tip needed to replace door phone

cluglue · 22 Oct 2014

Hi..

I'd like a buying suggestion a simple phone with a buzzer I can mute. To replace this:

Bitronvideo FT&A
View media item 84329
This is the "old" entryphone electronics, I think, in the communal area, which might affect what i can install in my flat ?
View media item 84330

sparkymarka · 22 Oct 2014

Toggle switch in line with C7 call wire ? As a mute button

cluglue · 22 Oct 2014

sparkymarka said:
Toggle switch in line with C7 call wire ? As a mute button

can you say in plain english please. i know what a toggle switch is, I think (like a light switch). but what is a C7 call wire? i guess the wire you see next to the phone handset.

Can a normal electrician do that?

OwainDIYer · 22 Oct 2014

There are several Bitron AV1407 phones with very similar appearance but different wiring systems. Can you open the phone and check the exact model number and see if it's one of the ones listed here:

http://www.intercomsrus.com/intercom_handset_finder_tool.htm

cluglue · 23 Oct 2014

thanks. how do i take the front off? pry it with a flathead screwdriver i guess.

OwainDIYer · 23 Oct 2014

Yes, the cover hooks on at the top and then snaps into catches at the bottom left and right.

The C7 call wire is the individual wire going to the C7 terminal inside the phone - if it's a 4+1 wiring system; it might not be which is why you need to check. If it is, you'd remove that wire, take it to a switch, then from the other teminal of the switch to the C7 terminal. When the switch is open the call buzzer will be disconnected.

cluglue · 23 Oct 2014

i hope this means more to you than it does to me

View media item 84380
i would like to replace it with something that makes a tune (rather than the loud, crude buzz). people cause my flat to vibrate, especially delivery people, by buzzing agressively!

update. I found it in the list... about a quarter of the way down the page
It's the BITRON AV 1407 / 010 T-LINE UNIVERSAL (Grothe HT-623)
http://www.intercomsrus.com/handset...versal T-Line Intercom Handset Data Sheet.pdf

OwainDIYer · 23 Oct 2014

If it's definately that one then see the pictures between pages 5 and 6 at
http://www.intercomsrus.com/handset...versal T-Line Intercom Handset Data Sheet.pdf

and move JPA6 from R to E (i.e. so that it shorts the centre pin and pin E instead of the centre pin and pin 3) that should give you a warble rather than a buzz.

If you want to turn it off completely then put a switch in series with the wire to terminal APP

cluglue · 24 Oct 2014

Is JPA6 a cable/ wire?

OwainDIYer · 24 Oct 2014

JPA6 is a pin connector on the circuit board

View media item 84420
It will look similar to

You pull the little plug off the pins and reposition it.

cluglue · 24 Oct 2014

Thanks for explaining.
Umm, since I took the plastic off and put it back, the entry button no longer works. Any ideas.

OwainDIYer · 24 Oct 2014

cluglue said:
Thanks for explaining.
Umm, since I took the plastic off and put it back, the entry button no longer works. Any ideas.

- You dislodged the plastic bit that fits over the switch on the door opening button
- you dislodged the link wire between 6 and OP
- you dislodged the wire from the front door which goes into the other OP terminal

sparkymarka · 24 Oct 2014

Cat 5 or bt wire possibly broken at screw terminals . That's solid core for you !

cluglue · 26 Oct 2014

Thank you all so much so far. The entry button was out of alignment. I would not have been able to fix this 6 year long issue without you folks!

Now I changed a pin position.. might be the wrong one since the door bell is now silent.. here is a before and after picture, what I did:

Before:
View media item 84483

After:
View media item 84484

cluglue · 26 Oct 2014

I'm going to put it back.

There is no JP6. Look at the pic i posted.
This is more clear:
View media item 84489

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tip needed to replace door phone

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