Question about Curtis-Mathis CM32010 TV

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Vertical Line in center of screen

All of a sudden my tv only displays a 3/4 inch line down the center of the screen. the sound works fine and changes when I change the channel on the remote. I called a television service professional and was told that it may be a "vertical card". Researching this "card" online had yielded 0 results. I however have found several suggestions based on the same problem only with a Horizontal line. now I do not know if this card exists or if it is a componet that can be easily replaced. if anyone here has any information that may help me with this problem please reply

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Re: Vertical Line in center of screen

Never heard of so called card myself but ,is the line your talking about from top to bottom or from side to side in the middle?straight across middle is called horizional which means vertical problem so you have either bad capacitors 35uf 100v ,1uf 50v, or bad vertical output ic.

Posted on Dec 26, 2007

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Rca tv truflat 20f511t

Bring up the menu for the tv with the remote and try to find something to the effect of resetting everything to factory default settings. If this does not rectify the problem, it probably is not worth taking in to get fixed as this can be very expensive and the tv is older anyway.

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if the tv width is ok try entering to service menu (do not use remote control) as follow:
1) turn the set on.
2) press the menu button and hold it down while pressing the power button.
3) while holding down the menu button release the power button and press
the volume + button.
4) The screen will display a one line menu, on the left the parameter P00,
and on the right the value of the parameter V00
5) release buttons.
6) using the volume + button change the right parameter until 76
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8) whith the volume + or volume - adjust the screen size.
9) when your tv is OK back to parameter 00 using the channel up button.
10) press menu button.
and trouble solved.

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1 Answer

Black screen w/ line in the center.

Its sounds like a Frame collapse, you should check the voltages to the frame chip if it is fine you should try to replace this chip.

Mar 19, 2009 | GE 27GT271 TV

1 Answer

Black box showing up in center of tv

your closed caption feature is turn on and in the text mode. either turn off the closed captions or change it from text to cc1

Jan 08, 2009 | Toshiba 32A33 32" TV

1 Answer

Suddenly no sound & no picture overnight: is my TV dead?

If you have static siugnal, sure TV is not dead.

Check the aerial cable, ensure it is well plugged in and getting signal.

If you are using a receiver box, check cables to TV and receiver (freeview, sat, cable etc.), try setting channels on receiver again, if it does not work but you get static, then either the cables or receiver are defective.

Test the TV on standalone , connecting it to an external antenna.
Tune again the channels, and save the preset.
If still no signal then the antenna socket on the TV may be defective.

Try using the TV with a DVD.

If you can watch DVDs, and TV is not keeping channels preset, and you tried all the above, at this point htere may be a fault in the tuner card inside tv.

Call the phone number listed on tv user manual to get support, and eventually repair it.

Oct 03, 2008 | Panasonic CT-36HL43 36" TV

1 Answer

RCA 36 inch ---channels keep changing

Mine did this and I took the back off of it to remove the button panel on top of the tv. It un- snaps from the inside and pulls straight out. My channel down button was messed up but it lookd fine. It has three prongs on one side of it and two on the other. I clipped the two prong side of the switch and put it back together. Works fine now with remote. Be careful as the set picture tube holds high voltage for a long time when unpluged. Unplug overnight and then work on it.

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2 Answers

Big black box in the middle of the screen

The black box is there because your closed captioning is on and set to text mode. Some channels send the signal even when there is no actual text to display. You can get rid of it by either turning off closed captioning or changing it to CC1 or CC2 mode instead of text. If you can't find those settings, then restore factory settings as directed in your user manual.

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2 Answers

Channel keeps changing

It sounds like a stuck button or switch. What happens when you hit the channel DOWN, does it still keep scrolling down?
Is this with or without the remote?
Have you tried it with the remote and or the TV?

Let me know whether you are changing the channels with the remote or the buttons on the tv and I can try to give you a couple more suggestions.
Mac =)

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2 Answers

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Hi. this is caused by dry solder joints on the frame o/p IC. Resolder all legs of frame chip. Should sort that out.

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1 Answer

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