Question about Mitsubishi VS-5043 50" Rear Projection Television

Tv Powers up and immediately back off

My TV will power up and then click back off like someone hit the power switch. I can keep turning it off and on and eventually it will come on and stay on for anywhere from 5-25 minutes and then will click off again. When on, the picture and sound are fine.

1 Answer

Lashawn Robinson

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1,153 Answers

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. Shutdown at power with self diagnosis error 2-2. Check for open fuses F9A04 and F9A05 part # 283P144080 on the +24 and -24 volt lines. If the fuses are open the convergence output circuit would be suspect. 2. Shutdown at power with self diagnosis error 2-1. At power on check for 12-volts DC at connector KH pin 8, if missing check IC9C51 part # 270P990010 and L9C52 part # 441D009020 on the Signal PCB

Posted on Aug 26, 2007

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1 Answer

My projector 52' Rca tv model # p46731AT wont turn on, when i hit the power button on the tv it clicks the light comes on for about 2 seconds then powers RIGHT back off...PLEASE HELP

Check the Flyback Transformer and Hot. especially if its a soft ticking sound

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"I have LG 37LC2D TV,when I turn the power on remote controlled or manually it immediately powers off. Is this an issue with the on/off switch inside the tv and how can remedy the problem?"

I have an LG as well.
My troublshooing says:
"Check the power control setting.The power supply may be interupted.
Check if the Auto sleep feature is actiated in the Time settings.
Refer to the " Sleep timer".
If there is no signal while the TV is on, the TV will turn off automatically after 15 miutes or so"

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Can set up th remote control for this tv with the direct tv cable remote

Here's how to scan for TV codes on your DIRECTV remote

1.Make sure your TV is turned on.

2.Slide the mode switch at top of remote to "TV".

3.Press and hold the MUTE button. This is located above the number 1 button.

4.While still holding down MUTE, press and hold the SELECT button until green light at the top of the remote flashes twice.

5.Then enter 991, the green light on remote should flash twice.

5b. Press 1 again (it will flash twice again), then you press the power on button at the very top right.

6.Point remote at TV and press CHANNEL UP button. Tap the CHANNEL UP button repeatedly until the TV powers off.

*If you hit channel up very fast, you risk going past the code. Pressing channel down will back it up. I alway hit channel up very fast till the tv turns off, then back it up slowly till it comes back on.

7.When the TV powers off, press and release the SELECT button.

*Note: If the green light flashes three times before TV responds, then all codes have been cycled through. Our remote controls are guaranteed to program to your DIRECTV receiver, however your TV may not be compatible with our remote control.

Mar 05, 2011 | Curtis LCD2425A TV

1 Answer

My Viewsonic N3250w tv I have had for 4 years no longer powers up. If you hit the button it lights up around the switch but then almost immediately powers back down. Does this sound like a power supply...

Power supply module will be the first thing to check, look for bad caps, find out if it has standby 5vdc and other voltages.
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20N3250W/
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Oct 05, 2010 | ViewSonic N3250W Television

2 Answers

Tv turns on and immediately powers down. no

Hello,

The power light may be flashing or if you are runing with a series light bulb it may be cycling on and off continuously. There may be a chirping or clicking sound from inside the set. (Note: using too small a series light bulb load during testing for the size of the TV may also result in this condition.)

If there is a low voltage regulator or separate switching supply, it could be cycling on and off if the horizontal output, flyback, or one of its secondary loads were defective.

Does this TV have a separate low voltage regulator and/or switching power supply or is it all part of the flyback circuit? For the following, I assume it is all in one (most common).

Some simple things to try first:

Verify that the main filter capacitor is doing its job. Excessive ripple on the rectified line voltage bus can cause various forms of shutdown behavior. An easy test is to jumper across the capacitor with one of at least equal voltage rating and similar capacitance (make connections with power off!).

Use a Variac, if possible, to bring up the input voltage slowly and see if the TV works at any point without shutting down. If it does, this could be an indication of X-ray protection circuit kicking in, though this will usually latch and keep the set shut off if excessive High Voltage were detected.

Jun 01, 2010 | Sansui TDC2075 20 in. TV/VCR/DVD Combo

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Coby tv code for fios remote

1. Press and hold the TV key. 2. While holding down the TV key, press OK. 3. Release both keys. The Device Keys will blink twice.
Ideally we do not have code for coby TV. So we need to manually program the remote
TV and Cable box should be both powered on.
4. Press 9 - 2 - 2. 5. Point the remote at the TV. 6. Press PLAY Press FAST-FORWARD. Every time you press FF the remote sends out a new power-off command to the TV. Keep pressing FF until the TV turns off. (You can press REWIND to go back 1 code.) 8. When the TV turns off, you have found the right code. Press OK to store this code. 9. Press TV and the power should go on. You will now have volume control also.

TIP: Press ff slowly so you know when it powers off and when you need to save the code by hitting OK after it powers off.

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2 Answers

RCA universal remote

Try it without a code. Turn your tv off. Press tv then press the on.off button and tv button at the same time. When it lights up, press play every five seconds until the tv powers off. Next press the reverse button every few seconds (sometimes takes a while), until it powers back on. When it powers back on hit the stop button to save the code.

Sep 08, 2008 | RCA Universal Remote Control

1 Answer

Westinghouse ltv-19w6 source won't change

Have you tried to click the source button on the tv? It is the second button from the bottom on the right hand side of the screen.

I doubt your tv/monitor is turning off, it just isn't getting any input. D-Sub is the "pc monitor part".

Try clicking that button, give it sec, the hit it again. It will go through all of it inputs. If TV is what you are trying to find, it is directly after the Video input (green letters, top right hand side of the screen.) Keep hitting the button until TV shows up.

Good Luck!

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Tv powers on, then switches off immediately

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Model; P52750WK serial; 340486076

Hit remote power button. Brief " crackling " sound, no picture. No problem with TV since new. There is a brief spark like light with sound.

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Tv Powers up and immediately back off

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Lashawn Robinson

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Related Questions:

My projector 52' Rca tv model # p46731AT wont turn on, when i hit the power button on the tv it clicks the light comes on for about 2 seconds then powers RIGHT back off...PLEASE HELP

"I have LG 37LC2D TV,when I turn the power on remote controlled or manually it immediately powers off. Is this an issue with the on/off switch inside the tv and how can remedy the problem?"

Can set up th remote control for this tv with the direct tv cable remote

My Viewsonic N3250w tv I have had for 4 years no longer powers up. If you hit the button it lights up around the switch but then almost immediately powers back down. Does this sound like a power supply...

Tv turns on and immediately powers down. no

Coby tv code for fios remote

RCA universal remote

Westinghouse ltv-19w6 source won't change

Tv powers on, then switches off immediately

Model; P52750WK serial; 340486076

Not finding what you are looking for?

VS-5043 50" Rear Projection Television

My projector 52' Rca tv model # p46731AT wont turn on, when i hit the power button on the tv it clicks the light comes on for about 2 seconds then powers RIGHT back off...PLEASE HELP

Open Questions:

POWERBUTTON ON BUT NO PICTURE OR SOUND WHY MITSUBISHI BIG SCREEN TV POWER BUTTON ON BUT WANT MAKE NO SOUND OR NO PICTURE JUST HAVE A BLACK SCREEN.DO U THINK IT IS WORTH FIXING.

TV powers on, picture comes up, and then goes dark except picture around the edges. Mute button or changing volume temporarily restores picture.

Horizontal lines in Mitsubishi v5043 Picture is fairly clear except for horizontal lines across the screen can this be adjusted out?

where to connect the cable

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Tv Powers up and immediately back off

1 Answer

Lashawn Robinson

Add Your Answer

Attachments: Added items

Related Questions:

My projector 52' Rca tv model # p46731AT wont turn on, when i hit the power button on the tv it clicks the light comes on for about 2 seconds then powers RIGHT back off...PLEASE HELP

"I have LG 37LC2D TV,when I turn the power on remote controlled or manually it immediately powers off. Is this an issue with the on/off switch inside the tv and how can remedy the problem?"

Can set up th remote control for this tv with the direct tv cable remote

My Viewsonic N3250w tv I have had for 4 years no longer powers up. If you hit the button it lights up around the switch but then almost immediately powers back down. Does this sound like a power supply...

Tv turns on and immediately powers down. no

Coby tv code for fios remote

RCA universal remote

Westinghouse ltv-19w6 source won't change

Tv powers on, then switches off immediately

Model; P52750WK serial; 340486076

Not finding what you are looking for?

VS-5043 50" Rear Projection Television

My projector 52' Rca tv model # p46731AT wont turn on, when i hit the power button on the tv it clicks the light comes on for about 2 seconds then powers RIGHT back off...PLEASE HELP

Open Questions:

POWERBUTTON ON BUT NO PICTURE OR SOUND WHY MITSUBISHI BIG SCREEN TV POWER BUTTON ON BUT WANT MAKE NO SOUND OR NO PICTURE JUST HAVE A BLACK SCREEN.DO U THINK IT IS WORTH FIXING.

TV powers on, picture comes up, and then goes dark except picture around the edges. Mute button or changing volume temporarily restores picture.

Horizontal lines in Mitsubishi v5043 Picture is fairly clear except for horizontal lines across the screen can this be adjusted out?

where to connect the cable

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