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ITT televison with 6 pin DIN connector need pinout

Discussion in 'Electronic Repair' started by b, Oct 2, 2004.

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  1. b

    b Guest

    This is an old set with a DIN 6 pin socket for the AV input position,
    anybody know the pinout? I have checked the net and found various sets
    of pinouts for the likes of grundig,:

    but these don't work. neither do the DIN to 4 phono adaptors.

    any ideas?
  2. Bianca

    Bianca Guest

    It need some voltage to switch to AV modus, did you tried that also?

    hardware @dl #0 6-Pin-DIN-AV AV 6pol. DIN ------------ u 1 5 2 6 4 3 ___
    1 - +12V Schaltspannung über Schutzdiode von der Signalquelle = PTT (max.
    2 - Video Eingang/Ausgang 1V an 75 Ohm
    3 - Masse
    4 - Audio Eingang/Ausgang links 260mV eff, Eingangswiderstand > 500 kOhm ___
    5 - +12V über Diode "READY for INPUT" = SQL (max. 200mA, u.U. nicht oder mit
    Dauerplus beschaltet)
    6 - Audio Eingang/Ausgang rechts 260mV eff, Eingangswiderstand > 500 kOhm
    (bei Mono nicht beschaltet)

    Seems the site has correct information on the DIN socket...
  3. Geo

    Geo Guest

    Model number?
    Our "old" ITT set has a 5 pin din (on the front) but it is only for headphones.

  4. b

    b Guest

    Thanks you all for the responses.

    Its is an ITT ideal Color 3725, chassis is compact 80 DST as far as I
    know, mid 1980s vintage. On the front it has a 1/4" jack socket for
    head phones and a 5 pin DIN for audio output. The aerial and AV are at

    After various experiments inside the set, I have found that the AV
    socket here really does not seem like the Grundig /standard pinout I
    found earlier.
    Pins 2 and 6 are wired together on the pcb and shorting pins 1 and 5
    did not bring about AV switching.
    ......No wonder everyone now uses SCART!

    Now...using a commercially-available adaptor 6 pin DIN plug to 4 phono
    I discovered that the centre pin of the red phono socket, when shorted
    to centre pin of the white phono socket, passed the 12v and switched
    the set to AV.
    The other two phonos (yell.+ black) were audio in and video in. The
    set worked fine with this setup.

    So now all I'll have to do is trace the signals back from the phonos
    to the pcb in the set with a multimenter to determine the exact

    Since it is a nice big size (28") in good condition , I'd like to see
    it being put to use with a DVD instead of being dumped. Round here,
    people are leaving working sets out for the refuse collection if they
    have no AV inputs these days.
    regards, Ben
  5. Lionel

    Lionel Guest

    Kibo informs me that (b) stated that:
    My usual method: Draw a diagram of the socket on a piece of paper to log
    your findings. Use your multimeter/continuity-beeper to determine the
    ground pins, use a scope to determine the composite-video/audio output
    pins, inject video or audio via a resistor (100 ohms or so) into the
    remaining pins to identify them.
  6. b

    b Guest

    when experienting initially i inserted a small switch between pins 1
    and 5 to attempt to get the set to AV.

    After checking again, I found that the damn thing was actually FAULTY!
    hence no 12v switching goin' on........ Anyway that problem is solved.
    here is the pinout in case anyone else needs it.

    Using *just* the diagram from this link, *ignoring everything else on
    the page*:

    The pinout I have found is as follows. In brackets are the references
    to the commercially available 6pin DIN plug to 4 phono socket adaptor

    1 AV select (white phono socket centre pin)
    2 Audio in (Yellow phono)
    3 Gnd
    4 video in (black phono)
    5 12v switching (red phono centre pin)
    6 as pin 2

    regards, Ben
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