I recieved a free tv that has a certain tint to it that is strange. There is no green on the set, any time something green is displayed on the tv, it's replaced with black. However, the red and pink is very strong all over the set. It seems the only problem is trying to get the green color back. I was told this might cost a bunch to fix so I'd like to do it myself. If anyone knows ANYTHING about how I may fix this, i would be incredibly appreciative! :)
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Re: TV lacks green, but has prominant red/pink
Getting the squematic will be the first step to take to become more familiar with the electronics inside,you can ordered by going to http://www.servicemanuals.net/ click on service manuals and give them the model number,they will then give a price and availabilty.The color processing uses a driver for each color and an output for each color too,the output are ussually placed in the crt board in theneck of the tube.the drivers and outputs are transistors most of the time but sometime the drivers are part of an integrated circuit.Please let US know if you need more help but place it as a new question.
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A green tint can be caused by over drive of the green circuit or lack of enough red or blue.Either way it leads back to the tube having a problem. If it is even available the cost of replacement would well exceed cost of buying a new TV.
One color plug in the back was unplugged - Since the TV had not moved we didn't think to look for that. The cable bundle must have been bumped causing the problem - I feel a bit silly that I hadn't looked for that. Thanks for your follow-up.
Here is something that may help from the toshiba.com website under your model number television. Q. Why are people on my screen green? Models: 32HL17, 37HL17, 42HL17, 42HL167, 47HL167, 52HL167, 42HL167, 42LX177, 46LX177, 52LX177, 57LX177 REF:FAQLCD00107 If the problem is not the connections, try adjusting the tint on your television. A high tint setting will usually create a green image on the screen where as a low tint will create a more red hue. In order to access your television's tint: 1. Press the “MENU” button on your remote control and use the LEFT or RIGHT arrow keys and select the VIDEO menu. 2. Then use the UP and DOWN arrow keys to highlight PICTURE SETTINGS and press the "ENTER" button on your remote. 3. Next use the UP and DOWN arrow keys to highlight TINT then use the LEFT or RIGHT arrow keys to adjust the TINT. If the picture is too green the tint will need to be lowered. 4. Once you have adjusted the tint to your liking, use the DOWN arrow key to highlight DONE and press ENTER. The toshiba customer service telephone number is : 1-800-631-3811. I hope this helps you with your problem.
In the back of set you have a red green and blue gun.
two or three problems with sony on this.
sum times the green gun will go intermit.
by gentely taping the neck of green gun while set is on, and you see corection, you need to replace green gun.
in others we have found bad soldier in the HV section of the flyback.
and sumtimes its due to louse conectors going to the HD input in back of the set.
hope this is of help to you.
I would check the green signal all the wat to the display screen to determine is this is a signal problem or a system short. I would recommend that you take this set to a qualified electronics technician
Excellent pictures of the crt board I can actually see the transistor ans is mounted in a piece of metal with a screw holding it,is just to the right and he should be the only one of this kind in the board,this transistor is soldered in and it needs to be replaced with same,in its face it has some number ,the part can be ordered or cross to a replacement with those numbers.Make sure all the conections on the board are solid.Let us Know how it goes.