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Problems with VX Sensor on Lintronic -238

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MJBeo
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MJBeo posted on Wed, Jul 2 2014 3:33 PM

Hi, I have a Lintronic -238 (software 5.1), and I would like to connect a IR eye to it. I have a complete MCL system, so I do not want to add a 'modern' round eye (TT-IR-8087030) to my setup.

I already have a VX sensor with 3,5mm plug, and going through all the old forum posts tells me it should work with Lintronic, just as it works with PC2. However, when I connect it to Lintronic, the light blinks on the VX sensor when I press the beo4, but the commands are not transferred to the -238 (the led on the -238 does not respond).

- Can someone confirm that the PC2 and the Lintronic work with the VX sensor, and that the VX sensor and the TT-IR-8087030 have the same plug and wiring?

- How do I check if my sensor works? It seems to be with the original plug, but perhaps I should check if it is still in one piece.

- Do I need to "program" it to an option? (I would think not, but I read something like this in old post when someone tried to successfully repurpose a MCL receiver to work with Beolink Passive).

Thanks in advance.

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

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hfat
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Hi MJBeo,

I once used a MCL Sensor with the Lintronic box. It worked but had limited sources it could decode. So I do not use it anymore.

here the sensor....

hfat


hfat
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and here is the soldering of the plug....


RaMaBo
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Hi,

the VX Sensor is just an IR receiver and should work like the round B&O sensor. The VX sensor can't be programmed to an option. I have a VX sensor connected to a BeoMedia 1 which works fine.

If your VX blinks when receiving IR commands it shows that at least 2 of the 3 wires are connected in the right way. So the third has to be correct too, there's no other possibility Smile

Maybe the wire carrying the received data is broken or the solder joint at the plug is broken. Also make sure that the plug is firmly pushed into the jack at the Lintronic box.

 

Ralph-Marcus

MJBeo
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MJBeo replied on Tue, Jul 8 2014 9:23 AM

Hi hfat,

Thanks for the pics. What were the limitations?

cheers

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

MJBeo
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MJBeo replied on Tue, Jul 8 2014 9:28 AM

RaMaBo:

The VX sensor can't be programmed to an option. 

Thanks for the info. However, when I use LINK-2-STORE, the VX sensor LED gives a "long" blink, as if it understands my intentions ;-). This does not work with SOUND-2-STORE e.g., so from that behavior I thought it was working... Can it be that it is not a VX sensor after all, but just looks like one??

I will try soldering the plug again, or hooking it up to a different unit, e.g. beoport.

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

RaMaBo
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Hi,

 

MJBeo:

Thanks for the info. However, when I use LINK-2-STORE, the VX sensor LED gives a "long" blink, as if it understands my intentions ;-). This does not work with SOUND-2-STORE e.g., so from that behavior I thought it was working... Can it be that it is not a VX sensor after all, but just looks like one??

 

If your sensor looks like the first pic from hfat you have a MCL Transmitter, which could be programmed. There are the words TIMER and MUTE printed on the front.

If your VX sensor looks like this pic from beocentral it is a VX sensor..

I'll try the reaction of my VX sensor tonight and report whether it reacts to a 'LINK 2 STORE' or not.

Ralph-Marcus

hfat
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hfat replied on Wed, Jul 9 2014 7:09 AM

MJBeo:

Hi hfat,

Thanks for the pics. What were the limitations?

cheers

I don't remember exactly, which ones, but i some source commands I wanted to use were not recognized.

MJBeo
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MJBeo replied on Wed, Jul 9 2014 9:39 AM

So yesterday I tried my VX sensor on a Beolink PC2, after I checked the wiring. Everything works fine, so I it can mean that I need to solder a new 3,5 mm plug on the sensor, since the original one looks ancient. Or I can use a MCL transceiver (thanks for the wiring!), or my Lintronic IR-port has gone south.

Thanks for your help!

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

RaMaBo
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RaMaBo:

I'll try the reaction of my VX sensor tonight and report whether it reacts to a 'LINK 2 STORE' or not.

 

Tried 'LINK x STORE' with x running from 1 to 6. Every time  the VX sensor connected to BeoMedia 1 reacted like you wrote, a long blinking in contrast to a short one for 'PLAY' ( =GO on Beo4) for example.

 

Ralph-Marcus

MJBeo
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MJBeo replied on Mon, Jan 19 2015 4:17 PM

hfat:

and here is the soldering of the plug....

Sorry for bothering in this old thread but I have not yet been able to solve the problem of the soldering, to enable the use of a VX sensor or MCL transceiver on Lintronic. For the background information: I found out that the VX sensor and the MCL transceiver are almost identical inside, with the difference that the VX sensor only has three wires, and the MCL transceiver has 5 (also 2 for 2-way communication).

The problem that I have is the following:

When I connect the green (5V) and the brown (ground) to the 3,5 mm input plug, there is indeed power going towards the transceiver/sensor. That means that the light blinks when I press a command on the beo4. In the attached picture you can see that I have this connected, and the power is continuously on, as indicated by the LED on the breadboard. The same is true for the MCL transceiver. So far so good. However, connecting the white "data" line to the last left plug on the 3,5 plug does not result in any commandos being transferred to the Lintronic.

I know that my lintronic is capable of receiving commands from the input, because I connected it to the V.MEM start of the BV7 (Pin 8 for data, Pin 21 for ground), which worked fine. I also connected the data and ground wires directly from the MCL, and that worked also fine (for Audio commands only of course).

So, maybe I do not understand the electronics properly, but why is the ground + data not enough for the signal to be transferred?

Or is there a difference between the wiring of the round, 5-pin IR eye and the old MCL eye in terms of wiring?

If any of you have an idea, or a link to a previous attempt ;-). Thanks!

 

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

MJBeo
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MJBeo replied on Mon, Jan 19 2015 4:22 PM

MJBeo:
That means that the light blinks when I press a command on the beo4. In the attached picture you can see that I have this connected, and the power is continuously on, as indicated by the LED on the breadboard.

(upload did not work, kept uploading)

 

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

MJBeo
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MJBeo replied on Mon, Jan 19 2015 4:26 PM

 

 

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

RaMaBo
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RaMaBo replied on Mon, Jan 19 2015 10:51 PM

Hi,

 

what makes me wonder is that your LED is still working when it's connected as you wrote: LED between ground and 5V and no current limiting resistor in series with the LED. Surprise

The pinout of the Lintronic IR Input is as follows:

 

This is the same pinout as the second pic of hfat he posted before and also the pinout of my VX-Sensor.

If you connect the white wire to the 3,5 mm connector and don't receive a signal at your Lintronic Box maybe the white cable is damaged or not properly connected in the VX Sensor?

Ground and data is enough to transmit the signal to the Lintronic box as long as you supply also Ground and +5V to the VX Sensor. With your breadboard you proved at least that the VX Sensor gets power and can react to received signals. So i would recommend that you check the continouity of the white wire.

 

Ralph-Marcus

MJBeo
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MJBeo replied on Tue, Jan 20 2015 8:18 AM

RaMaBo:
Ground and data is enough to transmit the signal to the Lintronic box as long as you supply also Ground and +5V to the VX Sensor.

Hi RaMaBo,

Is the ground for the data signal in that case the same as the ground for the 5V? Because I only have three wires, and only three pins on the Jack.

I also tried connecting the 5 pin Sensor from my BM5500, which has green, white, brown and a shield. I connected the brown and the shield, but nothing seems to work. Thus so far I have tested VX sensor, BM sensor and two MCL transceivers. But I also dove into this forum's history and found several posts that state that the internal electronics of a MCL transceiver are not the same as a modern puck eye. Is that the problem here?

RaMaBo:
what makes me wonder is that your LED is still working when it's connected as you wrote: LED between ground and 5V and no current limiting resistor in series with the LED. Surprise

Even if I do not connect anything to the input jack of the intronic, the LED will continuously work. So there is constant output voltage. I did see that the LED's brightness decreased when I connected the B sensor in parallel with the LED.

Beosystem 5500 + RL60.2 / RL35    BV7-32 MKIII + Raspberry Pi3 + Lintronic -238 + MCL2P & CX50 / Cona     4 link rooms with MCL2 A / MCL2 A/V + MCL2P  + CX100 / CX50 / S45.2 / Grundig 210a     Various Vintage restore objects

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