Akai lct42z6tm

Thanks for the suggestions! I replaced the capcitors and now the TV woeks like a champ!

Yes, I am a computer / electronics person and by brother's tv had the same problem, here is a complete description of the problem and the fix. Many thanks to all that have come before

Symptoms

1) While watching tv, there will be vertical grayish lines that move around a bit on the screen
2) While viewing a menu, the menu will be all hacked up as if the bits are all out of order
3) If you unplug all of the sources and then re-power the tv, unplug from wall, the tv will seem it is working fine. Menus will work until a video source (Component) is plugged into the tv.

Tacking the back off

WITH TWO PEOPLE Lay the TV on a table with a blanket, etc to protect the tv. Do not try and move the TV with the back off in general. You may flex the screen and damage it.

Remove all of the screws from the back including the one under the sticker near the left bottom. Remove the stand from the bottom. Lift the back up from the left to the right. Power is hooked to the right of the back. Remove the two screws to remove the power jack from the back.

Remove the back and place aside

Remove the RF cover from and the board will be underneath

Remove all of the screws from the board and from the RCA connectors from the outside bottom of the board.

Carefully remove all of the wires, taking time to remove the glue from the connectors. The glue should "Snap Off", take your time here. Remove the wires, noting where they all are. Take your time with the big connector on the left side.

You will see that all / some of the caps will have a discoloration on the bottom.

Replace and replace ALL of the caps on the upper left side of the board. It's OK to replace with a higher value Voltage, they must be the same uf value of equal or higher voltage. They must be electrolytic caps (+/-). Make sure the line up the - properly with replacing. Radio shack may not have all of the them, but other electronics supply place should. They are call fairly common.

If you have never done this before, find someone that has, or find another tutorial on how to do this. You will need a small soldering iron and solder ****** and very thin solder from Radio Shack.

Replace the board, we tested by putting the board back. Sliding the TV on a table so the top could be seen and then plugging a source in and verifying it worked before reassembly. You HAVE to have a component source plugged in or it will false positive the test. We found this out the hard way....

Replace the back and the screws. On the right side of the TV MAKE SURE that the AC power wires are NOT in the way the screws on the right hand side.

Replace the TV to the original position and test....

Reason for Problem.

Either they have a flaw in the design, but more probably they had a poor supplier of the Capacitors. I have seen this before and we will probably see it again. This really should be some sort of class action suit since they are all failing about 1.5 years of use.

Any question, please contact me....

orthober@msoe.edu

Jeff Orthober, Assistant Professor, Milwaukee School of Engineering.

Yes, I am a computer / electronics person and by brother's tv had the same problem, here is a complete description of the problem and the fix. Many thanks to all that have come before

Symptoms

1) While watching tv, there will be vertical grayish lines that move around a bit on the screen
2) While viewing a menu, the menu will be all hacked up as if the bits are all out of order
3) If you unplug all of the sources and then re-power the tv, unplug from wall, the tv will seem it is working fine. Menus will work until a video source (Component) is plugged into the tv.

Tacking the back off

WITH TWO PEOPLE Lay the TV on a table with a blanket, etc to protect the tv. Do not try and move the TV with the back off in general. You may flex the screen and damage it.

Remove all of the screws from the back including the one under the sticker near the left bottom. Remove the stand from the bottom. Lift the back up from the left to the right. Power is hooked to the right of the back. Remove the two screws to remove the power jack from the back.

Remove the back and place aside

Remove the RF cover from and the board will be underneath

Remove all of the screws from the board and from the RCA connectors from the outside bottom of the board.

Carefully remove all of the wires, taking time to remove the glue from the connectors. The glue should "Snap Off", take your time here. Remove the wires, noting where they all are. Take your time with the big connector on the left side.

You will see that all / some of the caps will have a discoloration on the bottom.

Replace and replace ALL of the caps on the upper left side of the board. It's OK to replace with a higher value Voltage, they must be the same uf value of equal or higher voltage. They must be electrolytic caps (+/-). Make sure the line up the - properly with replacing. Radio shack may not have all of the them, but other electronics supply place should. They are call fairly common.

If you have never done this before, find someone that has, or find another tutorial on how to do this. You will need a small soldering iron and solder ****** and very thin solder from Radio Shack.

Replace the board, we tested by putting the board back. Sliding the TV on a table so the top could be seen and then plugging a source in and verifying it worked before reassembly. You HAVE to have a component source plugged in or it will false positive the test. We found this out the hard way....

Replace the back and the screws. On the right side of the TV MAKE SURE that the AC power wires are NOT in the way the screws on the right hand side.

Replace the TV to the original position and test....

Reason for Problem.

Either they have a flaw in the design, but more probably they had a poor supplier of the Capacitors. I have seen this before and we will probably see it again. This really should be some sort of class action suit since they are all failing about 1.5 years of use.

Any question, please contact me....

orthober@msoe.edu

Jeff Orthober, Assistant Professor, Milwaukee School of Engineering.

Changed the capacitors C280, C302, C320, C323 - 100UF 35 VOLTS. Bought em at Radio Shack $5. Took about 2 hours cause I'm slow. Capacitors are in a group on the board with all the AV connections.

Works Great

Dont feel too bad..i bought 3 of these LCT42Z6TM monitors. They all developed the same problem.(scrambled video) They started displaying garbage on the screen. My guess is a bad AV board. Contact AKAI. theres an 800 number that came with the setup instructions. they didnt jerk me around. they told me to take the unit back since it was less than 30 days old. they will come to your house and fix it if you like..dont let time slip by doing nothing..call AKAI ...rick

Replace the capacitors at location numbers C280, C302, C320, C323 - 100UF 35 VOLTS.

This does work. My TV was scrap and then 59c and 1hr of work later it's like brand new again.

However I used 100UF 50V electrolytic capacitors. No difference, just a higher max voltage rating.

I can confirm that replacing these 4 capacitors worked perfectly. I work in construction so i am not a technician or anything. I did not even have a solder iron. I have photos of the board if anyone would like to see them. Took me about a hour to replace the 4. I had to use (2)35volt & (2)50volt cause radio shack only had 2 of each and it works like a charm. This TV has been in storage for 6 months until i found this article on the problem. Cant say thanks enough!!!!!!!!!!

tech support at akai says: "AKAI model LCT42Z6TM - If there is no image or a badly distorted image with horizontal static lines, usually with four boxes in all four corners of the screen, there is a possible fix for this. There are four capacitors on the main board that have been identified as the primary cause of this symptom. Replace the capacitors at location numbers C280, C302, C320, C323 - 100UF 35 VOLTS" - this works - [dxh]

OMG Thank you for the capacitor fix. My Akai has been in storage for a year and I finally came across this capacitor fix. I went to Radio Shack and in 30 min I was back up and running. Thank you thank you thank you

you guys are awsome!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
it worked great like brand new ....
the funny thing is just pucked it for a barter (next to nothing) ,spent five bucks on capacitors and got a large LCD

again thank you

I just did the same thing with a return i bought from SAMs Club for $398. It does work and the TV''s HDMI and Component inputs work absolutly fine. The 100 mf Capacitors are $1.59 each at Radio Shack and I was able to replace them in under an hour.

Thanks

I have been trying for four months for Akai to fix this very problem. I live in the Cleveland area and they claim that they are trying to get a technician but can't find one yet. Give them 10 to 14 days and call again is the constant refrain. At what point do I just take it back to the store for a refund. I understand that it is an easy fix so don't want to do this if it can be avoided. I've been paying for HD and am getting a crapy picture for my money all because of a faulty TV. Needless to say, I will never buy an Akai product again.