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Tv daigram vertical ic LA7838

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Turned on the tv this morning and heard a pop, now we got sound but no's a mitsubishi vs-50803 model

A real comman problem with that set is vertical IC will blow, burn a hold in the board itself, Part Number is a LA7838 Vertical IC, located right center mounted on a heat sink, and will about seven legs on the IC,, on defection board.Remove back and see if that IC is in pieces?

Oct 14, 2010 | Televison & Video

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The vertical is out on my GE 24GP653.

around center off to side la7838

Aug 05, 2009 | GE 24GP653 24" TV

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Line across picture tube

It's a bad solder connection on the vertical IC.It will be mounted on the main board.It is vertical in length and will have thirteen pins..should be marked "LA7838" or similar.

Apr 04, 2009 | Emerson TS2587D 25" TV

1 Answer

Horizontal Line

This is a problem with the vertical circuit. Look for a small flat IC attached to a heat sink. It should have about 9-11 pins and be marked LA7838 or something similar. Try resoldering the pins first. If that does not resolve the problem, replace the IC. The IC will cost between $10-$20.

May 12, 2008 | Sanyo AVM-2759S 27" TV

2 Answers

Tv picture dose not come only LINe

There is a problem with the vertical circuit. Many times it is the vertical IC. This is a small flat IC attached to a heat sink. It may be merked LA7838 or something similar. You ca try resoldering the pins as a bad connection can also cause this. If that fails, replace the IC.
Keep us posted,.

Apr 30, 2008 | Televison & Video

2 Answers

Mitsubishi cs 35203

That sounds like vertical failure. Does the blue line run across the screen from side to side? Try resoldering the vertical output IC and see if that straightens it out. This is sometimes been a problem with that chassis. Let me know how you make out or if you need additional help.

Mar 29, 2008 | Mitsubishi VS-5043 50" Rear Projection...

1 Answer

Tv problem

Good Day;
Sounds you have a bad vertical output IC that is defective along with some caps. Change IC > LA7838 > IC401 and ALL CAPS like cap off of pin #6 1ufd 25v and etc.
Good Luck, big IRISH.

Dec 12, 2007 | Mitsubishi WS-55807 TV

2 Answers

JVC 31" TV Vertical Screen Jumping

I've heard this is could be a cold solder joint and am looking for advice on which IC to re-solder. 1 whatever you have heard is correct as whenever you smacked the lelt side it works fine. 2 you will have to check loose contact in vertical section. your vertical ic might be located at the left side of the tv. 3 check any connector is loose near vertival section. 4 any preset is loose in vertical section. it is a simple problem if you are not technical person please get it done by tech person. as your tv is old & if it is done by tech person tell him to replace all elrctrolytic capacitors in vertical section. good luck.

Sep 20, 2007 | Televison & Video

1 Answer

DS25390 Verticle foldover

If you have a picture but the top is folded over, your vertical IC is probably good and you need to replace the pump-up capacitor next to the IC. When the pump-up cap (typically a 47 or 100uF 35V cap) is open then the picture will have white lines and foldover at the top. The typical vertical output IC is the LA7838, but I am not familiar with exactly which output IC your set uses.

Jul 02, 2007 | Sanyo DS25390 TV

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