Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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ANALOG/DIGITAL BOARD Just replaced the a/d board as recommended by the repair department.It was a simple process of removing the old and installing the new.Was extremely careful in reinstalling all cables as they were very clearly marked,installing the board in its proper position,plugged in the cable turned on the power.The only thing I have are a clicking of a on/off sound from the power supply,and the status light on the front flashing orange.The dvd ,which played with the old card,does not now play with the new card.Any ideas?I have reset the TV with the reset in the front.Any help would be greatly appreciated

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  • Work It Jun 05, 2008

    My tv is doing the same thing, when turned on it make a click sound and the timer light is flasking green. Any ideas. Please Help!

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Eat ur mom!! XD

Posted on Jun 05, 2008

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How do I install the dbx 2231 EQ


Like any other eq...

Be advised that the engagement of any device in a Tape Monitor loop on a late-model Audio/Video Receiver will effectively tie the receiver down to stereo-only analog sound reproduction. I'll explain.


The connections themselves are fairly simple but it pays to understand what happens in the loop.


In general, any Line-Level external processor (EQ, dynamic range expander, etc) will go into a Tape Monitor loop on a receiver. A Tape Monitor, when engaged, sends the stereo analog signal Out to the Processor, massages it and returns it to the receiver via the Tape Monitor IN connectors to be passed on to the receiver's internal processes (volume, tone, whatever).


Old school analog stereo-only receivers consistently work this way. Newer digital and audio/video receivers introduce a couple of problems: 1) digital sound processing to simulate a variety of soundfields; 2) multiple output channels, either discrete or digitally-generated.


The latter requires that whatever signal is being processed experiences a maximum of one analog-digital-analog conversion.


EVERYTHING analog coming into the modern digital receiver is automatically converted to a digital signal for internal processing unless you choose a STEREO-only or STEREO-Direct setting. Consequently, no further external analog-digital conversions would be allowed if, say, a Tape Monitor circuit was activated, and a possible feedback loop could otherwise be created in a digital-sourced selection (output to its own input), so the unit is wired to treat the Tape Monitor as the first analog step in the process and defeats any pure digital sources.


In a multichannel unit, what would happen to the other channels if you sent ONLY the Front Left & Right out for processing? They would NOT be processed. That logical problem also plays into the decision to defeat digital sources if the Tape Monitor is activated. I don't totally agree with the engineers but that's the way it is. Nature of the digital beast.



Okay, back to the hook-up:


Receiver Tape Out (Rec) - to the External Processor (EQ, whatever) Preamp-, Amp-, Rec-In;


Receiver Tape In (Play) - from the External Processor (EQ, whatever) Preamp-, Amp-, Play-Out.



So, to sum up, you can only use the EQ or any outboard processor for analog stereo sources. If you actually want to use an analog recording deck you could place it within the typical Equalizer's own Tape Monitor loop(s). Many have two to facilitate equalized dubbing between decks.


[Or you could obtain a dbx Program Route Selector (check eBay, I highly recommend the 400x, of which I have two) and it would, while only using one receiver Tape Loop, allow for three discrete attachment paths for processors and three for tape decks with the added flexibility of front-panel selection of any and all, with the processors being before, after or between the source or tape decks. Plus it has a dedicated facility for an inline dbx Noise Reduction Processor that can also be juggled around via pushbuttons. Pretty neat.]

Sep 23, 2010 | DBX 2231 Home Equalizer

1 Answer

What is a analog board ? and is it expensive?


Video Board is divided in 2 sections

one is the ANALOG BOARD an the other one is the DIGITAL BOARD

Analog is the old entry like red, yellow and white cable..


Digital is like for computer adapters and usb


Expensive? mmmm.. is arrowed $60-100 depends where you buy..

here a some images of the analog and digital..

this is depending on you model..

some time the capacitor just blow up..

596b6d9.jpgbdafba1.jpg

Jan 30, 2010 | Samsung 50" Slim-Depth DLP HDTV

1 Answer

Cue button is going faulty


This is a common problem. It's a switch that is soldered onto a circuit board. So, unless you have soldering experience, I do not recommend self-repair.

Contact a qualified service tech for repair.

- OPTiC
Master Tech
Digital Analog Therapy
Pioneer Repair : Pioneer Parts

Jul 06, 2009 | Pioneer CDJ-800 Turntable

1 Answer

I have the same problem with the static and distortion


I can only assume that the unit either produces noise or no sound at all. The DSP board contains all of the digital processing circuits. Even with all surround processing turned of, the signal still passes through this board. It is possible to repair the board, but special tools and techniques are required and most shops are not set up for that level of repair. Unfortunately, the safest option is to replace the board. Inquire whether or not there is a "core" charge. This means that there is some value to the bad board that can be refunded to you upon its return to the manufacturer. With a $300 board, you may be able to recover up to $100 by returning the defective board. Dan

Jun 05, 2009 | Pioneer VSX-35TX Receiver

1 Answer

OT Bobby, I had asked you last week in regards to a JVC Television LT-42X788 with a with faint blue vertical bands screen, hearing sound and backlight working. You said that the problem would be the analog...


Soldering the Connectors will not fix this problem.
...
1. Remove the TV Rear cover.
2. Look at the wires on connected to the top of the middle board (Analog Board)
3. if they are White, this is 98% likely to be the cause of your problem. If the are a Tan/Khaki color these are OK.
4. If Tan/Khaki connectors on that middle board, I would replace the Video Process Board on the far right. Check Option 1 below for where to find boards.

I have a few options for repair of the white connector situation:

OPTION 1
Buy the board on Ebay making sure you dont get one with the white connectors. You can use a board from the 42" and 47 inch versions of this TV. X688, X788, XM78 and I think they had a few others. Also, call JVC they may sell it to you. If not companies like Vance Baldwin or Aarons may sell it to you. This may be 40-140 depending on where you get it. The part number is on the sticker label printed on the board....not the generic label silkscreened onto the board.

OPTION 2

Middle Board, Top Right connector. Remove the wires from the connector on the middle boards side and solder them directly to the board without the connector. This will not be as easy as it sounds. If done incorrectly, the problem will continue. If done correctly you will fix it. Also, take a look at the ICs at the top toward the connector and the similar ones along the board. Double check these to make sure they dont have any OBVIOUS damage. By Obvious I mean completly blown up or holes in them. Based on your symptom I am 98% sure it is the white connector thing but you never know.

I hope this helps and good luck. Also, unless you have a GREAT soldering Iron I don't necessarily recommend 2. These PWB have a large ground that transfers heat well. You can burn it if using the wrong IRON or TIP. 600Fahrenheit max for Lead free Solder no more :).

May 24, 2009 | Televison & Video

1 Answer

A Samsung Tv model #HLN5065W


Model # HLN5065W Digital Main Assembly Board should be part # BP94-00385A. Here's a link to a major Samsung distributor:

Samsung HLN5065W Replacement Part Digital Main Assembly Board

***There's also a manufaturer's notice: If you replace the digital main board (BP94-00385A) you must replace the main analog board (BP94-00434A) per mfg bulletin# ASC20040728004.***

Samsung HLN5065W Replacement Part Main Analog Board

Dec 30, 2008 | Samsung HLN5065W 50" Rear Projection...

6 Answers

Replacing the digital board: bp94-02084a


Dfutch,
Actually replacing most modules in the DLP line are fairly straight forward and you could probably do it with some care and patience. But there are MANY screws and wiring that need to be removed before you get to the board and that can be overwhelming in itself... You just might be far better off to leave the Tv fixin to a tech - who would look pretty stupid trying to put a digital sign together.. :)
Bill

Aug 21, 2008 | Samsung HLR5067WX 50" Rear Projection HDTV

2 Answers

Green Plaid then Vertical Lines, Failure of hard controls, Analog Board?


You are absolutely correct, When anyone complains of vertical lines or bars, the next step is to see if it happens on only digital inputs ( digital board ) , only analog inputs ( analog board ) , or both ( DMD board ) .

Analog board can be purchased at www.partstore.com ,

Jun 04, 2008 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

How do you install the convergence part on a Mitsubishi WS55511 big screen tv? The part has prongs on the bottom but I don't know how to attach it.


you must de-solder the output IC first. Then I would suggest that you remove the heat sink by removing the philips screws holding it to the pc board. you will find white heat sink compound on the bottom of the heat sink. clean this off and remove the output IC. put some heat sink compound on the new IC and install in in the holes on the pc board. be careful removing the solder on the pc board. I like to use solder wick. Install the new IC and solder it up as the old one was. remember to check the convergence in both analog and digital, as you have to converge both for it to remember the settings. Hope this helps. TV repair guy :)

Jan 31, 2008 | Mitsubishi WS-55511 55" Rear Projection...

4 Answers

Can't fax


i could help ya with your problem

Aug 08, 2007 | Lexmark X4270 All-In-One InkJet Printer

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