Question about Panasonic PV-DF2035 20 in. TV/VCR/DVD Combo

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Blue Screen of Death

I have power, but no audio, no visual, just a blue screen of death for all channels. DVD does work.

Any ideas?

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Re: Blue Screen of Death


If I may add to osborne382's post;

The blue screen indicates absence of a video signal either from the VCR or the tuner.

Your posts "...VCR working briefly about 5 ejected." tells me that the VCR is trying to play the tape but due to an internal problem, it stops and thereafter ejects the tape. My experience of similar faults points to a couple of possibilities: 1) tape slack - the take up spool (right side) is not winding fast enough (or at all) to wind the tape after it has passed the video head and the capstan/roller and would therefore pool around a certain area (right side of mechanism). The unit would sense this and stop the operation. It would eject the tape. The slack would not be noticeable since on eject, the rewind reacts first before the eject mechanism; 2) insufficient loading - in basic terms, once the tape is inserted, loaded and seated at its proper position, there would be 2 spreader armas that would extract the tape and partially wrap it around the video head/drum. These arms are driven by a mechanism powered by a small motor through a small belt. More often, aftersome time of usage, the belt would start to slip wherein the spreader arms would not be able to completely wrap the tape to its intended position. Again the built-in protection circuitry would sense this fault and auto stop the play and go to auto eject mode; and/or 3) end of program sensor - which activates if there is no intelligent video signal detected. The system will assume that a tape/show has finished and therefore will auto stop/eject if it does not sense a decent video signal. Please note that not all models have this feature.

Re your post "...does not play channels..." is an entirely different concern. It is indicative of the absence of an RF INput signal which could be your aerial or cable or at worst a defective front end/tuner of the TV section of the combo unit. A way to verify if it is your aerial/cable or internal to the TV is to hook an old external VCR to the Ant/RF IN of the TV. Set both to Ch. 3 or 4. On the external VCR. play a known good, clear tape. You should be able to view the tape on your TV. If this is the case, then you have just confirmed that it is your aerial/cable that is at fault and not your TV which would require that you get in touch with your cable provider or check your antenna. On the other hand, if likewise no display, then it would be safe to assume that an electronic fault do exist inside your TV.

An internal TV fault could be the front end which includes the tuner. At times it could be the electronic switch that selects video signal source from DVD, VCR or tuner.

At this point, osborne382's suggestion of seeking the services of a qualified technician would probably be your best option.

Should you wish to do a DIY (do-it-yourself), you would need to be familiar with electro-mechanical of the VCR, electronic circuitry/components diagnosis and both passive & active testing, use of a DVM and a low wattage soldering iron. You would also need a service manual or at least a schematic diagram which I believe is available on-line, pls try here. Additionally, a user manual for a smaller version (PV-20DF25) is available here.

Hope that this be of further help/idea to you. Pls post back how things turned out or should you need further information.

Good luck and kind regards.

Posted on Nov 13, 2007

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Re: Blue Screen of Death

It plays dvd's audio and video? and not channels?

Posted on Nov 12, 2007

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