Hi gopronto,

Would this be something I could build myself. I've done a few years electical engineering, and am pretty handy with the old soldering iron.

Would you be able to provide some instructions and part numbers?

Cheers, Lee

So you cannot use a mini jack from the RFX9600 to the control in port of your receiver or Bluray/DVD players?

If so that will suck for me as this is exactly what I was planning on doing, I have my equipment in custom rackshelves and dont want IR emmitters on the fronts of them. Also I have no clue how to set things up via RS-232 codes so I guess its time to read or hire it out to someone here on the forum.

I'd like to bump this up.

I've been having some real fun getting the minijack on my Denon 1909 working.

I received a Harmony 895 with RF extender and this works fine.

I've measured the output voltage at the minijack on both units.

The Harmony outputs 0.61v on the minijack
The Philips outputs 0.13v on the minijack (both high and low output modes)

I'm wondering if this could be the reason for so many devices not working with the Philips?

Would someone more technical care to comment?

Cheers, Lee

Hi,

I managed to get this working for a moment by changing to IR port 3 and normal output mode. I then tidied up my cabling, and it's now no longer working?

I'm at my wits end with this...

Lee

OK, I've managed to track what's preventing it working.

I have two devices connected by RS232 serial connectors.

Pulling the connectors from the rear of the RFX9600 and the minijack works?????

Anyone seen anything like this?

Cheers, Lee

Yes, I've seen this exact thing - just last week!

I originally had my Denon Amp & DVD player using a mono 3.5mm cable daisy-chained from an IR port (RFX9600 --> DVD --> AMP). I then wanted to move on to using serial for the Amp, but keep the DVD using the hardwired IR. I could not get the DVD to work with hardwired IR while the amp was connected to the serial port (the amp and DVD were no longer daisy-chained - only the DVD was using hardwired IR). My testing showed that unplugging the serial connection allowed the DVD to work with hardwired IR, but while plugged in it would not. I really wanted to use the serial connection for the amp so I just resolved to use an emitter on the DVD player.

This appears to be some kind of a hardware bug in the RFX9600 to me.

You're saying that with something plugged into the serial port, the IR port still puts out IR (an emitter works when plugged in there), but if you remove the emitter and hard wire it to the DVD it does not work?

It sounds like there is some sort of voltage/current problem with the IR port on the RFX in that it puts out enough to drive a standard emitter but not enough to drive the DVD's hard wired Interface when the serial port is in use.

Exactly!


Yes, as odd as it seems, this does seem to be the case.

Hi,

Yes, that's exactly what's happening. Standard IR emitters are fine in conjunction with the RS232 cables in place. When using minijack 3.5mm direct cables, they don't function.

I've e-mailed Pronto support, but could someone with a bit more weight than me report the problem.

This explains why people have had to use the IR emitters from the RFX9600 into 3rd party receivers then onto the minijack ports of devices.

Glad to have bottomed this one out. It really was driving me crazy!

Cheers, Lee

This is somthing you can try does not always work.

Get a 1/4w 100 ohm resister and put it in the negative side (ring) of the 3.5mm to 3.5mm lead, some time this is enough to of set the ov levels...

Hi gopronto,

I've just ordered some of those resistors from ebay. Do I just install them in line on the ring cable, and are they polarity sensitive?

Do you have any contacts at Philips to raise this issue with them?

Surely we shouldn't have to mess about to this level to get minijack cables working!

Cheers, Lee

Resistors are not polarity sensitive onlY LED'S and electrolytic capacitors are

Wow, resistors from ebay? Guess I am spoiled. I just go to Radio shack and pay less than $1 USD for 5 of them.

The resistors are not polarity sensitive, and its the manufactures of the equipment who need to sort out there 0v and grounding ,or make the IR inputs opto isolated, so there is no conflict between 0V and Ground (earth) which are not the same.

The trouble is the "D' shell is connected to ground on the rs232 lead,which may not be the same DC level as pin 5 (0v), now at some point the ov on the IR lead gets connected to the Ground and that is when all the troubles start :)

The 100 ohm resister is to get around the DC offset , this does not always work but its worth a try as it is a very cheap solution..

Hi Lyndel,

I don't think I was robbed...

[Link: cgi.ebay.co.uk]

Hi gopronto,

Thanks for the info. I'll give it a try when they arrive and let you know if it sorts the problem.

I'm guessing by your response, that this isn't something that Philips can fix with a firmware update, as it's a phyiscal issue with the hardware.

Cheers, Lee