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  1. M

    A2338 no backlight.

    No way, I'll use it for spare parts. I know the keyboard, trackpad, battery, speakers, microphones, etc. are all working. So, thank you very much for your assistance. As Dr. Polo would say, case closed. Hahahaha
  2. M

    A2338 no backlight.

    Thanks for answering. I've measured all the connector lines on both the motherboard and the flex cable. Nothing unusual at all. I did find a data line shorted to ground. The UD050 chip, pin 4 goes directly to the CPU. I removed the chip and the line is still shorted to ground. I2C_DISP_BKLT_SDA...
  3. M

    A2338 no backlight.

    Hi everyone, back on the forum. I need your help. I have an A2338 that's driving me crazy. Here's the story. I bought this machine with screen problems. I noticed the flex cable and the connector on the tcon board were burned out. So I replaced the flex cable and tried it with a working LCD...
  4. M

    820-3115 not charging

    data whit out d6950 SCL= 0.545 - oscilating 3.441 and 3,479 SDA= 0.538 - stable 3,476 PPBUS_G3H= 12,28 v
  5. M

    820-3115 not charging

    thank you 2informaticos for your reply. here is the data you request SCL= 0.543 - oscilating 3.445 and 3,479 SDA= 0.536 - stable 3,476 R5281= 1,979 ohms R5280= 1,996 ohms (check again disconnecting BIL cable.), the board is in the desk. the original smc is installed.
  6. M

    820-3115 not charging

    Greetings to all, my name is Jose, I am from Chile. am glad to be in the forum. I need som help. A few days ago I received a 2012 MBP with a short circuit in the PP3V42_G3H line. the short was in the ISL6259, replace it an the board turn on. I connect the screen and everything is fine. the...
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