Question about Toshiba MW30G71 30 in. TV/VCR/DVD Combo

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Tv won't tern on

Television won't tern on, no sound no picture plug in a vcr in the audio/video section still nothing power fuse and low power supply are ok.

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Re: tv won't tern on

Dont know how to tern on a tv, I do know how to TURN on a TV though...

Posted on Jul 27, 2007

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My TV still turns on and off, but there's no picture or sound. How do I fix it?

The modern TV has two power supply sections. The first is a low voltage +_5 V, very low energy consumption, to keep the remote control functions live. The main power supply seemed to have failed and could be very difficult to fix as it is a energy efficient switch mode supply. Normally the switching transistor or MOSFET fails first and the blows a fuse. Depending on the root cause, replacing these could restore its function.

Nov 18, 2015 | Combination Televisions

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I have sound but no picture. The screen is black

can you see any any menus or the volume bar or channel indicator?
Make sure all your audio and video cables are hooked up correctly to inputs on the TV and to the same set of hookups. For example all of the VCR cables hooked into video 1 and all of the DVD cables in video 2.
Also check that you haven't hooked up the video to the tv's output. Some sets output audio and/or video for external devices such as recording setups or home theater sound systems.

Oct 17, 2009 | Zenith TVBR2742Z 27 in. TV/VCR Combo

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How to disable the vcr on emerson dvd vcr combo?

Hello sjz4923,
I understand your frustration, however you are not going to want to hear this so what I'll do is just come out and explain why what you are asking is almost impossible, and I'll offer a solution that will help you possibly repair this problem.

The term tv/dvd/vcr combo is a misnomer. The term implies that there are three components in this TV set (TV, VCR, DVD) when in reality there are 1 and 1/2 components in this unit. The TV section of this set is actually the VCR section (RF tuner, IF processor, Video and audio, sync section) what is added to make the TV part of this is the deflection, and High voltage section to power and control the signal to the CRT. As far as the DVD section this basically is a DVD player without the video output, but rather the analog video plugs into the VCR video out. You do have aux ports for DVD video out but these may or may not be amplified video. In a nut shell The TV and the VCR are the same electronics except for the deflection and HV circuits, and the DVD and VCR are separate except for the audio and video main inputs.

So what you are asking is almost impossible since the TV and VCR are the circuit.

Now to repair your problem. What is happening is that the signal that the circuit uses to tell that the VCR carriage is connected properly is not being sensed, what this could mean is the the signal processor is bad or the position control is malfunctioning. The first thing I would do is to make sure that the position control (a wheel on the circuit board which the carriage sets on top of and a peg from the carriage sets into a hole on the wheel) is in sync with the carriage wheel.

Also if you have the equipment you can check the sync signal created by the control and compare it with the signal on the schematic of the TV.

Now having said all of this, if you don't have a background in electronics I would suggest that you get a TV repair technician to work on this problem.

I hope this helps,

Thank you,


Jan 21, 2009 | Emerson EWC19T3 19 in. TV/VCR/DVD Combo

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Tv won't turn on

my funai 3216 was working ok it went off today and wont come back on iv changed the fuse in the plug with no luck iv taken the back off the tv what next please help

Jun 22, 2008 | Combination Televisions

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Keeps blowing fuses

When a fuse keeps blowing, that is an indication that some component has failed and the circuit is drawing too much current. Most likely it is a problem in the power supply section or high voltage / flyback section.

Sorry to say, you will need to take it to be serviced.

Please let me know if I can be of further assistance to you.

Good luck!

- Jim

Feb 09, 2008 | Philips Magnavox 20MC4304 20 in....

1 Answer

Tv power problem

It sounds like you have an integrated power supply issue. This type of supply truns on the horizontal oscillator which provides excitation to the Horizontal Output stage which in turn work with the HV section of the TV the extra LV levels are supplied by this interaction. That tsss noise might be the oscillator trying to work or the startup circuit trying to work. I would check the Horizontal and HV sections for failed components.

Sep 04, 2007 | Toshiba MV13L3 13 in. TV/VCR Combo

2 Answers

No picture, no aundio

most tv/vcr combo has only one power supply source which is located in the vcr unit. u have a power supply circuit problem. try to check the rectifier, filter capacitor and the regulator ic/transistor. good luck!

Feb 02, 2007 | Toshiba MV13L2 13 in. TV/VCR Combo

1 Answer

Unable to record or playback VCR tapes

All you can do by yourself unlesss you are a tech. Is run a head cleaner tape through it. It sound like a dirty head to me. Here is something a lot of people do not know, The video head and the audio head in a VCR are two separate heads. thats why you can loose picture and not sound. Best taken apart and cleaned manually with rubbing alchol but not advisable if you are not experienced due to high voltage and if cleaning improperly you can damage the unit worse. Good Luck

Nov 25, 2006 | Broksonic CTSGT8118T 13 in. TV/VCR Combo

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Audio/vidio plug in wont show picture on screen, only sound.

There is a broken connection inside the set at the jacks on the set. If you know how to solder and work on solid state circuits, you may be able to repair this,BUT if you dont please take to a repair shop as it should not cost much to repair this. A tV set is not a place to experiment with!

Sep 02, 2006 | Emerson EWC1902 19 in. TV/VCR Combo

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