Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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b
 
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Default ITT televison with 6 pin DIN connector need pinout

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,:

http://freespace.virgin.net/matt.wai...e/av/din6a.htm

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

any ideas?
thanks
Ben
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Bianca
 
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b schreef in berichtnieuws
...
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,:

http://freespace.virgin.net/matt.wai...e/av/din6a.htm

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

any ideas?
thanks
Ben


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.
100mA)
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...



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b
 
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Geo wrote in message . ..
On 2 Oct 2004 14:26:46 -0700, (b) wrote:

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,:

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



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
rear.

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
sockets
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
pinout.

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
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Lionel
 
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Kibo informs me that (b) stated that:

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,:

http://freespace.virgin.net/matt.wai...e/av/din6a.htm

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

any ideas?


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.

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------


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b
 
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Lionel wrote in message . ..
Kibo informs me that (b) stated that:

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,:

http://freespace.virgin.net/matt.wai...e/av/din6a.htm

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

any ideas?


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.


OK:
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*:

http://freespace.virgin.net/matt.wai...e/av/din6a.htm

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
lead:

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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