Question about Panasonic CT-32SL14 32" TV

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PANASONIC TV VERTICAL IC DIAGRAMS LA7838

Posted by berndulay on

  • berndulay Oct 17, 2007

    vertical ic LA7838 diagram

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2 Answers

Turned on the tv this morning and heard a pop, now we got sound but no picture.it'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

1 Answer

Hitachi 50ux14b. The picture shrinks at the bottom about 4 inches.


This is a problem with the vertical output IC's and associated capacitors. The solution is to replace the IC (usually LA7838) and 2 capacitors (100uF @35V and 220uF @35V).

Sep 19, 2009 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

The vertical is out on my GE 24GP653.


around center off to side la7838

Aug 05, 2009 | GE 24GP653 24" TV

1 Answer

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.
Dan

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,.
Dan

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

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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