I'm trying to remove the DM module from a Mitsubishi DLP, model WD52725, and I'm stuck.
I removed the back cover and the rear plate. I removed the four screws that secure the electrical chassis, and I can move the chassis back a few inches. I don't see how to remove the modules. Do I have to remove the whole chassis? Does it come out from the back or through the front?
If anyone has worked on one of these sets and knows how to remove the DM module, please post the instructions. I would be very grateful.
remove the back, remove the rear plate. ther's a screw in the back center of the chassis ,that screws to the bottom, gotta come out. slide the whole thing out VERY carefully, and as you do, you will need to unplug a connector or two. draw a picture so you don't screw up. There are several wire(s) and bundles that must be loosened (untwist the little white plastic nylon cable routing holder downers to get enough slack top slide the chassis out VERY carefully until the module can be removed.Again draw a picture, take a picture whatever so you fon't forget where/how it all was before yiyou started. Fix it. the
4 caps are usually the prob. INSATLL the PC board FIRST, make sure you line it up correctly and it should, with a little down pressure, snap into place. don't make a mistake here. Then carefully slide the metal box back over the whole thing ang put it all back together.
ixoye, thanks for your reply. I've made some progress but I still have a problem and I am asking for your help.
I have the chassis slid out most of the way but I just can't see how to remove the DM module. Do I have to remove the shield or take out the module next to the DM module? If you can give a little detail about how to get the DM module out I think I'll be able to do it.
Did you try the service manual? I purchased it for about $24. It gave detailed instructions on removing parts and instructions for cleanning the mirrors and lense. Currently moving and have stuff boxed. If i come accross the manual i will post what instructions . I down loaded the manual online. i agree with above.....don't force anything and take digital pictures along the way. good luck
I downloaded the full service manual. It clearly shows Cabinet Disassembly and Electrical Chassis Replacement, but it doesn't show how to remove the modules, and that's where I'm stuck.
I just disassembled this beast myself. I also bought the manual, but it stops at getting the chassis disconnected. What you need to do is remove the chassis from the set all together. You need to disconnect all the connectors (they are all labeles :) ), then you need to remove the chassis. Once out, you need to remove the vent intake, and the fan shield. Then you sidconnect the PWB board from the chassis, then disconnect the PWB FMT board, then you will have access to remove the PWB DM board. I noticed there is another set of (4) 1000=B5F caps on the PWB FMT board, and I plan to replace those as well as the (4) on the PWB DM board.
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