0 PP3V3_SUS=0 PP3V3_S3=0 PP3V42_G3H=3.4 I have P5V1_BIAS in short advice?

hi I have this board with a little oxide on u3220 I tried to clean it but nothing no green light, no orange light no PPBUS_G3H on F7140

find it c6996 in short

3V3_G3H is in short in diode mode is 0.013

PPBUS_G3H=0.3 3V3_G3H=0

hi I have this board with these values Power 5.12 0.01A PP1V8_S5G 0 PP1V_OPC_S0 0 PP3V3_S4_WLS 0 PP3V3_S5 0.7 PP3V3_S5G 0 PPVCCCPU_S0G 0 PPVCCGT_S0G 0.3 PPVCCIO_S0G 0 PPVCCOPC_S0G 0 PPVCCPCH_S5G 0 PPVCCSA_S0G 0 PPVTT_S0 0

smc nothing does not turn on all big coli give me 0, a few salt for half a second but then it goes back to 0 only L7130 stays steadily at 12.5

I said that badly sometimes not always if I press the power button the right fan starts spinning for less than a second but it doesn't turn all the time it just hints at turning

I tried with a pch taken from another mac but same problem. as soon as I press the power button the right fan spins for a second and then stops and does not turn on

but with pch disconnected shouldn't it turn on? what other measurements can i do?

Hi, I have a 820-3787-A board that won't turn on the customer tried to replace the battery but he mounted the flat j9510 upside down I tried to do some measurements and the row of capacitors c9321 c9322 etc sometimes sounds short to me but not always. Green and orange light with fans stopped

PP1V05_S0=0 PP1V05_S0GPU=0 PP1V2_S0=0 PP1V8_S0=0 PP3V3_ENET=0 PP3V3_FW_FWPHY=0 PP3V3_S0=0 PP5V_S0=0 PPBUS_G3H=12.5 PPDCIN_G3H=16.5 PPVCORE_GPU=0 PPVCORE_S0_CPU=0

Hi I have this board with small water damage I cleaned the board well but it still doesn't want to turn on the green and then orange LED

i removed r8102 and i shorted on pin 4 PVCCIOS0_CS_N

with 1.2V cpn does not heat