Question about Daewoo DLP3212 32 in. LCD Television

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No picturethe. Service person says that an IC in the power board is bad but has no number on it so he couldn't fix it so the board should be replaced. but it is very expensive

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Get the service manual, in there you will be given the number of the boards and what to do... have a look, I imagine, they didn't have a service manual.

Posted on May 05, 2010

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Hi, got a Techwood 42" Plasma, problem is the

Maybe the problem is in the system I.C or maybe a open resistor

this problem usually occurs when the system I.C fails, It is because the system I.C on your board and Sound system is separate.This system I.C. is available at electronic shop just read carefully the numbers indicated on your I.C. or maybe the best way is to take a picture of that i.c and show it to the electronic shop. But before you buy this I.C first look for open resistor on your main board. If it's o.k for you to give me the model number of your t.v it would be easier for me to solve the problem.The model number is located at the back of your t.v or maybe on the manual of your t.v.
Hope this may help you

Aug 20, 2011 | Televison & Video

4 Answers

Hello, My Westinghouse ltv32w1 LCD TV is only 2 years old. Sound is fine, picture is not so good: Initially when TV goes on picture is okay, then after 30 minutes, the image breaks up into verticlal...

verticle lines are most likely a bad tube or convergence problem. You will not be able to fix this your self . I suspect a bad convergence ic

Sep 17, 2008 | Televison & Video

2 Answers

I had replaced my Samsung TV with a Calcom Printed circuit board about 7 months back. Now only a vertical 1/3 part of the picture is seen and it is shapeless too. No audio is coming out. No service...

Your TVs Calcom board has vertical output problem I thinks. I don't know where you are in Trivandrum. I'm also from Trivandrum, Karakulm. I don't know why the person who fitted it refuses to recive it for service. Sometimes he would have a doubt about its chroma jungle Ic TDA 9370/PS/N3. If its so It is available in Trivandrum now. If you don't mind call me on 04722887916 after 8PM. and let me know your problem. OK.

Dec 09, 2010 | Televison & Video

1 Answer

My tv has a straight lin acros the middle of the scteen what should i do

The most likely problem is bad solder connections to the vertical output integrated circuit. This device gets hot under normal operation, and the heating can eventually cause the connections to go bad. This can cause a complete collapse of the picture like you have, or a shrinking or bouncing picture. Often just repairing the connections solves the problems, although the IC itself does also go bad and needs replacement.

If you know someone with electronic soldering skills, you might be able to try fixing this yourself. The IC is mounted on a metal heat sink in roughly the center of the circuit board. There will be a number on the IC like LA7847 or LA7848. I don't remember exactly what IC this model uses. You will probably see the solder connections are cracked, and resoldering them may be all that's needed to restore the picture.

If you don't feel up to trying this yourself, it's not a difficult repair for a professional technician, but labor cost may make it uneconomical for a small set. See if you can get an estimate for the repair from a local service shop, then decide whether to repair or replace the TV.

Dec 04, 2010 | JVC AV-24F702 24" TV

2 Answers

Mitsubishi ws 65819

Ur power board ic converter it dead.
Ur Convergence board is bad going to die to.
Both must change.

Aug 15, 2009 | Mitsubishi WS-65819 TV

1 Answer

Only bottom half of the screen shows, also i need the service menu. How can i get to it. Thanks in advance!

I'm not familiar with this model of Sony, but the picture shows a CRT TV. If this is so, your vertical deflection circuit has gone bad (it's nothing to do with the service menu). This can be caused by bad capacitors in the vertical deflection circuit, a bac IC, bad power supply to the IC, bad solder connections, or a combination of any of the above. In this case I would use a scope to test the circuit to see where to start from. You can always do a visual inspection to check for blown or burnt parts and bad solder connections. Other wise you'll have to have a sevice person look at it.

May 28, 2009 | Sony FD Trinitron WEGA KV-27FV310 27" TV

8 Answers

MITS. TS-4553 with SOUND but no picture?

Update you driver to the grapic card, and motherboard, the game you aer running might be dmg some how. if it's a cracked version

Jan 11, 2009 | Televison & Video

1 Answer


deko, heres the number for Sanyo parts, 800-877-5032, you can order the service manual there, part number for manual is KTDS27425. I`m sorry I don`t have it to look up the IC but it will be very usefull to have the manual, I think it`s around $20.00
good luck with it, BMW Rider

Jan 14, 2008 | Sanyo DS27510 27" TV

2 Answers

Sony KV-34HS510 blink codes

I would question that diagnosis, Did you get it online somewhere or did you have a tech check your B+ voltages ?
6 blinks is almost always caused by 2 chips on the "D board", they are both marked MCZ3001D you can order them here if you are a consumer not a tech 800-575-9833. Not to say that the jungle IC & those 2 caps couldn`t cause a dead set symptom but these 2 IC`s are notorious for the 6 blink code, I have personally fixed approx. 10 sony sets with the 6 blink code with those IC`s, hope this helps

Nov 29, 2007 | Sony FD Trinitron WEGA KV-34HS510 34" TV

3 Answers

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

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