Question about Philips Standard 104S 14" cRT Monitor

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Ic i want to know what ic is used in horizontal and vertical scaning

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TDA 4841 IC IS USED FOR horizontal and vertical scaning IF YOU WANT its ckt you can get it from good luck

Posted on Sep 26, 2007


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Where is horizontal output ic in my t.v?

There is no horizontal oscillator IC. The horizontal oscillation is generated and outputted by the main system control IC LA76810 itself. Refer some circuit diagrams using LA76810 to get more details about the horizontal oscillation output from the IC. Measure the frequency at that output pin. It should be some ever near 15.62KHz.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Type in the IC number, in the search box [at the top right] of the display window, and press enter to get all related posts. It will make surf easy.

Jan 31, 2015 | Televison & Video

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There is a sound but no picture in to the screen and there is horizontal line

Tv have a Horizontal IC out is dead or cold soldering.Make a fist with ur hand,bang on the tv frame bazel a couples of times.If the hoizontal line flashes back to normal screen?Tv have cold soldering around horizotal IC area.U have a soldering iron tool and a roll of solders,know how to do basic soldering?Take the back of the plastic screw driver tap around for cold soldering area.Resoldering those area.No horizontal tv screen flashes back the IC out is dead,require replacing another horizontal IC output.

Mar 21, 2011 | Televison & Video

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Why does television have a straight line across no picture but sound

It is due to total loss of vertical scaning. Your TV has both vertical and horizontal scan at predetermined frequencies to show the picture over the entire screen. If vertical scan fails, you will see a bright horzontal line, and if horizontal scan fails you will see a vertical line through the middle of the screen.
In your TVs case, there is no vertical scanning now. Usually this may be due to failure of Vertical Output Ic. In some cases, loose solderings on the sodered ponts of vertical Ic legs are noted.
Anyway, you have to open your TV. You must have a concept of soldering, and ability to locate and isolate faulty component. Usually vertical output Ics are screwed into a heatsink metal inorder to radiate heate from it while working. Locate the Ic, and look for any loose solderings first. You can determine it by giving a small hit with any noncuductive material like wood or so, never use a pencil for this as the core pf the pencil ic composed of Graphite, and it is electrically conductive. When you do so, if picture scans vertically for atleast a moment, you can make sure that the solderings are loose. Just resolder all the legs of that Ic, by applying a little more solder; will solve the problem
Just try these, and if you need any more help, ask me through Fixya. Ok.

Nov 04, 2010 | Philips Televison & Video

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My Toshiba television Model 13A23 is not working. There is no horizontal signal from Video Chroma Ic but the B+ voltage is present. Can you tell what can be cause of this problem?

pls check the jungle IC it genarate the horizontal signal croma ic used that signal may be failure in horizontal oscllator section

Aug 24, 2010 | Toshiba 13A23 13" TV

3 Answers

My 15 year old Toshiba Televisiononly shows a narrow horizontal band in the middle of the screen. Sound OK.

Hiii fairley,

You aren't specsificly dercribe yor tv set.
For common TV horizontal problem ;i.e : White line accross the horizontal screen, horizontal band,'s can solved by replacing the IC Vertical/Transistor, and olso to replace the cap nearest the IC.

For common TV Vertical Problem :i.e : White line at the center of the screen (top to bottom),Vertical band,etc...It's can cure by Replacing the Horizontal IC/Transistor,and offcurse the cap's.

Tha's what all I know....

Hope can help you to solved the problem.



Jun 22, 2009 | Toshiba 32A33 32" TV

1 Answer


The same is true for rear projection. There may be an adjustment for vertical hold in a hole in the back of the cabinet.

Oct 06, 2007 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

104s philips monitor

Why do you suspect the horizontal or vert curcuits? I would suspect the HV curcuit since no display at all. Gary(Honkity Hank)

Sep 18, 2007 | Philips Standard 104SLE 14 in. CRT Monitor

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TOSHIBA Model: TV28C30 - No Vertical. Just flat horizontal line.

The vertical output IC is most likly bad or has a bad connection on it. Its a stand up IC witha metal heat sink and should start with an LA number. There ciould also be a problem with the B+ feed if you replace the IC and still get no vertical deflection. The parts would be in the sweep power supply and would start with the same first number thats printed on the printed circuit board, that is printed by the vertal sweep IC, meaning if the IC number on the board was IC412, then the B+ supply parts would start with 4 also ie r456, d456,c435 ect ect. The numbers I used are not the actuall numbers just used for referance. If you need a schematic one is available at for a download price of about 24 bucks. Remember though to always be safe and if you have no solid state repair experience, please consult a pro to assist you with this repair. Good Luck Please dont forget to rate this thread.

Oct 20, 2006 | Toshiba 28N33 28" TV

3 Answers

I have a thin bright white line,horizontal,no picture

i have panasonic sophia tv 29" i have white horizontal line on middle of screen i know i have to solder ic but where is the ic located on main circuit board. thankx

Aug 22, 2006 | Jensen TS2750J TV

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