-
For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.Subscribe Now
Recent content by Lsol
-
L
A1706 820-00923 No boot
BIOS I tired is from fully working mac. No USB activity- Lsol
- Post #5
- Forum: Macbook Logic Board Repair Questions
-
L
A1706 820-00923 No boot
No video, no external video and CAPS lock is not working (checked with external keyboard)- Lsol
- Post #3
- Forum: Macbook Logic Board Repair Questions
-
L
A1706 820-00923 No boot
Please advise what else can I check. Board was damaged by liquid but not a lot. Only couple of resistors were suspicion which I replaced. Boot looks normal now at the beginning - 20v 0.80A..0.90A.. 0.42a and it stops at 0.42A. PLT_RESET_L = 3.3V PPVCC_S0_CPU -1.1v when drops to 0.6v...- Lsol
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions
-
L
A2289 820-01987-06 Liquid damaged
looks like I found a problem-T2 'sandwich' has to be reballed as I can see corrosion under the top T2 chip- Lsol
- Post #4
- Forum: Macbook Logic Board Repair Questions
-
L
A2289 820-01987-06 Liquid damaged
PPBUS_G3H - pulsinng 12.3-12.6v 3v3_s5- 0.003v- Lsol
- Post #3
- Forum: Macbook Logic Board Repair Questions
-
L
A2289 820-01987-06 Liquid damaged
Hello, Please help to find a problem. Corrosion was under U3200 and U6903, after reball got 20v 0.00-0.007A. PP3V3_G3H- 3.3V, PP5V_G3S- pulsing 4.5v-5.1v (diode mode-0.420) L7270: 13.1 Ω, L7210: 3.6 Ω, L7220: 3.6 Ω, L7410: 3.2 Ω L7420: 3.2 Ω, L7702: 49.4 Ω, L8102: 56 Ω, L8100: 0.490 kΩ...- Lsol
- Thread
- Replies: 3
- Forum: Macbook Logic Board Repair Questions