6-28262 from the 2007 run. The sounds coming from the engine are very crackly. I followed the advice given on another post with the same problem. I reseated the rail sounds board and it seems to have helped but not fixed it completely. Is there anything else to do?
I will include a before and after example.
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Did you reseat the PLCC chips on the sound board? They're the usual suspects. If you want to do that, it's MANDATORY that you use a PLCC Chip Puller, do NOT try to pry them out with a screwdriver or awl!
@gunrunnerjohn posted:Did you reseat the PLCC chips on the sound board? They're the usual suspects. If you want to do that, it's MANDATORY that you use a PLCC Chip Puller, do NOT try to pry them out with a screwdriver or awl!
Yes I did reseat both chips, the ones labeled RS5 and Western Pacific Heritage. I saw your comment on another post and I ordered a PLCC chip puller from Amazon and used it. Like I said, it seems to have helped but not fixed it completely. There was a white substance underneath the RS5 chip. My father mentioned baking soda might get rid of any rust, but I thought I would check here first before I did anything else.
OK, if you reseated the chips, I'd remove then again and use something like Deoxit-D5 on the pins. Also, check the sockets carefully, sometimes they crack at the corners. If so, that will be a problem. It's sometimes possible to glue them using CA Adhesive and then JB-Weld to add strength. I also do have some RS5 boards that you could swap the chips into if the sockets are a problem.
Also, try a different speaker and make sure you clean the volume control with some contact cleaner spray.
@gunrunnerjohn posted:Also, try a different speaker and make sure you clean the volume control with some contact cleaner spray.
When you say a different speaker, you’re talking about swapping the rail sounds board on another engine right? I can do that, but I don’t have another standalone speaker.
Well, you can just pop the board into another RS4 or RS5 equipped locomotive and see if the sounds are good. If they are, my top suspects would be the volume control first, and the speaker second.
Easy enough. I can do that.
@gunrunnerjohn posted:Well, you can just pop the board into another RS4 or RS5 equipped locomotive and see if the sounds are good. If they are, my top suspects would be the volume control first, and the speaker second.
What are the differences between the two chips on the rail sounds board? I know one of them is labeled RS5, and the other is unique to the engine, since it is labeled western pacific. Does different audio come from each chip? Such as the horn/bell, diesel sounds, and road specific dialogue?
The chips are paired. The small one labeled with the engine or sound ID is the sound files, the large one is the processor. However, you can't freely mix/match the processor and sound chips, so keep the pairs together for best results.
I tried the Western Pacific board on the Missouri Pacific engine and could not get any sounds. I then tried the Missouri Pacific board on the western pacific, and it worked. Finally, I put everything back the way it belonged and tried turning down the volume on the western Pacific engine. The crackling went away at lower volumes, but came back when increased again.
did you check the speaker?
@Dave Koehler posted:did you check the speaker?
How do I check the speaker? Unscrew it from the frame and use a different one from a different engine?
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