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I have a RCA LCD flat screen I purchased in August 2007 and the sound just stopped working. None of the menus, mute buttons or sound adjustments work.

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It's your main control panel, most of the time they are not worth repairing.

Posted on Jun 16, 2008

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Red picture tube out of alingment how do you make major adjustment


Its done with the original remote--convergence in the customer menu should be looked at first---call up the crosses or the grid of lines, it has one or the other.

You first want to look to see if red out and then if it will move both up/down and left right where off.

If it will not move in some direction anywhere on the screen the convergence output chips the set uses are bad.

The set will or should have two hidden menus, one will bring up the advanced grid for convergence---input for that with the remote is Mute, 181 or 183----if you call up the wrong one shut set off and try the other number.

It is possible to converge the whole screen there, if memory serves me 7,8,9 change the color being adjusted DO NOT ADJUST GREEN FOR ANY REASON.

two buttons (different on different remotes will move the cursor around the grid (and the remote must have a button somewhere on it with "data" to save the adjustments.

Check in customer menu the convergence first---got movement?

Dec 08, 2012 | Samsung HLP5685W 56" Rear Projection...

1 Answer

Yellow arch on bottom left of screen. I have


OK, HERE are the instructions:
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With the set on press MUTE on the remote.

Then press and HOLD mute for several seconds and while still holding it on the remote press Menu on the front of the set.

A (S) should appear in the upper right corner of the screen. (It means you are in the Service mode)

Press menu again on the front of the set

7 on the remote will call up the convergence grid

3 on the remote will change the color to adjust from red to green to blue(do not adjust GREEN)


You navigate the grid with 2, 4, 6, and 8 buttons.

To stop the cursor from blinking so you can adjust at any point use the 5 button—to move again use the 5 button.


When you finish you exit by hitting 7 on the remote again.


Sometimes you have to try a few times to get into the menu—I have had my problems but once in it is easy.


if adjusting does not cure the problem one of the convergence chips this set uses and or a resistor are bad.

Let me know what happens and if you need more help let me know
SD TECH



Sep 30, 2009 | Toshiba TP50H50 50" Rear Projection...

1 Answer

61 RCA Screen Problems


This is a bad sign of video board backlight going to failure.Make sure u get a warrenty repair,make sure they replace video backlight board.Or exchange the tv.U got a bad IC U could call the CPU for the board.It have intermitent ground sort.U can unplug the power,replug the power,it will work,but this temporally fix only.The high power of the board will kill the IC sooner or later.

















Feb 26, 2009 | RCA HD61W66 61" Projection HDTV

1 Answer

No sound and sound menu stays muted so cant adjust


Have you totally unplugged the TV?
If not do so for 10 minutes and see if it resets.
Try to find a remote that goes with TV>
Mastersage.
P.s. Make sure you do not have the saftey lock on. You can adjust the control;s from built in adjustments.
Mastersage!

Feb 14, 2009 | JVC AV-48P575 48" Rear Projection...

2 Answers

Toshiba 42h82


1. ENTERING TO SERVICE MODE
MUTE
S
(Service mode display)
3) While pressing the MUTE button,
press MENU button on TV set.
2) Press MUTE button
again to keep pressing.
1) Press MUTE button twice
on Remote Control.
2. DISPLAYING THE ADJUSTMENT MENU
1) Press MENU button on TV.
Adjustment mode
Press
Press
Service mode
Item
S Data
3. KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
Screen adjustment mode ON/OFF: TV (ANT)/VIDEO button (on TV)
Selection of the adjustment items : Channel s/t (on TV or Remote)
Change of the data value : Volume s/t (on TV or Remote)
Adjustment menu mode ON/OFF : MENU button (on TV)
Initialization of the memory (QA02) : RECALL+Channel button on TV (s)
Initialization of the self diagnostic data: RECALL+Channel button on TV (t)
“RCUT” selection : 1 button
“GCUT” selection : 2 button
“BCUT” selection : 3 button
“SCNT” selection : 4 button
“SCOL” selection : 5 button
“TNTC” selection : 6 button
Convergence adj : 7 button
Self diagnostic display : 9 button

Oct 21, 2008 | Projection Televisions

1 Answer

The volume on my philips flat screen wont work


I don't know the particulars for your model of set but you can try looking in to the user menus and see if there is a setting for fixed or varible volume level.

If you have no sound, check for the mute mode. Also check that the set is not in SAP.

Jerry G.

Apr 13, 2008 | Projection Televisions

1 Answer

Rear projection tv broke


try resoldering the vertical output IC. This is a common problem the tubes blank out but sound and on screen displays still work 90% of the time its the solder connections on the vertical IC that causes it.

Mar 24, 2008 | RCA P52960 52" Rear Projection Television

3 Answers

Perfect focus not working


I purchased mine about 5 months ago. Ive been researching and playing around with the remote. This will help you on the way. With the set off, press "Mute", 1, 8, 2 then turn the tv on. This will bring up the main settings, dont change any values on any page, unless you write the origonal values down first, because the total reset doesnt return everything to a "factory" preset. Scroll down to reset and press the enter key. I havent come across any owners or service manuals, and support is slim to none. I wrote a review for the same model on a wal-mart site I believe, and it explains adjustments in more detail. If you want to try to figure out the buttons for yourself, while the tv is on, press "Mute 1, 8, 3" this is another set of adjustments for finer detail. If you change an adjustment here and your not sure, just press the exit button. To save your adjustments in the convergence mode, press and hold the enter button, it should flash a few times and center itself on the screen. If you make a mistake in this mode, the total reset I mentioned first should get you back on track. If you find anything out or have a question, feel free to write me at Silverado1st@aol.com

Jan 15, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

Pt5598hd convergence


I purchased mine about 5 months ago. Ive been researching and playing around with the remote. This will help you on the way. With the set off, press "Mute", 1, 8, 2 then turn the tv on. This will bring up the main settings, dont change any values on any page, unless you write the origonal values down first, because the total reset doesnt return everything to a "factory" preset. Scroll down to reset and press the enter key. I havent come across any owners or service manuals, and support is slim to none. I wrote a review for the same model on a wal-mart site I believe, and it explains adjustments in more detail. If you want to try to figure out the buttons for yourself, while the tv is on, press "Mute 1, 8, 3" this is another set of adjustments for finer detail. If you change an adjustment here and your not sure, just press the exit button. To save your adjustments in the convergence mode, press and hold the enter button, it should flash a few times and center itself on the screen. If you make a mistake in this mode, the total reset I mentioned first should get you back on track. If you find anything out or have a question, feel free to write me at Silverado1st@aol.com This is a nice TV, wonder why they stopped making them.

Jan 12, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

How do you reset to mfg settings or set red/blue convergence?


I purchased mine about 5 months ago. Ive been researching and playing around with the remote. This will help you on the way. With the set off, press "Mute", 1, 8, 2 then turn the tv on. This will bring up the main settings, dont change any values on any page, unless you write the origonal values down first, because the total reset doesnt return everything to a "factory" preset. Scroll down to reset and press the enter key. I havent come across any owners or service manuals, and support is slim to none. I wrote a review for the same model on a wal-mart site I believe, and it explains adjustments in more detail. If you want to try to figure out the buttons for yourself, while the tv is on, press "Mute 1, 8, 3" this is another set of adjustments for finer detail. If you change an adjustment here and your not sure, just press the exit button. To save your adjustments in the convergence mode, press and hold the enter button, it should flash a few times and center itself on the screen. If you make a mistake in this mode, the total reset I mentioned first should get you back on track. If you find anything out or have a question, feel free to write me at Silverado1st@aol.com

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