Question about Philips Magnavox 20MC4304 20 in. TV/VCR/DVD Combo

1 Answer

Service Menu Code

Hi, avid_imps, you seem to be an expert in all things Philips/Magnavox. I saw you were able to supply the service menu code for another user's Magnavox television. Do you happen to know the one for this yet?

My remote control doesn't have MENU, STATUS, or INFO buttons. I did a bit of research and found that one of the ways to enter the service menu was to use a combination of numbers and those buttons.

The one you suggested for another user: ON, OFF, 2, 7, 1, MUTE didn't work for me either. Is there potentially another code I can try? My television desperately need adjusted. Brown colors show up as purple splotches.

Thank you for your time.

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  • Biggiesized May 21, 2008

    So, if I am to understand this correctly, I have to modify my remote control (the one that comes with the television set)? Will this damage the remote in such a way that it will no longer function as normal?



    You've been incredibly helpful thus far.

  • Biggiesized May 21, 2008

    Also, the purple splotch is actually only problematic in one area of the CRT, the lower left corner. Is there something that can be used to fix it, like a magnet (just throwing that out there--I'm no electrical engineer)?

  • Biggiesized May 23, 2008

    Why would I want to de-gauss the set? Wouldn't that only fix the magnetic problem temporarily? Is there a more permanent solution to the problem?

    Also, how would I short circuit pins 10 and 17 (theoretically). What tools would I need? A regular piece of wire? How do I get a current running?


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Its unlikely that the purple splotches can be cured from the service menu.

Assuming your TV is the Magnavox 20MC4304 combi, then the tv does not have a service code. There is an alternative though.

Details can be found in the service manual:

https://www.p4c.philips.com/cgi-bin/dcbint/sget?url=/mprdata/051111/0511110565_sma.zip&ofn=20mc4304_17.zip

Posted on May 21, 2008

  • David Simpson May 22, 2008

    The "splodge" is most likely to be caused by a magnetic field close to that area, such as a speaker or transformer.



    The only thing that might be worth checking internally, is the de-gaussing circuit. This is a wire that runs around the back of the tube in a loop, and is plugged into the main board. It is usually held in place by a spring in each corner.



    Follow the wire and check the connection to the main board.



    DISCONNECT THE MAINS POWER AND TAKE GREAT CARE IF YOU REMOVE THE BACK OF THE TV.



    IF IN DOUBT, DO NOT REMOVE THE BACK COVER.



    I have never tried the remote conversion, so I cannot advise on this.



  • David Simpson May 23, 2008

    The de-gaussing circuit works every time the tv is turned on. If it's not working, then any magnetic interference caused by, say, a speaker near the disturbance, would never be fixed.



    As for shorting the pins, you can use a thin piece of wire, preferably insulated, so as not to touch anything else.

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