Question about Zenith D65W25 TV
The outermost clear plexiglass screen of my Zenith D65W25 projection tv was cracked, the victim of an ill-placed doorknob during a move. The tv still works fine but just has a large, annoying crack in the screen. I am having difficulty finding a replacement screen for this unit without purchasing an entire screen unit for over $800. Are there any suppliers who can provide just the outer screen?
First, a warning. There is at least one website appearing to sell TV Screen Protectors but if you research the site, you discover that the Yellow Pages indicates that the business has closed. In that instance, I would probably call the Better Business Bureau in that area before I would even test any contact point on that webpage. It might be legitimate but there is sufficient reason to be cautious. Alternatively:
Sears carries Zennith parts:
Posted on Aug 11, 2017
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Posted on Jan 02, 2017
The first thing to check is for loose conections,the problem is related to the high voltage but it can start in the main board with one component loose,when the high voltage is developed it goes to what is call the distributor block,a lot of sets have the focus and screen controls coming out of this block for each picture tube,this block might be bad but before we go to him we need to check everything is solid in the main board.If you are familiar with electronics you can remove the back cover and tap the chassis with a wooden or rubber handle to see if the set reacts,if it does you need to be atentive what area makes it react and flip the board to do some resoldering,If you are not too familiar with tv service you need the assistance from a servicer.Let Us know how it goes or if you need more information.
Posted on Oct 27, 2006
SOURCE: Zenith A25A11D No Red Color
Hi, If you are comfortable working with a soldering iron, a continuity (VOM) multi tester and a fair knowledge of electronic components, then perhaps you can repair the missing color red. You have to open the unit, expose the small printed circuit board that is attached to the small end of the picture tube. There will be many components present but you will need to focus yourself on three (3) transistors that are bigger than the others sometimes with an aluminum heatsink. It is also possible that instead of 3 transistors you will have one power IC. In any case these control and provide the drive for the 3 colors of your picture tube: red, green and blue. One of them is either dead or suffers from cold solder to any or all of its pins/legs. You have to visually inspect the solder joints of these big transistors/IC and determine if any is dull in color, loose of simply not connected. You may even try the shotgun approach and solder each of the pins/terminals/legs just as long as you don't cross solder creating a short between pins/legs. If this works, you're set, if not: You have to check with the use of the VOM and determine which of the 3 transistor is defective. If you are familiar checking continuity of base to collector to emitter and reverse, again you're set, if not perhaps you check all three and compare which have the same reading from the same position and which is different. Pls keep in mind the transistors have forward and reverse bias readings. If able to determine defective component, desolder, replace and solder. If it were an IC, replace the entire pack. If the above would make you uncomfortable, pls ask for the services of a qualified TV repair man and explain your problem. Hope this works out for you and give you some ideas. Pls post again how things turn up, good luck and kind regards.
Posted on Aug 12, 2007
SOURCE: Zenith rear projection TV
it's unual for all 3 crt's to go bad at same time, so have you tried turning up screen(G2) control? If so also there is a cap in the high voltage line that when replaced may lighten up set. Don't have model so I can't go further.
Posted on Aug 12, 2007
SOURCE: High pitch buzzing.
Let's make ur problem a bit clear. "white lines" how? where?
meaning retrace lines with full raster or a single vertical line?
buzzing sound? without even turning the power switch of the TV to "ON" or when u just plug the power cord?
I'll check for schema, mean while can u tell me where the resistor leads to? is it a fusible resistor? if so , to which area the resistor suppliers power?
Posted on Nov 12, 2008
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