New Railway Modellers Forums

Just bought a second hand Heljan circuit board and am going to adapt it to fit a straight DC loco without the 8 pin option fitted. I have done it before to these particular locos without difficulty using Digitrax so I know it will all work ok. Only problem, two actually. Anybody got a wiring diagram...

There are 3 powered points operated by the signal box and a total of 9 signals in the area If that is a loco depot you are modelling, and thats what it looks like, then the Signalman would have no interest in movements about the yard. His sole interest would be getting engines onto or off the runni...

raistlin295 wrote:Why hold back from answering though?

My background was in operations rather than P/Way or S and T things and there are people out there who know a whole lot more about it than me !

I was holding back from replying so here goes. Troughing is buried, where possible, so that only the top, liftable lid, is visible. If it is is on a walking route or an area where prople move around it shouldn't be above lid height because it becomes a trip hazard. Lineside, away from walking routes...

As there haven't been any other replies I would say this is possibly correct. The discs on the front of Southern locos were used as route indicators for the Signalman rather than to indicate the class of train as used elsewhere. I used to see Southern locos at Oxford when they arrived from off the S...

Ah yes, typical of the man, the 'can do' rather than 'the don't want to.'

Chiltern Trains - For spending time, effort and money in getting it done properly. And especially the recently retired Adrian Shooter, the last of the old time 'worked his way up from bottom' Management Trainees. A railwayman to his toecaps who has probably forgotten more about the industry than ma...

Its fixed !!! Don't know what I did, and I am not going to delve to deeply to find out, but I now have a very low level of hum, more of a slight hiss, excellent control of the volume and good clear sound. The amplifier appears to have been the problem. I was fiddling with it this afternoon and had t...

Right here is a photo of the sound unit. I got a wiring diagram from Dietz, unfortunately neither looked exactly as per the photo. http://farm8.staticflickr.com/7149/6710450809_870b8ace09_z.jpg The black piece outside the box on the left is the amplifier with the two groups of two wires coming in on...

Have you tried it with the sound unit connected to just a battery? The speaker will hum if connected to a transformer or controller as they will use unsmoothed DC. Tried that last night as well and the hum continues. Tried another speaker to test the speaker, same noise. Seems to me like there's so...

The moment I sent that last message I had some inspiration and disconnected the speakers from the unit and connected it direct to my Trix controller*. Switched on, large humming sound so it looks like the speaker might have had it. Second opinion anybody? * bought in 1966 and still going well when B...

As the loco is battery powered, firstly, are you testing it whilst still attached to the battery charger? No, I was using a very old 12v Trix transformer and just connecting the input/output to the PCB to test it as I went along. Bearing in mind the noise was there before I did anything else there ...

Heres a little teaser re the sound system on my 5" gauge battery loco. A bit out of place on this forum I know but having a problem solving this one and looking for some help. Bought the loco, runs well, and has a Deitz sound system fitted which also works, but after a fashion. A cats cradle of...

It depends who was driving what as to what went where sometimes. Saltley Drivers (known as Seagulls) had wide traction and route knowledge and would arrive at a particular location with some traction that nobody else could drive so they sometimes went on though with a Conductor Driver which might ac...

Thanks got that now.