Question about Volfenhag ZX-7180 Car Audio Amplifier

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Can't take apart

How to remove main board

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What sort of trouble are you having getting it out?

Can you send me a photo of the insides?

Posted on Oct 13, 2008


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Samsung y board I'm replacing the main Y board on a Samsung plasma. I cannot get the connectors to come apart from the buffer board. These are the white connectors. How do these come apart?

Some have 2 tabs on the short sides. Some have 1 tab on the long side. Some just need to be lifted evenly. Some need a pin to push in the tabs before lifting. Get yourself a magnifying glass and look very carefully before removing, you don't want to break these connectors. Some are NOT removable, be carful!

Nov 29, 2016 | Samsung Televison & Video

1 Answer

Blinks red wont come had it diagnosted tech says main board

I had same problem with my Hisense TV. I replaced the "Main Board" and it's working fine. I took the TV apart and got the part # off the main board and checked ebay...found one! Good luck.!!

Apr 09, 2013 | Panasonic TC-P42X1 41.6 in. Plasma HDTV

1 Answer

The brightness/contrast adjustment screen pops up randomly and often. It then scrolls through the 3 options and the only way to remove it is to turn off the monitor. How do I make it stop?

Sounds like your buttons are stuck. Try loosening them up by pressing them, then popping them out again with some sort of pin or needle.

If all your buttons seem fine and pop in and out normally, then its probably a problem with the connection between the button board/strip and the main board of your monitor. If its an LCD, I would suggest opening it up and checking out the cable between the button board and main board. If its a CRT, I would just try and find a free one on craigslist.

If you feel adventurous and want to open up the LCD, I'd unplug the monitor. Then be sure to ground yourself and get rid of static electricity by touching some metal object near you. Then take apart the monitor and take a look at the cable between the button board and the main board. Unplug then plug it back in again. Also check for any folds or nicks in the cable. Then put it back together and try it.

To open it up, you need to first remove the stand, then unscrew all screws on the back, then pry apart the casing at the seam with a small flat-screwdriver or something like that. That should get you into the casing, then you just have to look around and see where to go from there. You may have to remove other covers to get to all the cables. Also, I wouldn't touch the cable between the monitor and the main board, just in case.

If you're not comfortable doing that, then find someone with experience in fixing or opening electronics and/or PCs. Good luck, hope it works out!

Feb 15, 2010 | Dell Computers & Internet

1 Answer

Accidently knocked projector and it has got lines accross the picture about every inch or so when viewed on 6 foot screen lines go vertical top to bottom

first reset the settings to factory default. if the lines are still there, you'll have to reset the dmd chip board with the main board. this is a little indepth. if you are not comfortable taking things apart (almost completely) and successfully putting them back together, send it in for repair to an infocus repair center. if you can do it, here you go:

remove the 4 brass and 4 silver screws from the bottom and the 2 silver screws from the back. through the top vent on the back panel and using a flat head screwdriver, unclip the 3 clips holding the back panel on. once removed, unplug the 2 wire harnesses. remove the top and front panel. now unplug the large wire harness and remove all the brass screws on the 2 power supply boards (also the screw for the ground wire). there is a black clip in the middle of the larger power board. remove the boards. now remove the brass screws holding the metal plate on. unplug all of the plugs from the main board. remove the screws from the board. now, facing the rear of the machine, the main board is attached to the dmd chip board behind the lens assembly under the heat sink. do not lift the board up from the back, pull it back towards the rear of the projector away from the dmd board. now reinsert it all the way and replace everything you removed in reverse order. good luck!

Dec 02, 2009 | InFocus X1 Multimedia Projector

1 Answer

How do I remove the ice/water access panel on GE Profile fridge? The ice dispenser, water dispenser, and all lights stopped working.

First, open door to freezer, while pushing in on the ice dispenser trigger look at the lights in the freezer and see if they go dim, if they do then the "main board" on back of frig is defective. This is a common problem with these boxes. Its somewhat uncommon for the ice, water and light to go out at the same time, its possible, but not common.

Another way to tell if main board is bad is when you do as stated above and you hear the evap fan stop then main board is for sure bad.

Let me know what you find out. If main board then I will need model & serial number to give you the right part number for main board.

If none of the above occur, then advise and I will tell you then how to pull dispenser apart.

Oct 09, 2009 | GE Profile PSW26P Stainless Steel Side by...

1 Answer

Phone is dead, battery fully charged. Need instructions on how to disassemble the phone to look for obvious problems.

From the back of the phone, remove 1 screw @ the top/center. Take the battery cover off, remove the battery. Remove 4 screws. With a medium size blade
screwdriver, gently pry the case apart at the battery charger hole. Just pry the plastic, not the connector case. Then with a very thin precision blade screwdriver, work your way around both sides of the case. Note: there is a connector that goes to the display portion of the phone. Once the case is open, gently pry the connector of the main circuit board. There will be a keyboard cover, 2 side button plastic pieces, 2 side button circuit boards, the top plastic cover, and the bottom main circuit board.

Good Luck

Jul 13, 2009 | LG VX5400 Cellular Phone

1 Answer

I dropped my hp photosmart m627 and now it says lens error m627-31 when i turn it on - can this be fixed?

The only fix I kow of is to take the camera apart and set the gears on the lens correctly. You are going to need a small set of phillips and stright screw drivers, and a soldering iron.The back comes off easy enough, the next thing it to remove the screws on the back of the main board. the screws on the top function board. and then unsolder the two tabs on the top of the main board that connects to the battery compartment. Be sure to unsolder the correct ones. Once this comes off the camera lens is pretty easy to figure out. Just take the motor and gear section apart and set it correctly. I have done a few that when I just turned the barrell of the lens, I heard a snap and it worked fine. You may have to take it apart. If you need more help contact me at cwradio73 at

Jun 15, 2009 | HP PhotoSmart M627 Digital Camera

1 Answer

2002 Toyota Highlander AC main control

Before tearing out the AC control, does the temp knob feel loose or wobble alot more then the fan knob? If so pull the temp knob straight off. Look at the small nut around the shaft the knob came off of. Its common for them to come loose. Just tighten it up some and reinstall the knob. Your temp will work normally now.
This fix is for the manual system not the auto ac system.

Mar 28, 2009 | 2002 Toyota Highlander

1 Answer

The menu doesn't work

I think switch board connector is misaligned in main board and causing no function of above said buttons.
If you are familiar with camera repair then apart camera and check flexible switch board connector in main board, better to remove and put back in with care.

Feb 02, 2009 | Sony Cameras

2 Answers

No responce, breaker is o.k.i have power to unit.

before trying something bigger - take the thing out of the countertop & lay it upside down on a towel. Take apart the 10 or so short phillips screws around the periphery which hold the bottom cover on. Lift the cover up JUST A BIT (several connections between the halves) and you will see a ribbon connector between the circuit board that is the "touch sensor" panel under the glass and the main power switching controls. Try taking apart each end of the ribbon connection a few times and "cleaning" by going off & on the pins. The connector is very similar to that on a computer HD - just less pins. This procedure worked fine for me & brought evertything back to normal!!! Be careful putting things back together that all the high voltage wires are correctly routed and the 2 grommets inside the control box go back into place. This will all make sense when you open things up. Good LUCK! /KRK

Apr 30, 2007 | Dacor Millennia ETT365 Electric Cooktop

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