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.
Hello Everybody
Working on no video problem macbook pro 17" 2011 ( I know apple extended guaranty for video issue but no video is out off warranty rules)
Machine turn power on
I can here star dong sound
Mac OS loading and i can up and down volume
No video build in LCD and external display...
Hello everybody;
I m working on A1278 2009 year. Fan noise and CPU usage %100 . When do ASD it shows TS0P unable read error.
Tried;
replaced track pad and cable
replaced bluetooth and wifi cable with know good cable
replaced SMC
same status
where can i check next step?
thanks
Hello;
When power on 820-3437-B 3 short beep error. ( Customer said 1 years ago liquid damaged and cleaned other service and works fine until suddenly stop)
It sounds like memory error and looked for corrosion but cant see and measure ;
PP1V2_S3 = 1.19V
PP0V6_S0_DDRVTT = 0.6V
where can i...
Hello everybody;
I m working on 820-4924 (Retina 13" 2015) no backlight problem, No liquid damage or drop. Tried another known good LCD and data cable.
- F7700 = ok and 12.5V
- Replaced U7700 nothing change
- BKLT_EN_R = 3.3V
- PPVIN_S0W_LCDBKLT_R 12.5V ok
- LCDBKLT_EN_L is 12.5V ( it must be...
Hello Everybody
Magsafe light is green and when battery charging orange but after hit power button orange turn green two second later turn orange not fan spin or anything.
No liquid damage,no drop
When measure
PPBUS_G3H = 12.5V ( when hit power button its start to down until 2v, magsafe...
Hi everybody ;
No corrosion and not dropped machine;
When Push power button fan spins but no sound,no screen,not light on status led and power off and start it self again, if i remove memory,machine beeps and not turn off.
Removed every cable,connectors and pull out board nothing changed.
I'm...
Hi,
Board not turning on, when i check voltage PPBUS_G3H and all main voltage is up and down ( like PPBUS_G3H 8v ~ 12v),
SMC_PM_G2_EN is not stable (0,8v ~ 3v)
PP3V42_G3H stable 3.4v
PP3V3_S5_AVREF_SMC stable 3.3v
replaced U7000,U4900 but nothing change, only when i removed SMC_RESET_L pin...
Hello Everybody
I'm working on 820-3437-B. Machine came my desk doesn't turn on and not fan spining, when i check board too little corrosion around r7520 . after cleaned fan turns on but not chine and nothing screen. When checked voltage
PPVCC_S0_CPU = 0 v
CPU_VR_EN = 0.99 v
ALL_SYS_PWRGD =...
Hello Everybody
I'm working on liquid damaged around EFI macbook PRO, Cleaned and replaced few resistors and capacitors looking bad . Machine starting with out problem but when loaded OS stop working keyboard and trackpad. For example when i push down alt key when starting machine shows boot...