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Question about GE 31GT740 31" TV

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Squeals Like a Pig

31? GE Model 31GT740, after having a people meter and other electronics hooked up to the TV by those rating people (you know who you are), the TV started having problems with the picture not coming on but sound was on. It was intermittent and went away for a while after ?those people? made some adjustments in their people meter equipment. The problem gradually came back and the other night the whole TV picture went out and the TV started squealing like a pig with a hot iron poker in it?s eye. (?Those people? are denying that it?s anything they did).

Posted by Dan Gallemore on

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1 Answer

Anonymous

REPLACE HORZ OUT TRANSFORMER

Posted on Feb 10, 2007

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What is the fly back part number for ge 31gt740

There is three numbers are used with model to model. It will differ according to chassis fitted with it. All chassis number will be the same, but the layout will have some difference, and company does it meant for advanced performance. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/
Schematic diagrams to some GE sets are given, that I can't upload by this window. Refer it. You can make sure about this detail, by contacting the authorized service center for GE; providing the exact model and chassis number.
1helpful
1answer

P[ease tell me how to remove the chassis from the tv ge mo.31gt740

Because no-one knowledgeable about your problem was online yet to answer it. It could take 10 minutes to a day to get an answer.
0helpful
1answer

I have a GE guide+ gemstar model 31GT740 i cant get cable reception the cable is fine as i hooked them to another tv and it worked fine i did auto channel and it scanned all channels when it was done it...

your have problem with the system IC's which store the channel and all the control in the TV or it can be remedy by soldering the pin of the IC's if the problem persist well your have to replace that system.
3helpful
2answers

I have a 31GT740. Need g link and users manual. Where would I find a g link cable and users manual for it. I'm not really sure how old this set is. Any help would be apprieciated.?

1.)This set should have the date on the back of it; it should be a a 2003 model.

2.) You may be able to find a user manual by google on the internet.

3.) The part number for the G link is:
238293 and it is no longer available(about a 16 dollar item)--you may be able to find someone on Ebay who has it----these sets with the guide plus never worked very well.
4.) I do this here for free so if this information helps you--take a minute and give me a vote here.

REGARDS: SD TECH......
0helpful
1answer

GE TV cutting off and on

Hi power transformer is going bad..probably full of dust and/or melting from use. Don't waste money on repairs as it'll cost you more than the TV's worth.
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GE 31GT740 TV problem

hit the clear button on the remote and it will clear the guide plus off the screen
2helpful
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31GT740

The GE (actually RCA) 31GT740 uses the CTC203 series chassis. The first thing I would do is resolder the coil on the base of the horizontal output transistor and the pins of the horizontal drive transformer, as well as any other solder joints on the main PC board that look weak or cracked. 9 times out of 10 that cures the symptoms you described. If you do not have experience soldering parts on PC boards then have a qualified tech handle it for you.
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Tv picture shaped like hour glass

Big cap in the regulation ckt is bad. Depending on model could be various values, a shop could use their ESR meter to find and replace it.
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T.V. SQUEALS

need more information to form an opinion.
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Vide problem

I think you have a problem in the vertical circuit in your tv. It sounds like you have a loose solder joint. The set would have to be taken apart and re-soldered. You really have an RCA chassis inside your tv. RCA's have a lot of bad solder connections. Stargazer
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