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AOC 2236Vw lamp hookups

Discussion in 'Troubleshooting and Repair' started by Elrynon, Feb 7, 2018.

  1. Elrynon

    Elrynon

    3
    0
    Feb 7, 2018
    Hey all,

    I have an AOC 2236Vw. I had to replace some bad capacitors and like an idiot forgot to take pictures or mark some of the wires. They're the pink/white, blue/black wires for the back-lights. I've scoured google for videos/images/service manual but can't find anything. I've found the service manual for a 2236Vwh which looks identical to mine but for me still doesn't do any good. This is honestly just a shot in the dark because I have no idea where to go from here.

    Yes, I KNOW I should take pictures/mark connections etc. I usually do when working on stuff like this but for whatever reason didn't do so this time. Here's a link to the service manual for the 2236Vwh I found if anyone thinks it will help.

    https://www.manualslib.com/manual/1107718/Aoc-2236vwh.html?page=23#manual
     
  2. Bluejets

    Bluejets

    3,444
    698
    Oct 5, 2014
    Schematics too small to read.
     
  3. Elrynon

    Elrynon

    3
    0
    Feb 7, 2018
    You have to use the zoom feature on your browser. For me in chrome I had to zoom in 250%. It stays clear and easy to read even after zooming in.
     
  4. kellys_eye

    kellys_eye

    4,284
    1,145
    Jun 25, 2010
    Or use the 'magnify' feature available from the top-right of the schematic.

    Where do the pink/white and blue/black wires go? IIRC the pink/white will drive one tube (CCFL) the blue/black another. Polarity is irrelevant.

    Since the outputs are 'protected' you can't do any harm by wiring them accordingly and trying. If the lights don't work the wiring is wrong - simples!
     
    Elrynon likes this.
  5. Elrynon

    Elrynon

    3
    0
    Feb 7, 2018

    Ok cool, I've got this posted on another site and someone else said the same thing. That it doesn't matter what order they're hooked up in. What I was concerned about is in that same service manual a few pages back it says that the pink/white are high voltage and the blue/black are low voltage. I assumed this meant they HAD to connect to the correct header on the board or I'd end up frying/blowing out something.

    Here's two images I found online of them hooked up on some random monitor.
    http://stewartgreenhill.com/articles/lcd-multitouch-table-mark-1/monitorinterior.jpg
    https://i.warosu.org/data/g/img/0620/07/1503272826722.jpg
     
  6. 73's de Edd

    73's de Edd

    2,651
    1,076
    Aug 21, 2015
    Look at this and see if it helps you find your way out of the forest . . . . . . . .

    Pin 1 of connector CN801 to Pin 1 of connector CN802 receives the HV drive to the CCL tube while the pin 2's are current sampled to ground and feedback is sent to the controller IC.

    upload_2018-2-8_6-3-38.png

    73's de Edd
    .....
     
    Last edited: Feb 8, 2018
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