Question about LG PHILIPS LP156WH1(TL)(A3) COMPATIBLE LAPTOP LCD SCREEN 156 WXGA HD GLOSSY CCFL (654367710340)

2 Answers

The small white connector that attaches to the motherboard from the screen (the one that has two leads going to the screen and two to an led mounted to the left of the keyboard) fell apart when being removed. The screen is cracked and being replaced. What is the pinout for this small connector? The actual connectors are still attached to the wires but the white holder is broke. I can reattach the wires to the pins but don't know which one goes where. In the repair manual, this is called the webcam module cable.

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  • thomason845 Mar 19, 2011

    No that is not the one. The connector I am talking about attaches to the motherboard under the keyboard. It has two leads that go to the screen assembly and two that go to an led to the left of the keyboard. In the repair manuals steps for replacing the screen, this connection is labeled 'webcam module cable'. I assume the led to let the user know the webcam is on.

  • thomason845 Mar 19, 2011

    I can't tell if my reply to your solution went through or not.

  • thomason845 Mar 20, 2011

    I will do that after I get home.
    Thanks

  • thomason845 Mar 20, 2011

    The only picture I have is on page 58 of the repair manual in this pdf filehttp://h10032.www1.hp.com/ctg/Manual/c01...

    This photo shows the leads going to the webcam (step 3, location 4) but not the associated LED. The socket and plug are 4 pin and I have 4 wires. Just need to figure out where they go.

  • thomason845 Mar 20, 2011

    Thank you for responding. I have to put in a long day today at work and it will be late tonight before I can take another look at this laptop. I will also try to get the motherboard model number before I contact you again.

  • thomason845 Mar 21, 2011

    I believe the motherboard # is 578228-001. The leads from the webcam are both black. From the LED, one lead is red and the other black. I have not been able to find a schematic of the MB.

  • thomason845 Mar 21, 2011

    model: G60-535DX
    ser #: 2CE9470B5N
    prod #: VM085UA#ABA

    Your correct. The plastic that held the leads broke and I need to know where the webcam and LED leads attach to the socket. The connectors are still on the ends of the leads so I can slip them on the socket pins if I know where each one goes.

  • thomason845 Mar 22, 2011

    A good picture of an intact connector would be great but I don't have one. Any way to get one that you know of? Any way to get the pinout of the socket?

  • thomason845 Mar 22, 2011

    How do I include a photo in a message here?

  • thomason845 Mar 22, 2011

    Here are the photos of the socket and leads. The black leads go to the camera. The red and black to the LED.

  • thomason845 Mar 22, 2011

    I can't get a better photo then what I have sent you. Camera on phone will not focus that close. I have been searching for more info myself and it appears to me that the leads from the camera connect to the "bottom" two pins (the ones toward the front of the laptop). I THINK the red LED lead connects to the top pin with the LED black led connecting to the 3rd from the bottom. I looked (need a magnifying glass) but could not see any indications of + or - connections. I have not removed the PCB completely so I could be missing something.

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Id di not understand exactly which cable are you talking about. Can you get me an image?

Posted on Mar 20, 2011

  • 8 more comments 
  • eagle338
    eagle338 Mar 20, 2011

    Surething. No problem at all

  • eagle338
    eagle338 Mar 20, 2011

    Ok. Now I got the idea. But I cannot get an image of the connector. Can you tell me whats the color of these wires. And yes that is the webcam LED you are referring to

  • eagle338
    eagle338 Mar 20, 2011

    Surething. That will be all the info I need to provide a solution

  • eagle338
    eagle338 Mar 21, 2011

    Thats the motherboard serial number, Please get me the make and model of the laptop so that I can determine the model no of the same, I understood about the connector you are referring to but the problem here is not where the connector goes but where the wires go into the connector coz its broke right?

  • eagle338
    eagle338 Mar 21, 2011

    Ok. Its a Intel G40 express chipset. I have the port mapping document with me right now and all I need right now is a picture of the connector and we can finish this thing

  • eagle338
    eagle338 Mar 22, 2011

    Yes I have seen on the intel website a document regarding the pinouts and that is why I just need the colors of the wires to tell you which one goes where. The site also says that the 3 and 4 series chipset pot pinouts are same as Express 965 based chipsets. Anyways get me a picture of the broken connector and the wires. I will mark the pinouts for you

  • eagle338
    eagle338 Mar 22, 2011

    Do not use the reply button. Instead click on the Add Comment button in the upper right corner of the page. When the comment box opens it will have a pictures button just click on it , browse for the image and upload

  • eagle338
    eagle338 Mar 22, 2011

    Thanks for the pic. I am about to log off now and I will get you the piouts as soon as I log back in. Its beeen a really long day for me

  • eagle338
    eagle338 Mar 22, 2011

    So this is the one you are referring to. Look on the board for markings. The red wire is the + terminal of the LED and the - is the negative terminal of the same. If you can get me a high-res picture(So that I can read whats on the PCB) I can mark the leads for you because there are three black leads and I wouldn't want you to plug them in the wrong port

  • eagle338
    eagle338 Mar 23, 2011

    Yes I have a pinout here and it says the same thing, but I would like to be absolutely sure. If you can borrow a camera over the weekend or something and get me the picture, that would be great. This thread will remain open so you can take your time

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I'm not so sure that is a webcam lead as you think. In http://ecx.images-amazon.com/images/I/51CJH8OoM%2BL._AA1024_.jpg is the cable you speak of there? 2 lead with connector? That would be the power supply for the screen back-light and the connector should only plug in a specific way.

Posted on Mar 19, 2011

  • Bryan Daugherty
    Bryan Daugherty Mar 19, 2011

    Oh my. Hm. I see your predicament a bit clearer now. There are things I would do but I couldn't even begin to tell you to do them. :( Risky, especially if it's not your machine you are fixing. My apologies.

  • Bryan Daugherty
    Bryan Daugherty Mar 19, 2011

    It's risky.. and I by no mean insist you do this.. but I would test the voltage on that lead... compare it with what I can visually see on the layout for what is Pos and Neg and put it in there as such. It IS possible to figure out what lead goes to what spot. Just takes effort. I'm sorry but that's about as helpful as I can get without being there to look at it


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