Recent content by hamed57

LOL, Thanks anyway.

Thanks for the quick response. It seems that the slot closer to the keyboard is not working well. Is it fixable?

Hi, I have a 820-3115-B board. It does not registers the RAMs. Sometimes it boots up and works perfectly until I move it or pinch it! As soon as I move it the screen glitches and hangs on me. It's not the RAMs. I tried different ones. Motherboard does not have any sign of liquid damage or...

Do you mean I should replace the SMC?

Hi, I have a liquid damaged board 820-2936-B. After ultrasonic cleaning it looks good and board turns on with or without battery. It stays on for about 30 sec to 45 seconds. Sometimes it stays on long enough to have the OS up. (It has a SSD drive) But it suddenly turns off by itself and don't...

Hi, No continuity between PPBUS_SW_LCDBKLT_PWR_SW and pin 2 of l9701. No continuity between PPVOUT_SW_LCDBKLT_FB and pin 2 of l9701.

Hi, I don't know where can I get the measurement for "Diode mode on the BKL output line" I did the diode mode between pin 21 and 22 and the ground and voltage drop is 0.605v The is no short on D9701

I did it before replacing the u9701

I have replaced the u9701. Same result! no backlight but I have image

BKL_PWM: 3.290v BKL_EN: 3.100v

Hi, Thanks for the reply, I have image on the display. There is continuity between cathode of D9701 and ball A5 of U9701.

I have a macbook pro 13" with no backlight. Everything else is working well. My measurements: backlight fuse: 12.55v LVDS pin 21 and pin22: 12.54v C9020 pin1: 12.52 C9020 pin2: 0.0 Board looks good under the microscope. I ultrasonic cleaned it and I slightly reflowed U9701. Any hint at this...