Magone bpr40 - How do you remove the Board from Metal back plate. All Screws are now off of board, But still not coming apart.
I have removed All Screws from Board, but am thinking as long as the Volume Pot and Channel Pot are Soldered to the board it will not allow me to pull apart from the back plate? I am trying to fix one of the battery contacts on radio that retracts to come back out, so I can get the radio to turn on.
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Re: magone bpr40 - How do you remove the Board from Metal...
Great question! Clear and easy to understand! The volume and channel switches likely have a metal "O" ring that screws down on the threaded switch and holds the top of the radio to the housing. Remove the knobs, then use a really small flathead screwdriver, insert it into a notch in the "O" ring and unscrew. Be careful and you should be fine. If not, get it to a radio repair shop.
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On some sets the cables need to be removed before the metal plate will come off. If this is the case the top connector will release the ribbon cable by carefully flipping the black plastic piece down. The bottom connector has two points on the sides of the cable that need to be compressed to remove the cable from the T-con. The metal plate is having a resistance of removal due to the heat sink pad. A slight even pulling pressure will separate the two without damage, Hope his helps. :)
Remove the 4 screws in the side with a Phillips precision screw driver. Very small. Pry the 2 halves apart carefully. 2 small button size batteries and probably a metal clip will fall out. The clip looks like a figure eight. Replace the batteries with 2 Energizer 357/303 batteries. Place the metal clip back with the indentions up. You will see where it goes when you get it apart. The batteries will go on top of the clip with 1 battery plus side up nearest the on switch and the other battery plus side down. When you put the 2 halves back together it should come on. Mine did. Don't over tightened the 4 small screws
Hi Caicoj, first unplug the unit. In the back of the refrigerator you will find a metal plate with about 8 screws. Remove the screws to access the control board. Each plug on the control board is different in size and you should be able to remove all of them by just pulling on it. Remove the old board and install the new one. Reconnect the wire harness making sure they are the right size harness for the plug and reinstall the metal cover then you are done. Plug the unit back in and enjoy. Good luck.
At our repair shop we use a very mld cleaner that we get at a local "dollar" store. I think because it is so cheap it isn't strong enough to hurt anything. We spray them from afar with a light mist and then use a old toothbrush to scrub tough areas.
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!
Remove the bottom base according to user manual, clips into the bottom, pinch them together with your finger under the base. Then remove hinge cover in back of panel by popping off the plastic cover with a flathead screwdriver. Then remove the 4 screws holding the metal plate. Under the plate are two screws. remove them and then carefully pop the case open. The 2 screws are the only hard fixed part holding the case together, plastic snaps hold the rest. Also remove the 4 screws in the back of the unit. Remember where everything goes, write itdown, there are several plugin modules you will need to remove when disasembling.
You will have to disassemble the unit. 2 screws on 1 side and 1 on the other and 2 on the bottom, pop the back off, being careful of the 2 ribbon cables attached to the rear and unock these cables and remove. 3 screws holding the top circuit board (remove the eye piece first and unplug the 2 cables attached to it) carefully unplug all cables attached to this top board and unscrew and remove (there is one on the bottom of the board that you must flip to unlatch. After you remove that board there is the power board... BE CAREFUL!!! The flash capacitor (the black tube looking unit on the bottom of this board) stores chrge and you WILL feel it if you touch the terminals... it they touch metal you will see fireworks so be careful. unplug the single red and black wire plug and unscrew the 3 screws here You do not have to remove the white plug with the 4 or 5 wires because you can just flip the board over out of the uni.. BE CAREFUL!!. unscrew the 2 silver screws securing the metal plate underneath and remove this plate. now remove the single screw left and pull out the lens assem. Here check 2 places... 1 is he zoom screw (it is behind the long silver panel) and also the focus screw (behind the shorter metal panel. Do one at a time. remove the screws from one of them and carefully lift off the motor plate. for he zoom line to metal ring on the screw into the groove of the lens (Shaped like a V) carefully screw the screws back in bu d ni tighten to tight, leave a LITTLE slack. (1/8 turn from tight). Now for the focus screw, remove the cover and align the ring to encase the top of the V The ring is shaped like < the lens is a > so just allow the rinng on the screw to "pinch" the top of the lens groove. secure like you did the other plate (dont forget to back out 1/8 of a turn) reassemble the opposite of disassembly and you are done... it look hard but it is actually pretty easy... any uestions email me at email@example.com
Remove battery cover and battery. There are four small screws visible on the rear cover, remove those. Wiggle and distort the back cover a little at the bottom of the phone until it pull partly free from the phone, slide a guitar pick or small flat blade screwdriver between the phone and the rear cover, at the side of the phone, pry this cover off until it snaps free. You will see the main board now. Remove the two screws holding this board on, carefully fold it back towards the battery area. The main ribbon cable is visible now. Remove a green tape on the socket where the ribbon cable joins the board. pull the ribbon away from the board gently and use a screwdriver or something else to cut the adhesive between the board and the cable. The socket has a hinged brown piece closest to where the cable comes in, that flips up to release the cable. The small cable coming from the number pad is removed by gently prying up the rectangular connector from the board. Now with the board free you can remove six screws from the plastic backing plate, and remove that plate from the slider assembly (one of the screws is hidden by a piece of green tape). On the front half of the phone there are six small screws on the rear side (the camera side). Four are visible, two are hidden behind rubber plugs at the top of the phone. Separate the chrome trim from the backing plate by starting at the bottom of the phone, by the key pad, and it may be stuck from a little day-to-day dirt but separate it there, then swing the bottom end out and release the front cover from the two clips that hold the top end together. You now can separate the ribbon cable from the screen assembly in a similar way as you did with the other end of the cable. Reassembly is the reverse of disassembly. Be sure to replace the pieces of tape, and the wire mesh shield attached to them, they serve to prevent radio frequency interference between parts of this device, and between this device and others.