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No image on screen, BUT with external monitor its working 100% fine
SINCE I do not have same MBP A1502 screen to test and check if its BAD screen. Is there any other test that I could make?
Can I test an old A1278 screen on this model to check?
Any other method to test before going...
This iMac is with white screen of death and I just bought a K2100 to solve this issue
However when dissambly I break 1 cap (C3634) and had to put back R3604.
Not sure if I damage anyother thing. However I did a GOOD visual inspection and didn't find anything
Now it only has 1 LED...
Customer told Coffee was dropped on it. Actually it looks really clean.
However I noticed that if everything is plugged it gives me 5.15V on the power cord amp meter PPBUS = 0v.
If I unplug that cable which connects the sound and I guess the power button to the board itself it goes to 20V...
I have this Macbook Pro 820-4924 which doens't have image/backlight. Below are some measurments
SMC_LID = 3.38v
PPBUS = 12.53V
1 = 0V
2 = 0V
3 = 12.43
4 = 12.53
5 = 0V
6 = 0V
DIODE MODE READINGS PIN 3/4 LCD CONNECTOR 0.484v
REPLACE THE IC WITH A KNOW GOOD ONE STILL NO...
I went to youtube and saw this video
Bought the 3 MOSFETS and went to replace it. However when removing the last one on the top right. I actually removed the middle ground pad. Not a bad thing but made me resolder it again 3 times. I think now its perfectly working.
The problem is that I...
I 820-00615 not turning on
PPBUS_G3H = 8.58
PP5V_S5 = 5.04v
PP5V_S4 and S0 both turn on and after some seconds turn OFF
FAN SPIN start normally and after some seconds it stop but its not QUARTERLY FAN SPIN.
I already reballed the SMC and it had a lot of gray pads
HISTORY: Customer had a...
iMac 820-4668 No Power
Only FIRST LED showing up
PP12V_G3H = 12.05V
Replaced the SMC same behavior
Power Rails as below
PP12V_G3H = 12V
PP12V_S5 = 12.05v
pp5v_s5 = 5.1v
PP3V3_S5 = 3.29V
pp5v_s4 = 5.1v
pp3v3_s4 = 3.29v
pp12v_s0 = 12.05v
PP1V2_S3 = 1.18V
pp3v3_s0 = 0v