Question about Televison & Video
I need a picture of KK-9912L Radio's circuit board. on of power supply wire cut and I don't know where solder it. can anybody help?
If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electric shock. Instead, contact any experienced service technician, or the nearest service center.
Posted on Apr 27, 2013
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Posted on Jan 02, 2017
The Power Supply Board is listed below. Please note, there are 2 models with the same beginning number (PDP4294). Verify your model number before selecting the Power Supply Board as each board is different depending on the model number.
For PDP4294LV use:
Akai PDP4294LV Power Supply Board Replacement
For PDP4294LV1 use:
Akai PDP4294LV1 Power Supply Board Replacement
Posted on Apr 16, 2008
SOURCE: need circuit diagram for bush
Diagrams i am sure as you know are not always easy to come by, at least for free. I see that there are available boards online and a company that will rebuild this model of power board for you in UK. ohmsupplies.co.uk is where it is at. looks like $80
Posted on Oct 16, 2008
Double check all the connections from the AC line and from the power supply to the other circuit boards. The connectors you are mentioning are identical as per the picture below.
If you need a new power supply, you can find one from this link.
Posted on Dec 04, 2009
Testimonial: "I have a few more questions that I would love to ask Jaime867. He produced a drawing of my circuit board within minutes and was a big help. Thanks"
Main AC fuse is encased in the black shrink tubing, labeled with Fx next to two pin white AC input terminal; http://assets.shopjimmy.com/media/catalog/product/cache/1/image/5e06319eda06f020e43594a9c230972d/s/j/sj1av4u20c17400.jpg
Please see my basic troubleshooting guide here:
Posted on Jun 17, 2010
For anyone else with this problem...I ended up getting a replacement transformer from ebay and swapping it out myself.
You have to remove the back panel of the TV, unplug the board from the harness going to it, unscrew the board (both via the set of screws going directly through the board and the set going through the plastic piece on the opposite side that, as far as I could tell, the board is glued to). This plastic piece (running the length of the board) has receptacles for the backlight bulbs, so be gentle getting it in and out. Don't forget the screw in the middle of the board.
De-soldering was a little tricky. My soldering skills are not great, so maybe it was me. But it certainly seemed to be a little challenging to get it all out. Having so many terminals probably didn't help (a capacitor would have been easier). Eventually though, I did get it out. Soldering in a new one was easy. Be sure to check continuity between the terminals of the new part and other parts of the board using the traces as a guide once you're done.
After that, simply re-install the board and put all hardware back in. Like I said before, be sure you re-engage the receptacles of all the backlight bulbs by pushing down at each notch on that plastic part of the board.
Hope this helps someone else...
Posted on Dec 19, 2011
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