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Panasonic TV Service Menu help

Discussion in 'TVs' started by nathan_silly, May 20, 2003.

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  1. nathan_silly

    nathan_silly
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    Found this a bit ago.. might help out Panny owners..

    These tips should apply to most of the current Panasonic Tvs.
    (PK,PF,D2,D2 etc blahdeblah)

    WRITE DOWN ALL THE ORIGINAL VALUES BEFORE CHANGING ANYTHING. ADJUSTMENT
    IS AT YOUR OWN RISK AND I TAKE NO RESPONSIBILITY FOR ANY DAMAGE YOU
    INFICT ON YOUR SET ARISING FROM THESE INSTRUCTIONS.

    This one refers to the PK series but will also apply to most of the
    others.
    [older models D2/D4 etc hold down "reveal" instead of "index" in the
    service menu access mode]
    ==================================================
    =====================
    PK1 service menu access:

    Bass to max
    treble to min
    hold down "index"
    press "-" (minus) on the front of the set.

    this will get you into the service menu.(it will default to 16:9 mode
    makes things a bit tricky for 4:3 geometry but it is possible)

    coloured fastext buttons on the remote navigate left to right they are:
    back/forward/adjust up/adjust down : last two might be reversed but you
    get the idea.

    "STR" saves new value: if you modify a setting and don't press this then
    the value will go back to its previous value when you move out of it.

    "N" gets you out of the service menu.

    settings are :

    H-pos (horizontal position)
    V-pos (vertical position)
    H-amp (horizontal amplitude)
    V-amp (vertical amplitude) *the one you want probably.*
    EW-amp1(EW-amplitude coarse pincushion looks like)
    EW-amp2(EW-amplitude finer/corners looks like)
    Trapez1(Trapezium comp_ suck it and see!)
    Trapez2(finer of the above suck it and see!)
    V-lin (vertical linearity)
    V-sym (vertical symmetry used with above to sort vertical linearity !)

    You can mess about with the above settings with impunity. They are all
    fairly intuitive and relate to centring , overscan , geometry ,
    linearity and are interactive with each other. However avoid going to
    extremes on any settings (you won't need to anyway) as it might kick in
    some sort of protection and collapse the picture (thin horizontal line)
    which will probably burn the tube in about three seconds flat and you
    will no longer be able to see the service
    menu to undo your error!

    The others are *these ones should not be played with*)

    DVCO (take a guess at deflection voltage cut-off/correction??) : leave
    it alone you need a PAL colour bar for it to auto adjust to. (more info
    to follow )

    Cut-off (cut-off DC leave well alone)
    Ug2 (avoid like the plague)

    Hi-light & lowlight (RGB cut-off and drive adjustments for colour temp:
    leave alone unless you have a colour analyser handy and know a thing or
    two about CIE chromaticity aims) "warm" seems close to 6500K anyway : I
    intend to check grayscale tracking properly at some point.

    Sub-brightness (pedestal black level: sets lowest point on the
    brightness control basically)

    I strongly suggest that you avoid adjusting any of the the ones above as
    they are either very vague(technical) in their purpose or have the
    possibility of damaging the set or both!

    -------------------------------------
    Some advice about adjustment.

    Write down all the original values BEFORE you start adjusting things.
    this is the only way to return to the original settings if you cock
    things up.

    Don't go to extremes on ANY setting. The settings are all interactive to
    a certain extent.Proper adjustment involves ping-ponging back and forth
    between adjustments to ensure you are not over-compensating for
    something another setting is doing. Balance remember.

    Use relevant test material (Video essentials is good but remember it may
    not be 100% for a 625/50 image: its actually pretty close on the PK1 so
    don't worry about it).

    Make sure you are looking at the relevant input type before engaging the
    service menu( on the PK it looks like one lot of settings applies to
    everything: which is actually good in a way).

    When adjusting geometry I initially center the image (H-pos V-pos) then
    take off the overscan (V-amp H-amp) so I can see the edges of the image.
    Get everything pucka geometry wise (make sure all edges are straight as
    poss and the scan is linear (no bulgy distortion). Then put on the
    overscan (H-amp V-amp equally) until things start to go out of kilter
    (and they will) readjust for optimum and then more overscan etc until
    satisfied.

    Big tip: Use a ruler and or set-square (nice big ones) do not trust your
    eyes with geometry issues.

    Take your time: the geometry alone might take some time.(the concave 4:3
    takes a bit of time to fix). You may not be able to get everything
    perfect (trust me) but you should be able to improve the bowing problems
    until its unobjectionable.

    The more accurate the 16:9 adjustments are the more accurate the 4:3 is.
    But you may still need to come out of the service mode to check those
    nasty concave sides in 4:3 and pop back in to change a setting that
    fixes it (without compromising the 16:9 mode at the same time!)
     
  2. Simon6776

    Simon6776
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    Thanks Nathan, that was really useful! I've been looking for that for ages, now my TV is set up perfectly!

    [​IMG]
     
  3. middlk

    middlk
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    How are the red, green and blue adjusted within the service menu, as mentioned above I would like to turn the green down a little
     
  4. shawkins002

    shawkins002
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    On my PD30, I turned the "Low" Green setting down using the fastext buttons to navigate and change the settings. There is a screen with High Red Green Blue values at the top and Low Red Green Blue values at the bottom. On mine, I couldn't change the high, so I changed the low, and it did improve the green levels.
     
  5. nathan_silly

    nathan_silly
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    Adjusting any ?CUT/?DRV (ie R, G or B) values will also effect the overall colour balance and greyscale level.

    If a TV has Red Push (or in Middlk case) Green Push I'm not sure how you correct it.
     
  6. Pelle

    Pelle
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    I just can´t seem to get access to the servicemenu. I´ve got the bass to max, treble to min, I press down index on the remote, and push "-" on the TV. It just won´t work. What am I doing wrong? I have a Panasonic 32PD30 by the way.
     
  7. reflectivetrev

    reflectivetrev
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    press and hold '-' on the tv then press index on remote. the instructions have it back to front.

    Does anyone know if there is a way of de-gaussing a pd30?
     
  8. nathan_silly

    nathan_silly
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    It should de-gauss upon switch on. Leave it unplugged from the wall, then switch it on. It should make a clunk (sony) or pzzzt (Panasonic) when it switches on.
     
  9. Pelle

    Pelle
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    Thanks! I had to turn down my reds a bit. Picture looks great now.
     
  10. Simon6776

    Simon6776
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    Does anyone know if returning the set to Factory Settings will also reset adjustments in the Service Menu?
     

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